About writing about adapting a musical keyboard to SNES protocol , I wanted a broken one for experimentation. About two weeks later, I escaped the Sheep Pen, wandered around Sheepville and found a discarded musical keyboard in the street. Well, that's my third most convenient find in the street. The ...

Full description on anycpu.org . Stub implementation of Wilson Mines Co Memory Module now available. I probably used the wrong footprints but variants directly compatible with Skinny 64K SRAM Chip, W24512AK-10 $0.50 (including shipping) are hopefully forthcoming.

If I'm sending one board, I might ...

The XR0221 is an untested, prototype circuit for bootstrapping a computer without ROM. I have five in stock and I'll order more if it is popular. No charge for hobbyists.

Newbies may be particularly interested in the growing list of giveaway parts which include my 5V, reversible indicator lights.

I've been working on input peripheral boards. Now available and in stock:


XR0220 (untested): Possibly the world's first gaming hexpad. 20 button keypad which is compatible with most NES and SNES games.
XR0256 (untested): 16*16 keyboard matrix controller.
XR0225/N (untested, but I'd have to be ...