Function new_m245 

pub fn new_m245(
    prg_rom: Box<[u8]>,
    chr_rom: Box<[u8]>,
    mirroring: Mirroring,
) -> Result<Mmc3CloneMapper, MapperError>

Mapper 245 (Waixing MMC3 clone, CHR-RAM PRG-256K outer).

Errors

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