Function new_m286 

pub fn new_m286(
    prg_rom: Box<[u8]>,
    chr_rom: Box<[u8]>,
    mirroring: Mirroring,
) -> Result<SimpleBmc, MapperError>

Mapper 286 (Waixing BS-5 Olympic multicart).

Errors

MapperError::Invalid on a bad PRG/CHR size.