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arturfreddy

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Everything posted by arturfreddy

  1. arturfreddy
  2. arturfreddy
    We had some complications, but we just produced a first batch of plates.
  3. arturfreddy
    New update! Now with 4K, 8K and 16K games!
  4. arturfreddy
    New update! Now with 4K, 8K and 16K games!
  5. arturfreddy
    First prototype board!
  6. arturfreddy
    Opa, não programo em ASM, talvez um dia, a implementação do F8 foi apenas um pico de inspiração! rsrsrs Abs
  7. arturfreddy
    I found a simple way to join 4k and 8k games with a little extra hardware and using the same program. Thank you very much for your help, DrWho198, Blinky, and all who collaborate with this forum!
  8. arturfreddy
    I found a mistake in the scheme I published a few days ago. I forgot to represent line A0 on pin 2 of IC 74LS74.
  9. arturfreddy
    I think I helped with my last test! I found a simple way to join 4k and 8k games with a little extra hardware and using the same program.
  10. arturfreddy
    Yesssss! 4K and 8K games together! https://www.youtube.com/watch?v=rrXZi2l3DFw&feature=em-upload_owner
  11. arturfreddy
    I did some studies and tests, I was able to make the cartridge with menu having games of 8K and 4K. The scheme is not completely adjusted, I used a V29C51002T instead of the emprom to speed up the tests. arqsaida_old.bin
  12. arturfreddy
    Alex_79 if I want to make a cartridge using 8K games, the procedure will be the same?
  13. arturfreddy
    Alex 79, congratulations! I tested the atari! All games work perfectly! Including the reset button!
  14. arturfreddy
    Alex_79, I did not know the new version of Stella, now worked well, later will test the Atari! Thank you!
  15. arturfreddy
    Alex 79, see the result! arqsaida2.bin
  16. arturfreddy
    Added the safenet.bin, the latest games (Keystone, pacman 4k, qbert) do not work, the reactor jumps to the River Raid.
  17. arturfreddy
    Curious, the menu is offset in relation to the game in a step 5, select the River Raid and access the Enduro, this is happening to everyone. In the end of the menu items: I want my mom open Pacman4k Jaw Breaker open Qbert Tac Scan restarts the menu Keystone Kaper open Demon Attack Lockn Chase open Boing Pacman4k open Cosmic arc Qbert open Defender
  18. arturfreddy
    I may have made a mistake. megacard.asm
  19. arturfreddy
    I tested the "megacardmenu_v2_3--all_games_locked" with a set of games that works well, I made adjustments in relation to the amount of games and titles, something strange happens, the menu does not trigger the games correctly and Stella does not work properly.
  20. arturfreddy
    I do not know how it is possible, but in two Ataris from different manufacturers, and with slightly different speeds, the menu of the program only works well at slower atari. In Brazil it is difficult to find the 74HCT27, I am using 74HC27. 74HC27 will be the cause of instability in faster atari?
  21. arturfreddy
    Sorry, there was a mistake in the scheme. Here is the corrected scheme (74HCT02).
  22. arturfreddy
    Some games, such as Qbert, Keystone Kapers, among other, possibly interfere with bankswitch address of the circuit, I found a simple solution that corrects this problem.
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