Here's the hand wired back of the keyboard matrix. I did this faster than the first version, but it's still tricky. This is a good example of why my mods have a bit of cost to them. I also made the "auto cursor" disc again - you can press this in a direction to move the cursor around the screen. Typically in old computers, like the Atari, you had to press control+arrow keys to do this.
Here's a close-up of the keys in the finished unit. They were laser engraved in a raster fashion, allowing fine detail. The built-in flat joypads were done in a similar manner, but a little more raised over the surface than the keys.
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