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Timendus/chip8-test-suite
5XY0 not tested properly in "Corax+ opcode test"

in my emulator I had a bug where 5XY0 was essentially a nop I believe Corax+ opcode test tested 5XY0, but it showed a tick mark ?
  • sivansh11
  • Opened 
    on Feb 1
  • #28

Timendus/chip8-test-suite
Is check at 2EC correct?

Here is the code that does the check: 660B 672A8761 472B - Location 2EC at memory. As far as I understand the program assigns V6 - 0B and V7 - 2A and OR s them. The result should be stored in V7 as 0x1. ...
  • sepkov
  • 2
  • Opened 
    on Sep 5, 2024
  • #26

Timendus/chip8-test-suite
Quirks test Memory is only testing FX55, not FX65

In the quirks test, the Memory check is only checking for the correct behavior of the opcode FX55, not for FX65.
  • gfcwfzkm
  • 1
  • Opened 
    on May 17, 2024
  • #21

Timendus/chip8-test-suite
No-op passing several corax tests

I only have the required opcodes to run the IBM logo screen implemented (00E0, 1NNN, 6XNN, 7XNN, ANNN, DXYN) with any unknown instruction nooping, and I get a huge number of checkmarks: img width= 742 ...
  • algometric
  • 3
  • Opened 
    on Sep 30, 2023
  • #19

Timendus/chip8-test-suite
Shift and Jump quirks tests show both "ON" and "X" symbols

Hi, first of all thanks for these incredibly helpful ROMs. My interpreter passes all of the logo, opcodes, flags, and input tests. However I noticed some weird behavior with the quirks rom. For the shift ...
  • lbussell
  • 2
  • Opened 
    on Jul 8, 2023
  • #17

Timendus/chip8-test-suite
Test for timer range

First of all, thank you very much for these incredible tests! I ran into the following issue with my CHIP-8 implementation. The timers were accidentally signed integers, meaning their range was from -128 ...
  • ivan-pi
  • 2
  • Opened 
    on May 2, 2023
  • #13

Timendus/chip8-test-suite
Flags tests- possible bug/enhancement for 8XY4, 8XY5 and 8XY7 opcodes

First of all, many thanks for the excellent test suite! I m currently developing my first CHIP-8/SCHIP interpreter using a TDD approach and have a large bank of unit tests defined, yet despite this your ...
  • jon-axon
  • 3
  • Opened 
    on Mar 8, 2023
  • #7

Timendus/chip8-test-suite
Ideas for further improvement

- Add a specific XO-CHIP test (more memory, planes, scrolling, save and load (flags), long load i (with proper skip)) - Generate screenshots of all possible permutations of opcodes not being implemented, ...
  • Timendus
  • 12
  • Opened 
    on Aug 19, 2022
  • #5

Timendus/chip8-test-suite
not an issue

DUDE THANKS! I was writing a CHIP-8 emulator and THIS HELPED ME SO FRICKING MUCH, THANKS!
  • Milk-Cool
  • 3
  • Opened 
    on Jun 23, 2022
  • #1
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