Emulator tests: Difference between revisions

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(→‎Mapper-specific Tests: some of my Famicom expansion audio tests)
(Fix download links to allpads and Zap Ruder, as they are now handled as GitHub releases.)
 
(51 intermediate revisions by 8 users not shown)
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== Validation ROMs ==
== Validation ROMs ==
Note: Most of these test roms can also be found at [https://github.com/christopherpow/nes-test-roms https://github.com/christopherpow/nes-test-roms]
{{mbox
| type = warning
| text = '''Some of the download links below are currently dead, but many have been archived at [https://github.com/christopherpow/nes-test-roms https://github.com/christopherpow/nes-test-roms]'''.
}}


=== CPU Tests ===
=== CPU Tests ===
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|-  
|-  
| [http://blargg.8bitalley.com/parodius/nes-tests/cpu_timing_test6.zip cpu_timing_test6] || blargg || This program tests instruction timing for all official and unofficial NES 6502 instructions except the 8 branch instructions (Bxx) and the 12 halt instructions (HLT) || [https://forums.nesdev.org/viewtopic.php?f=3&t=3831 thread]
| [http://blargg.8bitalley.com/parodius/nes-tests/cpu_timing_test6.zip cpu_timing_test6] || blargg || This program tests instruction timing for all official and unofficial NES 6502 instructions except the 8 branch instructions (Bxx) and the 12 halt instructions (HLT) || [https://forums.nesdev.org/viewtopic.php?f=3&t=3831 thread]
|-
| [//forums.nesdev.org/viewtopic.php?p=157782#p157782 coredump] || jroatch || Coredump tool for displaying contents of RAM || [http://forums.nesdev.org/viewtopic.php?f=22&t=11520 thread]
|-  
|-  
| [http://blargg.8bitalley.com/parodius/nes-tests/nes_instr_misc.zip instr_misc] || blargg || Tests some miscellaneous aspects of instructions, including behavior when 16-bit address wraps around, and dummy reads. ||
| [http://blargg.8bitalley.com/parodius/nes-tests/nes_instr_misc.zip instr_misc] || blargg || Tests some miscellaneous aspects of instructions, including behavior when 16-bit address wraps around, and dummy reads. ||
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| [http://blargg.8bitalley.com/parodius/nes-tests/instr_timing.zip instr_timing] || blargg || Tests timing of all instructions, including unofficial ones, page-crossing, etc. ||
| [http://blargg.8bitalley.com/parodius/nes-tests/instr_timing.zip instr_timing] || blargg || Tests timing of all instructions, including unofficial ones, page-crossing, etc. ||
|-
|-
| [http://nickmass.com/images/nestest.nes nestest] || ? || fairly thoroughly tests CPU operation. This is the best test to start with when getting a CPU emulator working for the first time. Start execution at $C000 and compare execution with a log from Nintendulator, an emulator whose CPU is known to work correctly (apart from some details of the power-up state). ||
| [http://nickmass.com/images/nestest.nes nestest] ([https://www.qmtpro.com/~nes/misc/nestest.txt doc]) || kevtris || fairly thoroughly tests CPU operation. This is the best test to start with when getting a CPU emulator working for the first time. Start execution at $C000 and compare execution with a [https://www.qmtpro.com/~nes/misc/nestest.log known good log] (created using [[Nintendulator]], an emulator chosen by the test's author because its CPU was verified to function correctly, aside from some minor details of the power-up state). ||
|}  
|-
| [//forums.nesdev.org/viewtopic.php?t=13334 ram_retain] || rainwarrior || RAM contents test, for displaying contents of RAM at power-on or after reset || [http://forums.nesdev.org/viewtopic.php?t=13334 thread]
|}


=== PPU Tests ===
=== PPU Tests ===
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! Description
! Description
! Resources
! Resources
|-
| [https://forums.nesdev.org/viewtopic.php?p=155593#p155593 color_test] || rainwarrior || Simple display of any chosen color full-screen || [http://forums.nesdev.org/viewtopic.php?p=155593#p155593 thread]
|-
|-
| [http://www.slack.net/~ant/nes-tests/blargg_ppu_tests.zip blargg_ppu_tests_2005.09.15b] || blargg || Miscellaneous PPU tests (palette ram, sprite ram, etc.) || [https://forums.nesdev.org/viewtopic.php?t=567 thread]
| [http://www.slack.net/~ant/nes-tests/blargg_ppu_tests.zip blargg_ppu_tests_2005.09.15b] || blargg || Miscellaneous PPU tests (palette ram, sprite ram, etc.) || [https://forums.nesdev.org/viewtopic.php?t=567 thread]
|-
|-
| [http://blargg.8bitalley.com/parodius/nes-code/full_palette.zip full_palette] || blargg || Displays the full palette with all emphasis states, demonstrates direct PPU color control || [https://forums.nesdev.org/viewtopic.php?p=10658 thread]
| [http://www.slack.net/~ant/nes-hacks/full_nes_palette.nes full_nes_palette] || blargg || Displays the full palette with all emphasis states, demonstrates direct PPU color control || [https://forums.nesdev.org/viewtopic.php?p=10658 thread]
|-  
|-  
| [http://blargg.parodius.com/nes-code/nmi_sync.zip nmi_sync] || blargg || Verifies NMI timing by creating a specific pattern on the screen (NTSC & PAL versions) || [https://forums.nesdev.org/viewtopic.php?t=6589 thread]
| [http://www.slack.net/~ant/old/nes-code/nmi_sync.zip nmi_sync] || blargg || Verifies NMI timing by creating a specific pattern on the screen (NTSC & PAL versions) || [https://forums.nesdev.org/viewtopic.php?t=6589 thread]
|-
| [http://forums.nesdev.org/viewtopic.php?f=2&t=15080 ntsc_torture] || rainwarrior || NTSC Torture Test displays visual patterns to demonstrate NTSC signal artifacts || [http://forums.nesdev.org/viewtopic.php?f=2&t=15080 thread]
|-
|-
| [http://blargg.8bitalley.com/parodius/nes-tests/oam_read.zip oam_read] || blargg || Tests OAM reading ($2004), being sure it reads the byte from OAM at the current address in $2003. || [https://forums.nesdev.org/viewtopic.php?t=6424 thread]
| [http://blargg.8bitalley.com/parodius/nes-tests/oam_read.zip oam_read] || blargg || Tests OAM reading ($2004), being sure it reads the byte from OAM at the current address in $2003. || [https://forums.nesdev.org/viewtopic.php?t=6424 thread]
|-
|-
| [http://blargg.8bitalley.com/parodius/nes-tests/oam_stress.zip oam_stress] || blargg || Thoroughly tests OAM address ($2003) and read/write ($2004) || [https://forums.nesdev.org/viewtopic.php?t=6424 thread]
| [http://blargg.8bitalley.com/parodius/nes-tests/oam_stress.zip oam_stress] || blargg || Thoroughly tests OAM address ($2003) and read/write ($2004) || [https://forums.nesdev.org/viewtopic.php?t=6424 thread]
|-
| [https://forums.nesdev.org/download/file.php?id=1537 oamtest3] || lidnariq || Utility to upload OAM data via $2003/$2004 - can be used to test for the OAMADDR bug behavior || [http://forums.nesdev.org/viewtopic.php?p=128913#p128913 thread 1] [http://forums.nesdev.org/viewtopic.php?p=128842#p128842 thread 2]
|-
| [https://forums.nesdev.org/viewtopic.php?t=13264 palette] || rainwarrior || Palette display requiring only scanline-based palette changes, intended to demonstrate the full palette even on less advanced emulators || [http://forums.nesdev.org/viewtopic.php?t=13264 thread]
|-
|-
| [http://blargg.8bitalley.com/parodius/nes-tests/ppu_open_bus.zip ppu_open_bus] || blargg || Tests behavior when reading from open-bus PPU bits/registers ||
| [http://blargg.8bitalley.com/parodius/nes-tests/ppu_open_bus.zip ppu_open_bus] || blargg || Tests behavior when reading from open-bus PPU bits/registers ||
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| [http://blargg.8bitalley.com/parodius/nes-tests/ppu_sprite_hit.zip ppu_sprite_hit] || blargg || Tests sprite 0 hit behavior and timing || [https://forums.nesdev.org/viewtopic.php?t=626 thread]
| [http://blargg.8bitalley.com/parodius/nes-tests/ppu_sprite_hit.zip ppu_sprite_hit] || blargg || Tests sprite 0 hit behavior and timing || [https://forums.nesdev.org/viewtopic.php?t=626 thread]
|-
|-
| [http://blargg.8bitalley.com/parodius/nes-tests/ppu_sprite_overflow.zip ppu_sprite_overflow] || blargg || Tests sprite overflow behavior and timing || [https://forums.nesdev.org/viewtopic.php?t=1308 thread]
| [http://www.slack.net/~ant/nes-tests/sprite_overflow_tests.zip sprite_overflow_tests] || blargg || Tests sprite overflow behavior and timing || [https://forums.nesdev.org/viewtopic.php?t=1308 thread]
|-
|-
| [http://blargg.8bitalley.com/parodius/nes-tests/ppu_vbl_nmi.zip ppu_vbl_nmi] || blargg || Tests the behavior and timing of the NTSC PPU's VBL flag, NMI enable, and NMI interrupt. Timing is tested to an accuracy of one PPU clock. || [https://forums.nesdev.org/viewtopic.php?t=730 thread]
| [http://blargg.8bitalley.com/parodius/nes-tests/ppu_vbl_nmi.zip ppu_vbl_nmi] || blargg || Tests the behavior and timing of the NTSC PPU's VBL flag, NMI enable, and NMI interrupt. Timing is tested to an accuracy of one PPU clock. || [https://forums.nesdev.org/viewtopic.php?t=730 thread]
|-
|-
| [http://www.qmtpro.com/~nes/demos/scanline.zip scanline] || Quietust || Displays a test screen that will contain glitches if certain portions of the emulation are not perfect. ||
| [http://www.qmtpro.com/~nes/demos/scanline.zip scanline] || Quietust || Displays a test screen that will contain glitches if certain portions of the emulation are not perfect. ||
|-
| [http://blargg.parodius.com/temp/sprdma_and_dmc_dma.zip sprdma_and_dmc_dma] || blargg || Tests the cycle stealing behavior of the DMC DMA while running Sprite DMAs || [https://forums.nesdev.org/viewtopic.php?f=3&t=6100 thread]
|-  
|-  
| [http://www.slack.net/~ant/nes-tests/sprite_hit_tests.zip sprite_hit_tests_2005.10.05] || blargg || Generally the same as ppu_sprite_hit (older revision of the tests - ppu_sprite_hit is most likely better) || [https://forums.nesdev.org/viewtopic.php?t=626 thread]
| [http://www.slack.net/~ant/nes-tests/sprite_hit_tests.zip sprite_hit_tests_2005.10.05] || blargg || Generally the same as ppu_sprite_hit (older revision of the tests - ppu_sprite_hit is most likely better) || [https://forums.nesdev.org/viewtopic.php?t=626 thread]
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| [http://www.slack.net/~ant/nes-tests/sprite_overflow_tests.zip sprite_overflow_tests] || blargg || Generally the same as ppu_sprite_overflow (older revision of the tests - ppu_sprite_overflow is most likely better) || [https://forums.nesdev.org/viewtopic.php?t=1308 thread]
| [http://www.slack.net/~ant/nes-tests/sprite_overflow_tests.zip sprite_overflow_tests] || blargg || Generally the same as ppu_sprite_overflow (older revision of the tests - ppu_sprite_overflow is most likely better) || [https://forums.nesdev.org/viewtopic.php?t=1308 thread]
|-
|-
| [http://blargg.parodius.com/temp/sprdma_and_dmc_dma.zip sprdma_and_dmc_dma] || blargg || Tests the cycle stealing behavior of the DMC DMA while running Sprite DMAs || [https://forums.nesdev.org/viewtopic.php?f=3&t=6100 thread]
| [http://pics.pineight.com/nes/tvpassfail.zip tvpassfail] || tepples || NTSC color and NTSC/PAL pixel aspect ratio test ROM (older revision of the tests - 240p Test Suite is most likely better)  || [https://forums.nesdev.org/viewtopic.php?t=3393 thread]
|-
| [http://pics.pineight.com/nes/tvpassfail.zip tvpassfail] || tepples || NTSC color and NTSC/PAL pixel aspect ratio test ROM || [https://forums.nesdev.org/viewtopic.php?t=3393 thread]
|-
|-
| [http://blargg.8bitalley.com/parodius/nes-tests/ppu_vbl_nmi.zip vbl_nmi_timing] || blargg || Generally the same as ppu_vbl_nmi (older revision of the tests - ppu_vbl_nmi is most likely better) || [https://forums.nesdev.org/viewtopic.php?f=3&t=3953 thread]
| [http://blargg.8bitalley.com/parodius/nes-tests/ppu_vbl_nmi.zip vbl_nmi_timing] || blargg || Generally the same as ppu_vbl_nmi (older revision of the tests - ppu_vbl_nmi is most likely better) || [https://forums.nesdev.org/viewtopic.php?f=3&t=3953 thread]
|-
| [https://forums.nesdev.org/download/file.php?id=6939 ntsc_torture.nes] || rainwarrior || NTSC Torture Test displays visual patterns to demonstrate NTSC signal artifacts || [http://forums.nesdev.org/viewtopic.php?f=2&t=15080 thread]
|-
| [http://forums.nesdev.org/download/file.php?id=4037 palette.nes] || rainwarrior || Palette display requiring only scanline-based palette changes, intended to demonstrate the full palette even on less advanced emulators || [http://forums.nesdev.org/viewtopic.php?t=13264 thread]
|-
| [http://forums.nesdev.org/download/file.php?id=4043 color_test.nes] || rainwarrior || Simple display of any chosen color full-screen || [http://forums.nesdev.org/viewtopic.php?p=155593#p155593 thread]
|}
|}


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! Resources
! Resources
|-
|-
| [https://forums.nesdev.org/download/file.php?id=3772 31_test] || rainwarrior || Tests for mapper 31 (with various NES 2.0 headers for PRG ROM sizes) || [https://forums.nesdev.org/viewtopic.php?f=3&t=13120 thread]
| [https://forums.nesdev.org/viewtopic.php?f=3&t=13120 31_test] || rainwarrior || Tests for mapper 31 (see thread for ROMs in various PRG sizes) || [https://forums.nesdev.org/viewtopic.php?f=3&t=13120 thread]
|-
|-
| [https://forums.nesdev.org/download/file.php?id=2253 BNTest] || tepples || Tests how many PRG banks are reachable in BxROM and AxROM. || [https://forums.nesdev.org/viewtopic.php?p=79826#p79826 thread]
| [https://forums.nesdev.org/download/file.php?id=2253 BNTest] || tepples || Tests how many PRG banks are reachable in BxROM and AxROM. || [https://forums.nesdev.org/viewtopic.php?p=79826#p79826 thread] [https://github.com/pinobatch/little-things-nes/tree/master/bntest GitHub]
|-
|-
| [https://forums.nesdev.org/download/file.php?id=2247 bxrom_512k_test] || rainwarrior || Similar to the BxROM test in BNTest above. || [https://forums.nesdev.org/viewtopic.php?f=3&t=12085 thread]
| [https://forums.nesdev.org/viewtopic.php?f=3&t=12085 bxrom_512k_test] || rainwarrior || Similar to the BxROM test in BNTest above. || [https://forums.nesdev.org/viewtopic.php?f=3&t=12085 thread]
|-
| [http://forums.nesdev.org/download/file.php?id=10240 FdsIrqTests (v7)] || Sour || Tests various elements of the FDS' IRQ || [http://forums.nesdev.org/viewtopic.php?f=3&t=16507 thread]
|-
|-
| [http://www.qmtpro.com/~nes/demos/mmc5exram.zip exram] || Quietust || MMC5 exram test ||
| [http://www.qmtpro.com/~nes/demos/mmc5exram.zip exram] || Quietust || MMC5 exram test ||
|-
| [http://forums.nesdev.org/viewtopic.php?t=8639 famicom_audio_swap_tests] || rainwarrior || Hotswap tests for Famicom expansion audio (5B, MMC5, VRC6, VRC7, N163, FDS) || [http://forums.nesdev.org/viewtopic.php?t=8639 thread]
|-
|-
| [https://forums.nesdev.org/download/file.php?id=2759 fme7acktest-r1] || tepples || Checks some IRQ acknowledgment behiaviors of Sunsoft FME-7 that emulators were getting wrong in 2015. || [https://forums.nesdev.org/viewtopic.php?f=2&t=12436 thread]
| [https://forums.nesdev.org/download/file.php?id=2759 fme7acktest-r1] || tepples || Checks some IRQ acknowledgment behiaviors of Sunsoft FME-7 that emulators were getting wrong in 2015. || [https://forums.nesdev.org/viewtopic.php?f=2&t=12436 thread]
|-
|-
| [https://forums.nesdev.org/download/file.php?id=2800 fme7ramtest-r1] || tepples || Checks how much work ram the Sunsoft FME-7 can access || [https://forums.nesdev.org/viewtopic.php?f=9&t=12467 thread]
| [https://forums.nesdev.org/download/file.php?id=2800 fme7ramtest-r1] || tepples || Checks how much work RAM the Sunsoft FME-7 can access || [https://forums.nesdev.org/viewtopic.php?f=9&t=12467 thread] [https://github.com/pinobatch/little-things-nes/tree/master/fme7acktest GitHub]
|-
| [https://pineight.com/nes/holydiverbatman-bin-0.01.7z Holy Mapperel] || tepples || Detects over a dozen mappers and verifies that all PRG ROM and CHR ROM banks are reachable, that PRG RAM and CHR RAM can be written and read back without error, and that nametable mirroring, IRQ, and WRAM protection work. (Formerly Holy Diver Batman) || [https://forums.nesdev.org/viewtopic.php?f=22&t=10640 thread] [https://github.com/pinobatch/holy-mapperel GitHub]
|-
| [https://forums.nesdev.org/download/file.php?id=5166 mmc3bigchrram] || tepples || MMC3 test for large 32kb CHR RAM with NES 2.0 headers || [https://forums.nesdev.org/viewtopic.php?f=3&t=13890 thread] [https://github.com/pinobatch/little-things-nes/tree/master/mmc3bigchrram GitHub]
|-
| [http://slack.net/~ant/old/nes-tests/mmc3_test_2.zip mmc3_test_2] || blargg || MMC3 scanline counter and IRQ generation tests. ||
|-
|-
| [https://pineight.com/nes/holydiverbatman-bin-0.01.7z Holy Diver Batman] || tepples || Detects over a dozen mappers and verifies that all PRG ROM and CHR ROM banks are reachable, that PRG RAM and CHR RAM can be written and read back without error, and that nametable mirroring, IRQ, and WRAM protection work. || [https://forums.nesdev.org/viewtopic.php?f=22&t=10640 thread]
| [https://forums.nesdev.org/viewtopic.php?p=261236#p261236 mmc3irqtest] || N-K || MMC3 scanline IRQ test and $C000 glitch investigation. || [https://forums.nesdev.org/viewtopic.php?p=261236#p261236 thread]
|-
|-
| [https://forums.nesdev.org/download/file.php?id=5166 mmc3bigchrram] || tepples || MMC3 test for large 32kb CHR RAM with NES 2.0 headers || [https://forums.nesdev.org/viewtopic.php?f=3&t=13890 thread]
| [https://forums.nesdev.org/viewtopic.php?p=76817#p76817 mmc5test] || Drag || MMC5 scanline counter || [https://forums.nesdev.org/viewtopic.php?t=7653 thread]
|-
|-
| [http://blargg.8bitalley.com/parodius/nes-tests/mmc3_test_2.zip mmc3_test] || blargg || MMC3 scanline counter and IRQ generation tests. ||
| [http://forums.nesdev.org/download/file.php?id=8609 mmc5test_v2] || AWJ || MMC5 tests || [http://forums.nesdev.org/viewtopic.php?f=2&t=15788 thread]
|-
|-
| [https://forums.nesdev.org/download/file.php?id=3753 serom] || lidnariq || Tests the constraints of SEROM / SHROM / SH1ROM variations of the MMC1 boards. || [https://forums.nesdev.org/viewtopic.php?f=3&t=9350&start=90#p153298 thread]
| [https://forums.nesdev.org/download/file.php?id=3753 serom] || lidnariq || Tests the constraints of SEROM / SHROM / SH1ROM variations of the MMC1 boards. || [https://forums.nesdev.org/viewtopic.php?f=3&t=9350&start=90#p153298 thread]
|-
|-
| rowspan="4" | Submapper Tests || rainwarrior || [https://forums.nesdev.org/download/file.php?id=4299 2_test] - Mapper 2, Submappers 0, 1 and 2 || [https://forums.nesdev.org/viewtopic.php?f=3&t=9350&start=90#p157804 thread]
| rowspan="4" | NES 2.0 Submapper Tests || rainwarrior || [https://forums.nesdev.org/viewtopic.php?f=3&t=9350&start=90#p157804 2_test] - Mapper 2, Submappers 0, 1 and 2 || [https://forums.nesdev.org/viewtopic.php?f=3&t=9350&start=90#p157804 thread]
|-
| rainwarrior || [https://forums.nesdev.org/viewtopic.php?f=3&t=9350&start=90#p154555 3_test] - Mapper 3, Submappers 0, 1 and 2 || [https://forums.nesdev.org/viewtopic.php?f=3&t=9350&start=90#p154555 thread]
|-
|-
| rainwarrior || [https://forums.nesdev.org/download/file.php?id=4302 3_test] - Mapper 3, Submappers 0, 1 and 2 || [https://forums.nesdev.org/viewtopic.php?f=3&t=9350&start=90#p154555 thread]
| rainwarrior || [https://forums.nesdev.org/viewtopic.php?f=3&t=9350&start=90#p157804 7_test] - Mapper 7, Submappers 0, 1 and 2 || [https://forums.nesdev.org/viewtopic.php?f=3&t=9350&start=90#p157804 thread]
|-
|-
| rainwarrior || [https://forums.nesdev.org/download/file.php?id=4301 7_test] - Mapper 7, Submappers 0, 1 and 2 || [https://forums.nesdev.org/viewtopic.php?f=3&t=9350&start=90#p157804 thread]
| rainwarrior || [https://forums.nesdev.org/viewtopic.php?f=3&t=9350&start=90#p153334 34_test] - Mapper 34, Submappers 1 and 2 || [https://forums.nesdev.org/viewtopic.php?f=3&t=9350&start=90#p153334 thread]
|-
|-
| rainwarrior || [https://forums.nesdev.org/download/file.php?id=3771 34_test] - Mapper 34, Submappers 1 and 2 || [https://forums.nesdev.org/viewtopic.php?f=3&t=9350&start=90#p153334 thread]
| [https://forums.nesdev.org/download/file.php?id=12185 test28] || tepples || Tests for mapper 28 || [https://forums.nesdev.org/viewtopic.php?p=215345#p215345 thread] [https://github.com/pinobatch/little-things-nes/tree/master/test28 GitHub]
|-
|-
| [https://forums.nesdev.org/download/file.php?id=158 test28] || tepples || Tests for mapper 28 || [https://forums.nesdev.org/viewtopic.php?p=102693#p102693 thread]
| [http://forums.nesdev.org/download/file.php?id=10017 vrc24test] || AWJ || Detects and tests all VRC 2/4 variants || [http://forums.nesdev.org/viewtopic.php?f=3&t=16009 thread]
|-
|-
| [http://www.mediafire.com/download/6hvuj53omv8y3fn/vrc6test.zip vrc6test] || natt || VRC6 mirroring tests || [https://forums.nesdev.org/viewtopic.php?t=11028 thread]
| [http://www.mediafire.com/download/6hvuj53omv8y3fn/vrc6test.zip vrc6test] || natt || VRC6 mirroring tests || [https://forums.nesdev.org/viewtopic.php?t=11028 thread]
|-
|-
| [http://rainwarrior.ca/projects/nes/famicom_audio_swap_tests.zip] || rainwarrior || Hotwsap tests for Famicom expansion audio (5B, MMC5, VRC6, VRC7, N163, FDS) || [http://forums.nesdev.org/viewtopic.php?t=8639 thread]
| [https://forums.nesdev.org/viewtopic.php?p=244062#p244062 mmc5ramsize] || rainwarrior || MMC5 large PRG-RAM support tests || [https://forums.nesdev.org/viewtopic.php?p=244062#p244062 thread]
|-
| [https://forums.nesdev.org/viewtopic.php?t=23619 mmc1atest] || tepples || Characterizes behavior of [[iNES Mapper 155|MMC1A]] vs. [[iNES Mapper 001|MMC1B]] || [https://forums.nesdev.org/viewtopic.php?t=23619 thread] [https://github.com/pinobatch/little-things-nes/tree/master/mmc1a GitHub]
|-
| [https://forums.nesdev.org/viewtopic.php?p=284414#p284414 n163_soundram] || rainwarrior || Test for [[Namco 163 audio]] sound RAM read-back. || [https://forums.nesdev.org/viewtopic.php?p=284414#p284414 thread]
|-
| [https://forums.nesdev.org/viewtopic.php?p=285135#p285135 n163_soundram_init] || rainwarrior || Test for [[Namco 163 audio]] sound RAM contents at power-on. || [https://forums.nesdev.org/viewtopic.php?p=285135#p285135 thread]
|}
|}


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! Resources
! Resources
|-
|-
| [https://github.com/pinobatch/allpads-nes/raw/master/allpads.nes allpads] || tepples || Multiple controller test supporting NES controller, Super NES controller, Famicom microphone, Four Score, Zapper, NES Arkanoid controller, and Super NES Mouse || [https://forums.nesdev.org/viewtopic.php?f=2&t=12549 thread] [https://github.com/pinobatch/allpads-nes GitHub]
| [https://github.com/pinobatch/allpads-nes/releases/latest/download/allpads.nes allpads] || tepples || Multiple controller test supporting NES controller, Super NES controller, Famicom microphone, Four Score, Zapper, NES Arkanoid controller, and Super NES Mouse; also has raw 32-bit report mode || [https://forums.nesdev.org/viewtopic.php?f=2&t=12549 thread] [https://github.com/pinobatch/allpads-nes GitHub]
|-
|-
| [https://forums.nesdev.org/download/file.php?id=5905 dma_sync_test_v2] || Rahsennor || Tests DMC DMA read corruption || [https://forums.nesdev.org/viewtopic.php?f=2&t=14319 thread]
| [https://forums.nesdev.org/download/file.php?id=5905 dma_sync_test_v2] || Rahsennor || Tests DMC DMA read corruption || [https://forums.nesdev.org/viewtopic.php?f=2&t=14319 thread]
|-
|-
| mousetest || || Test for a Super Famicom mouse wired in a Famicom expansion port as controller 3 ||
| [https://github.com/christopherpow/nes-test-roms/raw/master/PaddleTest3/PaddleTest.nes PaddleTest3] || 3gengames || Test for the Arkanoid controller || [https://forums.nesdev.org/viewtopic.php?t=7929 thread]
|-
|-
| [https://github.com/christopherpow/nes-test-roms/raw/master/PaddleTest3/PaddleTest.nes PaddleTest3] || 3gengames || Test for the Arkanoid controller || [https://forums.nesdev.org/viewtopic.php?t=7929 thread]
| [https://forums.nesdev.org/download/file.php?id=21972 vaus] || lidnariq || Arkanoid controller 9-bit result test || [https://forums.nesdev.org/viewtopic.php?t=23801 thread]
|-
|-
| [http://blargg.8bitalley.com/parodius/nes-code/read_joy3.zip read_joy3] || blargg || Various NES controllers tests, including read corruption due to DMC DMA || [https://forums.nesdev.org/viewtopic.php?f=2&t=4124&start=0 thread]
| [http://blargg.8bitalley.com/parodius/nes-code/read_joy3.zip read_joy3] || blargg || Various NES controllers tests, including read corruption due to DMC DMA || [https://forums.nesdev.org/viewtopic.php?f=2&t=4124&start=0 thread]
|-
|-
| [https://github.com/pinobatch/zap-ruder/raw/master/ruder.nes Zap Ruder] || tepples || Test for the Zapper, including dual wield but not the serial Vs. variant || [https://forums.nesdev.org/viewtopic.php?t=8108 thread] [https://github.com/pinobatch/zap-ruder GitHub]
| [https://github.com/pinobatch/zap-ruder/releases/latest/download/ruder.nes Zap Ruder] || tepples || Test for the Zapper, including dual wield but not the serial Vs. variant || [https://forums.nesdev.org/viewtopic.php?t=8108 thread] [https://github.com/pinobatch/zap-ruder GitHub]
|-
|-
| [https://forums.nesdev.org/download/file.php?id=5356 spadtest-nes] || tepples || Super Nintendo controller test (when connected to a NES) || [https://forums.nesdev.org/viewtopic.php?p=167288 thread]
| [https://forums.nesdev.org/download/file.php?id=5356 spadtest-nes] || tepples || Super Nintendo controller test (when connected to a NES) || [https://forums.nesdev.org/viewtopic.php?p=167288 thread]
|-
|-
| [http://pics.pineight.com/nes/vaus-test-0.02.zip vaus_test] || tepples || Another test for the Arkanoid controller || [https://forums.nesdev.org/viewtopic.php?p=120455 thread]
| [http://pics.pineight.com/nes/vaus-test-0.02.zip vaus_test] || tepples || Another test for the Arkanoid controller || [https://forums.nesdev.org/viewtopic.php?p=120455 thread] [https://github.com/pinobatch/little-things-nes/tree/master/vaus-test GitHub]
|-
| [https://forums.nesdev.org/viewtopic.php?p=231608#p231608 mset] || rainwarrior || SNES mouse test || [https://forums.nesdev.org/viewtopic.php?p=231608#p231608 thread]
|-
| [https://forums.nesdev.org/viewtopic.php?f=3&t=18314&p=232358#p232358 mict] || rainwarrior || Famicom microphone test || [https://forums.nesdev.org/viewtopic.php?f=3&t=18314 thread]
|-
| [https://forums.nesdev.org/viewtopic.php?f=22&t=18998 Telling LYs?] || tepples || Tests whether input can change on any scanline || [https://forums.nesdev.org/viewtopic.php?f=22&t=18998 thread] [https://github.com/pinobatch/little-things-nes/tree/master/tellinglys GitHub]
|-
| [https://forums.nesdev.org/viewtopic.php?f=2&t=19752 ctrltest] || rainwarrior || Generic log of 16-bit report on all 5 input data lines. || [https://forums.nesdev.org/viewtopic.php?f=2&t=19752 thread]
|-
| [https://forums.nesdev.org/viewtopic.php?p=106954#p106954 raw]
[https://forums.nesdev.org/viewtopic.php?t=23745 pack2]
|| lidnariq || Immediate state of 32-bit report on all 5x2 input data lines.
Immediate state of 64-bit report on all 5x2 input data lines.
|| [https://forums.nesdev.org/viewtopic.php?p=106954#p106954 thread]
|-
| [https://forums.nesdev.org/viewtopic.php?f=9&t=13021 zapper tests] || rainwarrior || Simple tests for displaying output of zapper reads. || [https://forums.nesdev.org/viewtopic.php?f=9&t=13021 thread]
|-
| [https://forums.nesdev.org/viewtopic.php?t=24192 powerpadgesture] || tepples || Gesture test for [[Power Pad]] displaying log of presses and releases. || [https://forums.nesdev.org/viewtopic.php?t=24192 thread]
|-
| [https://www.nesdev.org/powerpd.zip POWERPAD.NES] || Tennessee Carmel-Veilleux || Old simple test for Power Pad. || [https://www.nesdev.org/powerpad.txt powerpad.txt]
|-
| [https://forums.nesdev.org/viewtopic.php?p=294558#p294558 d34test] || rainwarrior || Generic log of 32-bit report on D3 and D4 data lines, with 16-bit report on D0. || [https://forums.nesdev.org/viewtopic.php?p=294558#p294558 thread]
|-
| [https://forums.nesdev.org/viewtopic.php?p=294558#p294558 kmbtest] || rainwarrior || Input test for a proposed USB Keyboard and Mouse interface. || [https://forums.nesdev.org/viewtopic.php?p=294558#p294558 thread]
|}
|}


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! Description
! Description
! Resources
! Resources
|-
| [https://forums.nesdev.org/download/file.php?id=19130 240pee-0.22] || tepples || 240p Test Suite (an NES version of the [http://junkerhq.net/xrgb/index.php/240p_test_suite 240p Test Suite] by Artemio Urbina), including an MDFourier tone generator || [https://forums.nesdev.org/viewtopic.php?t=13394 thread] [https://github.com/pinobatch/240p-test-mini/tree/master/nes GitHub]
|-
|-
| [https://forums.nesdev.org/download/file.php?id=1415 characterize-vs] || lidnariq || VS System tests || [https://forums.nesdev.org/viewtopic.php?f=3&t=10276&start=15#p127592 thread]
| [https://forums.nesdev.org/download/file.php?id=1415 characterize-vs] || lidnariq || VS System tests || [https://forums.nesdev.org/viewtopic.php?f=3&t=10276&start=15#p127592 thread]
|-
|-
| [http://nesdev.org/NEStress.zip NEStress] || || Old test - some of the tests are supposed to fail on real hardware. ||
| [http://nesdev.org/NEStress.zip NEStress] || Flubba || Old test - some of the tests are supposed to fail on real hardware. ||
|-
| [https://forums.nesdev.org/download/file.php?id=2826 oc-r1a] || tepples || Detects and displays accurate clock rate of the NES (since incorporated into 240p Test Suite) || [https://forums.nesdev.org/viewtopic.php?f=22&t=12499 thread]
|-
|-
| [https://forums.nesdev.org/download/file.php?id=2826 oc-r1a] || tepples || Detects and displays accurate clock rate of the NES || [https://forums.nesdev.org/viewtopic.php?f=22&t=12499 thread]
| [https://github.com/bbbradsmith/nes-audio-tests nes-audio-tests] || rainwarrior || NSF and NES ROM tests for expansion audio sound, NSF behaviour, and other various audio related things. ||
|}
|}


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If a screenshot's hash differs from that of the corresponding screenshot from when the test case was created, make a note of this difference in the log.
If a screenshot's hash differs from that of the corresponding screenshot from when the test case was created, make a note of this difference in the log.
Then you can compare the emulator's output frame-by-frame to that of the previous release of your emulator running the same test case.
Then you can compare the emulator's output frame-by-frame to that of the previous release of your emulator running the same test case.
== See also ==
* [[Emulators]]

Latest revision as of 00:06, 23 September 2024

There are many ROMs available that test an emulator for inaccuracies.

Validation ROMs

CPU Tests

Name Author Description Resources
branch_timing_tests blargg These ROMs test timing of the branch instruction, including edge cases
cpu_dummy_reads blargg Tests the CPU's dummy reads thread
cpu_dummy_writes bisqwit Tests the CPU's dummy writes thread
cpu_exec_space bisqwit Verifies that the CPU can execute code from any possible memory location, even if that is mapped as I/O space thread
cpu_flag_concurrency bisqwit Unsure what results are meant to be, see thread for more info. thread
cpu_interrupts_v2 blargg Tests the behavior and timing of CPU in the presence of interrupts, both IRQ and NMI; see CPU interrupts. thread
cpu_reset blargg Tests CPU registers just after power and changes during reset, and that RAM isn't changed during reset.
cpu_timing_test6 blargg This program tests instruction timing for all official and unofficial NES 6502 instructions except the 8 branch instructions (Bxx) and the 12 halt instructions (HLT) thread
coredump jroatch Coredump tool for displaying contents of RAM thread
instr_misc blargg Tests some miscellaneous aspects of instructions, including behavior when 16-bit address wraps around, and dummy reads.
instr_test_v5 blargg Tests official and unofficial CPU instructions and lists which ones failed. It will work even if emulator has no PPU and only supports NROM, writing a copy of output to $6000 (see readme). This more thoroughly tests instructions, but can't help you figure out what's wrong beyond what instruction(s) are failing, so it's better for testing mature CPU emulators.
instr_timing blargg Tests timing of all instructions, including unofficial ones, page-crossing, etc.
nestest (doc) kevtris fairly thoroughly tests CPU operation. This is the best test to start with when getting a CPU emulator working for the first time. Start execution at $C000 and compare execution with a known good log (created using Nintendulator, an emulator chosen by the test's author because its CPU was verified to function correctly, aside from some minor details of the power-up state).
ram_retain rainwarrior RAM contents test, for displaying contents of RAM at power-on or after reset thread

PPU Tests

Name Author Description Resources
color_test rainwarrior Simple display of any chosen color full-screen thread
blargg_ppu_tests_2005.09.15b blargg Miscellaneous PPU tests (palette ram, sprite ram, etc.) thread
full_nes_palette blargg Displays the full palette with all emphasis states, demonstrates direct PPU color control thread
nmi_sync blargg Verifies NMI timing by creating a specific pattern on the screen (NTSC & PAL versions) thread
ntsc_torture rainwarrior NTSC Torture Test displays visual patterns to demonstrate NTSC signal artifacts thread
oam_read blargg Tests OAM reading ($2004), being sure it reads the byte from OAM at the current address in $2003. thread
oam_stress blargg Thoroughly tests OAM address ($2003) and read/write ($2004) thread
oamtest3 lidnariq Utility to upload OAM data via $2003/$2004 - can be used to test for the OAMADDR bug behavior thread 1 thread 2
palette rainwarrior Palette display requiring only scanline-based palette changes, intended to demonstrate the full palette even on less advanced emulators thread
ppu_open_bus blargg Tests behavior when reading from open-bus PPU bits/registers
ppu_read_buffer bisqwit Mammoth test pack tests many aspects of the NES system, mostly centering around the PPU $2007 read buffer thread
ppu_sprite_hit blargg Tests sprite 0 hit behavior and timing thread
sprite_overflow_tests blargg Tests sprite overflow behavior and timing thread
ppu_vbl_nmi blargg Tests the behavior and timing of the NTSC PPU's VBL flag, NMI enable, and NMI interrupt. Timing is tested to an accuracy of one PPU clock. thread
scanline Quietust Displays a test screen that will contain glitches if certain portions of the emulation are not perfect.
sprdma_and_dmc_dma blargg Tests the cycle stealing behavior of the DMC DMA while running Sprite DMAs thread
sprite_hit_tests_2005.10.05 blargg Generally the same as ppu_sprite_hit (older revision of the tests - ppu_sprite_hit is most likely better) thread
sprite_overflow_tests blargg Generally the same as ppu_sprite_overflow (older revision of the tests - ppu_sprite_overflow is most likely better) thread
tvpassfail tepples NTSC color and NTSC/PAL pixel aspect ratio test ROM (older revision of the tests - 240p Test Suite is most likely better) thread
vbl_nmi_timing blargg Generally the same as ppu_vbl_nmi (older revision of the tests - ppu_vbl_nmi is most likely better) thread

APU Tests

Name Author Description Resources
apu_mixer blargg Verifies proper operation of the APU's sound channel mixer, including relative volumes of channels and non-linear mixing. recordings when run on NES are available for comparison, though the tests are made so that you don't really need these. thread
apu_phase_reset Rahsennor Tests the correct square channel behavior when writing to $4003/4007 (reset the duty cycle sequencers but not the clock dividers) thread
apu_reset blargg Tests initial APU state at power, and the effect of reset.
apu_test blargg Tests many aspects of the APU that are visible to the CPU. Really obscure things are not tested here.
blargg_apu_2005.07.30 blargg Tests APU length counters, frame counter, IRQ, etc.
dmc_dma_during_read4 blargg Tests register read/write behavior while DMA is running
dmc_tests ? ?
dpcmletterbox tepples Tests accuracy of the DMC channel's IRQ
pal_apu_tests blargg PAL version of the blargg_apu_2005.07.30 tests
square_timer_div2 blargg Tests the square timer's period
test_apu_2 (1-10) (11) x0000 11 tests that verify a number of behaviors with the APU (including the frame counter) thread
test_apu_env blargg Tests the APU envelope for correctness.
test_apu_sweep blargg Tests the sweep unit's add, subtract, overflow cutoff, and minimum period behaviors.
test_apu_timers blargg Tests frequency timer of all 5 channels
test_tri_lin_ctr blargg Tests triangle's linear counter and clocking by the frame counter
volume_tests tepples Plays tones on all the APU's channels to show their relative volumes at various settings of $4011. Package includes a recording from an NES's audio output for comparison.

Mapper-specific Tests

Name Author Description Resources
31_test rainwarrior Tests for mapper 31 (see thread for ROMs in various PRG sizes) thread
BNTest tepples Tests how many PRG banks are reachable in BxROM and AxROM. thread GitHub
bxrom_512k_test rainwarrior Similar to the BxROM test in BNTest above. thread
FdsIrqTests (v7) Sour Tests various elements of the FDS' IRQ thread
exram Quietust MMC5 exram test
famicom_audio_swap_tests rainwarrior Hotswap tests for Famicom expansion audio (5B, MMC5, VRC6, VRC7, N163, FDS) thread
fme7acktest-r1 tepples Checks some IRQ acknowledgment behiaviors of Sunsoft FME-7 that emulators were getting wrong in 2015. thread
fme7ramtest-r1 tepples Checks how much work RAM the Sunsoft FME-7 can access thread GitHub
Holy Mapperel tepples Detects over a dozen mappers and verifies that all PRG ROM and CHR ROM banks are reachable, that PRG RAM and CHR RAM can be written and read back without error, and that nametable mirroring, IRQ, and WRAM protection work. (Formerly Holy Diver Batman) thread GitHub
mmc3bigchrram tepples MMC3 test for large 32kb CHR RAM with NES 2.0 headers thread GitHub
mmc3_test_2 blargg MMC3 scanline counter and IRQ generation tests.
mmc3irqtest N-K MMC3 scanline IRQ test and $C000 glitch investigation. thread
mmc5test Drag MMC5 scanline counter thread
mmc5test_v2 AWJ MMC5 tests thread
serom lidnariq Tests the constraints of SEROM / SHROM / SH1ROM variations of the MMC1 boards. thread
NES 2.0 Submapper Tests rainwarrior 2_test - Mapper 2, Submappers 0, 1 and 2 thread
rainwarrior 3_test - Mapper 3, Submappers 0, 1 and 2 thread
rainwarrior 7_test - Mapper 7, Submappers 0, 1 and 2 thread
rainwarrior 34_test - Mapper 34, Submappers 1 and 2 thread
test28 tepples Tests for mapper 28 thread GitHub
vrc24test AWJ Detects and tests all VRC 2/4 variants thread
vrc6test natt VRC6 mirroring tests thread
mmc5ramsize rainwarrior MMC5 large PRG-RAM support tests thread
mmc1atest tepples Characterizes behavior of MMC1A vs. MMC1B thread GitHub
n163_soundram rainwarrior Test for Namco 163 audio sound RAM read-back. thread
n163_soundram_init rainwarrior Test for Namco 163 audio sound RAM contents at power-on. thread

Input Tests

Name Author Description Resources
allpads tepples Multiple controller test supporting NES controller, Super NES controller, Famicom microphone, Four Score, Zapper, NES Arkanoid controller, and Super NES Mouse; also has raw 32-bit report mode thread GitHub
dma_sync_test_v2 Rahsennor Tests DMC DMA read corruption thread
PaddleTest3 3gengames Test for the Arkanoid controller thread
vaus lidnariq Arkanoid controller 9-bit result test thread
read_joy3 blargg Various NES controllers tests, including read corruption due to DMC DMA thread
Zap Ruder tepples Test for the Zapper, including dual wield but not the serial Vs. variant thread GitHub
spadtest-nes tepples Super Nintendo controller test (when connected to a NES) thread
vaus_test tepples Another test for the Arkanoid controller thread GitHub
mset rainwarrior SNES mouse test thread
mict rainwarrior Famicom microphone test thread
Telling LYs? tepples Tests whether input can change on any scanline thread GitHub
ctrltest rainwarrior Generic log of 16-bit report on all 5 input data lines. thread
raw

pack2

lidnariq Immediate state of 32-bit report on all 5x2 input data lines.

Immediate state of 64-bit report on all 5x2 input data lines.

thread
zapper tests rainwarrior Simple tests for displaying output of zapper reads. thread
powerpadgesture tepples Gesture test for Power Pad displaying log of presses and releases. thread
POWERPAD.NES Tennessee Carmel-Veilleux Old simple test for Power Pad. powerpad.txt
d34test rainwarrior Generic log of 32-bit report on D3 and D4 data lines, with 16-bit report on D0. thread
kmbtest rainwarrior Input test for a proposed USB Keyboard and Mouse interface. thread

Misc Tests

Name Author Description Resources
240pee-0.22 tepples 240p Test Suite (an NES version of the 240p Test Suite by Artemio Urbina), including an MDFourier tone generator thread GitHub
characterize-vs lidnariq VS System tests thread
NEStress Flubba Old test - some of the tests are supposed to fail on real hardware.
oc-r1a tepples Detects and displays accurate clock rate of the NES (since incorporated into 240p Test Suite) thread
nes-audio-tests rainwarrior NSF and NES ROM tests for expansion audio sound, NSF behaviour, and other various audio related things.

Automated testing

It's best if your emulator can automatically run a suite of tests at the press of a button. This allows you to re-run them every time you make a change, without any effort. Automation can be difficult, because the emulator must be able to determine success/failure without your help.

The first part of automated testing is support for a "movie" or "demo", or a list of what buttons were pressed when. An emulator makes a movie by recording presses while the user is playing, and then it plays the movie by feeding the recorded presses back through the input system. This not only helps automated testing but also makes your emulator attractive to speedrunners.

To create a test case, record a movie of the player activating all tests in a ROM, take a screenshot of each result screen, and log the time and a hash of each screenshot. The simplest test ROMs won't require any button presses. ROMs that test more than one thing are more likely to require them, and an actual game will require a playthrough. Then to run a test case, play the movie in fast-forward (no delay between frames) and take screenshots at the same times. If a screenshot's hash differs from that of the corresponding screenshot from when the test case was created, make a note of this difference in the log. Then you can compare the emulator's output frame-by-frame to that of the previous release of your emulator running the same test case.

See also