Function new_m320 

pub fn new_m320(
    prg_rom: Box<[u8]>,
    chr_rom: Box<[u8]>,
    mirroring: Mirroring,
) -> Result<SimpleBmc, MapperError>

Mapper 320 (BMC-830425C-4391T UNROM/UOROM multicart).

Errors

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