Cosmos/source2/IL2PCU/Cosmos.IL2CPU.X86/IL/Dup.cs
2009-07-29 05:48:10 +00:00

23 lines
778 B
C#

using System;
using CPUx86 = Indy.IL2CPU.Assembler.X86;
namespace Cosmos.IL2CPU.X86.IL
{
[Cosmos.IL2CPU.OpCode(ILOpCode.Code.Dup)]
public class Dup: ILOp
{
public Dup(Cosmos.IL2CPU.Assembler aAsmblr):base(aAsmblr)
{
}
public override void Execute(MethodInfo aMethod, ILOpCode aOpCode) {
var xStackContent = OldAsmblr.StackContents.Peek();
for (int i = 0; i < ((xStackContent.Size / 4) + (xStackContent.Size % 4 == 0 ? 0 : 1)); i++) {
new CPUx86.Move { DestinationReg = CPUx86.Registers.EAX, SourceReg = CPUx86.Registers.ESP, SourceDisplacement = i * 4, SourceIsIndirect = true };
new CPUx86.Push { DestinationReg = CPUx86.Registers.EAX };
}
OldAsmblr.StackContents.Push(xStackContent);
}
}
}