protected override void OnLastCycleLastM()
{
if (IsConditionMet())
{
Registers.PC = OpcodeByte.MakeUInt16(InstructionM2.Data, InstructionM3.Data);
}
}
protected override void OnLastCycleLastM()
{
base.OnLastCycleLastM();
if (!IsWrite)
{
var val16 = OpcodeByte.MakeUInt16(_readInstructionLo.Data, _readInstructionHi.Data);
Registers[AffectedRegisters] = val16;
}
}
private ushort GetAddress()
{
if (IsIndirect)
{
return(OpcodeByte.MakeUInt16(
_readIndirectPart.Data,
new OpcodeByte(Registers.A)));
}
return(Registers.BC);
}
protected override void OnLastCycleLastM()
{
ThrowIfNoParametersFound();
var lsb = ExecutionEngine.MultiCycleOpcode.GetParameter(0);
var msb = ExecutionEngine.MultiCycleOpcode.GetParameter(1);
var value = OpcodeByte.MakeUInt16(lsb, msb);
if (ExecutionEngine.Opcode.Definition.IsIX)
{
Registers.IX = value;
}
else if (ExecutionEngine.Opcode.Definition.IsIY)
{
Registers.IY = value;
}
else
{
Registers[ExecutionEngine.Opcode.Definition.Register16FromP] = value;
}
}
private ushort GetAddress()
{
return(OpcodeByte.MakeUInt16(InstructionM2.Data, InstructionM3.Data));
}