mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-31 13:21:05 +00:00
33 lines
No EOL
1 KiB
C#
33 lines
No EOL
1 KiB
C#
using System;
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using Mono.Cecil.Cil;
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using CPUx86 = Indy.IL2CPU.Assembler.X86;
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namespace Indy.IL2CPU.IL.X86 {
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[OpCode(Code.Div_Un)]
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public class Div_Un: Op {
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public Div_Un(Mono.Cecil.Cil.Instruction aInstruction, MethodInformation aMethodInfo)
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: base(aInstruction, aMethodInfo) {
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}
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public override void DoAssemble() {
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int xSize = Assembler.StackSizes.Pop();
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if (xSize == 8) {
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//TODO: implement proper div support for 8byte values!
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new CPUx86.Xor(CPUx86.Registers.EDX, CPUx86.Registers.EDX);
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new CPUx86.Pop(CPUx86.Registers.ECX);
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new CPUx86.Add("esp", "4");
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new CPUx86.Pop(CPUx86.Registers.EAX);
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new CPUx86.Add("esp", "4");
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new CPUx86.Divide(CPUx86.Registers.ECX);
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new CPUx86.Push("0");
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new CPUx86.Pushd(CPUx86.Registers.EAX);
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} else {
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new CPUx86.Xor(CPUx86.Registers.EDX, CPUx86.Registers.EDX);
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new CPUx86.Pop(CPUx86.Registers.ECX);
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new CPUx86.Pop(CPUx86.Registers.EAX);
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new CPUx86.Divide(CPUx86.Registers.ECX);
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new CPUx86.Pushd(CPUx86.Registers.EAX);
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}
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}
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}
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} |