// If the instructions LSB is '1', then set the setsCR0
internal static bool C(uint wInstr, PowerPcDisassembler dasm)
{
dasm.allowSetCR0 = (wInstr & 1) != 0;
return(true);
}
// Force the setsCR0 flag to '1'.
internal static bool CC(uint uInstr, PowerPcDisassembler dasm)
{
dasm.allowSetCR0 = true;
return(true);
}
// Unsigned integer in bottom 16 bits of instruction.
internal static bool U(uint wInstr, PowerPcDisassembler dasm)
{
dasm.ops.Add(new ImmediateOperand(Constant.Word16((ushort)wInstr)));
return(true);
}
internal static bool Is64Bit(uint wInstr, PowerPcDisassembler dasm)
{
return(dasm.defaultWordWidth.BitSize == 64);
}
public override PowerPcInstruction Decode(PowerPcDisassembler dasm, uint wInstr)
{
EmitUnitTest(wInstr);
return(dasm.CreateInvalidInstruction());
}
public override PowerPcInstruction Decode(PowerPcDisassembler dasm, uint wInstr)
{
var bitfield = (wInstr >> shift) & mask;
return(decoders[bitfield].Decode(dasm, wInstr));
}
public abstract PowerPcInstruction Decode(PowerPcDisassembler dasm, uint wInstr);
public override PowerPcInstruction Decode(PowerPcDisassembler dasm, uint wInstr)
{
return(xDecoders[(wInstr >> 1) & 0x3FF].Decode(dasm, wInstr));
}
public override PowerPcInstruction Decode(PowerPcDisassembler dasm, uint wInstr)
{
return(decoder(dasm, wInstr));
}
public override PowerPcInstruction Decode(PowerPcDisassembler dasm, uint wInstr)
{
return(DecodeOperands(wInstr, dasm, iclass, mnemonic, mutators));
}
public override PowerPcInstruction Decode(uint wInstr, PowerPcDisassembler dasm)
{
return(dasm.CreateInvalidInstruction());
}
public override PowerPcInstruction Decode(uint wInstr, PowerPcDisassembler dasm)
{
return(xDecoders[(wInstr >> 1) & 0x3FF].Decode(wInstr, dasm));
}
public override PowerPcInstruction Decode(PowerPcDisassembler dasm, uint wInstr)
{
EmitUnitTest(wInstr);
return(new PowerPcInstruction(Opcode.illegal));
}
public override PowerPcInstruction Decode(PowerPcDisassembler dasm, uint wInstr)
{
return(dasm.DecodeOperands(opcode, wInstr, opFmt));
}
public override PowerPcInstruction Decode(uint wInstr, PowerPcDisassembler dasm)
{
return(dasm.NotYetImplemented(message));
}
