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Docs: update accuracy table
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@fleroviux
fleroviux authored Feb 18, 2024
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Comparison of NBA and other emulators on the [mGBA test suite](https://github.com/mgba-emu/suite) by endrift:

Testname | Test Count | NanoBoyAdvance 1.7 | mGBA 0.10.1 | VBA-M 2.1.5 | Ares v135 | SkyEmu V2 |
Testname | Test Count | NanoBoyAdvance 1.8 | mGBA 0.10.3 | VBA-M 2.1.9 | Ares v135 | SkyEmu V3 |
--------------|------------|--------------------|-------------|----------------|-----------|------------|
Memory | 1552 | 1552 | 1552 | 1426 | 1552 | 1552 |
IO read | 130 | 130 | 120 | 100 | 130 | 125 |
IO read | 130 | 130 | 120 | 100 | 130 | 130 |
Timing | 2020 | 2020 | 1768 | 1024 | 1608 | 2020 |
Timer | 936 | 936 | 744 | 440 | 465 | 587 |
Timer | 936 | 936 | 639 | 440 | 465 | 706 |
Timer IRQ | 90 | 90 | 70 | 8 | 0 | 90 |
Shifter | 140 | 140 | 140 | 132 | 140 | 140 |
Carry | 93 | 93 | 93 | 93 | 93 | 93 |
Multiply Long | 72 | 52 | 52 | 52 | 52 | 52 |
BIOS math | 615 | 615 | 615 | 615 | 615 | 615 |
DMA tests | 1256 | 1256 | 1232 | 1068 | 1212 | 1256 |
Misc Edge Case| 10[^1] | 9 | 4 | 7 | 1 | 3 |
Misc Edge Case| 10 | 9 | 4 | 8 | 1 | 4 |
Layer Toggle | 1 | pass | fail | pass | fail | pass |
OAM Update | 1 | pass | fail | fail | fail | pass |

[^1]: Real hardware passes 9/10 tests.

Passing these tests does not necessarily translate to compatibility or *overall* accuracy.
But they give a good indication of how truthful an emulator is to hardware in certain areas, such as timing and DMA.

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