static UInt8 readIo(RomMapperSvi328Col80* svi328col80, UInt16 ioPort) { switch (ioPort) { case 0x51: return crtcRead(svi328col80->crtc6845); case 0x58: // svi328col80->memBankCtrl = 1; break; } return 0xff; }
static UInt8 readIo(RomMapperSvi727* rm, UInt16 ioPort) { UInt8 value = crtcRead(rm->crtc6845); return value; }