see Bank Switching
There are 32 4K banks (total of 128K ROM) with 128 bytes of RAM.
Accessing $1FC0 - $1FDF switches to each bank.
RAM read port is $1080 - $10FF, write port is $1000 - $107F.
see Bank Switching
There are 32 4K banks (total of 128K ROM) with 128 bytes of RAM.
Accessing $1FC0 - $1FDF switches to each bank.
RAM read port is $1080 - $10FF, write port is $1000 - $107F.