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Found 7 results

  1. Hey! I just wanted to make the AtariAge audience aware that we have a new podcast covering the Tandy Color Computer. We just released Episode 0 yesterday! http://cococrew.libsyn.com Please give check it out, give us a listen, and let us know what you think! John
  2. Hello all, First, I should introduce myself. My name is Boisy Pitre and I've been involved with the Tandy Color Computer (CoCo) and its community for some 30 years now. I run Cloud-9 (www.cloud9tech.com) along with my friend, Mark Marlette, where we sell CoCo hardware and software, and lead several open source initiatives in the CoCo community, most notably the NitrOS-9 operating system. I've always been interested in Atari computers as a kid, having had an Atari VCS back in 1980.During my teen years, I never got into the home computer end of Atari, though I was keenly aware of the scene. Now that I'm a little older, I can indulge more than I could back then . One of my more recent desires has been to obtain a 6502 based Atari computer such as an Atari 400/800 or 130XE, and replace its 6502 microprocessor with a 6809 (the same processor that is in the CoCo), then get NitrOS-9 running on that hardware. An interesting amalgamation of technologies, if you will, but nevertheless something that has intrigued me. To that end, I've obtained an Atari XEGS from eBay, along with a keyboard and a few cartridge based games. I've taken the system apart and identified chips that will need to be replaced for this project (the SALLY (6502) and the 16K ROM) Both have been desoldered and replaced with 40 and 28 pin sockets, respectively, and both chips were salvageable during the desoldering process. They have been placed back in the freshly soldered sockets and the machine comes up just fine. Along with working towards mating the 6809E electrically into the board, I need some advice on how to bring up the board to a known state once the processor is working. My thought would be to make some interesting sounds through the sound chip and setup the video mode, but in order to do that, I need detailed information on the actual chips involved, their addresses, etc. In order to do this, I think it would be important to obtain a disassembly of the 16K ROM, as well as find any cross-assembler 6502 tools that are useful. Can anyone point me to a fully annotated disassembly of the contents of the XEGS ROM, as well as the tools of choice to do assembling? Thanks, and I"m looking forward to being part of the Atari community.
  3. I would like to open the discussion on EDTASM+ and your experience with it. I realize this is an Atari forum, but I'll take any input I can get I have a CoCo 2 with 64K and I'm curious how large my applications can get with it. I found this manual online: http://www.colorcomputerarchive.com/coco/Documents/Manuals/Programming/EDTASM+%20With%20ZBUG%20%28Tandy%29.pdf It's been helpful as it references EDTASM+ cartridge version. However, due to the time it was written, it goes into more detail about the 16K and 32K versions. I'm curious if it has support to take advantage of the 64K machine I have. I get that this is more than antiquated, but I have a feeling you understand why I would want to learn this. Thanks in advance to anyone who wants to discuss this.
  4. I am keen to get the APF with computer keyboard. I also collect 6800 and 6809 systems going back to SWTPC computers. In addition, I like collecting old computer books. Topics such as microprocessors, microprocessor interfacing, assembly language, BASIC books and so forth. Cheers
  5. Howdy, I have some new 8bit systems that I'd like to sell... Tandy Radio Shack TRS-80 Color Computer - 16K Ext BASIC (NEW RF Modulator) https://www.ebay.com/itm/263593550010 TOSHIBA HX-10D 64KB MSX Z80 https://www.ebay.com/itm/263593644655 MSX Computer - Sanyo MPC-10 (Z80) Unit 1: https://www.ebay.com/itm/263593658089 Unit 2: https://www.ebay.com/itm/263593666036 (Both units same model, different serial #)
  6. I have three very clean CoCo 2s for sale and a painted CoCo 1. I take them apart and clean everything. Next to buying new, this is the next best thing. I have sold countless CoCos and test each one. https://www.ebay.com/itm/263576669245 https://www.ebay.com/itm/263576711109 https://www.ebay.com/itm/263576713816 https://www.ebay.com/itm/263576719045
  7. I have a bunch of The Rainbow magazines for the Color Computer for sale. See... https://www.ebay.com/sch/colorcomputerstore/m.html?_nkw=&_armrs=1&_ipg=&_from=
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