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Zerosquare

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Everything posted by Zerosquare

  1. Zerosquare
  2. Zerosquare
    That would work as well ; the contact that needs to be isolated is the third one from the left on the bottom side of the DSP port (when viewing the Jaguar from the back side). It may work, or may not if the board uses the +5V supply from the DSP port to power something else. Worth a try, anyways. I'd use a piece of paper instead of electrical tape, as the latter leaves sticky residues.
  3. Zerosquare
    Okay, so there's two ways you can work around the issue: 1) unsolder the two ICs that handle networking: or 2) cut this track on the bottom of the board: Choose the one you're most comfortable with. Of course, in either case, networking won't work any more.
  4. Zerosquare
    @Songbird: in case diagnosing the broken controllers is too time-consuming to be worth it for you, some people could be interested in buying them as non-working and getting a shot at fixing them themselves.
  5. Zerosquare
    I don't think the jumpers on the bottom are for disabling the networking part ; they're too far from where the chips that handle those (U1 and the one to the left of it). With a good photo of the other side of the PCB, it'd be possible to figure out which component(s) should be removed to avoid the conflict.
  6. Zerosquare
    No, the Jaguar wasn't popular enough for that. I think there's only one third-party pad that was released back in the day, but it's a 3-button one, and those who tried it say it's bad.
  7. Zerosquare
    OpenMPT is a module tracker that can import MIDI files: https://openmpt.org/
  8. Zerosquare
    The 93C46 is a 16-bit wide EEPROM. When read from/written to a binary file, there's no universal standard on which byte order should be used (MSB first or LSB first, aka big-endian or little-endian). So if your programming software has a setting for this (or something like "swap odd and even bytes"), try flipping it and reprogramming the chip to see if it helps.
  9. Zerosquare
    Where did you buy the SD card from? If it's eBay or Amazon, the card may be a counterfeit (this happens regularly). You can use software like https://h2testw.org/ to check whether your card is working correctly.
  10. Zerosquare
    The metal shield is for preventing radio interference, it's not used for cooling. I remember someone (probably SCPCD) mentioning that with the shield removed, nearby devices such as the JagCD could be affected and not always work correctly. I don't think the Jaguar itself was affected.
  11. Zerosquare
    As long as there's clear distinction between : - what's officially documented - what's known to be wrong (i.e. it's been confirmed that real hardware doesn't work like that), with corrections - what's been conjectured by testing, but without definite proof that it works the same on all versions of the hardware (i.e. things that are officially documented as undefined or reserved, or not documented at all) I don't see the issue.
  12. Zerosquare
    I'd suggest making the color palette "cyclical" if you can -- that is, making sure that entries #255 and #0 are almost the same, to eliminate those black fringes.
  13. Zerosquare
    If you do so, make sure the paint thinner is okay to use on plastics. If it's acetone-based, it may cause the case to melt. (Whether this degrades or improves the looks and functionality of the JagCD is up for debate.)
  14. Zerosquare
    Certainly, sir. Would you like fries with that?
  15. Zerosquare
    Have you enabled the rotary mode in Tempest 2000? https://consolemods.org/wiki/Jaguar:Rotary_Controller#Enable_Rotary_Mode_in_Tempest_2000
  16. Zerosquare
    Before thinking about buying a new controller, I'd start with cleaning the D-pad membrane and PCB contacts using alcohol.
  17. Zerosquare
    Dev systems work with regular carts as well, they just have a different startup screen (you need to press a button on the controller to start the cart, IIRC).
  18. Zerosquare
    Yes, that grey ribbon cable is what connects a development Jaguar to the Alpine Board:
  19. Zerosquare
    Yes.
  20. Zerosquare
    Sounds great. Did you use an existing audio engine, or is it a new one? What kind of software did you use to compose the music?
  21. Zerosquare
    What could possibly go wrong?
  22. Zerosquare
    Considering the price of a TL866 and the inconvenience of wiring up and using the Arduino-based programmer, it'd say the second option only makes sense if you're short on cash, have plenty of free time and need to program no more than a few EPROMs.
  23. Zerosquare
    Or...: https://www.reboot-games.com/rebootnews/checkered-flag-steering-patch/
  24. Zerosquare
    Doctorclu recently posted pictures of the Felix and Rapier development systems: The documentation also mentions an older development system called Sylvester:
  25. Zerosquare
    This PCB is indeed designed for 2 MB, split into four 512 kB memory chips: http://mdgames.de/jaggc4ic.htm To use 27C080 chips instead, you'd need to disconnect pin #1 of the memory chips (if it's connected to +5V), and connect it to pin 5B of the cartridge slot.
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