Function IORead_C01x

source/Memory.cpp:579–609

//-------------------------------------

static BYTE __stdcall IORead_C01x(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nExecutedCycles)
{
	if (IS_APPLE2)	// Include Pravets machines too?
	{
		KeybClearStrobe();
		return IO_Null(pc, addr, bWrite, d, nExecutedCycles);	// GH#1261
	}

	bool res = false;
	switch (addr & 0xf)
	{
	case 0x0: return KeybReadFlag();
	case 0x1: res = SW_BANK2     ? true : false;		break;
	case 0x2: res = SW_HIGHRAM   ? true : false;		break;
	case 0x3: res = SW_AUXREAD   ? true : false;		break;
	case 0x4: res = SW_AUXWRITE  ? true : false;		break;
	case 0x5: res = SW_INTCXROM  ? true : false;		break;
	case 0x6: res = SW_ALTZP     ? true : false;		break;
	case 0x7: res = SW_SLOTC3ROM ? true : false;		break;
	case 0x8: res = SW_80STORE   ? true : false;		break;
	case 0x9: res = GetVideo().VideoGetVblBar(nExecutedCycles);	break;
	case 0xA: res = GetVideo().VideoGetSWTEXT();		break;
	case 0xB: res = GetVideo().VideoGetSWMIXED();		break;
	case 0xC: res = SW_PAGE2     ? true : false;		break;
	case 0xD: res = GetVideo().VideoGetSWHIRES();		break;
	case 0xE: res = GetVideo().VideoGetSWAltCharSet();	break;
	case 0xF: res = GetVideo().VideoGetSW80COL();		break;
	}

	return KeybGetKeycode() | (res ? 0x80 : 0);
}

static BYTE __stdcall IOWrite_C01x(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nExecutedCycles)
{