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About monzamess

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  1. I thought I read somewhere (here?) that the nanoPEB + esp01 still needed software support but like I said I'm still catching up with all that's been going on in the TI world. I will check that out!
  2. Hi, long time reader/first time (?) poster (in this section). I recently acquired a TI, FinalGROM99, nanoPEB, and ESP01 module. (plus a FlashROM99 because I misread an eBay auction) For context, I haven't used a TI since back in the day when as a kid all I had was a console, tape recorder, and a couple of cartridges. So, figuring out how to move disk files to the nanoPEB, run programs, etc is all new to me. I got as far as running ESP01/O and sending AT commands to the unit to connect to my WiFi router, per attached image. I tried a couple of times to connect to a couple of BBSs but only got the "error" response. Not sure if my ATD commands were malformed, or the BBSs were not responding, or what. What's next? Is there a good Terminal program that works with this hardware set up?
  3. So, up front, I don't know; I just wanted to share what I found. First thought is that it's some sort of video mod since that square surface mount chip is the ULA. Second thought is, perhaps that is just how they came from the factory. For reference see the motherboard picture here: https://www.old-computers.com/museum/photos.asp?t=1&c=634&st=1 Finally, this site might help: http://www.atkinsoft.com/ts2068.html
  4. You can get replacement keyboards and all kinds of cool stuff here: https://www.sellmyretro.com/category/retro-computers/sinclair/sinclair-zx81 I got a replacement for one of my units. For the other, I soldered a ribbon cable to the motherboard and connected with the membrane. It was a hack job just to get minimal functionality and life back into that unit.
  5. Recommend you visit https://sinclairzxworld.com/ for a dedicated community with answers to all these questions and more...
  6. Purchased some TI-994/A items. Expertly packaged, quickly shipped, items received as described. Excellent transaction.
  7. I am looking to pay around $20 + reasonable shipping (within continental US) for a TI-99/4A Speech Synthesizer and Cassette cable. The synthesizer should work and not be too beat up (obviously I'd love one in mint condition but I'm trying to be realistic). PM me if you want to make a deal.
  8. As Henry Ford (is rumored to have) said, "If I had asked people what they wanted, they would have said faster horses."
  9. Clicking the link takes you to the Atari VCS website, and that website is available now. Technically correct is the best kind of correct.
  10. The code snippet does use RND but RND is a pseudo-random number generator and will always produce the same sequence of results for a given seed. So a game can be "random" and completely predictable at the same time. The traditional way to combat this problem is to seed the random number generator using the real-time clock... for systems that have one. Or some programs have the user enter a seed value (so they can choose their "variation" of the game). Or maybe base it on how many cycles pass before a user presses a button or something (since that will be hard to replicate run after run). Just some thoughts.
  11. Looks great! Is that from the stock 800XL composite signal, or does your 800XL have a video mod?
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