public override IntelInstruction Decode(X86Disassembler disasm, byte op, string opFormat)
{
if (disasm.f2PrefixSeen)
{
return(disasm.DecodeOperands(this.opF2, op, opF2Fmt));
}
else if (disasm.f3PrefixSeen)
{
return(disasm.DecodeOperands(this.opF3, op, opF3Fmt));
}
else if (disasm.dataSizeOverride)
{
if (disasm.useRexPrefix && (disasm.rexPrefix & 8) != 0)
{
return(disasm.DecodeOperands(this.op66Wide, op, op66Fmt));
}
else
{
return(disasm.DecodeOperands(this.op66, op, op66Fmt));
}
}
else
{
if (disasm.useRexPrefix && (disasm.rexPrefix & 8) != 0)
{
return(disasm.DecodeOperands(this.opWide, op, opFmt));
}
else
{
return(disasm.DecodeOperands(this.op, op, opFmt));
}
}
}
public override IntelInstruction Decode(X86Disassembler disasm, byte op, string opFormat)
{
if (disasm.rdr.PeekByte(0) == 0x0F)
{
disasm.f2PrefixSeen = true;
if (!disasm.rdr.TryReadByte(out op))
{
return(null);
}
return(s_aOpRec[op].Decode(disasm, op, opFormat));
}
return(disasm.DecodeOperands(Opcode.repne, 0xF2, opFormat));
}
public override IntelInstruction Decode(X86Disassembler disasm, byte op, string opFormat)
{
byte b = disasm.rdr.PeekByte(0);
if (b == 0x0F)
{
disasm.f3PrefixSeen = true;
if (!disasm.rdr.TryReadByte(out op))
{
return(null);
}
return(s_aOpRec[op].Decode(disasm, op, opFormat));
}
if (b == 0xC3)
{
op = disasm.rdr.ReadByte();
return(s_aOpRec[b].Decode(disasm, op, opFormat));
}
return(disasm.DecodeOperands(Opcode.rep, 0xF3, opFormat));
}
public override IntelInstruction Decode(X86Disassembler disasm, byte op, string opFormat)
{
return(disasm.DecodeOperands(opcode, op, opFormat + format));
}