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[GBA] Non-passing in all BIOS tests #154

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Shideravan opened this issue Sep 2, 2021 · 1 comment
Open

[GBA] Non-passing in all BIOS tests #154

Shideravan opened this issue Sep 2, 2021 · 1 comment
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core-gba Game Boy Advance

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@Shideravan
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Shideravan commented Sep 2, 2021 •
edited

Tests from: https://github.com/PeterLemon/GBA/tree/master/
ares 4146f9d is not passing in the following BIOS tests for the GBA core:

BIOS MD5: A860E8C0B6D573D191E4EC7DB1B1E4F6
Tested with mGBA for these tests and obtaining the bests results

  1. BIOS Arithmetic
  1. BIOS Decompress
    https://github.com/PeterLemon/GBA/tree/master/BIOS/Decompress

  • BIT 1 BPP
    image

  • BIT 2 BPP
    image

  • BIT 4 BPP
    image

  • BIT 8 BPP
    image

  • DIFF
    image

  • HUFFMAN
    image

  • BIOSLZ77
    image

  • BIOSRLE
    image

  1. MemoryCopy

  • BIOSCPUFASTSET
    image

  • BIOSCPUSET
    image

  1. BIOS Misc
  • CHECKSUM
    image
  1. BIOS Register RAM
  • Reset
    image
  1. BIOS Rotation Scaling

  • BGAffineSet
    image

  • OBJAffineSet
    image

  1. BIOS Sound

  • Bias
    image

  • Channel Clear
    image

  • Driver Init
    image

  • Driver Main
    image

  • Driver Mode
    image

  • Driver VSync
    image

  • Get Jump List
    image

  • Mid Key 2 Freq
    image
@LukeUsher
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It would seem that the actual bios function tests are succeeding, but Timer0 isn't returning the correct values

@LukeUsher LukeUsher added the core-gba Game Boy Advance label Feb 18, 2022
@png183 png183 mentioned this issue May 10, 2024
Merged
LukeUsher pushed a commit that referenced this issue May 11, 2024
@png183
gba: latch timer register writes for 1 cycle (#1489)
9fb9dd5 
Latches writes to timer registers for 1 cycle. This fixes common
off-by-one errors with precise timer use, which for example positively
impacts the test cases in #154.
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@LukeUsher @Shideravan