Starting a new project on the Commodore 128: the game Worm, an old game for text-based terminals. In this first part, we lay out the screen border and write the code to move the head of the worm around. The next part should cover detecting collisions with the border and making the body of the worm work.

I’ve created a top-level page on my blog that will link to this series of videos and related resources here: 6502 Assembly Language Programming