private static bool Load(RegisterStore registers, Addressing addressing, out ControlFlags flags,
out ushort bus)
{
flags = Microcode[registers.InstructionRegister, registers.StepCounter, (int)registers.Flags];
bus = 0;
if (flags.Has(ControlFlags.Hlt))
{
return(true);
}
LoadBusRegisters(registers, flags, ref bus);
if (flags.Has(ControlFlags.LdMem))
{
addressing.Read(registers.RegAddr, ref bus);
}
LoadBusAlu(registers, flags.AluFlags(), ref bus);
// at this point the bus is fully loaded
return(false);
}
private static void Store(RegisterStore registers, Addressing addressing, in ControlFlags flags,