NES 2.0 Mapper 396 denotes the 晶太 YY850437C multicart PCB, basically an UNROM mapper with an outer bank register.
Mask: unknown, probably $C000 D~7654 3210 --------- .M.. .ppp | +++- PRG A19..A17 +-------- 0: Vertical mirroring 1: Horizontal mirroring
No bus conflicts.
Mask: unkonwn, probably $C000 D~7654 3210 --------- .... .PPP +++- PRG A16..A14 if CPU A14=0
Unknown if bus conflicts occur here.
Categories: Mappers with CHR RAM, Multicart mappers