protected override void OnLastCycleLastM()
{
base.OnLastCycleLastM();
var value = _inputPart.Data.Value;
Registers.Flags.S = Alu.IsNegative(value);
Registers.Flags.Z = Alu.IsZero(value);
Registers.Flags.H = false;
Registers.Flags.PV = Alu.IsParityEven(value);
Registers.Flags.N = false;
if (IsIndirect)
{
Registers.A = value;
}
else
{
var reg = ExecutionEngine.Opcode.Definition.Register8FromY;
if (reg != Register8Table.HL)
{
Registers[reg] = value;
}
}
}
private void SetFlags()
{
Registers.Flags.N = (_readPart.Data.Value & (1 << 7)) != 0;
// undocumented p16
var temp = _readPart.Data.Value + Registers.L;
Registers.Flags.H = Registers.Flags.C = (temp > 0xFF);
Registers.Flags.PV = Alu.IsParityEven((byte)((temp & 7) ^ Registers.B));
}
private void SetFlags()
{
Registers.Flags.N = (_writePart.Data.Value & (1 << 7)) != 0;
// undocumented p16/p17
byte adjustedC = (byte)(Registers.C + (IsDecrement ? -1 : 1));
var temp = _writePart.Data.Value + adjustedC;
Registers.Flags.H = Registers.Flags.C = (temp > 0xFF);
Registers.Flags.PV = Alu.IsParityEven((byte)((temp & 7) ^ Registers.B));
}
