using System;
using CPUx86 = Indy.IL2CPU.Assembler.X86;

namespace Cosmos.IL2CPU.X86.IL
{
	[Cosmos.IL2CPU.OpCode(ILOpCode.Code.Shl)]
	public class Shl: ILOp
	{
		public Shl(Cosmos.IL2CPU.Assembler aAsmblr):base(aAsmblr)
		{
		}

    public override void Execute(uint aMethodUID, ILOpCode aOpCode) {
      new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX }; // shift amount
      var xStackItem_ShiftAmount = OldAsmblr.StackContents.Pop();
      new CPUx86.Pop { DestinationReg = CPUx86.Registers.EDX }; // value
      var xStackItem_Value = OldAsmblr.StackContents.Pop();
      new CPUx86.Move { DestinationReg = CPUx86.Registers.EBX, SourceValue = 0 };
      new CPUx86.Move { DestinationReg = CPUx86.Registers.CL, SourceReg = CPUx86.Registers.AL };
      new CPUx86.ShiftLeft { DestinationReg = CPUx86.Registers.EDX, SourceReg = CPUx86.Registers.CL };
      new CPUx86.Push { DestinationReg = CPUx86.Registers.EDX };
      OldAsmblr.StackContents.Push(xStackItem_Value);
    }
    
	}
}