you might want to look into games from the 90s to start off your "bit" training
on youtube----- watch?v=823IWWc7mag

there are plenty of video games out there that have, and can give you ideas on music you can make

but most video game music is fairly simplistic...
without the Mr. Rob Zombie singing, listen to just the background music...

that's a very basic video game loop...

good job so far though