Someone is seeking some lost software, "The Stock Exchange BBS":

Any people with obscure disk collections out there?

Due to rearranging all the furniture, the only computer sitting on a desk ready to be used in my home right now is a . I haven't played this much Jumpman Jr for a long time.

I've been watching the development update posts on Twitter for this for a while, and finally got to play it on a real this evening:

Great new little shooter game. Treat yourself to it.

Finally got my little screen and some time to play. My is alive ... albeit loosely mounted in the case.

Need to get the Dremel out and make some holes now!

Anyone interested in a SX mini? Just got this little case and looks like it'll be the perfect size. Waiting on a better screen to be delivered now and I'll start playing. Plenty of space for a battery pack too!

Thanks, hipsters, for ensuring I can just go out and buy a pack of blank cassettes to test my tape drives with.

I thought it was important that my modem flash some LEDs on startup. I haven't really added anything to the firmware to use these yet but I'm thinking wifi signal strength for a start.

Made a third (dismantled the first) prototype modem unit to try some ideas out. Main change is bringing all the pins to a header and running a cable to the edge connector to make case mounting more flexible.

Had a really annoying issue in the prototype modem where it just wouldn't work at 9600 baud. Finally figured it out and I can start playing with firmware mods now.

Here we see illustrated "random bits of wire and crap from desk while wondering if this madness will actually work" vs "prototype".

My parts arrived and I kinda had to immediately assemble the wifi modem of my dreams.

It works, and so does my firmware build environment! Time to get hacking ...

My cut down has one row and one column of the matrix hooked up and I can type "1" on it as much as I want. This is probably the last time I'll let anyone see the back of this, heh

Got all the parts for my minimalist prototype! This is the easy bit, now I have to look at appropriate tools and methods for mapping out how to connect up the key matrix, then connect a ton of little wires!

I wanted an easy way to tell my real apart from my emulated in a genuine case, so a quick LED swap seemed to be the easiest course of action. Looks nice!

The best way I can illustrate how far this machine has come is to put the 1541 that it came with next to it again.

It's not perfect, looking at it close up under very white light it's still got an uneven yellow cast over it, but it's really improved.

I done a blog.

I ended up digressing a lot more into my personal computing history than I intended, and have ended up committing to a multi-part series instead of just a one-off post talking about how I cleaned an old computer.

So it goes.

New has some serious yellowing! Top case of my other overlaid here for contrast, they're both roughly the same revision.

The bit on the upper case where the badge has been removed is close to the original colour.

Restoring this is going to be fun.

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