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800xl_1984

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Everything posted by 800xl_1984

  1. 800xl_1984
    Wow, thanks for your work to complete this project! Seem like it was quite an investment of time and effort, and you've provided a great benefit to the community.
  2. 800xl_1984
    Successfully updated SIDE2 to version 4.20 firmware using an SDrive-MAX. SIDE2 does not retain some options from session to session. For example, Colour reverts to 0 (grey). Is this the expected behavior? Thanks, J.
  3. 800xl_1984
    I would like to order one whenever the next batch is ready, please. J.
  4. 800xl_1984
    Would love to see an examples you might have, even if the code isn't completely clean.
  5. 800xl_1984
    Ed Churnside wrote a great set of ML routines for the Atari to help with creating adventure games, published by Antic as "Dragon's Toolkit and Integrated Library (TAIL)" in the '80s. While the routines may be of no help on a non-Atari platform, the documentation includes a wealth of ideas on how to structure the programming mechanics to make things manageable. A few years ago, I cleaned up the text file and converted it to a PDF. Look at Part IV starting on page 87. The file is too large to upload here, but you can access it on my site.
  6. 800xl_1984
    Lol. Yeah, everyone else had been selling these for $35, but I guess COVID has driven up demand.
  7. 800xl_1984
    The entire point of user groups and forums like these are to ask questions and receive immediate answers. Ask away and ignore the "RTFM" people.
  8. 800xl_1984
    Awesome. Thanks for your continued efforts, Jon. I think we need to gather all of this info into a sticky thread under a reference section for the future!
  9. 800xl_1984
    Thanks, Bill. Tried this with memory error. Happened upon a post that indicated you must boot with the shift key depressed in order to free up enough RAM for UFLASH to load. Works now. J.
  10. 800xl_1984
    Can't remember how to flash from SIO2SD to SIDE2 when no U1MB installed. Can someone point me to the step by step instructions? Thanks, J.
  11. 800xl_1984
    Cleaned the potentiometer with Deoxit as suggested and the color seems to have stabilized. Thanks for the help.
  12. 800xl_1984
    Replaced POKEY. No effect. So, I replaced the entire keyboard with a spare I had on hand, which solved the problem. Looks like the faulty keyboard has a replacement mylar. No obvious defects or signs of unusual wear and tear, so I have no clue what would have led to an immediate failure like that.
  13. 800xl_1984
    Atari 800XL has been working fine. Suddenly, the keyboard is unresponsive, except that Reset, Option, Select, and Start all still function perfectly. Ideas on what to look for specifically? Thanks, J.
  14. 800xl_1984
    Thanks for the tip. I will give it a try. J.
  15. 800xl_1984
    Any tips on replacing the R38 NTSC color adjustment potentiometer in an 800XL? I have two spare motherboards, so I'm good on parts. Just wondering if there is anything I should look out for in the process. Should have mentioned: Video color cast is changing wildly. Replaced GTIA with no change. Barely touching R38 results in crazy color shifts, and it's impossible to find a place where you can set R38 and the color stays fast.
  16. 800xl_1984
    #Truth ? ?
  17. 800xl_1984
    Or it could be they don't feel like being labeled responsible when their subordinates screw the pooch.
  18. 800xl_1984
    Did it?
  19. 800xl_1984
    Thanks for the lead!
  20. 800xl_1984
    Bump. Still looking for cartridge shells if anyone has a few to sell.
  21. 800xl_1984
    I am utterly envious of this. I wish there was something similar for Mac.
  22. 800xl_1984
    Are there routines (ML or otherwise) readily available to load RAMbrant images, with their custome DLIs, for use in your own applications?
  23. 800xl_1984
    Stock 800XL works intermittently. Locks up after use. Reset with black screen, or blue screen with static cursor, or a line like this traveling up the screen in flickers (see attached image). Also note deformation at top of screen. Any ideas on which components might need assessment?
  24. 800xl_1984
    Seems like the active membership is spread all over the world. Virtual user groups like this one seem to be our best source of support and information. Probably lots of people like me out there. Have owned my original Atari for around 30 years. Don't get to consistently use it, because life happens. I agree with comments presented here about access to information. It is incredible what the active community is producing, in both hardware and software. The lack of documentation for beginners can be frustrating.
  25. 800xl_1984
    Any leads on where one might buy an empty cart case to house an uncased PCB?
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