Generally speaking, writing your own games for retro consoles starts with C code. You’ll need to feed that through a console-specific tool-chain, and there’s certainly going to be some hoops to jump ...
There's more to the story than the alphabet.
Embedded systems have changed a lot in the last 15 years. But until recently a basic building block – the C language – has not kept up. It’s time to start paying more attention to the newest C11 ...