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Zerosquare

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Zerosquare last won the day on September 5 2018

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  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.)
  7. Certainly, sir. Would you like fries with that?
  8. Have you enabled the rotary mode in Tempest 2000? https://consolemods.org/wiki/Jaguar:Rotary_Controller#Enable_Rotary_Mode_in_Tempest_2000
  9. Before thinking about buying a new controller, I'd start with cleaning the D-pad membrane and PCB contacts using alcohol.
  10. 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).
  11. Yes, that grey ribbon cable is what connects a development Jaguar to the Alpine Board:
  12. 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?
  13. What could possibly go wrong?
  14. 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.
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