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Author SHA1 Message Date
100thCoin
b9feaeb7f1 Fixed an infinite loop in INC $4014 
The NMI routine is now properly set up.
 2025-09-20 11:30:40 -04:00
100thCoin
76abba6bb2 Fixed a typo in INC $4014 
replaced an instance of "DMC DMA" with "OAM DMA" in a comment
 2025-09-17 20:04:00 -04:00
100thCoin
805e4fa5b0 Fixed an issue with the INC $4014 test 2025-09-17 19:28:25 -04:00
100thCoin
c529504368 Added a pre-requisite error code for INC $4014 
The DMC DMA needs to update the data bus for this one.
 2025-09-17 17:39:06 -04:00
100thCoin
ebac840bb5 Added a test for "INC $4014" behavior. 
Two error codes: The first one verifies the OAM DMA is reading from the incremented value
 2025-09-17 17:12:23 -04:00
100thCoin
6d02096c32 Fixed mistyped test name 
Opcode $D3 is now referred to properly by the ROM.
 2025-09-11 11:28:51 -04:00
100thCoin
95b1fd4d73 DMC DMA Bus Conflict now works on Toploaders 
Added an answer key for the top-loader console model, and how it changes the open bus bits of the controller ports.
 2025-09-10 17:12:13 -04:00
100thCoin
d7ed958000 Simplified error code 5 of the Open Bus test. 
Instead of relying on bit 5 of APUSTATUS, it just simply uses address $4000, where all the bits read are open bus.
 2025-09-10 13:15:09 -04:00
100thCoin
efca878f8b Merge branch 'main' of https://github.com/100thCoin/AccuracyCoin 2025-09-10 00:05:39 -04:00
100thCoin
7f939c2b4e Fixed opcode $93's magic number printing routine 
It now uses opcode $93 instead of opcode $9F.
 2025-09-10 00:05:37 -04:00
Chris Siebert
251c32f2a2 Create LICENSE 
Added the MIT license
 2025-09-09 12:12:19 -04:00
100thCoin
a2737905f3 Fixed Open Bus error code 7 
X was the wrong value, so the test was doing the wrong thing,
 2025-09-08 23:30:35 -04:00
100thCoin
81564aad76 Corrected the DCP opcodes 
Replaced "Bx" with "Dx"
 2025-09-08 10:29:02 -04:00
100thCoin
9ca783f2cb "APU Register Activation" works when holding A. 
Holding A would break this test, so I have added some checks to prevent that from being an issue.
 2025-09-07 19:11:42 -04:00
100thCoin
132a62a8cf Fixed an issue with "APU Register Activation" 
Different console revisions would read the controller ports differently, so APU Register Activation test 6 would break.
 2025-09-07 18:47:20 -04:00
100thCoin
4b20a4507c Fixed a crash in "Implied Dummy Reads" 
The implied dummy reads test would crash if ran on a top-loader during the all-test mode. The JSR instruction moved to the wrong address, ($421) so the rest results from the Opcode $47 test results were where it jumped. I have since relocated those test results, and left address $421 as the value $00.
 2025-09-07 11:49:40 -04:00
100thCoin
1e2c10b836 Added more comments to better explain some tests 2025-08-26 16:35:18 -04:00
100thCoin
2f7d287b26 Fixed a typo 
Updated some more comments that should have been fixed a while ago.
 2025-08-11 18:58:13 -04:00
100thCoin
95f79cb6d1 Fixed some outdated comments 
I updated the unofficial instruction test a while back to prevent the magic numbers of SHA from modifying the results, but I forgot to update the comments at the time explaining the test.
 2025-08-11 18:53:08 -04:00
100thCoin
8592d9900d Fixed issues with the less ideal DMC Sync. 
The less ideal DMC Sync routine now properly sets the DMC Sample Address, preventing an accidental infinite loop.
The less ideal DMC Sync routine now also verified the DMC sample ends before entering an otherwise infinite loop.
 2025-08-02 14:38:19 -04:00
100thCoin
7c5885ef86 Updated Frame Counter IRQ and Interrupt Polling 
Added error code N and O to Frame Counter IRQ, which tests for the timing of the IRQ interrupting the CPU while the I flag is cleared.
Added error code C to the Interrupt Polling test, which verifies the behavior of branch polling, where the first poll detects an IRQ and the flag is cleared before the second poll.
 2025-07-31 15:13:04 -04:00
100thCoin
3a2656492e Removed NOPs from the Unofficial Instruction Test. 
Removed NOPs from the Unofficial Instruction Test, as there's now a test specifically for the NOPs.
Added success codes for the APU Register Activation Test.
Slightly extended the debugging with SHA and SHS.
 2025-07-25 16:23:48 -04:00
100thCoin
69158aa141 Extended D flag test, fixed bug in Palette Quirks. 
Made sure the Decimal Flag Test tests both ADC and SBC.
Error code 1 for Palette RAM Quirks now draws the correct value.
 2025-07-23 13:08:47 -04:00
100thCoin
0d22933bc7 Fixed an issue with the DMC Bus Conflict test 
A branch crossed a page boundary and broke some timing.
 2025-07-22 17:27:50 -04:00
100thCoin
339c2cff32 Updated NMI Overlapping BRK test 
I made the BRK occur a few CPU cycles earlier, and added ORA #$80 to the BRK and NMI routines to verify that the NMI is not polled in the final cycles of BRK.
 2025-07-22 17:17:10 -04:00
100thCoin
029000b593 Fixed formatting in ReadMe. 
Added double spaces at the end of some lines. Changed capitalization for some other stuff.
 2025-07-20 15:21:30 -04:00
100thCoin
6d16c0c6ff Fixed a formatting issue in the ReadMe. 
added two spaces at the end of a line to move the following line to the next line.
 2025-07-20 15:16:52 -04:00
100thCoin
446420a99b Fixed a small typo 2025-07-19 12:41:20 -04:00
100thCoin
fe63df540e Fixed a lot of typos 
Fixed a lot of typos
 2025-07-18 14:40:49 -04:00
100thCoin
f21f234137 Added the "Palette RAM Quirks" test 
Added a test for various quirks of Palette RAM.
Renamed "currentSubTest" to "ErrorCode".
Corrected spelling and grammatical mistakes in the README.
Added more comments to the ROM.
 2025-07-18 13:41:58 -04:00
100thCoin
63e51c84b5 Updated the All NOPs test. 
Fixed a false-positive with the flags, since the way to verify incorrect opcode length involves DEY.
 2025-07-13 00:55:50 -04:00
100thCoin
07b1c37995 Updated the all NOPs test. 
Added very thorough checks for all instruction size inaccuracies.
 2025-07-13 00:50:03 -04:00
100thCoin
906165098d Updated the all NOP test 
The test now properly checks for writes to RAM.
 2025-07-12 23:53:38 -04:00
100thCoin
0fd62635c2 Updated the all NOP test 
The absolute NOP instructions now NOP to address $05CA as well as $2002
 2025-07-12 23:38:46 -04:00
100thCoin
d2d135f7da Updated All NOP test 
Fixed an issue with false flags
 2025-07-12 23:28:50 -04:00
100thCoin
582c8cec78 Expanded the all NOP test 2025-07-12 23:13:10 -04:00
100thCoin
8d469cb13b Added a test for JSR edge cases 
Added a test for JSR pushing the correct bytes, and setting the data bus to the correct value.
 2025-07-12 21:40:38 -04:00
100thCoin
60f0650e8d Added a check for JSR pushing the correct return address 
If JSR pushes the wrong return address, the "CopyReturnAddressToByte0" and "FixRTS" functions now take this into account.
This will likely be added to a new test.
 2025-07-09 02:20:01 -04:00
100thCoin
14f7e02bc3 Fixed the timing of the DMC Bus Conflict test. 2025-06-27 02:08:45 -04:00
100thCoin
4fa2354278 Fixed CLI in the newest test causing an IRQ. 2025-06-27 00:23:29 -04:00
100thCoin
3598d0559e Updated Readme for Instruction Timing Test 2025-06-26 17:39:56 -04:00
100thCoin
c28cc8696f Updated the Instruction Timing test 
I'm pretty sure it tests every official opcode now.
 2025-06-26 17:28:40 -04:00
100thCoin
c13dc68719 Fixed test for DMC Conflict bug with Famicoms 
I also added extra debugging tools for the SHA and SHS tests.
 2025-06-25 13:38:57 -04:00
100thCoin
3442a47fc9 Fixed a visual bug with the all-tests menu. 
The "Print Text" subroutine behaves differently if "dontSetPointer" is set to 0 or 1. I used this subroutine in the all-tests menu, but did not clear "dontSetPointer" after running previous tests. This has been fixed.
 2025-06-25 13:26:53 -04:00
100thCoin
12bbb53d6b The Power on state tests no longer run on resets. 
The Power on state tests no longer run on resets.
 2025-06-25 13:19:45 -04:00
100thCoin
774f2f5a4b The "print tests" are now labeled with "DRAW" 
Instead of showing "TEST" "PASS" or "FAIL", the 5 tests that simply print information on screen are now labeled as "DRAW", which does not get replaced with a pass/fail.
 2025-06-25 13:05:56 -04:00
100thCoin
dd629e0575 Updated the .nes file to match the .asm changes. 2025-06-24 21:59:12 -04:00
100thCoin
9a322ceb59 Removed error code 5 form the OAM test. 2025-06-24 21:55:53 -04:00
100thCoin
312a89788e Added a test for OAM Corruption 
Added a test for OAM Corruption
Reordered some of the open bus tests.
 2025-06-24 18:21:35 -04:00
100thCoin
8509e14922 Fixed a typo in the readme. 2025-06-18 15:36:32 -04:00