mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-20 21:08:51 +00:00
58 lines
No EOL
1.8 KiB
C#
58 lines
No EOL
1.8 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 CPUx86 = Indy.IL2CPU.Assembler.X86;
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namespace Indy.IL2CPU.IL.X86 {
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[OpCode(OpCodeEnum.Stind_I)]
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public class Stind_I: Op {
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public Stind_I(ILReader aReader, MethodInformation aMethodInfo)
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: base(aReader, aMethodInfo) {
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}
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public static void Assemble(Assembler.Assembler aAssembler, int aSize) {
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new CPU.Comment("address at: [esp + " + aSize + "]");
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int xStorageSize = aSize;
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if (xStorageSize < 4) {
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xStorageSize = 4;
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}
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new CPUx86.Move(CPUx86.Registers.EBX, "[esp + " + xStorageSize + "]");
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for (int i = 0; i < (aSize / 4); i++) {
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new CPUx86.Move(CPUx86.Registers.EAX, "[esp + " + (i * 4) + "]");
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new CPUx86.Move("[ebx + " + (i * 4) + "]", "eax");
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}
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switch (aSize % 4) {
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case 0: {
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break;
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}
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case 1: {
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new CPUx86.Move(CPUx86.Registers.EAX, "[esp + " + ((aSize / 4) * 4) + "]");
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new CPUx86.Move("[ebx + " + ((aSize / 4) * 4) + "]", "al");
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break;
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}
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case 2: {
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new CPUx86.Move(CPUx86.Registers.EAX, "[esp + " + ((aSize / 4) * 4) + "]");
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new CPUx86.Move("[ebx + " + ((aSize / 4) * 4) + "]", "ax");
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break;
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}
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case 3: {
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new CPUx86.Move(CPUx86.Registers.EAX, "[esp + " + ((aSize / 4) * 4) + "]");
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new CPUx86.Move("[ebx + " + ((aSize / 4) * 4) + "]", "ax");
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new CPUx86.Move(CPUx86.Registers.EAX, "[esp + " + (((aSize / 4) * 4) + 2) + "]");
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new CPUx86.Move("[ebx + " + (((aSize / 4) * 4) + 2) + "]", "al");
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break;
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}
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default:
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throw new Exception("Error, shouldn't occur");
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}
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new CPUx86.Add("esp", "0x" + (xStorageSize + 4).ToString("X"));
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aAssembler.StackContents.Pop();
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aAssembler.StackContents.Pop();
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}
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public override void DoAssemble() {
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Assemble(Assembler, 4);
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}
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}
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} |