User contributions for Quietust
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19 March 2024
- 15:0515:05, 19 March 2024 diff hist +48 m CPU memory map No edit summary current
6 March 2024
- 16:0316:03, 6 March 2024 diff hist +23 m Visual circuit tutorial →Terms current
- 15:5015:50, 6 March 2024 diff hist −372 m Visual circuit tutorial →DRAM refresh: don't need to mention this
- 15:3315:33, 6 March 2024 diff hist +2 m Visual 2C02 specifically transistor-level, since it doesn't really model things deeper than that current
5 March 2024
- 13:4913:49, 5 March 2024 diff hist −52 PPU palettes "The background palette direct access" sounds wrong. Also, I don't think we need the Visual2C02 reference current
25 February 2024
- 17:5817:58, 25 February 2024 diff hist 0 m Myths →Color emphasis current
12 January 2024
- 21:3521:35, 12 January 2024 diff hist +149 m PPU rendering →Preface: also include the "backdrop" case
- 21:1321:13, 12 January 2024 diff hist 0 PPU rendering →Preface: minor correction to match the table
19 December 2023
- 12:4912:49, 19 December 2023 diff hist −4 m Namco IPL Interface →Data transfer format: "two byte pairs" sounds like 4 bytes
17 December 2023
- 14:2514:25, 17 December 2023 diff hist 0 m Namco IPL Interface complement != compliment
14 December 2023
- 14:2714:27, 14 December 2023 diff hist +77 m Nintendulator No edit summary current
13 December 2023
- 13:5613:56, 13 December 2023 diff hist +14 m PPU registers →Controller ($2000) > write: reword, otherwise it sounds like it's suggestin writing to $2000 to clear the vblank flag current
8 August 2023
- 11:4911:49, 8 August 2023 diff hist +18 File:Neswires.jpg No edit summary current
- 11:4611:46, 8 August 2023 diff hist +396 File talk:Neswires.jpg No edit summary current
4 June 2023
- 16:1616:16, 4 June 2023 diff hist +6 m PPU variants No edit summary
4 May 2023
- 23:2523:25, 4 May 2023 diff hist 0 m Visual circuit tutorial remove pointless line breaks
26 April 2023
- 12:1712:17, 26 April 2023 diff hist +17 PPU palettes →The background palette hack: as I noted a while ago on the talk page, I'm pretty sure this was NOT intentional
26 October 2022
- 00:2500:25, 26 October 2022 diff hist +47 m Status flags →Z: Zero: old description could be misinterpreted as "if zero, then set, otherwise leave as-is", so clarify that it's either set OR cleared
24 September 2022
- 12:1012:10, 24 September 2022 diff hist +38 m CopyNES apparently, that version has a bunch of extra fixes that never got merged back into my version current
- 12:0612:06, 24 September 2022 diff hist +80 CopyNES CopyNESW was updated to incorporate USB support from the "Blue" client about 10 years ago
14 September 2022
- 19:3119:31, 14 September 2022 diff hist +70 m User:Quietust →What sort of stuff has he done? current
9 September 2022
- 12:3012:30, 9 September 2022 diff hist −1 m CPU Test Mode make this less confusing
4 September 2022
- 00:1900:19, 4 September 2022 diff hist +104 m PPU rendering →Line-by-line timing: mention PAL CPU/PPU divisor which is different from NTSC and Dendy
3 September 2022
- 03:1003:10, 3 September 2022 diff hist +29 m CPU Test Mode →2A07: it's hard to tell from the die images we have, but if pin 30 is normally grounded then the internal signal would have to be inverted
- 03:0503:05, 3 September 2022 diff hist +71 m CPU Test Mode →2A07
20 August 2022
- 18:1918:19, 20 August 2022 diff hist −26 m CPU unofficial opcodes fix visual6502 wiki link
11 August 2022
- 13:4113:41, 11 August 2022 diff hist +1 m Cartridge connector →Pinout of 60-pin Famicom consoles and cartridges
- 13:4013:40, 11 August 2022 diff hist +32 m Cartridge connector →Pinout of 60-pin Famicom consoles and cartridges: here too
10 August 2022
- 03:2503:25, 10 August 2022 diff hist +8 m VRC7 audio →Debug Mode: spacing
8 August 2022
- 19:4019:40, 8 August 2022 diff hist −150 Tools →Assemblers: asm6f is in the "commonly used assemblers" list, no need to have a duplicate link in "other assemblers"
30 July 2022
- 23:5023:50, 30 July 2022 diff hist 0 m VRC7 audio →Debug Mode
- 17:5617:56, 30 July 2022 diff hist +898 VRC7 audio →Debug Mode: Update to match Yuri213212's findings in Discord, and remove sortable flag because it doesn't really work anymore
28 July 2022
- 01:2701:27, 28 July 2022 diff hist +124 m VRC7 audio →Debug Mode
- 01:2401:24, 28 July 2022 diff hist 0 m VRC7 audio →Debug Mode: would want to hold PPU A13 high when writing registers, otherwise when M2 goes low it'll trigger "Set DAC"
- 01:2301:23, 28 July 2022 diff hist −542 VRC7 audio →Debug Mode: M2 was backwards, and some other details didn't line up with what I've traced in visualvrc7
- 00:2900:29, 28 July 2022 diff hist −75 VRC7 audio $E000.6 isn't a "silence" bit - it's a Reset signal
- 00:2500:25, 28 July 2022 diff hist 0 VRC7 audio →Debug Mode: "CPU A(n)" is pin 16, not pin 19
27 July 2022
- 16:0816:08, 27 July 2022 diff hist 0 m Delay code fix inconsistent indentation (group PHA+TYA and TAY+PLA together) current
22 July 2022
- 23:1123:11, 22 July 2022 diff hist +4 m Nesdev Wiki http -> https
18 July 2022
- 14:5414:54, 18 July 2022 diff hist +196 VRC6 A #053330 VRC6 (harvested from a Madara cartridge) has been decapped and revealed to be an SLA7340 CMOS gate array, very similar to the NEC MMC3B/MMC3C current
16 July 2022
- 21:0121:01, 16 July 2022 diff hist −10 m User:Lidnariq/PPU glitches remove blank lines between list elements, since it messes up the resulting HTML (making it emit <ul><li></li></ul> + <ul><li></li></ul> + <ul><li></li></ul>)
15 July 2022
- 03:4803:48, 15 July 2022 diff hist +6 m Projects →stuff by Quietust: fix old links to my site, use HTTPS
2 July 2022
- 18:1418:14, 2 July 2022 diff hist +670 Talk:PPU palettes →Background Palette Hack Intentionality?: new section
- 18:0018:00, 2 July 2022 diff hist +16 m APU Frame Counter No edit summary current
28 June 2022
- 20:1220:12, 28 June 2022 diff hist +158 m NES 2.0 →Hard-Wired Mirroring
- 20:1120:11, 28 June 2022 diff hist +6 m INES Mapper 078 →Bank Select ($8000-$FFFF)
- 20:1120:11, 28 June 2022 diff hist +107 m INES Mapper 078 mention 4-screen VRAM flag, originally used to distinguish these two
- 20:1020:10, 28 June 2022 diff hist +121 m NES 2.0 submappers →078: Cosmo Carrier / Holy Diver: mention
- 19:5319:53, 28 June 2022 diff hist 0 INES Mapper 077 fix CHR memory ranges, which I'm guessing were originally meant to be separated by "/" rather than "-" current
- 19:3619:36, 28 June 2022 diff hist +53 m INES the NES 2.0 signature byte was specifically designed to be "DiskDude!-resilient"
23 June 2022
- 14:4814:48, 23 June 2022 diff hist +7 Talk:VRC IRQ may as well include a link current
- 14:4714:47, 23 June 2022 diff hist +1,933 N Talk:VRC IRQ Created page with "==VRC7== From the decapsulated VRC7 image we have available, I analyzed the implementation of the IRQ counter (with the help of the user SCSR on Discord, who traced the lower layers and allowed me to build a visual chip simulator for it) and have found the following: * The prescaler is actually implemented as 2 separate counters: one 2-bit that counts up to 2 before resetting and one 7-bit that counts up to 112 or 113 before resetting (with the condition <tt>((B0 | A1) &..."
18 June 2022
- 14:1214:12, 18 June 2022 diff hist −82 m 6502 instructions No edit summary current
1 June 2022
- 03:2303:23, 1 June 2022 diff hist −6 m Errata Remove unnecessary "When" and stray closing paren
30 May 2022
- 13:4613:46, 30 May 2022 diff hist −34 m Visual 2C02 everybody knows this is false now, so don't mention it anymore
27 May 2022
- 16:0416:04, 27 May 2022 diff hist 0 m Demo Vision →$4016 read
28 April 2022
- 22:2822:28, 28 April 2022 diff hist −24 m CPU No edit summary
- 22:2822:28, 28 April 2022 diff hist −24 m CPU ALL No edit summary current
- 22:2622:26, 28 April 2022 diff hist +71 m CPU pinout →Signal description current
- 22:2322:23, 28 April 2022 diff hist 0 m PPU pinout mark open-drain output
22 April 2022
- 19:2019:20, 22 April 2022 diff hist +39 m RP2C33 pinout No edit summary
21 April 2022
- 18:3218:32, 21 April 2022 diff hist 0 m VRC7 pinout /IRQ confirmed open-drain from decap
- 18:2718:27, 21 April 2022 diff hist +34 RP2C33 pinout not sure how best to indicate open drain outputs - if somebody has a better idea, feel free to update
- 17:3217:32, 21 April 2022 diff hist +55 m FamicomBox →Cartridge compatibility
14 April 2022
- 14:3714:37, 14 April 2022 diff hist +2 m Visual 2C02 →Picture display (section 5): wiki markup italics
9 April 2022
- 20:1420:14, 9 April 2022 diff hist +20 m CPU variants No edit summary
- 20:1220:12, 9 April 2022 diff hist +21 CPU variants 2A07's pin 30 goes to the 6502's /RDY input (NORed with the one that comes from DMA), and it's suspected that the 2A03E might be the same
17 March 2022
- 00:2800:28, 17 March 2022 diff hist +3 m User:Lidnariq/MMC3 Variants →PRG: assumed typo current
26 February 2022
- 20:3720:37, 26 February 2022 diff hist +553 APU Frame Counter Add PAL timings, extracted from RP2A07 chip images
10 February 2022
- 21:5521:55, 10 February 2022 diff hist −76 m Visual6502wiki/JssimUserHelp →See also: this one too
- 21:5421:54, 10 February 2022 diff hist −72 m Visual6502wiki/JssimUserHelp this is effectively a local link now
- 17:0417:04, 10 February 2022 diff hist +17 m Tricky-to-emulate games Mother (J) does this too, but not the Earthbound prototype
15 January 2022
- 03:1403:14, 15 January 2022 diff hist +52 m PPU pinout /NMI is open drain, so there's also a pullup
4 January 2022
- 21:4221:42, 4 January 2022 diff hist +11 m Four player adapters →Hardware: There would also need to be a 3-to-8 decoder (or two 2-to-4 decoders) in order to properly distribute the read clock to the appropriate controller ports or shift registers
- 21:3721:37, 4 January 2022 diff hist +106 Four player adapters →Output ($4016/$4017 read)
28 December 2021
- 16:2716:27, 28 December 2021 diff hist +100 m Cartridge and mappers' history may as well throw in this trivia too
- 16:2516:25, 28 December 2021 diff hist +1 m Cartridge and mappers' history No edit summary
20 December 2021
- 16:5516:55, 20 December 2021 diff hist +1 m Emulators →Popular: use
7 December 2021
- 15:2915:29, 7 December 2021 diff hist +1 m VRC7 pinout No edit summary
8 November 2021
- 17:0517:05, 8 November 2021 diff hist 0 m MMC5 →Sound ($5000-$5011): don't forget $5015
22 September 2021
- 22:3822:38, 22 September 2021 diff hist −105 m Nintendulator not really hosted on SourceForge anymore - the binaries from 0.980 are still there, but I migrated the sources to GitHub years ago
- 21:5221:52, 22 September 2021 diff hist −550 m User:Quietust Wow, my user page is really out of date. Let's fix that, shall we?
16 September 2021
- 13:5213:52, 16 September 2021 diff hist +2 m User talk:Abuse filter No edit summary
- 13:5213:52, 16 September 2021 diff hist +355 m User talk:Abuse filter No edit summary
15 September 2021
- 15:4715:47, 15 September 2021 diff hist +210 User talk:Abuse filter No edit summary
11 September 2021
- 13:3113:31, 11 September 2021 diff hist +210 m User talk:Lidnariq →24-bit hexadecimal integers
- 13:2813:28, 11 September 2021 diff hist +355 User talk:Lidnariq →24-bit hexadecimal integers
3 August 2021
- 20:5620:56, 3 August 2021 diff hist −2 m Talk:MMC5 vertical, not horizontal, but even then the MMC5 doesn't necessarily need it
- 20:5220:52, 3 August 2021 diff hist −217 m Talk:MMC5 No edit summary
- 20:5120:51, 3 August 2021 diff hist +104 Talk:MMC5 These were for smooth VERTICAL scrolling, and we know how it works. What we don't know is why nobody actually USED it that way...
- 20:4420:44, 3 August 2021 diff hist −22 Talk:MMC5 Laser Invasion uses ExRAM as a nametable, and it accesses it solely via $2007
1 July 2021
- 21:2521:25, 1 July 2021 diff hist +7 m Game bugs →General bugs
3 June 2021
- 15:5615:56, 3 June 2021 diff hist −5 m Aladdin deck enhancer pinout "wire wire"
19 May 2021
- 14:2114:21, 19 May 2021 diff hist +1 m UNIF/UNL-DripGame No edit summary current
- 13:4713:47, 19 May 2021 diff hist −6 m UNIF/UNL-DripGame No edit summary
17 May 2021
- 13:3713:37, 17 May 2021 diff hist +1 m File:2a03 map.jpg update URL to https current
6 May 2021
- 15:2915:29, 6 May 2021 diff hist +8 m MMC1 →CHR bank 0 (internal, $A000-$BFFF): fix copy/paste error - only the lowest bit is ignored in 8KB mode
23 April 2021
- 12:5812:58, 23 April 2021 diff hist +658 Talk:CPU addressing modes No edit summary current
14 April 2021
- 15:1315:13, 14 April 2021 diff hist +69 m Emulator tests Clarify why my emulator was used for the "known good" log - kevtris used it when he was writing the test, and its debug output is also reasonably detailed
7 April 2021
- 02:5402:54, 7 April 2021 diff hist +8 m Famicom Network System for completeness, repeat the "$0027 = ~33ms" here
