
Blogs





Native Two Joystick Gameport Support
Did you know that the Apple II computer contains native multiplayer non-keyboard support? Over the years I’ve documented this functionality being done with digital joysticks but since I’ve also been involved with native two joystick game enhancement projects, I figured it was a good time to document these as well.All …

Super Xevious post mortem.
I’ve finished testing the Super Xevious transcode additions. I can only say that Super Xevious was a half-arsed, almost apathetic exercise that couldn’t have taken more than a week. The main enhancement is the increased difficulty (table entries), and the new objects don’t really add much to the gameplay experience …




Amiga performance, Super Xevious ready for transcode, and Donkey Kong updates.
I’ve been playing around with the (transcoded) Xevious source in order to facilitate better performance on the Amiga. I think I was somewhat successful. On the original machine, the MAIN CPU gets a VBLANK interrupt and updates the lower 32 (ground-based object) sprites. It then sets a pair of memory …