Function new_m46 

pub fn new_m46(
    prg_rom: Box<[u8]>,
    chr_rom: Box<[u8]>,
    mirroring: Mirroring,
) -> Result<DiscreteMapper, MapperError>

Mapper 46 (Color Dreams Rumble Station 15-in-1).

Errors

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