Cosmos/source/Indy.IL2CPU/Assembler/x86/Add.cs
mterwoord_cp e7d4c48dec
2008-11-16 11:55:53 +00:00

49 lines
No EOL
2.2 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Indy.IL2CPU.Assembler.X86 {
[OpCode("add")]
public class Add: InstructionWithDestinationAndSourceAndSize {
public static void InitializeEncodingData(Instruction.InstructionData aData) {
aData.EncodingOptions.Add(new InstructionData.InstructionEncodingOption {
OpCode = new byte[] { 0x04 },
AllowedSizes = InstructionSizes.Word | InstructionSizes.DWord,
DefaultSize = InstructionSize.DWord,
OperandSizeByte = 0,
DestinationReg = Registers.EAX,
SourceImmediate = true
}); // immediate to reg, shortcut for EAX/AX/AL
aData.EncodingOptions.Add(new InstructionData.InstructionEncodingOption {
OpCode = new byte[] { 0x80, 0xC0 },
AllowedSizes = InstructionSizes.Byte | InstructionSizes.Word | InstructionSizes.DWord,
DefaultSize = InstructionSize.DWord,
OperandSizeByte = 0,
DestinationReg = Guid.Empty,
DestinationRegByte = 1,
SourceImmediate = true
}); // immediate to reg
aData.EncodingOptions.Add(new InstructionData.InstructionEncodingOption {
OpCode = new byte[] { 0, 0xC0 },
AllowedSizes = InstructionSizes.DWord,
DefaultSize = InstructionSize.DWord,
OperandSizeByte = 0,
DestinationReg = Guid.Empty,
DestinationRegByte = 1,
SourceReg = Guid.Empty,
SourceRegByte = 1,
SourceRegBitShiftLeft = 3
}); // register to register
aData.EncodingOptions.Add(new InstructionData.InstructionEncodingOption {
OpCode = new byte[] { 0x80 },
NeedsModRMByte = true,
OperandSizeByte = 0,
AllowedSizes = InstructionSizes.Byte | InstructionSizes.Word | InstructionSizes.DWord,
DefaultSize = InstructionSize.DWord,
DestinationMemory = true,
SourceImmediate = true
});
}
}
}