User contributions for Ben Boldt
From NESdev Wiki
Jump to navigationJump to search
25 March 2024
- 02:1502:15, 25 March 2024 diff hist 0 m MMC5 →Internal extended RAM mode ($5104)
- 02:1202:12, 25 March 2024 diff hist +466 MMC5 →Internal extended RAM mode ($5104): Details added for $5104 register. Testing revealed that mode 11 does work as a read-only nametable.
- 01:3601:36, 25 March 2024 diff hist +64 MMC5 →Scanline IRQ Status ($5204, read/write): pin 92 info
- 01:3301:33, 25 March 2024 diff hist +12 MMC5 pinout I found that driving pin 92 low makes the MMC5 think it is always out of frame. current
24 March 2024
- 21:1421:14, 24 March 2024 diff hist +137 MMC5 →Scanline IRQ Status ($5204, read/write): In-frame bit clarification. I think we knew this already but I did test to confirm the h-blank. I did a test program that reads $5204, ROL*3, write to $4016, then watched OUT0 with a scope.
16 January 2024
- 12:1612:16, 16 January 2024 diff hist +412 PPU attribute tables Added expansion section
31 December 2023
- 03:1603:16, 31 December 2023 diff hist 0 m MMC5 →PRG Bankswitching ($5113-$5117): Made example select ROM since 10 was larger than possible for RAM.
30 December 2023
- 00:3900:39, 30 December 2023 diff hist +6,269 MMC5 →PRG Bankswitching ($5113-$5117): Bankswitch register clarification. No new info; just trying to explain it better.
27 October 2022
- 03:4203:42, 27 October 2022 diff hist −254 m MMC5 →Scanline Detection and Scanline IRQ: Removed the last paragraph about reset detection, which was already explained farther up.
27 August 2022
- 16:3816:38, 27 August 2022 diff hist +22 m Famicom Network System →Data Bus Behavior: Added note, Kanji ROM /CE pin.
11 August 2022
- 17:5517:55, 11 August 2022 diff hist +607 Famicom Network System Removed unnecessary "1=" from yes/no table cell style templates. Added unknown/unconfirmed register $40A0 (placeholder).
9 August 2022
- 21:2121:21, 9 August 2022 diff hist −2 m MMC5 →Internal extended RAM mode ($5104): Removed unnecessary "1=" from table.
- 21:1921:19, 9 August 2022 diff hist −216 m VRC7 audio →Debug Mode: Remove unnecessary "1=" from table.
- 21:1721:17, 9 August 2022 diff hist −512 m Everdrive N8 →Mapper compatibility: Removed unnecessary "1=" from table.
- 21:1621:16, 9 August 2022 diff hist −512 m KrzysioCart →Mapper Compatibility: Removed unnecessary "1=" from table. current
- 21:1621:16, 9 August 2022 diff hist −512 m PowerPak →Offical Mappers V1.35b: Removed unnecessary "1=" from table.
- 21:1521:15, 9 August 2022 diff hist −512 m Everdrive N8 Pro →Mapper compatibility: Removed unnecessary "1=" from table. Not sure why I thought it needed that.
29 July 2022
- 18:1718:17, 29 July 2022 diff hist +1,751 Everdrive N8 Pro →Mapper compatibility: Colorized the mapper support table.
- 18:1618:16, 29 July 2022 diff hist +15 PowerPak →Offical Mappers V1.35b: Colorized the mapper support table.
- 18:1318:13, 29 July 2022 diff hist −907 KrzysioCart Added mappers 15 and 30 based on Krzysiobal's eBay page. Colorized the mapper compatibility table.
- 18:1318:13, 29 July 2022 diff hist +1,457 Everdrive N8 →Mapper compatibility: Colorized the mapper compatibility table.
12 July 2022
- 06:0306:03, 12 July 2022 diff hist +36 m Famicom Network System →Data Bus Behavior
- 05:5605:56, 12 July 2022 diff hist +150 Famicom Network System →Data Bus Behavior: expanded first row of table into 3 separate rows.
- 05:4105:41, 12 July 2022 diff hist +86 Famicom Network System →Data Bus Behavior: noted Kanji graphic ROM in table.
10 July 2022
- 20:4720:47, 10 July 2022 diff hist +21 m Famicom Network System →Data Bus Behavior: clarification
- 20:4220:42, 10 July 2022 diff hist −315 Famicom Network System Re-tested RF5C66 pins 41 and 42, and found that they are NOT mirrored at $Cxxx. Mystery solved. Not sure what I was seeing before.
- 15:4015:40, 10 July 2022 diff hist +482 Famicom Network System →Data Bus Behavior: added note about potential bus conflict.
- 02:1902:19, 10 July 2022 diff hist +348 Famicom Network System →Data Bus Behavior: Corrected error where I thought the card bus was driving $00 in blocked address ranges.
- 00:3300:33, 10 July 2022 diff hist −1 m Famicom Network System →Data Bus Behavior: typo fixes
- 00:2900:29, 10 July 2022 diff hist +234 Famicom Network System →Data Bus Behavior: Added note about $4xE0-4xEF.
- 00:1900:19, 10 July 2022 diff hist +1,140 Famicom Network System Added information about behavior of the data bus passing through the RF5C66.
27 June 2022
- 13:5813:58, 27 June 2022 diff hist −43 m MMC5 →Upper CHR Bank bits ($5130): cleanup
- 03:4403:44, 27 June 2022 diff hist −50 MMC5 →Fill-mode tile ($5106): I remembered asking about this in the forum. I updated this with what I learned there.
- 03:3203:32, 27 June 2022 diff hist +3 m MMC5 →Fill-mode color ($5107): fixed a typo
- 01:3101:31, 27 June 2022 diff hist +1,641 MMC5 Reorganized and clarified information about extended RAM mode.
22 June 2022
- 21:5521:55, 22 June 2022 diff hist −21 VRC IRQ →IRQ Control: Made a change that Quietrust discovered when analyzing the VRC7 decap. current
- 17:4317:43, 22 June 2022 diff hist +601 VRC7 pinout Added note about xtal loading caps, for anyone trying to mod TTA for expansion audio.
20 June 2022
- 20:1220:12, 20 June 2022 diff hist +679 VRC7 audio →Debug Mode: Added new information from SCSR.
17 June 2022
- 18:5418:54, 17 June 2022 diff hist 0 VRC7 audio →Debug Mode: Inverted pin 15 (/Debug) in the debug mode input table, per SCSR on discord.
- 18:1018:10, 17 June 2022 diff hist +257 VRC7 audio →Debug Mode: Added info about serial data from Discord.
- 16:4816:48, 17 June 2022 diff hist −24 m VRC7 audio →Debug Mode: Fixed silly mistake.
- 16:4616:46, 17 June 2022 diff hist +117 m VRC7 pinout Added "for more info" comment for Debug mode.
- 16:4016:40, 17 June 2022 diff hist +2,221 VRC7 audio Added debug mode information from SCSR on discord.
- 16:0116:01, 17 June 2022 diff hist +83 VRC7 pinout Added comment based on additional info from SCSR on discord.
16 June 2022
- 05:3605:36, 16 June 2022 diff hist +305 User talk:Lidnariq No edit summary
4 May 2022
- 17:1017:10, 4 May 2022 diff hist +86 User talk:Fiskbit No edit summary current
- 17:0917:09, 4 May 2022 diff hist +1,595 User talk:Fiskbit →Underlines in plain text: new section
11 April 2022
- 23:2423:24, 11 April 2022 diff hist 0 m List of NES music composers No edit summary
- 23:2223:22, 11 April 2022 diff hist +21,464 List of NES music composers Migrated the data from http://nesdev.parodius.com/authors.htm, per the "to do".
8 April 2022
- 22:5722:57, 8 April 2022 diff hist +27 m Famicom Network System →CPU2 Known Registers: clarification
