Cosmos/source/Indy.IL2CPU/IL/x86/Shl.cs

using System;

using CPUx86 = Indy.IL2CPU.Assembler.X86;

namespace Indy.IL2CPU.IL.X86 {
	[OpCode(OpCodeEnum.Shl)]
	public class Shl: Op {
		public Shl(ILReader aReader, MethodInformation aMethodInfo)
			: base(aReader, aMethodInfo) {
		}
		public override void DoAssemble() {
			new CPUx86.Pop{DestinationReg=CPUx86.Registers.EAX}; // shift amount
			var xStackItem_ShiftAmount = Assembler.StackContents.Pop();
            new CPUx86.Pop { DestinationReg = CPUx86.Registers.EDX }; // value
			var xStackItem_Value = Assembler.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.EBX };
            new CPUx86.Push { DestinationReg = CPUx86.Registers.EDX };
			Assembler.StackContents.Push(xStackItem_Value);
		}
	}
}