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== CPU Tests ==
== CPU Tests ==


{| class="wikitable"
{| class="wikitable sortable"
|-
|-
| blargg_nes_cpu_test5 || Similar to cpu_timing_test6 (an older or newer revision?)
! Name
! Author
! Description
! Resources
|-
|-
| branch_timing_tests || These ROMs test timing of the branch instruction, including edge cases
| [http://www.slack.net/~ant/nes-tests/branch_timing_tests.zip branch_timing_tests] || blargg || These ROMs test timing of the branch instruction, including edge cases ||
|-
|-
| cli_latency || This ROM tests the CLI and related instructions' delay in taking effect, and related IRQ behavior.
| [https://github.com/christopherpow/nes-test-roms/raw/master/cpu_dummy_reads/cpu_dummy_reads.nes cpu_dummy_reads] || blargg || Tests the CPU's dummy reads || [https://forums.nesdev.org/viewtopic.php?p=31629 thread]
|-
| cpu_dummy_reads || Tests the CPU's dummy reads
|-  
|-  
| cpu_dummy_writes || Tests the CPU's dummy writes
| [http://bisqwit.iki.fi/src/nes_tests/cpu_dummy_writes.zip cpu_dummy_writes] || bisqwit || Tests the CPU's dummy writes || [https://forums.nesdev.org/viewtopic.php?t=8738 thread]
|-  
|-  
| cpu_exec_space || Verifies that the CPU can execute code from any possible memory location, even if that is mapped as I/O space
| [http://bisqwit.iki.fi/src/nes_tests/cpu_exec_space.zip 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 || [https://forums.nesdev.org/viewtopic.php?t=8755 thread]
|-  
|-  
| cpu_flag_concurrency || (Not sure about this one - need to find the thread where it was posted)
| [http://bisqwit.iki.fi/kala/test1.zip cpu_flag_concurrency] || bisqwit || Unsure what results are meant to be, see thread for more info. || [https://forums.nesdev.org/viewtopic.php?f=3&t=8757 thread]
|-
|-
| cpu_interrupts_v2 || Tests the behavior and timing of CPU in the presence of interrupts, both IRQ and NMI; see CPU interrupts.
| [http://blargg.8bitalley.com/parodius/nes-tests/cpu_interrupts_v2.zip cpu_interrupts_v2] || blargg || Tests the behavior and timing of CPU in the presence of interrupts, both IRQ and NMI; see CPU interrupts. || [https://forums.nesdev.org/viewtopic.php?f=2&t=6510 thread]
|-
|-
| cpu_reset || Tests CPU registers just after power and changes during reset, and that RAM isn't changed during reset.
| [http://blargg.8bitalley.com/parodius/nes-tests/cpu_reset.zip cpu_reset] || blargg || Tests CPU registers just after power and changes during reset, and that RAM isn't changed during reset. ||
|-  
|-  
| cpu_timing_test6 || 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)
| [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]
|-  
|-  
| instr_misc || 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. ||
|-  
|-  
| instr_test_v5 || 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.
| [http://blargg.8bitalley.com/nes-tests/instr_test-v5.zip 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 || 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. ||
|-
|-
| 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] || ? || 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). ||
|}
|}  


== PPU Tests ==
== PPU Tests ==


{| class="wikitable"
{| class="wikitable sortable"
! Name
! Author
! Description
! Resources
|-
|-
| blargg_ppu_tests_2005.09.15b || Miscellaneous PPU tests (palette ram, sprite ram, etc.)
| [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]
|-
|-
| full_palette || Displays the full palette with all emphasis states, demonstrates direct PPU color control
| [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]
|-  
|-  
| nmi_sync || Verifies NMI timing by creating a specific pattern on the screen (NTSC & PAL versions)
| [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]
|-
|-
| oam_read || Tests OAM reading ($2004), being sure it reads the byte from OAM at the current address in $2003.
| [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]
|-
|-
| oam_stress || Thoroughly tests OAM address ($2003) and read/write ($2004)
| [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]
|-
|-
| ppu_open_bus || 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 ||
|-
|-
| ppu_read_buffer || Mammoth test pack tests many aspects of the NES system, mostly centering around the PPU $2007 read buffer
| [http://bisqwit.iki.fi/src/nes_tests/ppu_read_buffer.zip ppu_read_buffer] || bisqwit || Mammoth test pack tests many aspects of the NES system, mostly centering around the PPU $2007 read buffer || [https://forums.nesdev.org/viewtopic.php?f=3&t=8847&start=0 thread]
|-
|-
| ppu_sprite_hit || Tests sprite 0 hit behavior and timing
| [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]
|-
|-
| ppu_sprite_overflow || Tests sprite overflow behavior and timing
| [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]
|-
|-
| ppu_vbl_nmi || 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.
| [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]
|-
|-
| scanline || 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. ||
|-  
|-  
| sprite_hit_tests_2005.10.05 || Generally the same as ppu_sprite_hit (older revision of the tests - ppu_sprite_hit is most likely better)
| [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]
|-
|-
| sprite_overflow_tests || Generally the same as ppu_sprite_overflow (older revision of the tests - ppu_sprite_overflow is most likely better)
| [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]
|-
|-
| sprdma_and_dmc_dma || Tests the cycle stealing behavior of the DMC DMA while running Sprite DMAs
| [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]
|-
|-
| tvpassfail || NTSC color and NTSC/PAL pixel aspect ratio test ROM
| [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]
|-
|-
| vbl_nmi_timing || Generally the same as ppu_vbl_nmi (older revision of the tests - ppu_vbl_nmi is most likely better)
| [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]
|}
|}


== APU Tests ==
== APU Tests ==


{| class="wikitable"
{| class="wikitable sortable"
! Name
! Author
! Description
! Resources
|-
|-
| apu_mixer || 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.
| [http://blargg.8bitalley.com/parodius/nes-tests/apu_mixer.zip 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. || [https://forums.nesdev.org/viewtopic.php?f=3&t=4911 thread]
|-
|-  
| apu_phase_reset || Tests the correct square channel behavior when writing to $4003/4007 (reset the duty cycle sequencers but not the clock dividers)
| [https://forums.nesdev.org/download/file.php?id=7496 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) || [https://forums.nesdev.org/viewtopic.php?f=2&t=15346 thread]
|-
|-
| apu_reset || Tests initial APU state at power, and the effect of reset.
| [http://blargg.8bitalley.com/parodius/nes-tests/apu_reset.zip apu_reset] || blargg || Tests initial APU state at power, and the effect of reset. ||
|-
| apu_sweep || Tests the sweep unit's add, subtract, overflow cutoff, and minimum period behaviors.
|-  
|-  
| apu_test || Tests many aspects of the APU that are visible to the CPU. Really obscure things are not tested here.
| [http://blargg.8bitalley.com/parodius/nes-tests/apu_test.zip 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 || Tests APU length counters, frame counter, IRQ, etc.
| [http://www.slack.net/~ant/nes-tests/blargg_apu_2005.07.30.zip blargg_apu_2005.07.30] || blargg || Tests APU length counters, frame counter, IRQ, etc. ||
|-  
|-  
| dmc_dma_during_read4 || Tests register read/write behavior while DMA is running
| [http://blargg.8bitalley.com/parodius/nes-tests/dmc_dma_during_read4.zip dmc_dma_during_read4] || blargg || Tests register read/write behavior while DMA is running ||
|-  
|-  
| dmc_tests || ??
| [https://github.com/christopherpow/nes-test-roms/tree/master/dmc_tests dmc_tests] || ? || ? ||
|-  
|-  
| dpcmletterbox || Tests accuracy of the DMC channel's IRQ
| [http://pics.pineight.com/nes/dpcmletterbox.zip dpcmletterbox] || tepples || Tests accuracy of the DMC channel's IRQ ||
|-  
|-  
| pal_apu_tests || PAL version of the blargg_apu_2005.07.30 tests
| [http://www.slack.net/~ant/nes-tests/pal_apu_tests.zip pal_apu_tests] || blargg || PAL version of the blargg_apu_2005.07.30 tests ||
|-
|-
| square_timer_div2 || Tests the square timer's period  
| [http://blargg.8bitalley.com/parodius/nes-tests/older/square_timer_div2.zip square_timer_div2] || blargg || Tests the square timer's period ||
|-  
|-  
| test_apu_2 || 11 tests that verify a number of behaviors with the APU (including the frame counter)
| [https://forums.nesdev.org/download/file.php?id=1494 test_apu_2 (1-10)] [https://forums.nesdev.org/download/file.php?id=5699 (11)] || x0000 || 11 tests that verify a number of behaviors with the APU (including the frame counter) || [https://forums.nesdev.org/viewtopic.php?f=3&t=11174 thread]
|-
|-
| test_apu_env || Tests the APU envelope for correctness.
| [http://blargg.8bitalley.com/parodius/nes-tests/older/test_apu_env.zip test_apu_env] || blargg || Tests the APU envelope for correctness. ||
|-  
|-  
| test_apu_sweep || Tests the sweep unit's add, subtract, overflow cutoff, and minimum period behaviors.
| [http://blargg.8bitalley.com/parodius/nes-tests/older/test_apu_sweep.zip test_apu_sweep] || blargg || Tests the sweep unit's add, subtract, overflow cutoff, and minimum period behaviors. ||
|-  
|-  
| test_apu_timers || Tests frequency timer of all 5 channels
| [http://blargg.8bitalley.com/parodius/nes-tests/older/test_apu_timers.zip test_apu_timers] || blargg || Tests frequency timer of all 5 channels ||
|-  
|-  
| test_tri_lin_ctr || Tests triangle's linear counter and clocking by the frame counter
| [http://blargg.8bitalley.com/parodius/nes-tests/older/test_tri_lin_ctr.zip test_tri_lin_ctr] || blargg || Tests triangle's linear counter and clocking by the frame counter ||
|-
|-
| volume_tests || 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.
| [http://pics.pineight.com/nes/volume_tests.zip 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 ==
== Mapper-specific Tests ==


{| class="wikitable"
{| class="wikitable sortable"
|-
! Name
| 31_test || Tests for mapper 31 (with various NES 2.0 headers for PRG ROM sizes)
! Author
! Description
! Resources
|-
|-
| BNTest || Tests how many PRG banks are reachable in BxROM and AxROM.
| [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]
|-
|-
| bxrom_512k_test || Similar to the BxROM test in BNTest above.
| [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]
|-
|-
| exram || MMC5 exram test
| [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]
|-
|-
| fme7acktest-r1 || Checks some IRQ acknowledgment behiaviors of Sunsoft FME-7 that emulators were getting wrong in 2015. (by tepples)
| [http://www.qmtpro.com/~nes/demos/mmc5exram.zip exram] || Quietust || MMC5 exram test ||
|-
|-
| fme7ramtest-r1 || Checks how much work ram the Sunsoft FME-7 can access
| [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]
|-
|-
| Holy Diver Batman || 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. (by tepples)
| [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]
|-
|-
| MMC1_A12 || (Not sure?)
| [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]
|-
|-
| mmc3bigchrram || MMC3 test for large 32kb CHR RAM with NES 2.0 headers
| [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]
|-
|-
| mmc3_irq_tests
| [http://blargg.8bitalley.com/parodius/nes-tests/mmc3_test_2.zip mmc3_test] || blargg || MMC3 scanline counter and IRQ generation tests. ||
mmc3_test  
| Three different revisions of the same MMC3 scanline counter and IRQ generation tests.
|-
|-
| serom || Tests the constraints of SEROM / SHROM / SH1ROM variations of the MMC1 boards.
| [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 || 2_test - Mapper 2, Submappers 0, 1 and 2
| 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]
|-
|-
| 3_test - Mapper 3, Submappers 0, 1 and 2
| 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]
|-
|-
| 7_test - Mapper 7, Submappers 0, 1 and 2
| 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]
|-
|-
| 34_test - Mapper 34, Submappers 1 and 2
| 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]
|-
|-
| test28 || Tests for mapper 28
| [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]
|-
|-
| vrc6test || VRC6 mirroring tests
| [http://www.mediafire.com/download/6hvuj53omv8y3fn/vrc6test.zip vrc6test] || natt || VRC6 mirroring tests || [https://forums.nesdev.org/viewtopic.php?t=11028 thread]
|}
|}


== Input Tests ==
== Input Tests ==
{| class="wikitable"
{| class="wikitable sortable"
! Name
! Author
! Description
! Resources
|-
|-
| allpads || Multiple controller test supporting NES controller, Super NES controller, Famicom microphone, Four Score, Zapper, NES Arkanoid controller, and Super NES Mouse
| [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]
|-
|-
| dma_sync_test_v2 || Tests DMC DMA read corruption
| [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
| mousetest || || Test for a Super Famicom mouse wired in a Famicom expansion port as controller 3 ||
|-
|-
| PaddleTest3 || Test for the Arkanoid controller
| [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]
|-
|-
| read_joy3 || Various NES controllers tests, including read corruption due to DMC DMA
| [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]
|-
|-
| ruder || Test for the Zapper, including dual wield but not the serial Vs. variant
| [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]
|-
|-
| spadtest-nes || Super Nintendo controller test (when connected to a NES)
| [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]
|-
|-
| vaus_test || Another test for the Arkanoid controller
| [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]
|}
|}


== Misc Tests ==
== Misc Tests ==
{| class="wikitable"
{| class="wikitable sortable"
! Name
! Author
! Description
! Resources
|-
|-
| characterize-vs || VS System tests
| [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]
|-
|-
| NEStress || Old test - some of the tests are supposed to fail on real hardware.
| [http://nesdev.org/NEStress.zip NEStress] || || Old test - some of the tests are supposed to fail on real hardware. ||
|-
|-
| oc-r1a || Detects and displays accurate clock rate of the NES
| [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]
|}
|}
== Confirmed ==
As I promised, I added you to the trusted group before I left my bedroom this morning. --[[User:Tepples|Tepples]] ([[User talk:Tepples|talk]]) 11:13, 7 January 2017 (MST)

Latest revision as of 13:42, 12 March 2020

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
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 ? 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).

PPU Tests

Name Author Description Resources
blargg_ppu_tests_2005.09.15b blargg Miscellaneous PPU tests (palette ram, sprite ram, etc.) thread
full_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
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
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
ppu_sprite_overflow 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.
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
sprdma_and_dmc_dma blargg Tests the cycle stealing behavior of the DMC DMA while running Sprite DMAs thread
tvpassfail tepples NTSC color and NTSC/PAL pixel aspect ratio test ROM 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 (with various NES 2.0 headers for PRG ROM sizes) thread
BNTest tepples Tests how many PRG banks are reachable in BxROM and AxROM. thread
bxrom_512k_test rainwarrior Similar to the BxROM test in BNTest above. thread
exram Quietust MMC5 exram test
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
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. thread
mmc3bigchrram tepples MMC3 test for large 32kb CHR RAM with NES 2.0 headers thread
mmc3_test blargg MMC3 scanline counter and IRQ generation tests.
serom lidnariq Tests the constraints of SEROM / SHROM / SH1ROM variations of the MMC1 boards. thread
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
vrc6test natt VRC6 mirroring tests 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 thread GitHub
dma_sync_test_v2 Rahsennor Tests DMC DMA read corruption thread
mousetest Test for a Super Famicom mouse wired in a Famicom expansion port as controller 3
PaddleTest3 3gengames Test for the Arkanoid controller 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

Misc Tests

Name Author Description Resources
characterize-vs lidnariq VS System tests thread
NEStress 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 thread