the difference that is no difference makes no difference
The Tomy Tutor is a not very well known early home computer (circa 1982). It originally came out as the Tomy Pyuuta in Japan (I’ve seen it written as Pyuta and Puuta and Pyūta as well). I had not heard of it myself until recently either. Doing all that research for the TI-99/4a meant I […]
Yeah, it’s another MSX computer. Well MSX2 in fact. I already have an Omega MSX2, and my breadboard MSX computer is kinda an MSX1 computer, so why do I need another one? I’ve had a couple of queries recently about the msx-rom-and-floppy-emulator , and while it works fine on my Omega MSX2, I’ve had a […]
So I was at that moment when I pack away some old computer I’ve been working on for a while (the TI-99/4a) and I happen to read about the p-code card. When I was a kid I remember seeing books about the UCSD p-system or UCSD Pascal and hey the 99/4a had this p-code card […]
The Texas Instruments TI-99/4 came out in 1979, and had some minor updates to become the TI-99/4A in 1981. Texas Instruments has seemingly been around ‘forever’. They make a lot of things, but just like today they made a lot of semiconductors in the 1970s and unsurprisingly the TI-99/4A has a lot of ‘TI’ chips […]
After getting the fast RAM and IDE interface all working on one of my Amiga 500s, it gets a bit annoying trying to find the correct boot floppy that has all the correct partition settings in a mountlist. I actually don’t mind the slightly slower boot with the floppy, but the convenience of ‘auto boot’ […]
So one last problem I had with adapting the Dragon ROM and Floppy Emulator to work on my Coco 2 was to solve why OS-9 would not load. So most Coco disk images are not for OS-9, but there are quite a few in the colorcomputerarchive that do use OS-9, so I was curious. There […]
Radio Shack (or Tandy as I always knew it growing up in Australia) hopped on the home computer bandwagon quite early. There was the TRS-80 in 1977 and then in 1980 they came out with the ‘Color Computer’ (aka ‘CoCo’) . That was the Color Computer 1. I’ve always assumed it is based on a […]
The Dick Smith VZ200 is a cool little computer from 1983. I actually had one when I was a teenager, but my one was somehow pulled apart in the 80s, then packed in a box in a shed in Australia for some decades. When I recovered it later on, it had been used by rats […]
PiTubeDirect is a project that turns a Raspberry Pi into one of many different coprocessors for the BBC Micro. It also works on other Acorn 8 bit computers including the Electron, but you need extra hardware for that. I have a few old Raspberry Pi’s including a Raspberry Pi Zero that was not getting much […]
Like all good retro enthusiasts I have some old Windows Laptop/Desktop that runs some ancient Windows program(s) that use a parallel port. In my case I have an old Thinkpad T42 running Windows XP. It has a parallel port and I have an old Willem EPROM/Flash/Whatever programmer that uses a parallel port. I am not […]
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