!17 fix：更正 int 与 long 操作数的比较跳转前缀

Merge pull request !17 from Luke/bugfix/compare-prefix-int-long

.run/Demo10.run.xml

@@ -0,0 +1,17 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="Demo10" type="Application" factoryName="Application" folderName="Demo" activateToolWindowBeforeRun="false">
+    <option name="ALTERNATIVE_JRE_PATH" value="graalvm-ce-23" />
+    <option name="MAIN_CLASS_NAME" value="org.jcnc.snow.cli.SnowCLI" />
+    <module name="Snow" />
+    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo10" />
+    <extension name="coverage">
+      <pattern>
+        <option name="PATTERN" value="org.jcnc.snow.compiler.parser.preprocessor.lexer.impl.api.*" />
+        <option name="ENABLED" value="true" />
+      </pattern>
+    </extension>
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>

.run/Demo9.run.xml

@@ -0,0 +1,17 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="Demo9" type="Application" factoryName="Application" folderName="Demo" activateToolWindowBeforeRun="false">
+    <option name="ALTERNATIVE_JRE_PATH" value="graalvm-ce-23" />
+    <option name="MAIN_CLASS_NAME" value="org.jcnc.snow.cli.SnowCLI" />
+    <module name="Snow" />
+    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo9" />
+    <extension name="coverage">
+      <pattern>
+        <option name="PATTERN" value="org.jcnc.snow.compiler.parser.preprocessor.lexer.impl.api.*" />
+        <option name="ENABLED" value="true" />
+      </pattern>
+    </extension>
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>

playground/Demo10/Main.snow

@@ -0,0 +1,10 @@
+function: main
+    return_type: int
+    body:
+        declare res: boolean = 8L > 7L
+        if res then
+            return 131
+        end if
+        return 65537
+    end body
+end function

playground/Demo9/Main.snow

@@ -0,0 +1,31 @@
+module: Math
+    function: main
+        parameter:
+        return_type: int
+        body:
+            Math.factorial(6)
+            return 0
+        end body
+    end function
+
+    function: factorial
+        parameter:
+            declare n:int
+        return_type: int
+        body:
+            declare num1:int = 1
+            loop:
+                initializer:
+                    declare counter:int = 1
+                condition:
+                    counter <= n
+                update:
+                    counter = counter + 1
+                body:
+                    num1 = num1 * counter
+                end body
+            end loop
+            return num1
+        end body
+    end function
+end module

src/main/java/org/jcnc/snow/compiler/backend/generator/BinaryOpGenerator.java

@@ -2,8 +2,8 @@ package org.jcnc.snow.compiler.backend.generator;
 
 import org.jcnc.snow.compiler.backend.builder.VMProgramBuilder;
 import org.jcnc.snow.compiler.backend.core.InstructionGenerator;
-import org.jcnc.snow.compiler.backend.util.IROpCodeMapper;
+import org.jcnc.snow.compiler.backend.utils.IROpCodeMapper;
-import org.jcnc.snow.compiler.backend.util.OpHelper;
+import org.jcnc.snow.compiler.backend.utils.OpHelper;
 import org.jcnc.snow.compiler.ir.core.IRValue;
 import org.jcnc.snow.compiler.ir.instruction.BinaryOperationInstruction;
 import org.jcnc.snow.compiler.ir.value.IRConstant;

src/main/java/org/jcnc/snow/compiler/backend/generator/CallGenerator.java

@@ -2,7 +2,7 @@ package org.jcnc.snow.compiler.backend.generator;
 
 import org.jcnc.snow.compiler.backend.builder.VMProgramBuilder;
 import org.jcnc.snow.compiler.backend.core.InstructionGenerator;
-import org.jcnc.snow.compiler.backend.util.OpHelper;
+import org.jcnc.snow.compiler.backend.utils.OpHelper;
 import org.jcnc.snow.compiler.ir.instruction.CallInstruction;
 import org.jcnc.snow.compiler.ir.value.IRVirtualRegister;
 

src/main/java/org/jcnc/snow/compiler/backend/generator/CmpJumpGenerator.java

@@ -1,7 +1,7 @@
 package org.jcnc.snow.compiler.backend.generator;
 
-import org.jcnc.snow.compiler.backend.util.IROpCodeMapper;
+import org.jcnc.snow.compiler.backend.utils.IROpCodeMapper;
-import org.jcnc.snow.compiler.backend.util.OpHelper;
+import org.jcnc.snow.compiler.backend.utils.OpHelper;
 import org.jcnc.snow.compiler.backend.builder.VMProgramBuilder;
 import org.jcnc.snow.compiler.backend.core.InstructionGenerator;
 import org.jcnc.snow.compiler.ir.instruction.IRCompareJumpInstruction;
@@ -10,18 +10,26 @@ import org.jcnc.snow.compiler.ir.value.IRVirtualRegister;
 import java.util.Map;
 
 /**
- * 条件比较跳转指令生成器
+ * <b>条件比较跳转指令生成器</b>
  * <p>
- * 该类实现了 {@link InstructionGenerator} 接口，用于将 IR 中的条件比较跳转指令
+ * 该类实现了 {@link InstructionGenerator} 接口，
- * 转换为虚拟机可执行的指令序列。主要流程是先将比较操作数加载到虚拟机栈中，生成比较操作码，
+ * 负责将 IR 中的 {@link IRCompareJumpInstruction}（条件比较并跳转指令）
- * 并发出跳转到目标标签的指令。
+ * 转换为目标虚拟机（VM）可执行的指令序列。
+ * </p>
+ *
+ * <b>主要功能</b>
+ * <ul>
+ *     <li>根据 IR 比较指令左右操作数的类型，自动进行类型提升与转换</li>
+ *     <li>生成相应的 VM 加载、类型转换、比较与跳转指令</li>
+ *     <li>保证指令的类型前缀与操作数类型一致，提升兼容性与正确性</li>
+ * </ul>
  */
 public class CmpJumpGenerator implements InstructionGenerator<IRCompareJumpInstruction> {
 
     /**
-     * 返回该生成器所支持的指令类型。
+     * 返回本生成器支持的 IR 指令类型。
      *
-     * @return {@link IRCompareJumpInstruction} 的类对象
+     * @return IRCompareJumpInstruction 的类对象
      */
     @Override
     public Class<IRCompareJumpInstruction> supportedClass() {
@@ -29,7 +37,19 @@ public class CmpJumpGenerator implements InstructionGenerator<IRCompareJumpInstr
     }
 
     /**
-     * 类型优先级：D &gt; F &gt; L &gt; I &gt; S &gt; B
+     * <b>类型宽度优先级</b>：D > F > L > I > S > B
+     * <ul>
+     *     <li>D（double）：6</li>
+     *     <li>F（float）：5</li>
+     *     <li>L（long）：4</li>
+     *     <li>I（int）：3</li>
+     *     <li>S（short）：2</li>
+     *     <li>B（byte）：1</li>
+     *     <li>未识别类型：0</li>
+     * </ul>
+     *
+     * @param p 类型标记字符
+     * @return 优先级数值（越大类型越宽）
      */
     private static int rank(char p) {
         return switch (p) {
@@ -39,27 +59,40 @@ public class CmpJumpGenerator implements InstructionGenerator<IRCompareJumpInstr
             case 'I' -> 3;
             case 'S' -> 2;
             case 'B' -> 1;
-            default -> 0;
+            default  -> 0;
         };
     }
 
     /**
-     * 返回优先级更高的类型字符
+     * 返回更“宽”的公共类型（即优先级高的类型）。
+     *
+     * @param a 类型标记字符 1
+     * @param b 类型标记字符 2
+     * @return 宽度更高的类型标记字符
      */
     private static char promote(char a, char b) {
         return rank(a) >= rank(b) ? a : b;
     }
 
     /**
-     * 单字符转字符串
+     * 单字符类型标记转字符串。
+     *
+     * @param p 类型标记字符
+     * @return 类型字符串
      */
     private static String str(char p) {
         return String.valueOf(p);
     }
 
     /**
-     * 获取从类型 {@code from} 到 {@code to} 的转换指令名。
+     * 获取 {@code from → to} 的类型转换指令名（如不需转换则返回 {@code null}）。
-     * 相同类型或无显式转换需求返回 {@code null}。
+     * <p>
+     * 仅覆盖目前常见的整数与浮点类型提升与转换，后续有新类型可补充。
+     * </p>
+     *
+     * @param from 源类型标记字符
+     * @param to   目标类型标记字符
+     * @return 转换指令名，如“L2I”；无转换返回 {@code null}
      */
     private static String convert(char from, char to) {
         if (from == to) return null;
@@ -78,46 +111,64 @@ public class CmpJumpGenerator implements InstructionGenerator<IRCompareJumpInstr
             case "DF" -> "D2F";
             case "SI" -> "S2I";
             case "BI" -> "B2I";
-            default -> null;
+            default   -> null;
         };
     }
 
     /**
-     * 生成条件比较跳转相关的虚拟机指令。
+     * 生成 IR 条件比较跳转指令的 VM 指令序列。
+     * <ol>
+     *     <li>确定左右操作数的槽位及静态类型</li>
+     *     <li>加载并按需类型提升转换</li>
+     *     <li>根据公共类型调整比较指令前缀</li>
+     *     <li>发出最终比较和跳转指令</li>
+     * </ol>
      *
-     * @param ins        需要生成的条件比较跳转中间指令（IR）
+     * @param ins       IR 条件比较跳转指令
-     * @param out        虚拟机程序构建器，用于输出生成的指令
+     * @param out       VMProgramBuilder：用于发出 VM 指令
-     * @param slotMap    虚拟寄存器到实际槽（slot）编号的映射表
+     * @param slotMap   虚拟寄存器到 VM 槽位的映射表
-     * @param currentFn  当前处理的函数名（可用于调试或作用域标识）
+     * @param currentFn 当前处理的函数名（调试用，当前未使用）
      */
     @Override
-    public void generate(IRCompareJumpInstruction ins,
+    public void generate(IRCompareJumpInstruction  ins,
-                         VMProgramBuilder out,
+                         VMProgramBuilder          out,
-                         Map<IRVirtualRegister, Integer> slotMap,
+                         Map<IRVirtualRegister,Integer> slotMap,
-                         String currentFn) {
+                         String                    currentFn) {
-        // 获取左操作数所在的寄存器槽编号
-        int leftSlot = slotMap.get(ins.left());
-        // 获取右操作数所在的寄存器槽编号
-        int rightSlot = slotMap.get(ins.right());
 
-        char lType = out.getSlotType(leftSlot); // 未登记默认 'I'
+        // 1. 获取左右操作数的槽位与静态类型
-        char rType = out.getSlotType(rightSlot);
+        int  leftSlot  = slotMap.get(ins.left());
+        int  rightSlot = slotMap.get(ins.right());
+        char lType     = out.getSlotType(leftSlot);   // 若未登记则默认 'I'
+        char rType     = out.getSlotType(rightSlot);
+        char tType     = promote(lType, rType);        // 公共类型提升
 
-        char tType = promote(lType, rType); // 类型提升结果
+        // 2. 加载左右操作数并按需类型转换
-
+        // 左操作数
-        // 加载左操作数到虚拟机栈
         out.emit(OpHelper.opcode(str(lType) + "_LOAD") + " " + leftSlot);
         String cvt = convert(lType, tType);
-        if (cvt != null) out.emit(OpHelper.opcode(cvt));
+        if (cvt != null) {
+            out.emit(OpHelper.opcode(cvt));
+        }
 
-        // 加载右操作数到虚拟机栈
+        // 右操作数
         out.emit(OpHelper.opcode(str(rType) + "_LOAD") + " " + rightSlot);
         cvt = convert(rType, tType);
-        if (cvt != null) out.emit(OpHelper.opcode(cvt));
+        if (cvt != null) {
+            out.emit(OpHelper.opcode(cvt));
+        }
 
-        // 获取与当前比较操作对应的虚拟机操作码
+        // 3. 选择正确的比较指令前缀
         String cmpOp = IROpCodeMapper.toVMOp(ins.op());
-        // 生成分支跳转指令，如果比较成立则跳转到目标标签
+        /*
+         * 指令前缀（如 int 类型要用 IC_*, long 类型要用 LC_*）
+         */
+        if (tType == 'I' && cmpOp.startsWith("LC_")) {
+            cmpOp = "IC_" + cmpOp.substring(3);
+        } else if (tType == 'L' && cmpOp.startsWith("IC_")) {
+            cmpOp = "LC_" + cmpOp.substring(3);
+        }
+
+        // 4. 发出比较与跳转指令
         out.emitBranch(OpHelper.opcode(cmpOp), ins.label());
     }
 }

src/main/java/org/jcnc/snow/compiler/backend/generator/JumpGenerator.java

@@ -1,6 +1,6 @@
 package org.jcnc.snow.compiler.backend.generator;
 
-import org.jcnc.snow.compiler.backend.util.OpHelper;
+import org.jcnc.snow.compiler.backend.utils.OpHelper;
 import org.jcnc.snow.compiler.backend.builder.VMProgramBuilder;
 import org.jcnc.snow.compiler.backend.core.InstructionGenerator;
 import org.jcnc.snow.compiler.ir.instruction.IRJumpInstruction;

src/main/java/org/jcnc/snow/compiler/backend/generator/LoadConstGenerator.java

@@ -2,7 +2,7 @@ package org.jcnc.snow.compiler.backend.generator;
 
 import org.jcnc.snow.compiler.backend.builder.VMProgramBuilder;
 import org.jcnc.snow.compiler.backend.core.InstructionGenerator;
-import org.jcnc.snow.compiler.backend.util.OpHelper;
+import org.jcnc.snow.compiler.backend.utils.OpHelper;
 import org.jcnc.snow.compiler.ir.instruction.LoadConstInstruction;
 import org.jcnc.snow.compiler.ir.value.IRConstant;
 import org.jcnc.snow.compiler.ir.value.IRVirtualRegister;

src/main/java/org/jcnc/snow/compiler/backend/generator/ReturnGenerator.java

@@ -2,7 +2,7 @@ package org.jcnc.snow.compiler.backend.generator;
 
 import org.jcnc.snow.compiler.backend.builder.VMProgramBuilder;
 import org.jcnc.snow.compiler.backend.core.InstructionGenerator;
-import org.jcnc.snow.compiler.backend.util.OpHelper;
+import org.jcnc.snow.compiler.backend.utils.OpHelper;
 import org.jcnc.snow.compiler.ir.instruction.ReturnInstruction;
 import org.jcnc.snow.compiler.ir.value.IRVirtualRegister;
 

src/main/java/org/jcnc/snow/compiler/backend/generator/UnaryOpGenerator.java

@@ -1,7 +1,7 @@
 package org.jcnc.snow.compiler.backend.generator;
 
-import org.jcnc.snow.compiler.backend.util.IROpCodeMapper;
+import org.jcnc.snow.compiler.backend.utils.IROpCodeMapper;
-import org.jcnc.snow.compiler.backend.util.OpHelper;
+import org.jcnc.snow.compiler.backend.utils.OpHelper;
 import org.jcnc.snow.compiler.backend.builder.VMProgramBuilder;
 import org.jcnc.snow.compiler.backend.core.InstructionGenerator;
 import org.jcnc.snow.compiler.ir.instruction.UnaryOperationInstruction;

src/main/java/org/jcnc/snow/compiler/backend/utils/IROpCodeMapper.java

@@ -1,4 +1,4 @@
-package org.jcnc.snow.compiler.backend.util;
+package org.jcnc.snow.compiler.backend.utils;
 
 import org.jcnc.snow.compiler.ir.core.IROpCode;
 
@@ -83,12 +83,12 @@ public final class IROpCodeMapper {
 
         // 比较运算映射
         // 整形32位比较运算映射
-        opcodeMap.put(IROpCode.CMP_EQ, "IC_E");   // 相等
+        opcodeMap.put(IROpCode.CMP_IEQ, "IC_E");   // 相等
-        opcodeMap.put(IROpCode.CMP_NE, "IC_NE");   // 不等
+        opcodeMap.put(IROpCode.CMP_INE, "IC_NE");   // 不等
-        opcodeMap.put(IROpCode.CMP_LT, "IC_L");    // 小于
+        opcodeMap.put(IROpCode.CMP_ILT, "IC_L");    // 小于
-        opcodeMap.put(IROpCode.CMP_GT, "IC_G");    // 大于
+        opcodeMap.put(IROpCode.CMP_IGT, "IC_G");    // 大于
-        opcodeMap.put(IROpCode.CMP_LE, "IC_LE");   // 小于等于
+        opcodeMap.put(IROpCode.CMP_ILE, "IC_LE");   // 小于等于
-        opcodeMap.put(IROpCode.CMP_GE, "IC_GE");   // 大于等于
+        opcodeMap.put(IROpCode.CMP_IGE, "IC_GE");   // 大于等于
 
         // 整形64位比较运算映射
         opcodeMap.put(IROpCode.CMP_LEQ, "LC_E");   // 相等

src/main/java/org/jcnc/snow/compiler/backend/utils/OpHelper.java

@@ -1,4 +1,4 @@
-package org.jcnc.snow.compiler.backend.util;
+package org.jcnc.snow.compiler.backend.utils;
 
 import org.jcnc.snow.vm.engine.VMOpCode;
 

src/main/java/org/jcnc/snow/compiler/ir/builder/ExpressionBuilder.java

@@ -4,6 +4,7 @@ import org.jcnc.snow.compiler.ir.core.IROpCode;
 import org.jcnc.snow.compiler.ir.instruction.CallInstruction;
 import org.jcnc.snow.compiler.ir.instruction.LoadConstInstruction;
 import org.jcnc.snow.compiler.ir.instruction.UnaryOperationInstruction;
+import org.jcnc.snow.compiler.ir.utils.ComparisonUtils;
 import org.jcnc.snow.compiler.ir.value.IRConstant;
 import org.jcnc.snow.compiler.ir.value.IRVirtualRegister;
 import org.jcnc.snow.compiler.ir.utils.ExpressionUtils;
@@ -90,7 +91,7 @@ public record ExpressionBuilder(IRContext ctx) {
         //  !x  →  (x == 0)
         if (op.equals("!")) {
             IRVirtualRegister zero = InstructionFactory.loadConst(ctx, 0);
-            return InstructionFactory.binOp(ctx, IROpCode.CMP_EQ, val, zero);
+            return InstructionFactory.binOp(ctx, IROpCode.CMP_IEQ, val, zero);
         }
 
         throw new IllegalStateException("未知一元运算符: " + op);
@@ -137,13 +138,18 @@ public record ExpressionBuilder(IRContext ctx) {
      */
     private IRVirtualRegister buildBinary(BinaryExpressionNode bin) {
         String op = bin.operator();
-        IRVirtualRegister left = build(bin.left());
+        IRVirtualRegister left  = build(bin.left());
         IRVirtualRegister right = build(bin.right());
-        // 处理比较操作符
+
-        if (ExpressionUtils.isComparisonOperator(op)) {
+        // 1. 比较运算
-            return InstructionFactory.binOp(ctx, ExpressionUtils.cmpOp(op), left, right);
+        if (ComparisonUtils.isComparisonOperator(op)) {
+            return InstructionFactory.binOp(
+                    ctx,
+                    ComparisonUtils.cmpOp(op, bin.left(), bin.right()),
+                    left, right);
         }
-        // 处理算术运算符
+
+        // 2. 其他算术 / 逻辑运算
         IROpCode code = ExpressionUtils.resolveOpCode(op, bin.left(), bin.right());
         if (code == null) throw new IllegalStateException("不支持的运算符: " + op);
         return InstructionFactory.binOp(ctx, code, left, right);
@@ -161,8 +167,12 @@ public record ExpressionBuilder(IRContext ctx) {
         IRVirtualRegister a = build(bin.left());
         IRVirtualRegister b = build(bin.right());
         String op = bin.operator();
-        if (ExpressionUtils.isComparisonOperator(op)) {
+
-            InstructionFactory.binOpInto(ctx, ExpressionUtils.cmpOp(op), a, b, dest);
+        if (ComparisonUtils.isComparisonOperator(op)) {
+            InstructionFactory.binOpInto(
+                    ctx,
+                    ComparisonUtils.cmpOp(op, bin.left(), bin.right()),
+                    a, b, dest);
         } else {
             IROpCode code = ExpressionUtils.resolveOpCode(op, bin.left(), bin.right());
             if (code == null) throw new IllegalStateException("不支持的运算符: " + op);

src/main/java/org/jcnc/snow/compiler/ir/builder/StatementBuilder.java

@@ -1,7 +1,7 @@
 package org.jcnc.snow.compiler.ir.builder;
 
 import org.jcnc.snow.compiler.ir.core.IROpCode;
-import org.jcnc.snow.compiler.ir.utils.ExpressionUtils;
+import org.jcnc.snow.compiler.ir.utils.ComparisonUtils;
 import org.jcnc.snow.compiler.ir.utils.IROpCodeUtils;
 import org.jcnc.snow.compiler.ir.value.IRVirtualRegister;
 import org.jcnc.snow.compiler.parser.ast.*;
@@ -18,23 +18,41 @@ import java.util.Locale;
  */
 public class StatementBuilder {
 
-    /** 当前 IR 上下文，包含作用域、指令序列等信息。 */
+    /**
+     * 当前 IR 上下文，包含作用域、指令序列等信息。
+     */
     private final IRContext ctx;
-    /** 表达式 IR 构建器，用于将表达式节点转为 IR 指令。 */
+    /**
+     * 表达式 IR 构建器，用于将表达式节点转为 IR 指令。
+     */
     private final ExpressionBuilder expr;
 
     /**
      * 构造方法。
+     *
      * @param ctx IR 编译上下文环境
      */
     public StatementBuilder(IRContext ctx) {
-        this.ctx  = ctx;
+        this.ctx = ctx;
         this.expr = new ExpressionBuilder(ctx);
     }
 
+    private static char typeSuffixFromType(String type) {
+        if (type == null) return '\0';
+        return switch (type.toLowerCase(Locale.ROOT)) {
+            case "byte" -> 'b';
+            case "short" -> 's';
+            case "long" -> 'l';
+            case "float" -> 'f';
+            case "double" -> 'd';
+            default -> '\0';   // 其余默认按 32-bit 整型处理
+        };
+    }
+
     /**
      * 将一个 AST 语句节点转为 IR 指令序列。
      * 根据节点类型分发到对应的处理方法。
+     *
      * @param stmt 待转换的语句节点
      */
     public void build(StatementNode stmt) {
@@ -107,6 +125,7 @@ public class StatementBuilder {
 
     /**
      * 获取变量名对应的寄存器，不存在则声明一个新的。
+     *
      * @param name 变量名
      * @return 变量对应的虚拟寄存器
      */
@@ -121,6 +140,7 @@ public class StatementBuilder {
 
     /**
      * 批量构建一组语句节点，顺序处理每个语句。
+     *
      * @param stmts 语句节点集合
      */
     private void buildStatements(Iterable<StatementNode> stmts) {
@@ -130,12 +150,13 @@ public class StatementBuilder {
     /**
      * 构建循环语句（for/while）。
      * 处理流程：初始语句 → 条件判断 → 循环体 → 更新语句 → 跳回条件。
+     *
      * @param loop 循环节点
      */
     private void buildLoop(LoopNode loop) {
         if (loop.initializer() != null) build(loop.initializer());
         String lblStart = ctx.newLabel();
-        String lblEnd   = ctx.newLabel();
+        String lblEnd = ctx.newLabel();
         // 循环开始标签
         InstructionFactory.label(ctx, lblStart);
 
@@ -155,11 +176,12 @@ public class StatementBuilder {
     /**
      * 构建分支语句（if/else）。
      * 处理流程：条件判断 → then 分支 → else 分支（可选）。
+     *
      * @param ifNode if 语句节点
      */
     private void buildIf(IfNode ifNode) {
         String lblElse = ctx.newLabel();
-        String lblEnd  = ctx.newLabel();
+        String lblEnd = ctx.newLabel();
         // 条件不成立则跳转到 else
         emitConditionalJump(ifNode.condition(), lblElse);
 
@@ -178,35 +200,30 @@ public class StatementBuilder {
     /**
      * 条件跳转指令的生成。
      * 如果是二元比较表达式，直接使用对应比较操作码；否则等价于与 0 比较。
-     * @param cond      条件表达式
+     *
+     * @param cond       条件表达式
      * @param falseLabel 条件不成立时跳转到的标签
      */
     private void emitConditionalJump(ExpressionNode cond, String falseLabel) {
-        if (cond instanceof BinaryExpressionNode(ExpressionNode left, String operator, ExpressionNode right)
+        if (cond instanceof BinaryExpressionNode(
-                && ExpressionUtils.isComparisonOperator(operator)) {
+                ExpressionNode left,
-            // 如果是比较操作（如 ==, >, <），直接生成对应的条件跳转
+                String operator,
+                ExpressionNode right
+        )
+                && ComparisonUtils.isComparisonOperator(operator)) {
+
             IRVirtualRegister a = expr.build(left);
             IRVirtualRegister b = expr.build(right);
-            // 获取反向比较操作码
+
-            IROpCode falseOp   = IROpCodeUtils.invert(ExpressionUtils.cmpOp(operator));
+            // 使用适配后位宽正确的比较指令
+            IROpCode cmp = ComparisonUtils.cmpOp(operator, left, right);
+            IROpCode falseOp = IROpCodeUtils.invert(cmp);
+
             InstructionFactory.cmpJump(ctx, falseOp, a, b, falseLabel);
         } else {
-            // 否则将 cond 与 0 比较，相等则跳转
             IRVirtualRegister condReg = expr.build(cond);
-            IRVirtualRegister zero    = InstructionFactory.loadConst(ctx, 0);
+            IRVirtualRegister zero = InstructionFactory.loadConst(ctx, 0);
-            InstructionFactory.cmpJump(ctx, IROpCode.CMP_EQ, condReg, zero, falseLabel);
+            InstructionFactory.cmpJump(ctx, IROpCode.CMP_IEQ, condReg, zero, falseLabel);
         }
     }
-
-    private static char typeSuffixFromType(String type) {
-        if (type == null) return '\0';
-        return switch (type.toLowerCase(Locale.ROOT)) {
-            case "byte"   -> 'b';
-            case "short"  -> 's';
-            case "long"   -> 'l';
-            case "float"  -> 'f';
-            case "double" -> 'd';
-            default       -> '\0';   // 其余默认按 32-bit 整型处理
-        };
-    }
 }

src/main/java/org/jcnc/snow/compiler/ir/core/IROpCode.java

@@ -67,12 +67,12 @@ public enum IROpCode {
     NEG_D64,   // 64位浮点取负
 
     /* ───── 逻辑与比较运算指令（32位整数：int） ───── */
-    CMP_EQ,    // 32位相等比较：a == b
+    CMP_IEQ,    // 32位相等比较：a == b
-    CMP_NE,    // 32位不等比较：a != b
+    CMP_INE,    // 32位不等比较：a != b
-    CMP_LT,    // 32位小于比较：a < b
+    CMP_ILT,    // 32位小于比较：a < b
-    CMP_GT,    // 32位大于比较：a > b
+    CMP_IGT,    // 32位大于比较：a > b
-    CMP_LE,    // 32位小于等于：a <= b
+    CMP_ILE,    // 32位小于等于：a <= b
-    CMP_GE,    // 32位大于等于：a >= b
+    CMP_IGE,    // 32位大于等于：a >= b
 
     /* ───── 逻辑与比较运算指令（64位整数：long） ───── */
     CMP_LEQ,    // 64位相等比较：a == b

src/main/java/org/jcnc/snow/compiler/ir/core/IROpCodeMappings.java

@@ -9,12 +9,12 @@ public final class IROpCodeMappings {
     private IROpCodeMappings() {} // 禁止实例化
 
     // 8位整型运算符映射
-    public static final Map<String, IROpCode> OP_I8 = Map.of(
+    public static final Map<String, IROpCode> OP_B8 = Map.of(
             "+", IROpCode.ADD_B8, "-", IROpCode.SUB_B8,
             "*", IROpCode.MUL_B8, "/", IROpCode.DIV_B8
     );
     // 16位整型
-    public static final Map<String, IROpCode> OP_I16 = Map.of(
+    public static final Map<String, IROpCode> OP_S16 = Map.of(
             "+", IROpCode.ADD_S16, "-", IROpCode.SUB_S16,
             "*", IROpCode.MUL_S16, "/", IROpCode.DIV_S16
     );
@@ -38,8 +38,20 @@ public final class IROpCodeMappings {
             "+", IROpCode.ADD_D64, "-", IROpCode.SUB_D64,
             "*", IROpCode.MUL_D64, "/", IROpCode.DIV_D64
     );
-    // 比较操作符映射
+
-    public static final Map<String, IROpCode> CMP = Map.of(
+    /* ────── 比较运算符映射 ────── */
+    /** 32-bit（int）比较 */
+    public static final Map<String, IROpCode> CMP_I32 = Map.of(
+            "==", IROpCode.CMP_IEQ,
+            "!=", IROpCode.CMP_INE,
+            "<",  IROpCode.CMP_ILT,
+            ">",  IROpCode.CMP_IGT,
+            "<=", IROpCode.CMP_ILE,
+            ">=", IROpCode.CMP_IGE
+    );
+
+    /** 64-bit（long）比较 */
+    public static final Map<String, IROpCode> CMP_L64 = Map.of(
             "==", IROpCode.CMP_LEQ,
             "!=", IROpCode.CMP_LNE,
             "<",  IROpCode.CMP_LLT,
@@ -47,4 +59,6 @@ public final class IROpCodeMappings {
             "<=", IROpCode.CMP_LLE,
             ">=", IROpCode.CMP_LGE
     );
+
+    
 }

src/main/java/org/jcnc/snow/compiler/ir/utils/ComparisonUtils.java

@@ -0,0 +1,49 @@
+package org.jcnc.snow.compiler.ir.utils;
+
+import org.jcnc.snow.compiler.ir.core.IROpCode;
+import org.jcnc.snow.compiler.ir.core.IROpCodeMappings;
+import org.jcnc.snow.compiler.parser.ast.NumberLiteralNode;
+import org.jcnc.snow.compiler.parser.ast.base.ExpressionNode;
+
+import java.util.Map;
+
+/**
+ * 比较运算辅助工具：
+ * 根据左右操作数类型（目前通过字面量后缀 <code>L/l</code> 判定）选择
+ * 正确的 IR 比较指令，保证 int/long 均能正常运行。
+ */
+public final class ComparisonUtils {
+    private ComparisonUtils() {
+    }
+
+    /**
+     * 判断给定操作符是否为比较运算符
+     */
+    public static boolean isComparisonOperator(String op) {
+        // 两张表 key 完全一致，只需检查一张
+        return IROpCodeMappings.CMP_I32.containsKey(op);
+    }
+
+    /**
+     * 返回符合操作数位宽的比较 IROpCode。
+     *
+     * @param op    比较符号（==, !=, <, >, <=, >=）
+     * @param left  左操作数 AST
+     * @param right 右操作数 AST
+     */
+    public static IROpCode cmpOp(String op, ExpressionNode left, ExpressionNode right) {
+        boolean useLong = isLongLiteral(left) || isLongLiteral(right);
+        Map<String, IROpCode> table = useLong ? IROpCodeMappings.CMP_L64
+                : IROpCodeMappings.CMP_I32;
+        return table.get(op);
+    }
+
+    /* ------------ 内部工具 ------------ */
+
+    private static boolean isLongLiteral(ExpressionNode node) {
+        if (node instanceof NumberLiteralNode(String value)) {
+            return value.endsWith("L") || value.endsWith("l");
+        }
+        return false;                   // 变量暂不处理（后续可扩展符号表查询）
+    }
+}

src/main/java/org/jcnc/snow/compiler/ir/utils/ExpressionUtils.java

@@ -12,99 +12,83 @@ import java.util.Map;
 
 /**
  * 表达式分析与运算符辅助工具类。
- * <p>
+ *
- * 主要功能包括：
+ * <p>主要功能：</p>
  * <ul>
  *   <li>字面量常量的解析与类型推断</li>
- *   <li>自动匹配操作码</li>
+ *   <li>自动匹配算术/比较操作码</li>
- *   <li>表达式类型合并与判定</li>
+ *   <li>表达式类型合并与提升</li>
  * </ul>
  */
-public class ExpressionUtils {
+public final class ExpressionUtils {
 
-    /** 用于存储默认的类型后缀（如函数返回类型），线程隔离。 */
+    private ExpressionUtils() {}
+
+    /* ────────────────── 线程级默认类型后缀 ────────────────── */
+
+    /** 默认类型后缀（如当前函数返回类型），线程隔离。 */
     private static final ThreadLocal<Character> DEFAULT_SUFFIX =
             ThreadLocal.withInitial(() -> '\0');
 
-    /**
+    public static void setDefaultSuffix(char suffix) { DEFAULT_SUFFIX.set(suffix); }
-     * 在进入函数 IR 构建前设置默认的类型后缀（比如函数返回类型）。
-     * @param suffix 默认后缀字符，如 'i', 'l', 'f', 'd' 等
-     */
-    public static void setDefaultSuffix(char suffix) {
-        DEFAULT_SUFFIX.set(suffix);
-    }
 
-    /**
+    public static void clearDefaultSuffix()           { DEFAULT_SUFFIX.set('\0'); }
-     * 在函数 IR 构建结束后清除默认后缀，避免影响后续分析。
+
-     */
+    /* ───────────────────── 字面量 & 常量 ───────────────────── */
-    public static void clearDefaultSuffix() {
-        DEFAULT_SUFFIX.set('\0');
-    }
 
     /**
      * 解析整数字面量字符串，自动去除类型后缀（b/s/l/f/d/B/S/L/F/D），并转换为 int。
-     *
-     * @param literal 字面量字符串，如 "123", "123l", "42B"
-     * @return 解析得到的 int 整数
      */
     public static int parseIntSafely(String literal) {
-        // 去掉类型后缀，只保留数字部分
         String digits = literal.replaceAll("[bslfdBSDLF]$", "");
         return Integer.parseInt(digits);
     }
 
     /**
-     * 根据数字字面量字符串自动判断类型，生成对应类型的 IRConstant。
+     * 根据数字字面量字符串自动判断类型，生成对应类型的 {@link IRConstant}。
-     * 支持 b/s/l/f/d 类型后缀与浮点格式，自动分配合适类型。
+     * 支持 b/s/l/f/d 后缀与浮点格式。
-     *
-     * @param ctx IR 编译上下文环境
-     * @param value 字面量字符串（如 "1", "2l", "3.14f", "5D"）
-     * @return 生成的 IRConstant 对象，包含正确类型
      */
     public static IRConstant buildNumberConstant(IRContext ctx, String value) {
-        char suffix = value.isEmpty() ? '\0' : Character.toLowerCase(value.charAt(value.length() - 1));
+        char suffix = value.isEmpty() ? '\0'
+                : Character.toLowerCase(value.charAt(value.length() - 1));
+
         String digits = switch (suffix) {
             case 'b','s','l','f','d' -> value.substring(0, value.length() - 1);
             default -> {
+                /* 如果字面量本身没有后缀，则回退到变量目标类型（如声明语句左值） */
                 if (ctx.getVarType() != null) {
-                    final var receiverType = ctx.getVarType();
+                    String t = ctx.getVarType();
-                    switch (receiverType) {
+                    suffix = switch (t) {
-                        case "byte" -> suffix = 'b';
+                        case "byte"   -> 'b';
-                        case "short" -> suffix = 's';
+                        case "short"  -> 's';
-                        case "int" -> suffix = 'i';
+                        case "int"    -> 'i';
-                        case "long" -> suffix = 'l';
+                        case "long"   -> 'l';
-                        case "float" -> suffix = 'f';
+                        case "float"  -> 'f';
-                        case "double" -> suffix = 'd';
+                        case "double" -> 'd';
-                    }
+                        default       -> '\0';
+                    };
                 }
-
                 yield value;
             }
         };
-        // 根据类型后缀或数值格式创建常量
+
+        /* 创建常量 */
         return switch (suffix) {
             case 'b' -> new IRConstant(Byte.parseByte(digits));
             case 's' -> new IRConstant(Short.parseShort(digits));
             case 'l' -> new IRConstant(Long.parseLong(digits));
             case 'f' -> new IRConstant(Float.parseFloat(digits));
             case 'd' -> new IRConstant(Double.parseDouble(digits));
-            default -> looksLikeFloat(digits)
+            default  -> looksLikeFloat(digits)
                     ? new IRConstant(Double.parseDouble(digits))
                     : new IRConstant(Integer.parseInt(digits));
         };
     }
 
+    /* ────────────────────── 一元运算 ────────────────────── */
+
     /**
-     * 根据表达式节点推断一元取负（-）运算应使用的操作码。
+     * 推断一元取负（-）运算应使用的 {@link IROpCode}。
-     *
-     * <p>优先级与 {@link #resolveOpCode} 使用的类型提升规则保持一致：</p>
-     * <ul>
-     *   <li>字面量或标识符带显式后缀时，直接以后缀决定位宽；</li>
-     *   <li>未显式指定时，默认使用 32 位整型 {@link IROpCode#NEG_I32}。</li>
-     * </ul>
-     *
-     * @param operand 一元取负运算的操作数
-     * @return 匹配的 {@link IROpCode}
      */
     public static IROpCode negOp(ExpressionNode operand) {
         char t = typeChar(operand);
@@ -114,113 +98,82 @@ public class ExpressionUtils {
             case 'l' -> IROpCode.NEG_L64;
             case 'f' -> IROpCode.NEG_F32;
             case 'd' -> IROpCode.NEG_D64;
-            default  -> IROpCode.NEG_I32;
+            default  -> IROpCode.NEG_I32;      // '\0' 或 'i'
         };
     }
 
-    /* =================== 类型推断与操作符匹配 =================== */
+    /* ────────────────── 比较运算（已适配 long） ────────────────── */
 
-    /**
+    /** 判断给定字符串是否是比较运算符（==, !=, <, >, <=, >=）。 */
-     * 递归推断单个表达式节点的类型后缀（b/s/l/f/d）。
+    public static boolean isComparisonOperator(String op) {
-     * 对于二元表达式，将左右两侧的类型自动提升合并，遵循优先级顺序：d > f > l > s > b > '\0'。
+        return ComparisonUtils.isComparisonOperator(op);
-     *
-     * @param node 表达式节点
-     * @return 类型后缀字符，b/s/l/f/d 或 '\0'
-     */
-    private static char typeChar(ExpressionNode node) {
-        // 字面量节点，直接判断最后一位
-        if (node instanceof NumberLiteralNode(String value)) {
-            char last = Character.toLowerCase(value.charAt(value.length() - 1));
-            return switch (last) {
-                case 'b', 's', 'l', 'f', 'd' -> last;
-                default -> looksLikeFloat(value) ? 'd' : '\0';
-            };
-        }
-        // 二元表达式，递归判断左右子节点
-        if (node instanceof BinaryExpressionNode bin) {
-            char l = typeChar(bin.left());
-            char r = typeChar(bin.right());
-            return maxTypeChar(l, r);
-        }
-        // 其他情况（如变量节点），暂不处理，默认返回 '\0'
-        return '\0';
     }
 
     /**
-     * 推断两个表达式节点合并后的类型后缀。
+     * 兼容旧调用：仅凭操作符返回 <em>int32</em> 比较指令。
-     * 返回优先级更高的类型后缀字符。
-     *
-     * @param left  左表达式节点
-     * @param right 右表达式节点
-     * @return 合并后类型的后缀字符
      */
+    public static IROpCode cmpOp(String op) {
+        return IROpCodeMappings.CMP_I32.get(op);     // 旧逻辑：一律 i32
+    }
+
+    /**
+     * 推荐调用：根据左右表达式类型自动选择 int / long 比较指令。
+     */
+    public static IROpCode cmpOp(String op, ExpressionNode left, ExpressionNode right) {
+        return ComparisonUtils.cmpOp(op, left, right);
+    }
+
+    /* ──────────────── 类型推断 & 算术操作码匹配 ──────────────── */
+
+    /** 递归推断单个表达式节点的类型后缀（b/s/i/l/f/d）。 */
+    private static char typeChar(ExpressionNode node) {
+        if (node instanceof NumberLiteralNode(String value)) {
+            char last = Character.toLowerCase(value.charAt(value.length() - 1));
+            return switch (last) {
+                case 'b','s','i','l','f','d' -> last;
+                default -> looksLikeFloat(value) ? 'd' : '\0';
+            };
+        }
+        if (node instanceof BinaryExpressionNode bin) {
+            return maxTypeChar(typeChar(bin.left()), typeChar(bin.right()));
+        }
+        return '\0';      // 变量等暂不处理
+    }
+
+    /** 合并两侧表达式的类型后缀。 */
     public static char resolveSuffix(ExpressionNode left, ExpressionNode right) {
         return maxTypeChar(typeChar(left), typeChar(right));
     }
 
-    /**
+    /** 类型优先级：d > f > l > i > s > b > '\0' */
-     * 在两个类型后缀中选取精度更高的一个。
-     * 优先级依次为：d > f > l > s > b > '\0'
-     *
-     * @param l 左类型后缀
-     * @param r 右类型后缀
-     * @return 更高优先级的类型后缀字符
-     */
     private static char maxTypeChar(char l, char r) {
         if (l == 'd' || r == 'd') return 'd';
         if (l == 'f' || r == 'f') return 'f';
         if (l == 'l' || r == 'l') return 'l';
+        if (l == 'i' || r == 'i') return 'i';
         if (l == 's' || r == 's') return 's';
         if (l == 'b' || r == 'b') return 'b';
         return '\0';
     }
 
     /**
-     * 判断给定字符串是否为比较运算符（如 >, <, == 等）。
+     * 根据操作符和两侧表达式选择正确的算术 {@link IROpCode}。
-     *
-     * @param op 操作符字符串
-     * @return 如果是比较操作符返回 true，否则返回 false
-     */
-    public static boolean isComparisonOperator(String op) {
-        return IROpCodeMappings.CMP.containsKey(op);
-    }
-
-    /**
-     * 获取比较操作符对应的中间表示操作码（IROpCode）。
-     *
-     * @param op 比较操作符字符串
-     * @return 对应的 IROpCode，如果不存在则返回 null
-     */
-    public static IROpCode cmpOp(String op) {
-        return IROpCodeMappings.CMP.get(op);
-    }
-
-    /**
-     * 根据操作符和两侧表达式自动选择正确的 IROpCode。
-     * 首先根据参与表达式类型推断后缀，若无法推断则回退到函数默认类型，
-     * 还无法推断则默认使用 i32（32位整型）。
-     *
-     * @param op 操作符字符串，如 "+"
-     * @param left 左侧表达式节点
-     * @param right 右侧表达式节点
-     * @return 匹配的 IROpCode，如果不存在则返回 null
      */
     public static IROpCode resolveOpCode(String op,
                                          ExpressionNode left,
                                          ExpressionNode right) {
 
-        /* 1) 尝试从参与者常量字面量推断 */
+        /* 1. 尝试根据字面量推断 */
         char suffix = resolveSuffix(left, right);
 
-        /* 2) 若无法推断，退回到函数返回类型（DEFAULT_SUFFIX） */
+        /* 2. 若失败则使用函数级默认类型 */
-        if (suffix == '\0') {
+        if (suffix == '\0') suffix = DEFAULT_SUFFIX.get();
-            suffix = DEFAULT_SUFFIX.get();
-        }
 
-        /* 3) 再次失败则默认为 i32 */
+        /* 3. 仍失败则默认为 int32 */
         Map<String, IROpCode> table = switch (suffix) {
-            case 'b' -> IROpCodeMappings.OP_I8;
+            case 'b' -> IROpCodeMappings.OP_B8;
-            case 's' -> IROpCodeMappings.OP_I16;
+            case 's' -> IROpCodeMappings.OP_S16;
+            case 'i' -> IROpCodeMappings.OP_I32;
             case 'l' -> IROpCodeMappings.OP_L64;
             case 'f' -> IROpCodeMappings.OP_F32;
             case 'd' -> IROpCodeMappings.OP_D64;
@@ -230,13 +183,12 @@ public class ExpressionUtils {
         return table.get(op);
     }
 
-    /**
+    /* ────────────────────────── 工具 ───────────────────────── */
-     * 判断字符串是否为浮点数形式（即包含小数点或科学计数法 e/E）。
+
-     *
+    /** 是否像浮点字面量（包含 '.' 或 e/E）。 */
-     * @param digits 数字字符串
-     * @return 如果看起来像浮点数则返回 true，否则返回 false
-     */
     private static boolean looksLikeFloat(String digits) {
-        return digits.indexOf('.') >= 0 || digits.indexOf('e') >= 0 || digits.indexOf('E') >= 0;
+        return digits.indexOf('.') >= 0
+                || digits.indexOf('e') >= 0
+                || digits.indexOf('E') >= 0;
     }
 }

src/main/java/org/jcnc/snow/compiler/ir/utils/IROpCodeUtils.java

@@ -8,13 +8,21 @@ import java.util.Map;
  * IR 操作码辅助工具。
  */
 public class IROpCodeUtils {
-    private static final Map<IROpCode, IROpCode> INVERT = Map.of(
+    private static final Map<IROpCode, IROpCode> INVERT = Map.ofEntries(
-        IROpCode.CMP_LEQ, IROpCode.CMP_LNE,
+            // 32-bit
-        IROpCode.CMP_LNE, IROpCode.CMP_LEQ,
+            Map.entry(IROpCode.CMP_IEQ, IROpCode.CMP_INE),
-        IROpCode.CMP_LLT, IROpCode.CMP_LGE,
+            Map.entry(IROpCode.CMP_INE, IROpCode.CMP_IEQ),
-        IROpCode.CMP_LGE, IROpCode.CMP_LLT,
+            Map.entry(IROpCode.CMP_ILT, IROpCode.CMP_IGE),
-        IROpCode.CMP_LGT, IROpCode.CMP_LLE,
+            Map.entry(IROpCode.CMP_IGE, IROpCode.CMP_ILT),
-        IROpCode.CMP_LLE, IROpCode.CMP_LGT
+            Map.entry(IROpCode.CMP_IGT, IROpCode.CMP_ILE),
+            Map.entry(IROpCode.CMP_ILE, IROpCode.CMP_IGT),
+            // 64-bit
+            Map.entry(IROpCode.CMP_LEQ, IROpCode.CMP_LNE),
+            Map.entry(IROpCode.CMP_LNE, IROpCode.CMP_LEQ),
+            Map.entry(IROpCode.CMP_LLT, IROpCode.CMP_LGE),
+            Map.entry(IROpCode.CMP_LGE, IROpCode.CMP_LLT),
+            Map.entry(IROpCode.CMP_LGT, IROpCode.CMP_LLE),
+            Map.entry(IROpCode.CMP_LLE, IROpCode.CMP_LGT)
     );
 
     /**

src/main/java/org/jcnc/snow/compiler/semantic/analyzers/expression/BinaryExpressionAnalyzer.java

@@ -11,79 +11,75 @@ import org.jcnc.snow.compiler.semantic.type.BuiltinType;
 import org.jcnc.snow.compiler.semantic.type.Type;
 
 /**
- * {@code BinaryExpressionAnalyzer} 是一个用于分析二元表达式的语义分析器。
+ * {@code BinaryExpressionAnalyzer} 负责对二元表达式做语义分析并返回其类型。
  * <p>
- * 支持的特性包括：
+ * 支持特性：
- * <ul>
+ * 1. 字符串拼接「+」
- *     <li>字符串拼接（当运算符为加号 "+" 且任一操作数为字符串类型时）</li>
+ * 2. 数值运算与自动宽化
- *     <li>数值类型的自动宽化转换（如 int 与 float 运算将转换为 float）</li>
+ * 3. 比较 / 关系运算
- *     <li>基本的数值运算符（如 +, -, *, /, %）</li>
+ * 4. 布尔值比较（== / !=）
- *     <li>关系运算符和比较运算符（如 <, <=, >, >=, ==, !=）</li>
- * </ul>
- * 对于不支持的运算符或不兼容的类型组合，将记录语义错误，并默认返回 {@code BuiltinType.INT} 以保持分析过程的连续性。
  * <p>
- * 实现类遵循 {@code ExpressionAnalyzer<BinaryExpressionNode>} 接口规范。
+ * 如遇不支持的运算符或不兼容的类型组合，将记录语义错误，
+ * 并以 {@code int} 作为回退类型，保持后续分析不中断。
  */
 public class BinaryExpressionAnalyzer implements ExpressionAnalyzer<BinaryExpressionNode> {
 
-    /**
-     * 分析给定的二元表达式节点，返回其表达式类型。
-     *
-     * @param ctx    当前语义分析上下文，用于访问日志记录、错误收集、注册表等服务。
-     * @param mi     当前模块信息，包含模块级别的符号与类型定义。
-     * @param fn     当前正在分析的函数节点。
-     * @param locals 当前函数作用域内的符号表，用于变量查找。
-     * @param bin    要分析的二元表达式节点。
-     * @return 分析后推断出的表达式类型。
-     */
     @Override
     public Type analyze(Context ctx,
                         ModuleInfo mi,
                         FunctionNode fn,
                         SymbolTable locals,
                         BinaryExpressionNode bin) {
+
         ctx.log("检查二元表达式: " + bin.operator());
 
-        // 获取左侧表达式类型
+        /* ----------- 先递归分析左右子表达式类型 ----------- */
-        Type left = ctx.getRegistry().getExpressionAnalyzer(bin.left())
+        Type left  = ctx.getRegistry()
+                .getExpressionAnalyzer(bin.left())
                 .analyze(ctx, mi, fn, locals, bin.left());
 
-        // 获取右侧表达式类型
+        Type right = ctx.getRegistry()
-        Type right = ctx.getRegistry().getExpressionAnalyzer(bin.right())
+                .getExpressionAnalyzer(bin.right())
                 .analyze(ctx, mi, fn, locals, bin.right());
 
         String op = bin.operator();
 
-        // 情况 1：字符串拼接（+ 操作符且任一操作数为字符串类型）
+        /* ----------- 情况 1：字符串拼接 ----------- */
         if (op.equals("+") &&
                 (left == BuiltinType.STRING || right == BuiltinType.STRING)) {
             return BuiltinType.STRING;
         }
 
-        // 情况 2：数值类型运算或比较
+        /* ----------- 情况 1.5：布尔值比较 ----------- */
+        if (("==".equals(op) || "!=".equals(op)) &&
+                left == BuiltinType.BOOLEAN &&
+                right == BuiltinType.BOOLEAN) {
+            return BuiltinType.BOOLEAN;
+        }
+
+        /* ----------- 情况 2：数值运算 / 比较 ----------- */
         if ("+-*/%".contains(op) || ("<<=>>===!=").contains(op)) {
             if (left.isNumeric() && right.isNumeric()) {
-                // 自动宽化到更宽的数值类型（如 int + float => float）
+                // 自动数值宽化（如 int + float → float）
                 Type wide = Type.widen(left, right);
-                if (wide == null) wide = BuiltinType.INT; // 容错降级为 int
+                if (wide == null) wide = BuiltinType.INT;   // 容错降级
 
-                // 若为比较运算符，统一返回 boolean 类型作为布尔值表示
+                // 比较运算统一返回 boolean
                 if ("< <= > >= == !=".contains(op)) {
                     return BuiltinType.BOOLEAN;
                 }
-
                 return wide;
             }
         }
 
-        // 情况 3：不支持的类型组合，记录语义错误
+        /* ----------- 情况 3：不支持的类型组合 ----------- */
         ctx.getErrors().add(new SemanticError(
                 bin,
                 String.format("运算符 '%s' 不支持类型: %s 和 %s", op, left, right)
         ));
         ctx.log("错误: 运算符 '" + op + "' 不支持类型: " + left + ", " + right);
 
-        // 错误情况下默认返回 int 类型，以保证语义分析不中断
+        // 回退类型
         return BuiltinType.INT;
     }
 }

src/main/java/org/jcnc/snow/vm/commands/arithmetic/byte8/BAddCommand.java

@@ -50,7 +50,7 @@ public class BAddCommand implements Command {
         byte a = (byte) operandStack.pop();
 
         // Perform the addition and push the result back onto the stack
-        operandStack.push(a + b);
+        operandStack.push((byte)(a + b));
 
         // Return the updated program counter (next instruction)
         return currentPC + 1;

src/main/java/org/jcnc/snow/vm/commands/arithmetic/byte8/BDivCommand.java

@@ -56,7 +56,7 @@ public class BDivCommand implements Command {
         }
 
         // Perform the division and push the result back onto the stack
-        operandStack.push(a / b);
+        operandStack.push((byte)(a / b));
 
         // Return the updated program counter (next instruction)
         return currentPC + 1;

src/main/java/org/jcnc/snow/vm/commands/arithmetic/byte8/BModCommand.java

@@ -50,7 +50,7 @@ public class BModCommand implements Command {
         byte a = (byte) operandStack.pop();
 
         // Perform the modulus operation and push the result back onto the stack
-        operandStack.push(a % b);
+        operandStack.push((byte)(a % b));
 
         // Return the updated program counter (next instruction)
         return currentPC + 1;

src/main/java/org/jcnc/snow/vm/commands/arithmetic/byte8/BMulCommand.java

@@ -50,7 +50,7 @@ public class BMulCommand implements Command {
         byte a = (byte) operandStack.pop();
 
         // Perform the multiplication and push the result back onto the stack
-        operandStack.push(a * b);
+        operandStack.push((byte)(a * b));
 
         // Return the updated program counter (next instruction)
         return currentPC + 1;

src/main/java/org/jcnc/snow/vm/commands/arithmetic/byte8/BSubCommand.java

@@ -50,7 +50,7 @@ public class BSubCommand implements Command {
         byte a = (byte) operandStack.pop();
 
         // Perform the subtraction and push the result back onto the stack
-        operandStack.push(a - b);
+        operandStack.push((byte)(a - b));
 
         // Return the updated program counter (next instruction)
         return currentPC + 1;

src/main/java/org/jcnc/snow/vm/commands/arithmetic/short16/SAddCommand.java

@@ -46,11 +46,11 @@ public class SAddCommand implements Command {
     @Override
     public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
         // Pop the top two operands from the stack
-        Short b = (Short) operandStack.pop();
+        short b = (short) operandStack.pop();
-        Short a = (Short) operandStack.pop();
+        short a = (short) operandStack.pop();
 
         // Perform the addition and push the result back onto the stack
-        operandStack.push(a + b);
+        operandStack.push((short)(a + b));
 
         // Return the updated program counter (next instruction)
         return currentPC + 1;

src/main/java/org/jcnc/snow/vm/commands/arithmetic/short16/SDivCommand.java

@@ -56,7 +56,7 @@ public class SDivCommand implements Command {
         }
 
         // Perform the division and push the result back onto the stack
-        operandStack.push(a / b);
+        operandStack.push((short)(a / b));
 
         // Return the updated program counter (next instruction)
         return currentPC + 1;

src/main/java/org/jcnc/snow/vm/commands/arithmetic/short16/SModCommand.java

@@ -50,7 +50,7 @@ public class SModCommand implements Command {
         short a = (short) operandStack.pop();
 
         // Perform the modulus operation and push the result back onto the stack
-        operandStack.push(a % b);
+        operandStack.push((short)(a % b));
 
         // Return the updated program counter (next instruction)
         return currentPC + 1;

src/main/java/org/jcnc/snow/vm/commands/arithmetic/short16/SMulCommand.java

@@ -50,7 +50,7 @@ public class SMulCommand implements Command {
         short a = (short) operandStack.pop();
 
         // Perform the multiplication and push the result back onto the stack
-        operandStack.push(a * b);
+        operandStack.push((short)(a * b));
 
         // Return the updated program counter (next instruction)
         return currentPC + 1;

src/main/java/org/jcnc/snow/vm/commands/arithmetic/short16/SSubCommand.java

@@ -50,7 +50,7 @@ public class SSubCommand implements Command {
         short a = (short) operandStack.pop();
 
         // Perform the subtraction and push the result back onto the stack
-        operandStack.push(a - b);
+        operandStack.push((short)(a - b));
 
         // Return the updated program counter (next instruction)
         return currentPC + 1;

src/main/java/org/jcnc/snow/vm/commands/control/byte8/BCECommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.byte8;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The BCECommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if they are equal, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two byte8 from the virtual machine stack.</li>
+ *     <li>If the two byte8 are equal, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class BCECommand implements Command {
+    /**
+     * Default constructor for creating an instance of BCECommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public BCECommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        byte b = (byte) operandStack.pop();
+        byte a = (byte) operandStack.pop();
+
+        // If the operands are equal, jump to the target command
+        if (a == b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/byte8/BCGCommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.byte8;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The BCGCommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if the first value is greater than the second, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two byte8 from the virtual machine stack.</li>
+ *     <li>If the first byte8 is greater than the second, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class BCGCommand implements Command {
+    /**
+     * Default constructor for creating an instance of BCGCommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public BCGCommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        byte b = (byte) operandStack.pop();
+        byte a = (byte) operandStack.pop();
+
+        // If the first operand is greater than the second, jump to the target command
+        if (a > b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/byte8/BCGECommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.byte8;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The BCGECommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if the first value is greater than or equal to the second, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two byte8 from the virtual machine stack.</li>
+ *     <li>If the first byte8 is greater than or equal to the second, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class BCGECommand implements Command {
+    /**
+     * Default constructor for creating an instance of BCGECommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public BCGECommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        byte b = (byte) operandStack.pop();
+        byte a = (byte) operandStack.pop();
+
+        // If the first operand is greater than or equal to the second, jump to the target command
+        if (a >= b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/byte8/BCLCommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.byte8;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The BCLCommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if the first value is less than the second, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two byte8 from the virtual machine stack.</li>
+ *     <li>If the first byte8 is less than the second, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class BCLCommand implements Command {
+    /**
+     * Default constructor for creating an instance of BCLCommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public BCLCommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        byte b = (byte) operandStack.pop();
+        byte a = (byte) operandStack.pop();
+
+        // If the first operand is less than the second, jump to the target command
+        if (a < b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/byte8/BCLECommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.byte8;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The BCLECommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if the first value is less than or equal to the second, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two byte8 from the virtual machine stack.</li>
+ *     <li>If the first byte8 is less than or equal to the second, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class BCLECommand implements Command {
+    /**
+     * Default constructor for creating an instance of BCLECommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public BCLECommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        byte b = (byte) operandStack.pop();
+        byte a = (byte) operandStack.pop();
+
+        // If the first operand is less than or equal to the second, jump to the target command
+        if (a <= b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/byte8/BCNECommand.java

@@ -0,0 +1,77 @@
+package org.jcnc.snow.vm.commands.control.byte8;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The BCNECommand class implements the {@link Command} interface and represents a conditional jump command
+ * in the virtual machine that triggers if two values are not equal.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two byte8 from the virtual machine stack.</li>
+ *     <li>If the two byte8 are not equal, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class BCNECommand implements Command {
+    /**
+     * Default constructor for creating an instance of BCNECommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public BCNECommand() {
+
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        byte b = (byte) operandStack.pop();
+        byte a = (byte) operandStack.pop();
+
+        // If the operands are not equal, jump to the target command
+        if (a != b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/double64/DCECommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.double64;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The DCECommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if they are equal, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two double64 from the virtual machine stack.</li>
+ *     <li>If the two double64 are equal, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class DCECommand implements Command {
+    /**
+     * Default constructor for creating an instance of DCECommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public DCECommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        double b = (double) operandStack.pop();
+        double a = (double) operandStack.pop();
+
+        // If the operands are equal, jump to the target command
+        if (a == b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/double64/DCGCommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.double64;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The DCGCommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if the first value is greater than the second, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two double64 from the virtual machine stack.</li>
+ *     <li>If the first double64 is greater than the second, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class DCGCommand implements Command {
+    /**
+     * Default constructor for creating an instance of DCGCommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public DCGCommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        double b = (double) operandStack.pop();
+        double a = (double) operandStack.pop();
+
+        // If the first operand is greater than the second, jump to the target command
+        if (a > b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/double64/DCGECommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.double64;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The DCGECommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if the first value is greater than or equal to the second, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two double64 from the virtual machine stack.</li>
+ *     <li>If the first double64 is greater than or equal to the second, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class DCGECommand implements Command {
+    /**
+     * Default constructor for creating an instance of DCGECommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public DCGECommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        double b = (double) operandStack.pop();
+        double a = (double) operandStack.pop();
+
+        // If the first operand is greater than or equal to the second, jump to the target command
+        if (a >= b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/double64/DCLCommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.double64;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The DCLCommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if the first value is less than the second, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two double64 from the virtual machine stack.</li>
+ *     <li>If the first double64 is less than the second, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class DCLCommand implements Command {
+    /**
+     * Default constructor for creating an instance of DCLCommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public DCLCommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        double b = (double) operandStack.pop();
+        double a = (double) operandStack.pop();
+
+        // If the first operand is less than the second, jump to the target command
+        if (a < b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/double64/DCLECommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.double64;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The DCLECommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if the first value is less than or equal to the second, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two double64 from the virtual machine stack.</li>
+ *     <li>If the first double64 is less than or equal to the second, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class DCLECommand implements Command {
+    /**
+     * Default constructor for creating an instance of DCLECommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public DCLECommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        double b = (double) operandStack.pop();
+        double a = (double) operandStack.pop();
+
+        // If the first operand is less than or equal to the second, jump to the target command
+        if (a <= b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/double64/DCNECommand.java

@@ -0,0 +1,77 @@
+package org.jcnc.snow.vm.commands.control.double64;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The DCNECommand class implements the {@link Command} interface and represents a conditional jump command
+ * in the virtual machine that triggers if two values are not equal.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two double64 from the virtual machine stack.</li>
+ *     <li>If the two double64 are not equal, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class DCNECommand implements Command {
+    /**
+     * Default constructor for creating an instance of DCNECommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public DCNECommand() {
+
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        double b = (double) operandStack.pop();
+        double a = (double) operandStack.pop();
+
+        // If the operands are not equal, jump to the target command
+        if (a != b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/float32/FCECommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.float32;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The FCECommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if they are equal, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two float32 from the virtual machine stack.</li>
+ *     <li>If the two float32 are equal, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class FCECommand implements Command {
+    /**
+     * Default constructor for creating an instance of FCECommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public FCECommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        float b = (float) operandStack.pop();
+        float a = (float) operandStack.pop();
+
+        // If the operands are equal, jump to the target command
+        if (a == b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/float32/FCGCommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.float32;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The FCGCommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if the first value is greater than the second, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two float32 from the virtual machine stack.</li>
+ *     <li>If the first float32 is greater than the second, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class FCGCommand implements Command {
+    /**
+     * Default constructor for creating an instance of FCGCommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public FCGCommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        float b = (float) operandStack.pop();
+        float a = (float) operandStack.pop();
+
+        // If the first operand is greater than the second, jump to the target command
+        if (a > b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/float32/FCGECommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.float32;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The FCGECommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if the first value is greater than or equal to the second, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two float32 from the virtual machine stack.</li>
+ *     <li>If the first float32 is greater than or equal to the second, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class FCGECommand implements Command {
+    /**
+     * Default constructor for creating an instance of FCGECommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public FCGECommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        float b = (float) operandStack.pop();
+        float a = (float) operandStack.pop();
+
+        // If the first operand is greater than or equal to the second, jump to the target command
+        if (a >= b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/float32/FCLCommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.float32;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The FCLCommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if the first value is less than the second, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two float32 from the virtual machine stack.</li>
+ *     <li>If the first float32 is less than the second, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class FCLCommand implements Command {
+    /**
+     * Default constructor for creating an instance of FCLCommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public FCLCommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        float b = (float) operandStack.pop();
+        float a = (float) operandStack.pop();
+
+        // If the first operand is less than the second, jump to the target command
+        if (a < b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/float32/FCLECommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.float32;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The FCLECommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if the first value is less than or equal to the second, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two float32 from the virtual machine stack.</li>
+ *     <li>If the first float32 is less than or equal to the second, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class FCLECommand implements Command {
+    /**
+     * Default constructor for creating an instance of FCLECommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public FCLECommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        float b = (float) operandStack.pop();
+        float a = (float) operandStack.pop();
+
+        // If the first operand is less than or equal to the second, jump to the target command
+        if (a <= b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/float32/FCNECommand.java

@@ -0,0 +1,77 @@
+package org.jcnc.snow.vm.commands.control.float32;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The FCNECommand class implements the {@link Command} interface and represents a conditional jump command
+ * in the virtual machine that triggers if two values are not equal.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two float32 from the virtual machine stack.</li>
+ *     <li>If the two float32 are not equal, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class FCNECommand implements Command {
+    /**
+     * Default constructor for creating an instance of FCNECommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public FCNECommand() {
+
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        float b = (float) operandStack.pop();
+        float a = (float) operandStack.pop();
+
+        // If the operands are not equal, jump to the target command
+        if (a != b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/int32/ICECommand.java

@@ -12,8 +12,8 @@ import org.jcnc.snow.vm.module.OperandStack;
  *
  * <p>Specific behavior:</p>
  * <ul>
- *     <li>Pops two integers from the virtual machine stack.</li>
+ *     <li>Pops two int32 from the virtual machine stack.</li>
- *     <li>If the two integers are equal, jumps to the target command.</li>
+ *     <li>If the two int32 are equal, jumps to the target command.</li>
  *     <li>Otherwise, the program continues with the next command.</li>
  * </ul>
  */

src/main/java/org/jcnc/snow/vm/commands/control/int32/ICGCommand.java

@@ -12,8 +12,8 @@ import org.jcnc.snow.vm.module.OperandStack;
  *
  * <p>Specific behavior:</p>
  * <ul>
- *     <li>Pops two integers from the virtual machine stack.</li>
+ *     <li>Pops two int32 from the virtual machine stack.</li>
- *     <li>If the first integer is greater than the second, jumps to the target command.</li>
+ *     <li>If the first int32 is greater than the second, jumps to the target command.</li>
  *     <li>Otherwise, the program continues with the next command.</li>
  * </ul>
  */

src/main/java/org/jcnc/snow/vm/commands/control/int32/ICGECommand.java

@@ -12,8 +12,8 @@ import org.jcnc.snow.vm.module.OperandStack;
  *
  * <p>Specific behavior:</p>
  * <ul>
- *     <li>Pops two integers from the virtual machine stack.</li>
+ *     <li>Pops two int32 from the virtual machine stack.</li>
- *     <li>If the first integer is greater than or equal to the second, jumps to the target command.</li>
+ *     <li>If the first int32 is greater than or equal to the second, jumps to the target command.</li>
  *     <li>Otherwise, the program continues with the next command.</li>
  * </ul>
  */

src/main/java/org/jcnc/snow/vm/commands/control/int32/ICLCommand.java

@@ -12,8 +12,8 @@ import org.jcnc.snow.vm.module.OperandStack;
  *
  * <p>Specific behavior:</p>
  * <ul>
- *     <li>Pops two integers from the virtual machine stack.</li>
+ *     <li>Pops two int32 from the virtual machine stack.</li>
- *     <li>If the first integer is less than the second, jumps to the target command.</li>
+ *     <li>If the first int32 is less than the second, jumps to the target command.</li>
  *     <li>Otherwise, the program continues with the next command.</li>
  * </ul>
  */

src/main/java/org/jcnc/snow/vm/commands/control/int32/ICLECommand.java

@@ -12,8 +12,8 @@ import org.jcnc.snow.vm.module.OperandStack;
  *
  * <p>Specific behavior:</p>
  * <ul>
- *     <li>Pops two integers from the virtual machine stack.</li>
+ *     <li>Pops two int32 from the virtual machine stack.</li>
- *     <li>If the first integer is less than or equal to the second, jumps to the target command.</li>
+ *     <li>If the first int32 is less than or equal to the second, jumps to the target command.</li>
  *     <li>Otherwise, the program continues with the next command.</li>
  * </ul>
  */

src/main/java/org/jcnc/snow/vm/commands/control/int32/ICNECommand.java

@@ -12,8 +12,8 @@ import org.jcnc.snow.vm.module.OperandStack;
  *
  * <p>Specific behavior:</p>
  * <ul>
- *     <li>Pops two integers from the virtual machine stack.</li>
+ *     <li>Pops two int32 from the virtual machine stack.</li>
- *     <li>If the two integers are not equal, jumps to the target command.</li>
+ *     <li>If the two int32 are not equal, jumps to the target command.</li>
  *     <li>Otherwise, the program continues with the next command.</li>
  * </ul>
  */

src/main/java/org/jcnc/snow/vm/commands/control/long64/LCECommand.java

@@ -12,8 +12,8 @@ import org.jcnc.snow.vm.utils.LoggingUtils;
  *
  * <p>Specific behavior:</p>
  * <ul>
- *     <li>Pops two integers from the virtual machine stack.</li>
+ *     <li>Pops two long64 from the virtual machine stack.</li>
- *     <li>If the two integers are equal, jumps to the target command.</li>
+ *     <li>If the two long64 are equal, jumps to the target command.</li>
  *     <li>Otherwise, the program continues with the next command.</li>
  * </ul>
  */

src/main/java/org/jcnc/snow/vm/commands/control/long64/LCGCommand.java

@@ -12,8 +12,8 @@ import org.jcnc.snow.vm.utils.LoggingUtils;
  *
  * <p>Specific behavior:</p>
  * <ul>
- *     <li>Pops two integers from the virtual machine stack.</li>
+ *     <li>Pops two long64 from the virtual machine stack.</li>
- *     <li>If the first integer is greater than the second, jumps to the target command.</li>
+ *     <li>If the first long64 is greater than the second, jumps to the target command.</li>
  *     <li>Otherwise, the program continues with the next command.</li>
  * </ul>
  */

src/main/java/org/jcnc/snow/vm/commands/control/long64/LCGECommand.java

@@ -12,8 +12,8 @@ import org.jcnc.snow.vm.utils.LoggingUtils;
  *
  * <p>Specific behavior:</p>
  * <ul>
- *     <li>Pops two integers from the virtual machine stack.</li>
+ *     <li>Pops two long64 from the virtual machine stack.</li>
- *     <li>If the first integer is greater than or equal to the second, jumps to the target command.</li>
+ *     <li>If the first long64 is greater than or equal to the second, jumps to the target command.</li>
  *     <li>Otherwise, the program continues with the next command.</li>
  * </ul>
  */

src/main/java/org/jcnc/snow/vm/commands/control/long64/LCLCommand.java

@@ -12,8 +12,8 @@ import org.jcnc.snow.vm.utils.LoggingUtils;
  *
  * <p>Specific behavior:</p>
  * <ul>
- *     <li>Pops two integers from the virtual machine stack.</li>
+ *     <li>Pops two long64 from the virtual machine stack.</li>
- *     <li>If the first integer is less than the second, jumps to the target command.</li>
+ *     <li>If the first long64 is less than the second, jumps to the target command.</li>
  *     <li>Otherwise, the program continues with the next command.</li>
  * </ul>
  */

src/main/java/org/jcnc/snow/vm/commands/control/long64/LCLECommand.java

@@ -12,8 +12,8 @@ import org.jcnc.snow.vm.utils.LoggingUtils;
  *
  * <p>Specific behavior:</p>
  * <ul>
- *     <li>Pops two integers from the virtual machine stack.</li>
+ *     <li>Pops two long64 from the virtual machine stack.</li>
- *     <li>If the first integer is less than or equal to the second, jumps to the target command.</li>
+ *     <li>If the first long64 is less than or equal to the second, jumps to the target command.</li>
  *     <li>Otherwise, the program continues with the next command.</li>
  * </ul>
  */

src/main/java/org/jcnc/snow/vm/commands/control/long64/LCNECommand.java

@@ -12,8 +12,8 @@ import org.jcnc.snow.vm.utils.LoggingUtils;
  *
  * <p>Specific behavior:</p>
  * <ul>
- *     <li>Pops two integers from the virtual machine stack.</li>
+ *     <li>Pops two long64 from the virtual machine stack.</li>
- *     <li>If the two integers are not equal, jumps to the target command.</li>
+ *     <li>If the two long64 are not equal, jumps to the target command.</li>
  *     <li>Otherwise, the program continues with the next command.</li>
  * </ul>
  */

src/main/java/org/jcnc/snow/vm/commands/control/short16/SCECommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.short16;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The SCECommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if they are equal, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two short16 from the virtual machine stack.</li>
+ *     <li>If the two short16 are equal, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class SCECommand implements Command {
+    /**
+     * Default constructor for creating an instance of SCECommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public SCECommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        short b = (short) operandStack.pop();
+        short a = (short) operandStack.pop();
+
+        // If the operands are equal, jump to the target command
+        if (a == b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/short16/SCGCommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.short16;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The SCGCommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if the first value is greater than the second, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two short16 from the virtual machine stack.</li>
+ *     <li>If the first short16 is greater than the second, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class SCGCommand implements Command {
+    /**
+     * Default constructor for creating an instance of SCGCommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public SCGCommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        short b = (short) operandStack.pop();
+        short a = (short) operandStack.pop();
+
+        // If the first operand is greater than the second, jump to the target command
+        if (a > b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/short16/SCGECommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.short16;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The SCGECommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if the first value is greater than or equal to the second, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two short16 from the virtual machine stack.</li>
+ *     <li>If the first short16 is greater than or equal to the second, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class SCGECommand implements Command {
+    /**
+     * Default constructor for creating an instance of SCGECommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public SCGECommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        short b = (short) operandStack.pop();
+        short a = (short) operandStack.pop();
+
+        // If the first operand is greater than or equal to the second, jump to the target command
+        if (a >= b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/short16/SCLCommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.short16;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The SCLCommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if the first value is less than the second, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two short16 from the virtual machine stack.</li>
+ *     <li>If the first short16 is less than the second, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class SCLCommand implements Command {
+    /**
+     * Default constructor for creating an instance of SCLCommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public SCLCommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        short b = (short) operandStack.pop();
+        short a = (short) operandStack.pop();
+
+        // If the first operand is less than the second, jump to the target command
+        if (a < b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/short16/SCLECommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.short16;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The SCLECommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if the first value is less than or equal to the second, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two short16 from the virtual machine stack.</li>
+ *     <li>If the first short16 is less than or equal to the second, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class SCLECommand implements Command {
+    /**
+     * Default constructor for creating an instance of SCLECommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public SCLECommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        short b = (short) operandStack.pop();
+        short a = (short) operandStack.pop();
+
+        // If the first operand is less than or equal to the second, jump to the target command
+        if (a <= b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/short16/SCNECommand.java

@@ -0,0 +1,77 @@
+package org.jcnc.snow.vm.commands.control.short16;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The SCNECommand class implements the {@link Command} interface and represents a conditional jump command
+ * in the virtual machine that triggers if two values are not equal.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two short16 from the virtual machine stack.</li>
+ *     <li>If the two short16 are not equal, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class SCNECommand implements Command {
+    /**
+     * Default constructor for creating an instance of SCNECommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public SCNECommand() {
+
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        short b = (short) operandStack.pop();
+        short a = (short) operandStack.pop();
+
+        // If the operands are not equal, jump to the target command
+        if (a != b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/engine/VMOpCode.java

@@ -47,8 +47,8 @@ import org.jcnc.snow.vm.module.LocalVariableStore;
  * <p>Each opcode represents a specific operation executed by the virtual machine.</p>
  */
 public class VMOpCode {
-    // 1   Arithmetic Operations (1–80)
+    // region 1. Arithmetic Operations (1–100)
-    // 1.1 int32 (1-10)
+    // region 1.1 int32 (0-9)
     /**
      * I_ADD Opcode: Represents the int32 addition operation in the virtual machine.
      * <p>This opcode is implemented by the {@link IAddCommand} class, which defines its specific execution logic.</p>
@@ -63,7 +63,7 @@ public class VMOpCode {
      * <p>This opcode is a fundamental arithmetic operation within the virtual machine's instruction set,
      * primarily used to handle basic int32 addition tasks.</p>
      */
-    public static final int I_ADD = 1;
+    public static final int I_ADD = 0;
     /**
      * I_SUB Opcode: Represents the int32 subtraction operation in the virtual machine.
      * <p>This opcode is implemented by the {@link ISubCommand} class, which defines its specific execution logic.</p>
@@ -78,7 +78,7 @@ public class VMOpCode {
      * <p>This opcode is a fundamental arithmetic operation within the virtual machine's instruction set,
      * primarily used to handle basic int32 subtraction tasks.</p>
      */
-    public static final int I_SUB = 2;
+    public static final int I_SUB = 1;
     /**
      * I_MUL Opcode: Represents the int32 multiplication operation in the virtual machine.
      * <p>This opcode is implemented by the {@link IMulCommand} class, which defines its specific execution logic.</p>
@@ -93,7 +93,7 @@ public class VMOpCode {
      * <p>This opcode is a fundamental arithmetic operation within the virtual machine's instruction set,
      * primarily used to handle basic int32 multiplication tasks.</p>
      */
-    public static final int I_MUL = 3;
+    public static final int I_MUL = 2;
     /**
      * I_DIV Opcode: Represents the int32 division operation in the virtual machine.
      * <p>This opcode is implemented by the {@link IDivCommand} class, which defines its specific execution logic.</p>
@@ -109,7 +109,7 @@ public class VMOpCode {
      * <p>This opcode is a fundamental arithmetic operation within the virtual machine's instruction set,
      * primarily used to handle basic int32 division tasks.</p>
      */
-    public static final int I_DIV = 4;
+    public static final int I_DIV = 3;
     /**
      * I_MOD Opcode: Represents the int32 modulus (remainder) operation in the virtual machine.
      * <p>This opcode is implemented by the {@link IModCommand} class, which defines its specific execution logic.</p>
@@ -125,7 +125,7 @@ public class VMOpCode {
      * <p>This opcode is a fundamental arithmetic operation within the virtual machine's instruction set,
      * primarily used to handle basic int32 modulus (remainder)  tasks.</p>
      */
-    public static final int I_MOD = 5;
+    public static final int I_MOD = 4;
     /**
      * I_INC Opcode: Represents the int32 increment operation for a local variable in the virtual machine.
      * <p>This opcode is implemented by the {@link IIncCommand} class, which defines its specific execution logic.</p>
@@ -142,8 +142,7 @@ public class VMOpCode {
      *
      * <p>This opcode is particularly useful for optimizing scenarios where a local variable, such as a counter or loop index, is frequently incremented.</p>
      */
-    public static final int I_INC = 6;
+    public static final int I_INC = 5;
-
     /**
      * I_NEG Opcode: Represents the int32 negation operation in the virtual machine.
      * <p>This opcode is implemented by the {@link INegCommand} class, which defines its specific execution logic.</p>
@@ -157,8 +156,10 @@ public class VMOpCode {
      *
      * <p>This opcode is typically used to negate an int32 value, making it a fundamental operation for arithmetic logic within the virtual machine.</p>
      */
-    public static final int I_NEG = 7;
+    public static final int I_NEG = 6;
-    // 1.2 long64 (11-20)
+    // endregion
+
+    // region 1.2 long64 (10-19)
     /**
      * L_ADD Opcode: Represents the long64 addition operation in the virtual machine.
      * <p>This opcode is implemented by the {@link LAddCommand} class, which defines its specific execution logic.</p>
@@ -173,8 +174,7 @@ public class VMOpCode {
      * <p>This opcode is a fundamental arithmetic operation within the virtual machine's instruction set,
      * primarily used to handle basic long64 addition tasks.</p>
      */
-    public static final int L_ADD = 11;
+    public static final int L_ADD = 10;
-
     /**
      * L_SUB Opcode: Represents the long64 subtraction operation in the virtual machine.
      * <p>This opcode is implemented by the {@link LSubCommand} class, which defines its specific execution logic.</p>
@@ -189,8 +189,7 @@ public class VMOpCode {
      * <p>This opcode is a fundamental arithmetic operation within the virtual machine's instruction set,
      * primarily used to handle basic long64 subtraction tasks.</p>
      */
-    public static final int L_SUB = 12;
+    public static final int L_SUB = 11;
-
     /**
      * L_MUL Opcode: Represents the long64 multiplication operation in the virtual machine.
      * <p>This opcode is implemented by the {@link LMulCommand} class, which defines its specific execution logic.</p>
@@ -205,8 +204,7 @@ public class VMOpCode {
      * <p>This opcode is a fundamental arithmetic operation within the virtual machine's instruction set,
      * primarily used to handle basic long64 multiplication tasks.</p>
      */
-    public static final int L_MUL = 13;
+    public static final int L_MUL = 12;
-
     /**
      * L_DIV Opcode: Represents the long64 division operation in the virtual machine.
      * <p>This opcode is implemented by the {@link LDivCommand} class, which defines its specific execution logic.</p>
@@ -222,8 +220,7 @@ public class VMOpCode {
      * <p>This opcode is a fundamental arithmetic operation within the virtual machine's instruction set,
      * primarily used to handle basic long64 division tasks.</p>
      */
-    public static final int L_DIV = 14;
+    public static final int L_DIV = 13;
-
     /**
      * L_MOD Opcode: Represents the long64 modulus (remainder) operation in the virtual machine.
      * <p>This opcode is implemented by the {@link LModCommand} class, which defines its specific execution logic.</p>
@@ -239,8 +236,7 @@ public class VMOpCode {
      * <p>This opcode is a fundamental arithmetic operation within the virtual machine's instruction set,
      * primarily used to handle basic long64 modulus (remainder) tasks.</p>
      */
-    public static final int L_MOD = 15;
+    public static final int L_MOD = 14;
-
     /**
      * L_INC Opcode: Represents the long64 increment operation for a local variable in the virtual machine.
      * <p>This opcode is implemented by the {@link LIncCommand} class, which defines its specific execution logic.</p>
@@ -257,9 +253,7 @@ public class VMOpCode {
      *
      * <p>This opcode is particularly useful for optimizing scenarios where a local `long64` variable, such as a counter or loop index, is frequently incremented.</p>
      */
-    public static final int L_INC = 16;
+    public static final int L_INC = 15;
-
-
     /**
      * L_NEG Opcode: Represents the long64 negation operation in the virtual machine.
      * <p>This opcode is implemented by the {@link LNegCommand} class, which defines its specific execution logic.</p>
@@ -273,9 +267,10 @@ public class VMOpCode {
      *
      * <p>This opcode is typically used to negate a long64 value, making it a fundamental operation for arithmetic logic within the virtual machine.</p>
      */
-    public static final int L_NEG = 17;
+    public static final int L_NEG = 16;
+    // endregion
 
-    // 1.3 short16 (21-30)
+    // region 1.3 short16 (20-29)
     /**
      * S_ADD Opcode: Represents the short16 addition operation in the virtual machine.
      * <p>This opcode is implemented by the {@link SAddCommand} class, which defines its specific execution logic.</p>
@@ -290,8 +285,7 @@ public class VMOpCode {
      * <p>This opcode is a fundamental arithmetic operation within the virtual machine's instruction set,
      * primarily used to handle basic short16 addition tasks.</p>
      */
-    public static final int S_ADD = 21;
+    public static final int S_ADD = 20;
-
     /**
      * S_SUB Opcode: Represents the short16 subtraction operation in the virtual machine.
      * <p>This opcode is implemented by the {@link SSubCommand} class, which defines its specific execution logic.</p>
@@ -306,8 +300,7 @@ public class VMOpCode {
      * <p>This opcode is a fundamental arithmetic operation within the virtual machine's instruction set,
      * primarily used to handle basic short16 subtraction tasks.</p>
      */
-    public static final int S_SUB = 22;
+    public static final int S_SUB = 21;
-
     /**
      * S_MUL Opcode: Represents the short16 multiplication operation in the virtual machine.
      * <p>This opcode is implemented by the {@link SMulCommand} class, which defines its specific execution logic.</p>
@@ -322,8 +315,7 @@ public class VMOpCode {
      * <p>This opcode is a fundamental arithmetic operation within the virtual machine's instruction set,
      * primarily used to handle basic short16 multiplication tasks.</p>
      */
-    public static final int S_MUL = 23;
+    public static final int S_MUL = 22;
-
     /**
      * S_DIV Opcode: Represents the short16 division operation in the virtual machine.
      * <p>This opcode is implemented by the {@link SDivCommand} class, which defines its specific execution logic.</p>
@@ -339,8 +331,7 @@ public class VMOpCode {
      * <p>This opcode is a fundamental arithmetic operation within the virtual machine's instruction set,
      * primarily used to handle basic short16 division tasks.</p>
      */
-    public static final int S_DIV = 24;
+    public static final int S_DIV = 23;
-
     /**
      * S_MOD Opcode: Represents the short16 modulus (remainder) operation in the virtual machine.
      * <p>This opcode is implemented by the {@link SModCommand} class, which defines its specific execution logic.</p>
@@ -356,8 +347,7 @@ public class VMOpCode {
      * <p>This opcode is a fundamental arithmetic operation within the virtual machine's instruction set,
      * primarily used to handle basic short16 modulus (remainder) tasks.</p>
      */
-    public static final int S_MOD = 25;
+    public static final int S_MOD = 24;
-
     /**
      * S_INC Opcode: Represents the short16 increment operation in the virtual machine.
      * <p>This opcode is implemented by the {@link SIncCommand} class, which defines its specific execution logic.</p>
@@ -375,8 +365,7 @@ public class VMOpCode {
      * <p>This opcode is useful for scenarios where a local variable needs to be incremented, such as counters within loops,
      * or for optimizing the modification of variables in tight loops.</p>
      */
-    public static final int S_INC = 26;
+    public static final int S_INC = 25;
-
     /**
      * S_NEG Opcode: Represents the short16 negation operation in the virtual machine.
      * <p>This opcode is implemented by the {@link SNegCommand} class, which defines its specific execution logic.</p>
@@ -390,9 +379,10 @@ public class VMOpCode {
      *
      * <p>This opcode is typically used to negate a short16 value, making it a fundamental operation for arithmetic logic within the virtual machine.</p>
      */
-    public static final int S_NEG = 27;
+    public static final int S_NEG = 26;
+    // endregion
 
-    // 1.4 byte8 (31-40)
+    // region 1.4 byte8 (31-40)
     /**
      * B_ADD Opcode: Represents the byte8 addition operation in the virtual machine.
      * <p>This opcode is implemented by the {@link BAddCommand} class, which defines its specific execution logic.</p>
@@ -408,7 +398,6 @@ public class VMOpCode {
      * primarily used to handle basic byte8 addition tasks.</p>
      */
     public static final int B_ADD = 31;
-
     /**
      * B_SUB Opcode: Represents the byte8 subtraction operation in the virtual machine.
      * <p>This opcode is implemented by the {@link BSubCommand} class, which defines its specific execution logic.</p>
@@ -424,7 +413,6 @@ public class VMOpCode {
      * primarily used to handle basic byte8 subtraction tasks.</p>
      */
     public static final int B_SUB = 32;
-
     /**
      * B_MUL Opcode: Represents the byte8 multiplication operation in the virtual machine.
      * <p>This opcode is implemented by the {@link BMulCommand} class, which defines its specific execution logic.</p>
@@ -440,7 +428,6 @@ public class VMOpCode {
      * primarily used to handle basic byte8 multiplication tasks.</p>
      */
     public static final int B_MUL = 33;
-
     /**
      * B_DIV Opcode: Represents the byte8 division operation in the virtual machine.
      * <p>This opcode is implemented by the {@link BDivCommand} class, which defines its specific execution logic.</p>
@@ -457,7 +444,6 @@ public class VMOpCode {
      * primarily used to handle basic byte8 division tasks.</p>
      */
     public static final int B_DIV = 34;
-
     /**
      * B_MOD Opcode: Represents the byte8 modulus (remainder) operation in the virtual machine.
      * <p>This opcode is implemented by the {@link BModCommand} class, which defines its specific execution logic.</p>
@@ -474,7 +460,6 @@ public class VMOpCode {
      * primarily used to handle basic byte8 modulus (remainder) tasks.</p>
      */
     public static final int B_MOD = 35;
-
     /**
      * B_INC Opcode: Represents the byte8 increment operation for a local variable in the virtual machine.
      * <p>This opcode is implemented by the {@link BIncCommand} class, which defines its specific execution logic.</p>
@@ -492,8 +477,6 @@ public class VMOpCode {
      * <p>This opcode is particularly useful for optimizing scenarios where a local `byte8` variable, such as a counter or loop index, is frequently incremented.</p>
      */
     public static final int B_INC = 36;
-
-
     /**
      * B_NEG Opcode: Represents the byte8 negation operation in the virtual machine.
      * <p>This opcode is implemented by the {@link BNegCommand} class, which defines its specific execution logic.</p>
@@ -508,8 +491,9 @@ public class VMOpCode {
      * <p>This opcode is typically used to negate a byte8 value, making it a fundamental operation for arithmetic logic within the virtual machine.</p>
      */
     public static final int B_NEG = 37;
+    // endregion
 
-    // 1.5 double64 (41-50)
+    // region 1.5 double64 (41-50)
     /**
      * D_ADD Opcode: Represents the double64 precision floating-point addition operation in the virtual machine.
      * <p>This opcode is implemented by the {@link DAddCommand} class, which defines its specific execution logic.</p>
@@ -525,7 +509,6 @@ public class VMOpCode {
      * primarily used to handle basic double64 precision floating-point addition tasks.</p>
      */
     public static final int D_ADD = 41;
-
     /**
      * D_SUB Opcode: Represents the double64 precision floating-point subtraction operation in the virtual machine.
      * <p>This opcode is implemented by the {@link DSubCommand} class, which defines its specific execution logic.</p>
@@ -541,7 +524,6 @@ public class VMOpCode {
      * primarily used to handle basic double64 precision floating-point subtraction tasks.</p>
      */
     public static final int D_SUB = 42;
-
     /**
      * D_MUL Opcode: Represents the double64 precision floating-point multiplication operation in the virtual machine.
      * <p>This opcode is implemented by the {@link DMulCommand} class, which defines its specific execution logic.</p>
@@ -557,7 +539,6 @@ public class VMOpCode {
      * primarily used to handle basic double64 precision floating-point multiplication tasks.</p>
      */
     public static final int D_MUL = 43;
-
     /**
      * D_DIV Opcode: Represents the double64 precision floating-point division operation in the virtual machine.
      * <p>This opcode is implemented by the {@link DDivCommand} class, which defines its specific execution logic.</p>
@@ -574,7 +555,6 @@ public class VMOpCode {
      * primarily used to handle basic double64 precision floating-point division tasks.</p>
      */
     public static final int D_DIV = 44;
-
     /**
      * D_MOD Opcode: Represents the double64 precision floating-point modulus (remainder) operation in the virtual machine.
      * <p>This opcode is implemented by the {@link DModCommand} class, which defines its specific execution logic.</p>
@@ -591,7 +571,6 @@ public class VMOpCode {
      * primarily used to handle basic double64 precision floating-point modulus (remainder) tasks.</p>
      */
     public static final int D_MOD = 45;
-
     /**
      * D_INC Opcode: Represents the double64 increment operation for a local variable in the virtual machine.
      * <p>This opcode is implemented by the {@link DIncCommand} class, which defines its specific execution logic.</p>
@@ -609,7 +588,6 @@ public class VMOpCode {
      * <p>This opcode is particularly useful for optimizing scenarios where a local `double64` variable, such as a counter or loop index, is frequently incremented.</p>
      */
     public static final int D_INC = 46;
-
     /**
      * D_NEG Opcode: Represents the double64 precision floating-point negation operation in the virtual machine.
      * <p>This opcode is implemented by the {@link DNegCommand} class, which defines its specific execution logic.</p>
@@ -624,8 +602,9 @@ public class VMOpCode {
      * <p>This opcode is typically used to negate a double64 precision floating-point value, making it a fundamental operation for double64 precision arithmetic logic within the virtual machine.</p>
      */
     public static final int D_NEG = 47;
+    // endregion
 
-    // 1.6 float32 (51-60)
+    // region 1.6 float32 (51-60)
     /**
      * F_ADD Opcode: Represents the float32 addition operation in the virtual machine.
      * <p>This opcode is implemented by the {@link FAddCommand} class, which defines its specific execution logic.</p>
@@ -720,7 +699,6 @@ public class VMOpCode {
      * <p>This opcode is particularly useful for optimizing scenarios where a local `float32` variable, such as a counter or loop index, is frequently incremented.</p>
      */
     public static final int F_INC = 56;
-
     /**
      * F_NEG Opcode: Represents the float32 negation operation in the virtual machine.
      * <p>This opcode is implemented by the {@link FNegCommand} class, which defines its specific execution logic.</p>
@@ -735,7 +713,10 @@ public class VMOpCode {
      * <p>This opcode is typically used to negate a float32 value, making it a fundamental operation for float32 arithmetic logic within the virtual machine.</p>
      */
     public static final int F_NEG = 57;
+    // endregion
+    // endregion
 
+    // region 2. Type Conversion Operation
     /**
      * I2L Opcode: Represents the type conversion operation from int32 to long64 in the virtual machine.
      * <p>This opcode is implemented by the {@link I2LCommand} class, which defines its specific execution logic.</p>
@@ -750,7 +731,6 @@ public class VMOpCode {
      * <p>This opcode is commonly used to widen an int32 value to a long64 type to accommodate larger numeric ranges.</p>
      */
     public static final int I2L = 61;
-
     /**
      * I2S Opcode: Represents the type conversion operation from int32 to short16 in the virtual machine.
      * <p>This opcode is implemented by the {@link I2SCommand} class, which defines its specific execution logic.</p>
@@ -765,7 +745,6 @@ public class VMOpCode {
      * <p>This opcode is typically used to narrow an int32 value to a short16 type when a smaller data representation is needed.</p>
      */
     public static final int I2S = 62;
-
     /**
      * I2B Opcode: Represents the type conversion operation from int32 to byte8 in the virtual machine.
      * <p>This opcode is implemented by the {@link I2BCommand} class, which defines its specific execution logic.</p>
@@ -780,7 +759,6 @@ public class VMOpCode {
      * <p>This opcode is used to narrow an int32 value to a byte8 type, suitable when a smaller numeric type is required.</p>
      */
     public static final int I2B = 63;
-
     /**
      * I2D Opcode: Represents the type conversion operation from int32 to double64 in the virtual machine.
      * <p>This opcode is implemented by the {@link I2DCommand} class, which defines its specific execution logic.</p>
@@ -795,7 +773,6 @@ public class VMOpCode {
      * <p>This opcode is used to widen an int32 value to a double64 type, providing high-precision floating-point calculations.</p>
      */
     public static final int I2D = 64;
-
     /**
      * I2F Opcode: Represents the type conversion operation from int32 to float32 in the virtual machine.
      * <p>This opcode is implemented by the {@link I2FCommand} class, which defines its specific execution logic.</p>
@@ -810,7 +787,6 @@ public class VMOpCode {
      * <p>This opcode is used to convert an int32 value to a float32 type when floating-point arithmetic is required.</p>
      */
     public static final int I2F = 65;
-
     /**
      * L2I Opcode: Represents the type conversion operation from long64 to int32 in the virtual machine.
      * <p>This opcode is implemented by the {@link L2ICommand} class, which defines its specific execution logic.</p>
@@ -825,7 +801,6 @@ public class VMOpCode {
      * <p>This opcode is typically used to narrow a long64 value to an int32 type for further integer operations.</p>
      */
     public static final int L2I = 66;
-
     /**
      * L2D Opcode: Represents the type conversion operation from long64 to double64 in the virtual machine.
      * <p>This opcode is implemented by the {@link L2DCommand} class, which defines its specific execution logic.</p>
@@ -975,11 +950,10 @@ public class VMOpCode {
      * <p>This opcode is used to widen a byte8 value to an int32 type to ensure compatibility with integer-based operations.</p>
      */
     public static final int B2I = 76;
+    // endregion
 
-
+    // region 2. Bitwise Operations (81–90)
-
+    // region 2.1 int32 (81-85)
-    // 2.  Bitwise Operations (81–90)
-    // 2.1 int32 (81-85)
     /**
      * I_AND Opcode: Represents the int32 bitwise AND operation in the virtual machine.
      * <p>This opcode is implemented by the {@link IAndCommand} class, which defines its specific execution logic.</p>
@@ -1039,7 +1013,8 @@ public class VMOpCode {
      */
     public static final int I_XOR = 83;
 
-    // 2.2 Long64 (86-90)
+    // endregion
+    // region 2.2 Long64 (86-90)
     /**
      * L_AND Opcode: Represents the long64 bitwise AND operation in the virtual machine.
      * <p>This opcode is implemented by the {@link LAndCommand} class, which defines its specific execution logic.</p>
@@ -1100,8 +1075,10 @@ public class VMOpCode {
     public static final int L_XOR = 88;
 
 
-    // 3. Control Flow Operations (91–110)
+    // endregion
-    // 3.1 JUMP (91-91)
+    // endregion
+    // region 3. Control Flow Operations (91–110)
+    // region 3.1 JUMP (91-91)
     /**
      * JUMP Opcode: Represents an unconditional jump to a target instruction address.
      * <p>This opcode is implemented by the {@link JumpCommand} class, which defines its specific execution logic.</p>
@@ -1121,7 +1098,9 @@ public class VMOpCode {
      * </ul>
      */
     public static final int JUMP = 91;
-    // 3.2 int32 (92-97)
+
+    // endregion
+    // region 3.2 int32 (92-97)
     /**
      * IC_E Opcode: Represents a conditional jump based on int32 equality.
      * <p>This opcode is implemented by the {@link ICECommand} class, which defines its specific execution logic.</p>
@@ -1248,7 +1227,9 @@ public class VMOpCode {
      * </ul>
      */
     public static final int IC_LE = 97;
-    // 3.3 long64 (98-103)
+
+    // endregion
+    // region 3.3 long64 (98-103)
     /**
      * LC_E Opcode: Represents a conditional jump based on long64 equality.
      * <p>This opcode is implemented by the {@link ICECommand} class, which defines its specific execution logic.</p>
@@ -1376,8 +1357,10 @@ public class VMOpCode {
      */
     public static final int LC_LE = 103;
 
-    // 4.  Stack Operations (111–150)
+    // endregion
-    // 4.1 PUSH (111-120)
+    // endregion
+    // region 4. Stack Operations (111–150)
+    // region 4.1 PUSH (111-120)
     /**
      * I_PUSH Opcode: Represents a stack operation that pushes an int32 value onto the operand stack.
      * <p>This opcode is implemented by the {@link IPushCommand} class, which defines its specific execution logic.</p>
@@ -1492,6 +1475,8 @@ public class VMOpCode {
      * </ul>
      */
     public static final int F_PUSH = 116;
+    // endregion
+    // region 4.2 POP (121-125)
     /**
      * I_POP Opcode: Represents a stack operation that removes the top element from the operand stack.
      * <p>This opcode is implemented by the {@link PopCommand} class, which defines its specific execution logic.</p>
@@ -1510,8 +1495,9 @@ public class VMOpCode {
      *     <li>Ensuring stack balance during function calls or control flow transitions.</li>
      * </ul>
      */
-    // 4.2 POP (121-125)
     public static final int POP = 121;
+    // endregion
+    // region 4.3 DUP (126-130)
     /**
      * DUP Opcode: Represents a stack operation that duplicates the top element of the operand stack.
      * <p>This opcode is implemented by the {@link DupCommand} class, which defines its specific execution logic.</p>
@@ -1530,8 +1516,11 @@ public class VMOpCode {
      *     <li>Managing stack balance when performing operations that require repeated access to the same data.</li>
      * </ul>
      */
-    // 4.3 DUP (126-130)
+
     public static final int DUP = 126;
+    // endregion
+
+    // region 4.4 SWAP (131-135)
     /**
      * SWAP Opcode: Represents a stack operation that swaps the top two values of the operand stack.
      * <p>This opcode is implemented by the {@link SwapCommand} class, which defines its specific execution logic.</p>
@@ -1551,10 +1540,11 @@ public class VMOpCode {
      *     <li>Ensuring proper operand placement for later instructions that depend on the order of stack elements.</li>
      * </ul>
      */
-    // 4.4 SWAP (131-135)
     public static final int SWAP = 131;
+    // endregion
 
-    // 5. Memory Operations (151–)
+    // endregion
+    // region 5. Memory Operations (151–166)
     /**
      * I_STORE Opcode: Represents a store operation that saves an int32 value from the operand stack into the local variable store.
      *
@@ -1576,8 +1566,6 @@ public class VMOpCode {
      * </ul>
      */
     public static final int I_STORE = 151;
-
-
     /**
      * L_STORE Opcode: Represents a store operation that stores a long64 value from the operand stack into the local variable store.
      * <p>This opcode is implemented by the {@link LStoreCommand} class, which defines its specific execution logic.</p>
@@ -1598,8 +1586,6 @@ public class VMOpCode {
      * </ul>
      */
     public static final int L_STORE = 152;
-
-
     /**
      * S_STORE Opcode: Represents a store operation that stores a short16 value from the operand stack into the local variable store.
      * <p>This opcode is implemented by the {@link SStoreCommand} class, which defines its specific execution logic.</p>
@@ -1620,8 +1606,6 @@ public class VMOpCode {
      * </ul>
      */
     public static final int S_STORE = 153;
-
-
     /**
      * B_STORE Opcode: Represents a store operation that stores a byte8 value from the operand stack into the local variable store.
      * <p>This opcode is implemented by the {@link BStoreCommand} class, which defines its specific execution logic.</p>
@@ -1642,8 +1626,6 @@ public class VMOpCode {
      * </ul>
      */
     public static final int B_STORE = 154;
-
-
     /**
      * D_STORE Opcode: Represents a store operation that stores a double64 value from the operand stack into the local variable store.
      * <p>This opcode is implemented by the {@link DStoreCommand} class, which defines its specific execution logic.</p>
@@ -1664,7 +1646,6 @@ public class VMOpCode {
      * </ul>
      */
     public static final int D_STORE = 155;
-
     /**
      * F_STORE Opcode: Represents a store operation that stores a float32 value from the operand stack into the local variable store.
      * <p>This opcode is implemented by the {@link FStoreCommand} class, which defines its specific execution logic.</p>
@@ -1685,8 +1666,6 @@ public class VMOpCode {
      * </ul>
      */
     public static final int F_STORE = 156;
-
-
     /**
      * I_LOAD Opcode: Represents a load operation that retrieves an int32 value from the local variable store and pushes it onto the operand stack.
      * <p>This opcode is implemented by the {@link ILoadCommand} class, which defines its specific execution logic.</p>
@@ -1828,6 +1807,8 @@ public class VMOpCode {
      * </ul>
      */
     public static final int MOV = 171;
+    // endregion
+    // region 6. Function Call
     /**
      * CALL Opcode: Represents a function or subroutine call operation that transfers control to a specified function address.
      * <p>This opcode is implemented by the {@link CallCommand} class, which defines its specific execution logic.</p>
@@ -1885,9 +1866,7 @@ public class VMOpCode {
      * </ul>
      */
     public static final int HALT = 255;
-
+    // endregion
-
-    // VI. Function Operations (50–59)
 
     /**
      * Default constructor for creating an instance of VMOpCode.