Posted By
Gaia on 2003-08-27
| Re: Plus4 memory map
What do you mean on RAM-expansion?
You usually bank in the RAM by writing to register $FF3F. Writing to $FF3E banks the ROMs in instead. The plus/4 has memory area that overlaps with the system ROMs between $8000-$FCFF, $FF20-$FF3D and $FF40-$FFFF.
|