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(byte value)
{
Registers.Flags.S = Alu.IsNegative(value);
Registers.Flags.Z = Alu.IsZero(value);
Registers.Flags.H = false;
Registers.Flags.PV = Registers.Interrupt.IFF2;
Registers.Flags.N = false;
}
protected virtual void MoveNext()
{
if (IsDecrement)
{
Registers.HL--;
}
else
{
Registers.HL++;
}
Registers.B--;
Registers.Flags.Z = Alu.IsZero(Registers.B);
Registers.Flags.N = true;
}
protected override void MoveNext()
{
if (IsDecrement)
{
Registers.DE--;
Registers.HL--;
}
else
{
Registers.DE++;
Registers.HL++;
}
Registers.BC--;
Registers.Flags.Z = Alu.IsZero(Registers.B) && Alu.IsZero(Registers.C);
Registers.Flags.H = true;
Registers.Flags.N = true;
}
