If you want to write a game console emulator, but prefer to start with something simple — I suggest to look into https://en.wikipedia.org/wiki/CHIP-8 https://en

If you want to write a game console emulator, but prefer to start with something simple — I suggest to look into https://en.wikipedia.org/wiki/CHIP-8 https://en.wikipedia.org/wiki/CHIP-8 It could be implemented in a couple of evenings in any language.