5 ms·
Oh really? What kind of I/O? Something in my foggy memory said that first word there was used to control bank switching on the GeoRam memory expansion unit.
by EdSharkey 10y ago
Oh really? What kind of I/O? Something in my foggy memory said that first word there was used to control bank switching on the GeoRam memory expansion unit.
- rzzzt 10y ago6 I/O pins are exposed, the first three bits are used for bank switching, the second three are for datasette control. https://www.c64-wiki.com/index.php/Bank_Switching#Expansion_Port https://www.c64-wiki.com/index.php/Bank_Switching#Expansion_... https://www.c64-wiki.com/index.php/Cassette_Port https://www.c64-wiki.com/index.php/Cassette_Port