mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-22 22:09:12 +00:00
36 lines
No EOL
1.3 KiB
C#
36 lines
No EOL
1.3 KiB
C#
using System;
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using System.IO;
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using Mono.Cecil;
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using Mono.Cecil.Cil;
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using CPUx86 = Indy.IL2CPU.Assembler.X86;
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using CPU = Indy.IL2CPU.Assembler;
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namespace Indy.IL2CPU.IL.X86 {
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[OpCode(Code.Clt)]
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public class Clt: Op {
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private readonly string NextInstructionLabel;
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private readonly string CurInstructionLabel;
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public Clt(Mono.Cecil.Cil.Instruction aInstruction, MethodInformation aMethodInfo)
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: base(aInstruction, aMethodInfo) {
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NextInstructionLabel = GetInstructionLabel(aInstruction.Next);
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CurInstructionLabel = GetInstructionLabel(aInstruction);
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}
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public override void DoAssemble() {
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string BaseLabel = CurInstructionLabel + "__";
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string LabelTrue = BaseLabel + "True";
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string LabelFalse = BaseLabel + "False";
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Assembler.Add(new CPUx86.Pop("eax"));
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Assembler.Add(new CPUx86.Compare("eax", "[esp]"));
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Assembler.Add(new CPUx86.JumpIfLess(LabelTrue));
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Assembler.Add(new CPUx86.JumpAlways(LabelFalse));
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Assembler.Add(new CPU.Label(LabelTrue));
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Assembler.Add(new CPUx86.Add("esp", "4"));
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Assembler.Add(new CPUx86.Push("01h"));
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Assembler.Add(new CPUx86.JumpAlways(NextInstructionLabel));
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Assembler.Add(new CPU.Label(LabelFalse));
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Assembler.Add(new CPUx86.Add("esp", "4"));
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Assembler.Add(new CPUx86.Push("00h"));
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Assembler.Add(new CPUx86.JumpAlways(NextInstructionLabel));
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}
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}
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} |