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kheller2

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About kheller2

  • Birthday 01/06/1972

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    PA, USA

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River Patroller

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  1. Bumping an old thread. Was there a final consensus on this ? I'm asking for two reasons: 1) The new 1090 boards that are being made (would it be a benefit to it to have these lines) 2) The 800XL prototypes and working samples DID have +5 on pin 47/48 as do all 600XLs.
  2. That's a beauty! Now for revision 2.1, you want to shift all the components to the right and angle the joystick ports so you can use a standard 1200XL side plastic. 😂 Is it sacrilege to design a "reimaged" 1200XL board with a PBI header
  3. RESET resets the computer. Sometimes people code to catch that "soft reset" and restart their game.
  4. I suggest contacting the site owner and provide any missing content.
  5. Freddie was “available” in 1983, every 1400/1450 used them which were all made in the latter half of the year. Some of the very early ones were ceramic.
  6. That doesn't make sense. K doesn't have the proper(?) R/W command for the 2797. L uses a command that both the 2797 and 2793 understand.
  7. Maybe the 64K RAM cards were hybrid Z80/RAM cards... However, the ceramic 40pin in this pictures is very confusing.
  8. Note to self: eBay has an actual 83S DA 000231 113 unit vs the Pilot 83S DA000231 (432)
  9. Is it even possible to redo pokey on a single modern programmable chip? Even PokeyMax required ancillary chips to do pot charges, etc. I think we should just all start wire wrapping this: http://www.retroclinic.com/leopardcats/bbpokey/breadboard_pokey_project.htm
  10. Saw this on eBay. I see a cable, and didn’t known they branded the computer too. https://www.ebay.com/itm/134885134520
  11. Atari 1500XL. XLT for tower, XLC for compact.
  12. Can it actually read a disk (dirty head)?
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