nes => [qw( ppu 2c03 shovel )],
legacy => [qw( c64 msx1 msx2 mac2 risc cpc cpcboy nes 64 ansi88 retro )],
'4bit' => [qw( pico8 sweetie16 arnegame cgarne ansi html zxarne c64 msx2 )],
nes => [qw( ppu 2c03 shovel )],
legacy => [qw( c64 msx1 msx2 mac2 risc cpc cpcboy nes 64 ansi88 retro )],
'4bit' => [qw( pico8 sweetie16 arnegame cgarne ansi html zxarne c64 msx2 )],