Max. 32K PRG ROM.
Max. 32K CHR ROM.
MX8018-0002-A lockout replacement
Seems to be an earlier revision of the NINA-06 board. It uses the lockout replacement chip,
and had pads on it for selecting a 27256 or 27512 ROM in both CHR and PRG positions.
There is only one register on this cart. It maps in kinda strangely.
4100-41FF, 4300-43FF, 4500-45FF ... 5F00-5FFF
C: Selects an 8K CHR ROM bank
P: Selects a 32K PRG ROM bank
CHR and PRG banks are unknown on startup. Mirroring is hardwired on cart.