Cosmos/source2/IL2PCU/Cosmos.IL2CPU.X86/X86/x87/FloatCompare.cs

57 lines
No EOL
2.2 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Cosmos.IL2CPU.X86.x87
{
[OpCode("fcom")]
public class FloatCompare : InstructionWithDestinationAndSize
{
public static void InitializeEncodingData(Instruction.InstructionData aData)
{
aData.EncodingOptions.Add(new InstructionData.InstructionEncodingOption
{
OpCode = new byte[] { 0xD8 },
NeedsModRMByte = true,
InitialModRMByteValue = 2,
DestinationImmediate = false,
DestinationMemory = true,
DestinationReg = null,
SourceEmpty=true,
AllowedSizes=InstructionSizes.DWord,
DefaultSize=InstructionSize.DWord
});
aData.EncodingOptions.Add(new InstructionData.InstructionEncodingOption
{
OpCode = new byte[] { 0xDC },
NeedsModRMByte = true,
InitialModRMByteValue = 2,
DestinationImmediate = false,
DestinationMemory = true,
DestinationReg = null,
SourceEmpty=true,
AllowedSizes = InstructionSizes.QWord,
DefaultSize = InstructionSize.QWord
});
aData.EncodingOptions.Add(new InstructionData.InstructionEncodingOption
{
OpCode = new byte[] { 0xD8, 0xD0 },
NeedsModRMByte = true,
InitialModRMByteValue = 2,
DestinationImmediate = false,
DestinationMemory = false,
DestinationReg = RegistersEnum.ST0 | RegistersEnum.ST1 | RegistersEnum.ST2 | RegistersEnum.ST3 | RegistersEnum.ST4 | RegistersEnum.ST5 | RegistersEnum.ST6 | RegistersEnum.ST7,
SourceEmpty=true
});
aData.EncodingOptions.Add(new InstructionData.InstructionEncodingOption
{
OpCode = new byte[] { 0xD8, 0xD1 },
NeedsModRMByte = true,
InitialModRMByteValue = 2,
DestinationEmpty=true,
SourceEmpty=true
});
}
}
}