mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-27 22:12:25 +00:00
1af5ac6f34
[+] SignExtendAX to handle AX -> DX:AX & EAX -> EDX:EAX [+] Conversion to int8 [*] Fixed conversion to int16 [*] Fixed conversion to int64 [+] Added conversion [*] AddWithOverflow code fixed.
42 lines
No EOL
1.1 KiB
C#
42 lines
No EOL
1.1 KiB
C#
using System;
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using System.IO;
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using CPU = Indy.IL2CPU.Assembler;
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using Indy.IL2CPU.Assembler;
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using CPUx86 = Indy.IL2CPU.Assembler.X86;
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namespace Indy.IL2CPU.IL.X86 {
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[OpCode(OpCodeEnum.Conv_I1)]
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public class Conv_I1: Op {
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public Conv_I1(ILReader aReader, MethodInformation aMethodInfo)
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: base(aReader, aMethodInfo) {
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}
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public override void DoAssemble() {
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StackContent xSource = Assembler.StackContents.Pop();
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if (xSource.IsFloat)
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{
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throw new Exception("Floats not yet supported");
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}
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switch (xSource.Size)
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{
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case 1:
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new CPUx86.Noop();
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break;
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case 2:
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case 4:
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new CPUx86.Pop("eax");
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new CPUx86.MoveAndSignExtend("eax", "al");
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new CPUx86.Push("eax");
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break;
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case 8:
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new CPUx86.Pop(CPUx86.Registers.EAX);
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new CPUx86.Pop("EBX");
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new CPUx86.MoveAndSignExtend("eax", "al");
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new CPUx86.Pushd(CPUx86.Registers.EAX);
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break;
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default:
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throw new Exception("SourceSize " + xSource + " not supported!");
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}
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Assembler.StackContents.Push(new StackContent(1, true, false, true));
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}
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}
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} |