Emulator tests

Test ROMs that may be helpful for developing an emulator.

General

• undisbeliever SNES Test ROMS
• blargg hardware tests
• TASVideos SNES Accuracy Tests

CPU

• Forum thread: "Writing $4203 twice too fast gives erroneous result (not emulated)" - contains some tests for obscure multiplier behaviour, work in progress.

PPU

ROM	Notes
gradient-test.sfc	Test of CGWSEL by NovaSquirrel to demonstrate inaccurate emulator behaviour.
Two Ship Demo	Demo by rainwarrior comparing mode 5 + interlacing against mode 1 graphics.
PPU Bus Activity Demo	Demo by lidnariq which includes mode 6, among other things.
Elasticity Demo	Demo by rainwarrior comparing techniques for improving color depth.

Input

• ctrltest - Generic controller read test.
• mset - Mouse peripheral test.

See Also

• Tricky-to-emulate games
• Uncommon graphics mode games