public override PowerPcInstruction Decode(uint wInstr, PowerPcDisassembler dasm)
{
var key = (wInstr >> 0x4) & mask;
if (decoders.TryGetValue(key, out Decoder decoder))
{
return(decoder.Decode(wInstr, dasm));
}
else
{
Debug.Print("Unknown PowerPC VMX instruction {0:X8} {1:X2}-{2:X3} ({2})", wInstr, wInstr >> 26, key);
return(dasm.EmitUnknown(wInstr));
}
}
public override PowerPcInstruction Decode(uint wInstr, PowerPcDisassembler dasm)
{
var subOp = (wInstr & 0xFFFF) >> 3;
if (decoders.TryGetValue(subOp, out var decoder))
{
return(decoder.Decode(wInstr, dasm));
}
else
{
Debug.Print("Unknown PowerPC XX3 instruction {0:X8} {1:X2}-{2:X3} ({2})", wInstr, wInstr >> 26, subOp);
return(dasm.EmitUnknown(wInstr));
}
}
public override PowerPcInstruction Decode(uint wInstr, PowerPcDisassembler dasm)
{
var xOp = wInstr & 0x7FFu;
if (vxDecoders.TryGetValue(xOp, out Decoder decoder))
{
return(decoder.Decode(wInstr, dasm));
}
else if (vaDecoders.TryGetValue(wInstr & 0x3Fu, out decoder))
{
return(decoder.Decode(wInstr, dasm));
}
else
{
Debug.Print("Unknown PowerPC VX instruction {0:X8} {1:X2}-{2:X3} ({2})", wInstr, wInstr >> 26, xOp);
return(dasm.EmitUnknown(wInstr));
}
}