User contributions for Tepples

20:3420:34, 16 April 2024 diff hist +22‎ PPU pattern tables ‎ add illustration of typical pattern table viewer current
20:2920:29, 16 April 2024 diff hist +231‎ N File:Thwaite pattern tables.png ‎ CHR ROM of ''Thwaite'' as it would appear in an emulator's pattern table viewer. Contains graphics from [https://github.com/pinobatch/thwaite-nes/ ''Thwaite''] copyright 2011 Damian Yerrick current
20:1920:19, 16 April 2024 diff hist −118‎ m PPU pattern tables ‎ oops, that was already in there; in any case, it'd still be a good idea to add a picture
20:1620:16, 16 April 2024 diff hist +927‎ PPU pattern tables ‎ →‎Addressing: On the other hand, 2020s emulators continue the "historical emulator layout" seen in NESticle, so it's worth documenting

17:2117:21, 8 April 2024 diff hist +76‎ MMC1 ‎ →‎PRG bank (internal, $E000-$FFFF): "affected" and "bypassed" were unclear current

20:2520:25, 23 March 2024 diff hist +162‎ Releasing on modern platforms ‎ →‎Emulation middleware: Matt Hughson suggested adding NES Bundler, Ted Steen's front end for RusticNES current
17:3017:30, 23 March 2024 diff hist +432‎ Releasing on modern platforms ‎ →‎High-level languages: Rollback netcode implication; citation for Koei
17:2317:23, 23 March 2024 diff hist +1,373‎ Releasing on modern platforms ‎ →‎Emulation middleware: Cite sources that Steam, iOS, and Nintendo SDKs are incompatible with GPL
15:5815:58, 23 March 2024 diff hist +36‎ Programming guide ‎ →‎Tutorials: see also Releasing on modern platforms current
15:5715:57, 23 March 2024 diff hist +51‎ Emulators ‎ see also Releasing on modern platforms
15:5415:54, 23 March 2024 diff hist +4,053‎ N Releasing on modern platforms ‎ port port port

21:4221:42, 26 February 2024 diff hist +206‎ CPU memory map ‎ init code needs more inbound links. Add links from the vectors list.
21:4121:41, 26 February 2024 diff hist +491‎ CPU interrupts ‎ add a bit more meat to the lead section, linking to IRQ and NMI early current
21:3421:34, 26 February 2024 diff hist +23‎ N Boot code ‎ Discussion of synonyms for this page's subject is ongoing on Discord => Init code current Tag: New redirect
21:3321:33, 26 February 2024 diff hist +23‎ N Reset code ‎ Discussion of synonyms for this page's subject is ongoing on Discord => Init code current Tag: New redirect

18:2318:23, 15 February 2024 diff hist +13‎ m Tricky-to-emulate games ‎ Gemfire also confirmed
18:1018:10, 15 February 2024 diff hist +28‎ Tricky-to-emulate games ‎ Nobunaga 2 also uses 8×8
18:0718:07, 15 February 2024 diff hist +198‎ Tricky-to-emulate games ‎ Even if you're only emulating the entire licensed NES library, you still need to do ExGrafix. Confirmed by Jared in NESdev Discord server

18:3818:38, 7 January 2024 diff hist +286‎ Overscan ‎ →‎NTSC: cite the 2 other sources: ATSC and SMPTE 170M current
18:1618:16, 7 January 2024 diff hist +55‎ Overscan ‎ →‎NTSC: ATSC codified the 704-pixel-wide active area

22:1722:17, 15 November 2023 diff hist +411‎ Game bugs ‎ →‎General bugs: there was a big discussion on the Discord server over the past 24 hours about Gimmick!'s imperfect DMC DMA glitch recovery

21:1421:14, 2 November 2023 diff hist +102‎ NMI thread ‎ link to the article "interrupts is threads" to justify my analogy between threads and the main and interrupt parts of an NES program current

22:0322:03, 9 October 2023 diff hist +88‎ Level compression ‎ →‎Metametatiles: FQ uses same nesting as BM current

02:2902:29, 1 October 2023 diff hist +22‎ APU Sweep ‎ →‎Calculating the target period: Previous wording wasn't clear enough that $4001 and $4005 writes also change the target period. Reported by Vingal on Discord.

21:5221:52, 20 September 2023 diff hist −230‎ m Action 53 mapper ‎ →‎$81: Outer bank: lidnariq suggested a shorter wording
20:2220:22, 20 September 2023 diff hist +221‎ Action 53 mapper ‎ →‎$81: Outer bank: replace "presumably" hedge with an explanation of my debugging practice

00:0200:02, 15 September 2023 diff hist −86‎ m Action 53 manual ‎ →‎Precautions: Cut some unnecessary words current

19:4819:48, 29 August 2023 diff hist +7‎ m Talk:INES Mapper 090 ‎ repair double redirect current Tag: Redirect target changed
19:4719:47, 29 August 2023 diff hist +36‎ N Talk:JY Company ‎ Tepples moved page Talk:JY Company to Talk:J.Y. Company ASIC: reflect article move current Tag: New redirect
19:4719:47, 29 August 2023 diff hist 0‎ m Talk:J.Y. Company ASIC ‎ Tepples moved page Talk:JY Company to Talk:J.Y. Company ASIC: reflect article move current

14:2114:21, 6 August 2023 diff hist +51‎ PPU palettes ‎ →‎Memory Map: zeta0134 suggested mentioning the $3F10 backdrop color footgun earlier

14:1314:13, 28 July 2023 diff hist +291‎ Game bugs ‎ →‎General bugs: Strider, citing Behind the Code by Displaced Gamers

15:0315:03, 15 July 2023 diff hist +139‎ Status flags ‎ →‎The B flag: Separate out the warning about Visual6502's space-saving approach to save space in the main text

12:4512:45, 10 June 2023 diff hist +58‎ APU ‎ →‎Status ($4015): org's schematic shows that internally, writing 0 to bits 3-0 halts the length counter as opposed to clearing it current

17:5017:50, 25 May 2023 diff hist +70‎ PPU pattern tables ‎ Does the image make it easier to see than the ASCII art?
17:4817:48, 25 May 2023 diff hist +379‎ N File:One half fraction CHR.png ‎ How a tile for ½ (one-half fraction) is encoded, for PPU pattern tables. A red 1 (color 0b01), a yellow 2 (color 0b10), and a white slash (color 0b11) on a black background (color 0b00), with the binary and hexadecimal encodings of each plane. * For NES: Read down (41 C2 44 48 ... 42 87) * For Game Boy and Super NES 2bpp: Read across (41 01 C2 02 ... 80 87) current

23:2323:23, 6 May 2023 diff hist +41‎ APU Sweep ‎ →‎Calculating the target period: A user was seeing Bomberman do $08 on pulse 1 and assuming that the sum of -1 was causing wraparound to -1, which as an unsigned integer $FFFFFFFF, which is greater than $7FF, and concluding that this was causing muting.

03:1903:19, 25 April 2023 diff hist +113‎ Programming UNROM ‎ →‎Programming UN1ROM and others: Copyedit as "Variants with non-consecutive bank numbers" current

23:4223:42, 3 April 2023 diff hist +59‎ Four player adapters ‎ →‎Incompatible Games: Jeopardy!, inspired by JordiGH's removal of unsourced original research from the Wikipedia article https://en.wikipedia.org/w/index.php?title=NES_Four_Score&diff=prev&oldid=1148070681&diffmode=source

02:4402:44, 31 March 2023 diff hist +612‎ NTSC video ‎ →‎Color Phases: Differential phase distortion - see https://forums.nesdev.org/viewtopic.php?p=287241#p287241 for background

15:3315:33, 25 March 2023 diff hist +143‎ Tricky-to-emulate games ‎ Reminder today in Discord that LGM tries to prevent this from happening, yet some emulators still break it because they prioritize StarTropics.

23:0523:05, 19 March 2023 diff hist +390‎ Errata ‎ →‎Video: a mid-scanline first write to PPUSCROLL, per lidnariq

01:4401:44, 18 March 2023 diff hist +101‎ User:Tepples/Concentration Room ‎ add GitHub download current

21:1121:11, 15 March 2023 diff hist −20‎ Super NES Mouse ‎ →‎Example games: 240p Test Suite v0.23 adds some tests from allpads, including the mouse test

00:5500:55, 12 March 2023 diff hist +363‎ PPU pattern tables ‎ Michael P.C in the Discord server wanted a bit more detail on how patterns are encoded

00:4500:45, 26 February 2023 diff hist −144‎ MMC3 ‎ consensus on Discord is that old/new behavior appears to be more correlated with NEC/Sharp than revision or date

15:3015:30, 25 February 2023 diff hist +94‎ Programming with unofficial opcodes ‎ In-ROM breakpoint possibility current

22:5222:52, 20 February 2023 diff hist +106‎ UNROM 512 ‎ →‎InfiniteNESLives 4-screen board: PT1 in bank 3 still usable

19:0319:03, 5 February 2023 diff hist +223‎ Detect TV system ‎ old wording implied "you can't play a middle C on PAL"

03:2003:20, 17 January 2023 diff hist +1‎ PPU scrolling ‎ SG-1000 is a better known term, as "Mark" wasn't introduced until Mark III (early SMS)

17:0617:06, 2 January 2023 diff hist +112‎ SNES controller ‎ →‎Games: you went full quiet, man
17:0317:03, 2 January 2023 diff hist +298‎ Super NES Mouse ‎ →‎Example games: Action 53 menu and Pently Sound Effects Editor

20:2620:26, 31 December 2022 diff hist +53‎ CPU registers ‎ →‎Stack Pointer: Discord user zlago wondered why this didn't link to stack
00:5600:56, 31 December 2022 diff hist +82‎ Overscan ‎ →‎For game developers: 224x192 is 80% of width and height

15:2015:20, 30 December 2022 diff hist +131‎ Tricky-to-emulate games ‎ →‎External links: a GBA tricky list

15:3015:30, 19 November 2022 diff hist −196‎ Status flags ‎ →‎The B flag: rewrite for smoothness: B flag represents a transient state
14:5914:59, 19 November 2022 diff hist +224‎ Status flags ‎ →‎The B flag: Exists in CPU as transient "is interrupt being processed?" flag. One user insists that saying that doesn't exist is misinformation.

03:1003:10, 4 October 2022 diff hist +309‎ File:Safe areas.png ‎ Why "5.37 MHz" is used current

17:0817:08, 23 August 2022 diff hist +55‎ Game bugs ‎ →‎Reliance on RAM values: speedrun verification

17:1017:10, 22 August 2022 diff hist +145‎ File:NTS scrolling seam.gif ‎ explain $2000 and $2400; add creation date current

23:0423:04, 20 June 2022 diff hist +97‎ VRC7 audio ‎ →‎Audio Register Write ($9030): VRC7 A5 == YM2413 A0
13:5813:58, 20 June 2022 diff hist +65‎ VRC7 audio ‎ →‎Audio Enable ($E000): SCSR on Discord claims that writes to $9010 and $9030 are disregarded

00:5900:59, 14 June 2022 diff hist +353‎ Before the basics ‎ Begin to move allegedly more advanced topics to a holding section for later disposal

13:5113:51, 31 May 2022 diff hist +68‎ Errata ‎ Harmonize double NMI behavior wording with SNES wiki

13:5513:55, 30 May 2022 diff hist +162‎ Implementing Mappers In Hardware ‎ →‎74LVC245: Sik mentioned 74LVC4245 and 74ALVC164245

16:2216:22, 24 May 2022 diff hist +39‎ CPU unofficial opcodes ‎ →‎Games using unofficial opcodes: Release date for Dynowarz from Wikipedia

12:4512:45, 22 May 2022 diff hist +2‎ m Errata ‎ →‎References: cite.php needs the references tag to be an XML self-closing tag

14:4614:46, 14 May 2022 diff hist +122‎ Overscan ‎ Copyedit hedging of bets about nominal analog blanking
13:4113:41, 14 May 2022 diff hist +156‎ Overscan ‎ move the <ref> tag to clarify what 601 says and doesn't say
13:0613:06, 14 May 2022 diff hist +134‎ Overscan ‎ Add a link to Rec. 601

13:2613:26, 11 May 2022 diff hist +161‎ Overscan ‎ →‎NTSC: Explicitly distinguish side border from hblank

18:2018:20, 30 April 2022 diff hist +139‎ Action 53 mapper ‎ →‎Registers: clarify lack of bus conflicts and in-game use of $81

19:5319:53, 20 April 2022 diff hist +582‎ Limitations ‎ mention frame rate in lead section; the 8 tile figure is for 60 Hz; blitter suitable for Yoshi's Island may or may not be suitable for bullet hell current
19:4319:43, 20 April 2022 diff hist +237‎ Limitations ‎ →‎Driving: f-ff for completeness
19:3719:37, 20 April 2022 diff hist +1,416‎ Limitations ‎ Added "Can software rendering help" sections by request of Nikku4211; add A Winner Is You

14:0914:09, 19 April 2022 diff hist +156‎ PPU OAM ‎ →‎Byte 2: Unused and decayed bits read back 0 because of DRAM controller's data bus precharge

13:0613:06, 8 April 2022 diff hist +755‎ INES Mapper 155 ‎ present consensus is WRAM expansion; link to test ROM for mapper 155 behavior current

16:1316:13, 12 March 2022 diff hist +159‎ Fonts ‎ →‎8x8-pixel fonts: voltage-dependent output impedance current
16:1116:11, 12 March 2022 diff hist +2,562‎ N Fonts ‎ document Hanafudaya, Corporate, and Quiz Show, as well as use in The Immortal of a tile-based VWF

16:1916:19, 5 March 2022 diff hist −9,833‎ Mouse ‎ Replaced content with "Three controllers analogous to a computer '''mouse''' are known to be compatible with software for the NES or FC, either directly or through a simple adapter. *Super NE..." current Tag: Replaced
16:1716:17, 5 March 2022 diff hist +1,792‎ N Subor Mouse ‎ split from Mouse (3/3)
16:1516:15, 5 March 2022 diff hist +1,187‎ N Hori Track ‎ Split from Mouse (2/3)
16:1016:10, 5 March 2022 diff hist +1,732‎ Super NES Mouse ‎ Grab "Other notes"
16:0716:07, 5 March 2022 diff hist +5,718‎ N Super NES Mouse ‎ Split from Mouse (1/3)
15:5515:55, 5 March 2022 diff hist +5‎ Oeka Kids tablet ‎ finer category Pointing devices
15:5415:54, 5 March 2022 diff hist +25‎ Category:Pointing devices ‎ forgot the parent cat current
15:5415:54, 5 March 2022 diff hist +117‎ N Category:Pointing devices ‎ What Oeka Kids tablet and Hori Track have in common

13:2613:26, 3 March 2022 diff hist +55‎ Virtual Boy controller ‎ move "Controller ID" interpretation of the always 1 bit out to prose current
13:2613:26, 3 March 2022 diff hist +115‎ SNES controller ‎ Add model numbers and bold title

16:1416:14, 13 February 2022 diff hist +383‎ PPU sprite priority ‎ Two-sentence summary of priority rules, requested by puke7 in Discord current

05:3205:32, 11 February 2022 diff hist +659‎ Emulator tests ‎ →‎Mapper-specific Tests: mmc1a, plus GitHub links for my other mapper tests
05:2705:27, 11 February 2022 diff hist +298‎ Emulator tests ‎ →‎Validation ROMs: GitHub links for several of mine

19:0819:08, 10 February 2022 diff hist +22‎ Tricky-to-emulate games ‎ MMC1C is a mythical Pokémon

02:2702:27, 17 January 2022 diff hist +466‎ Game bugs ‎ Duck Maze and Othello SED per https://forums.nesdev.org/viewtopic.php?p=243832#p243832
02:2402:24, 17 January 2022 diff hist +164‎ Tricky-to-emulate games ‎ Solar Jetman SED per https://forums.nesdev.org/viewtopic.php?p=243832#p243832

02:0602:06, 6 January 2022 diff hist +35‎ Sprite cel streaming ‎ 1 submissions by NRS current
01:3501:35, 6 January 2022 diff hist +1,139‎ N Sprite cel streaming ‎ Battletoads, Solstice, and HH85 begin this list

20:0220:02, 4 January 2022 diff hist +103‎ MMC1 ‎ →‎PRG bank (internal, $E000-$FFFF): Bit 3 bypasses fixed bank logic (confirmed through combined effort of NRS, Pino, KMLbay)
19:5919:59, 4 January 2022 diff hist +213‎ MMC1 ‎ →‎Hardware: Translated datasheet provided by NewRisingSun led to a test ROM by yours truly, and the test result provided by KMLbay confirms a second behavior difference
19:3719:37, 4 January 2022 diff hist +118‎ m Tricky-to-emulate games ‎ clarify what MMC1C does differently
19:3519:35, 4 January 2022 diff hist +261‎ Tricky-to-emulate games ‎ NewRisingSun in NESdev Discord server described an MMC1B dependency in Air Fortress (J)

02:0602:06, 28 December 2021 diff hist +148‎ Cartridge and mappers' history ‎ Hyper Olympic != Hyper Olympic Gentaiban, per talk; rarity of BNROM (before Lizard and HH85, that is)

14:5314:53, 14 December 2021 diff hist +46‎ Game bugs ‎ Nikku4211 thought the Akumajou Densetsu shake was intentional. Reword lead section to accommodate the possibility of intentional effects looking like bugs.

15:4615:46, 16 November 2021 diff hist +36‎ Nestech.txt ‎ →‎Screen and Sprite Layering: remove misspelled "synonmous"; EXT doesn't exist in a stock NES current

04:0204:02, 7 November 2021 diff hist +25‎ PPU attribute tables ‎ I get the impression "subpalette" is the accepted term here
03:4503:45, 7 November 2021 diff hist +172‎ File:Thwaite palette color sets.png ‎ "four subpalettes" appears to be the operative term

15:1515:15, 5 November 2021 diff hist +409‎ PPU scrolling ‎ →‎Split X scroll: Example code, on dougeff's request
14:3314:33, 5 November 2021 diff hist +137‎ PPU scrolling ‎ →‎Split X scroll: to fully avoid the glitch caused by $2005-only updates

02:2802:28, 2 September 2021 diff hist +1‎ Tile compression ‎ →‎Pokémon LZ: Rangi in gbdev claims this algorithm is in G2, not G1
02:2702:27, 2 September 2021 diff hist −58‎ Level compression ‎ →‎Metametatiles: Rangi on gbdev corrects me that Pokemon 32x32s aren't nested

00:2500:25, 16 August 2021 diff hist +1,102‎ Nintendo header ‎ More caveats

19:1619:16, 15 August 2021 diff hist +874‎ Nintendo header ‎ everynes detail
18:1118:11, 15 August 2021 diff hist +305‎ Nintendo header ‎ checksum areas provided by Fiskbit
15:5415:54, 15 August 2021 diff hist +140‎ Nintendo header ‎ Used by Famicom Box

16:1616:16, 5 August 2021 diff hist +235‎ N User:Abuse filter ‎ Soft redirect current

04:4704:47, 3 July 2021 diff hist +203‎ Tricky-to-emulate games ‎ zeta0134 reports that Batman ROTJ reads data and logic from CHR ROM

16:1816:18, 1 July 2021 diff hist 0‎ m Game bugs ‎ typo in table markup
16:1816:18, 1 July 2021 diff hist +208‎ Game bugs ‎ →‎General bugs: Eliminator Boat Duel fails to boot
16:1416:14, 1 July 2021 diff hist +719‎ PPU power up state ‎ →‎Dendy: Multiple of 8 caveat, contributed by eugene-s and Fiskbit in NESdev Discord #research

15:0815:08, 27 June 2021 diff hist +21‎ Non-power-of-two ROM size ‎ remove not-yet-substantiated "four footprints" claim for a52 current
15:0315:03, 27 June 2021 diff hist +262‎ Talk:Non-power-of-two ROM size ‎ Faulty recollection
15:0115:01, 27 June 2021 diff hist −38‎ Non-power-of-two ROM size ‎ "Nothing" to "ROM +CE"
14:4614:46, 27 June 2021 diff hist +18‎ MMC3 ‎ →‎See also: add <references />
14:4514:45, 27 June 2021 diff hist +214‎ MMC3 ‎ →‎IRQ Specifics: Three falling edges, with schematic citation provided by Trirosmos

15:0315:03, 23 June 2021 diff hist +68‎ Mirroring ‎ →‎Memory Mirroring: Non-power-of-two ROM size
15:0215:02, 23 June 2021 diff hist +145‎ INES Mapper 228 ‎ 12 Mbit PRG ROM current
15:0115:01, 23 June 2021 diff hist +2,035‎ N Non-power-of-two ROM size ‎ Canonical doubling algorithm

04:0104:01, 14 June 2021 diff hist +28‎ m Action 53 mapper ‎ →‎See Also: add Notes section
03:5803:58, 14 June 2021 diff hist +412‎ Action 53 mapper ‎ →‎Registers: $4444 don exits
03:4803:48, 14 June 2021 diff hist +80‎ Action 53 mapper ‎ "is can be?" cheezburger? update MiST/MiSTer A53 link

22:2822:28, 9 June 2021 diff hist −3‎ Myths ‎ →‎Old programs: As I understand it, Mesen is somewhat more accurate than Nestopia, and Mesen has a debugger making it more useful in general to devs

19:1019:10, 2 June 2021 diff hist +109‎ APU Mixer ‎ these formulas are from apu_ref

02:0602:06, 31 May 2021 diff hist +46‎ CPU unofficial opcodes ‎ →‎Arrangement: clarify what bold means, as jeff.r.day got confused

12:2112:21, 29 May 2021 diff hist +71‎ Controller detection ‎ Hori 4 Players Adapter makes the "port 3" nomenclature a bit confusing current
12:0412:04, 29 May 2021 diff hist +193‎ Controller detection ‎ →‎Four Score: Quick summary of Hori 4 Players Adapter

19:3819:38, 1 May 2021 diff hist +21‎ APU Mixer ‎ The formula at top is also an approximation, as MDFourier reveals

19:4819:48, 27 March 2021 diff hist +6‎ m Commissioning ‎ →‎Avoiding premature engine limits: A composer of music for an audio game might prefer different wording. current

17:0417:04, 17 March 2021 diff hist +43‎ m Emulator tests ‎ →‎Misc Tests: Newer 240p Test Suite
17:0217:02, 17 March 2021 diff hist +71‎ Emulator tests ‎ →‎PPU Tests: 240p Test Suite is successor to tvpassfail, letting me collect all older revisions at the bottom

00:2500:25, 11 March 2021 diff hist +63‎ Placeholder graphics ‎ →‎External links: NES-like category current

22:1922:19, 26 February 2021 diff hist +45‎ MMC1 ‎ →‎Hardware: AX5904 == MMC1A per jiggleyjelo/Poor Student Hobbyist

16:1216:12, 20 February 2021 diff hist +32‎ PPU pinout ‎ →‎See also: final bulleted list + no <references/> = unbalanced tags. Fix
16:1216:12, 20 February 2021 diff hist +32‎ m Sachen 8259 ‎ →‎Errata: final bulleted list + no <references/> = unbalanced tags. Fix current

14:2014:20, 10 February 2021 diff hist +34‎ N Multichip ‎ Redirected page to NSF#Multi-chip tunes current

20:2420:24, 7 February 2021 diff hist +115‎ Tricky-to-emulate games ‎ MMC5 audio in Ishin no Arashi submitted by NewRisingSun

19:1119:11, 5 February 2021 diff hist +103‎ INES Mapper 218 ‎ Magic Floor works on AxROM and NROM boards

18:2118:21, 22 January 2021 diff hist +402‎ Catch-up ‎ run-ahead

16:4016:40, 17 January 2021 diff hist +267‎ Game bugs ‎ →‎General bugs: SMB1 lag in drawing ? blocks at end of bounce, per zeta0134 on Discord

00:3300:33, 16 January 2021 diff hist +60‎ m Limitations ‎ missed some conjunctions
00:3000:30, 16 January 2021 diff hist +595‎ Limitations ‎ loss of demand 1994-2008 caused loss of capability
00:1200:12, 16 January 2021 diff hist +156‎ Limitations ‎ →‎Puzzle: jekuthiel's forthcoming MXM mapper

02:0002:00, 15 January 2021 diff hist +94‎ Limitations ‎ →‎Party multiplayer: How Micro Mages circumvents the Dodge Ball flicker problem: characters are 8 pixels wide

21:5421:54, 14 January 2021 diff hist +3,524‎ N Drawing terrain ‎ Summarize a tutorial by MortMort current

02:5202:52, 5 January 2021 diff hist +3‎ m Emulator tests ‎ →‎PPU Tests: one forumlink had "ttp:"

20:0120:01, 3 January 2021 diff hist +157‎ Tricky-to-emulate games ‎ NewRisingSun reports that Super Xevious: GAMP no Nazo writes to CHR ROM and Door Door writes to PRG ROM

20:2720:27, 29 December 2020 diff hist +28‎ Oversize ‎ Action 53 eventually switched away from BNROM, though I still intend to support using the engine with BNROM. current

23:5523:55, 5 December 2020 diff hist +205‎ Tricky-to-emulate games ‎ see also similar lists for GB and SMS
13:5613:56, 5 December 2020 diff hist +516‎ MMC3 ‎ →‎IRQ Specifics: Bug with $C001 writes on consecutive lines

14:5314:53, 29 November 2020 diff hist +369‎ Vs. System ‎ →‎Synchronization: Official use of "main" and "sub" terminology

02:5602:56, 20 November 2020 diff hist +168‎ FDS BIOS ‎ →‎VRAM write transfer structure: Resembles Stripe Image

06:0706:07, 6 November 2020 diff hist +8‎ MMC3 ‎ →‎IRQ Specifics: Ventriloquism for Dummies
06:0506:05, 6 November 2020 diff hist +24‎ PPU registers ‎ The article is not about ventriloquism. Might "priming read" work better?

16:4216:42, 25 October 2020 diff hist +34‎ Tricky-to-emulate games ‎ Make #Sprite_priority anchor

19:3419:34, 14 October 2020 diff hist +2‎ Audio drivers ‎ →‎GGSound: norill gave the rest of the RAM size
19:0719:07, 14 October 2020 diff hist −21‎ m Audio drivers ‎ edit conflict?
19:0619:06, 14 October 2020 diff hist +26‎ Audio drivers ‎ →‎GGSound: norill tells me it's 3048 bytes, about as big as NerdTracker II
18:3618:36, 14 October 2020 diff hist +72‎ Audio drivers ‎ →‎NSD.Lib: nsdl-tune is one of the little things
17:5717:57, 14 October 2020 diff hist −2‎ m Audio drivers ‎ →‎Pently: powerword removal

21:4121:41, 11 October 2020 diff hist +79‎ APU Noise ‎ Mixer nonlinearity caveat
21:4021:40, 11 October 2020 diff hist +81‎ APU Triangle ‎ Mixer nonlinearity caveat
21:3921:39, 11 October 2020 diff hist +160‎ APU Mixer ‎ Games believed to use $4011 as volume

23:1323:13, 26 July 2020 diff hist +90‎ Multibyte constant ‎ →‎External links: Game Boy counterpart current

02:0002:00, 9 July 2020 diff hist +93‎ Overscan ‎ →‎For game developers: Nintendo has published its BG planning sheet as a PDF

12:2912:29, 30 June 2020 diff hist +2‎ MMC3 ‎ →‎PRG Banks: Reader was taking ">" too literally as "is greater than" rather than an arrow
11:5311:53, 30 June 2020 diff hist +6‎ m MMC3 ‎ →‎PRG Banks: Clearer about bit 6 of $8000, not of R6 or R7
11:4511:45, 30 June 2020 diff hist +203‎ MMC3 ‎ →‎PRG Banks: Discord users claim that "$8000 & $40" wording isn't any clearer than bit 6

00:0700:07, 24 June 2020 diff hist +713‎ Tile compression ‎ →‎PB53: PB12 looks very ad hoc. I'm likely to end up moving it to another wiki, but I want to get it in the history first.

21:5421:54, 23 June 2020 diff hist +929‎ Tile compression ‎ →‎PB53: PB8, PB16

01:0401:04, 22 June 2020 diff hist +166‎ Action 53 manual ‎ →‎Precautions: Power off first

13:2813:28, 20 June 2020 diff hist +80‎ Action 53 ‎ →‎External links: GitHub

16:5016:50, 17 June 2020 diff hist +121‎ Text compression ‎ →‎Damian Yerrick's robotfindskitten (NES): NES and GB ports of 240p Test Suite current

23:1223:12, 25 April 2020 diff hist −17‎ CPU unofficial opcodes ‎ →‎Games using unofficial opcodes: fix Aladdin link
23:1023:10, 25 April 2020 diff hist +59‎ List of games that run code from outside of PRG-ROM ‎ HH85 and A53

16:5616:56, 6 April 2020 diff hist +55‎ NTSC video ‎ →‎Scanline Timing: Deetle aka substrate in Discord complained that "late" implies nonstandard. It was supposed to mean half a scanline later than hsync.
16:5316:53, 6 April 2020 diff hist +139‎ NTSC video ‎ →‎Scanline Timing: Better separate standard and nonstandard discussion in this paragraph

02:1602:16, 12 March 2020 diff hist +128‎ Projects ‎ →‎stuff by Damian Yerrick: "little things" is where most of this will end up

20:0520:05, 5 February 2020 diff hist +19‎ J.Y. Company ASIC ‎ →‎IRQ Mode Select ($C001): Somehow the 170 divider got dropped

20:0520:05, 22 January 2020 diff hist −34‎ APU period table ‎ Port script to Python 3 because Python 2 is no longer supported by Python Software Foundation current

20:4620:46, 17 January 2020 diff hist +65‎ Audio drivers ‎ →‎Pently: Thecoolestnerdguy wanted to know a bit about what one uses instead of fixed arps

18:3318:33, 26 December 2019 diff hist −5‎ PPU power up state ‎ Try again, using Sour's wording for NES-001 difference. Apparently the only clear way to express this is to use CPU-centric wording even in an otherwise PPU-centric page.
17:1517:15, 26 December 2019 diff hist 0‎ PPU power up state ‎ some_canuck on NESdev Discord misread this as "resets the PPU only". Move "only" past the preposition to rule out this misreading.

22:5522:55, 30 November 2019 diff hist +36‎ Sample RAM map ‎ link back to CPU memory map
22:5222:52, 30 November 2019 diff hist +242‎ CPU memory map ‎ GEMISIS on Discord wondered why this doesn't mention the stack being at page $01. Word it so as to lead into Sample RAM map.

18:4918:49, 21 November 2019 diff hist −416‎ m Talk:INES Mapper 158 ‎ Reverted edits by 38.141.52.250 (talk) to last revision by NewRisingSun

22:2422:24, 10 November 2019 diff hist −124‎ m CPU unofficial opcodes ‎ it was already there; convert to cite.php
22:2122:21, 10 November 2019 diff hist +93‎ CPU unofficial opcodes ‎ →‎External links: How MOS 6502 Illegal Opcodes really work from pagetable

14:5114:51, 13 October 2019 diff hist −629‎ m Talk:Reading 2007 during rendering ‎ Reverted edits by 38.141.52.250 (talk) to last revision by Quietust

20:0020:00, 19 September 2019 diff hist +150‎ File:Cards 32x20.png ‎No edit summary current
19:5819:58, 19 September 2019 diff hist +284‎ N File:Cards 32x20.png ‎ File:Cards 32x24.png edited to be slightly narrower (20 pixels wide by 32 tall) Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the following notice appears: :Card designs...
19:4619:46, 19 September 2019 diff hist +185‎ File:Cards 32x24.png ‎ Specify the credit line current

20:1720:17, 2 September 2019 diff hist +30‎ Tile compression ‎ →‎Konami RLE: Fix broken link to GraveyardDuck

21:3321:33, 27 August 2019 diff hist 0‎ File:Multi-discrete PRG bank.png ‎ Tepples uploaded a new version of File:Multi-discrete PRG bank.png current
20:5420:54, 27 August 2019 diff hist +16‎ m Action 53 mapper ‎ →‎Implementation notes: But clarify that the macrocell count was for the 6-bit version
20:5220:52, 27 August 2019 diff hist +29‎ Action 53 mapper ‎ →‎Implementation notes: Clarify that "6 bits" here isn't part of the mapper's definition but an implementation detail

22:0922:09, 24 August 2019 diff hist +101‎ PPU attribute tables ‎ →‎Worked example: Pull out the [[3 1][2 2]] byte for clarity
22:0522:05, 24 August 2019 diff hist 0‎ File:Thwaite palette color sets.png ‎ Tepples uploaded a new version of File:Thwaite palette color sets.png

19:4319:43, 19 August 2019 diff hist +358‎ Overscan ‎ →‎PAL: Citation for 64489 being a notorious problem

20:0620:06, 3 August 2019 diff hist +7‎ m File:Cards 32x24 tiles.png ‎ knight rank letter varies current

05:3205:32, 25 July 2019 diff hist +57‎ Errata ‎ →‎APU DMC: B major works around the 17-byte problem

15:0215:02, 24 July 2019 diff hist +15‎ Errata ‎ →‎Video: Not just all writes with $2000.7 set, just clear then set

18:0018:00, 19 July 2019 diff hist +144‎ PPU palettes ‎ →‎RC2C03B: Pattern is evidence of mistake
17:5617:56, 19 July 2019 diff hist 0‎ m Nestech.txt ‎ →‎PPU Notes: ...and I found another WTF
17:4817:48, 19 July 2019 diff hist +160‎ Nestech.txt ‎ →‎PPU Notes: the vblank wait loop here was very bad: it'd miss any NMI that didn't land between the LDA and CMP

12:2212:22, 15 July 2019 diff hist +102‎ Nestech.txt errata ‎ Clarify what this document is for current

16:4116:41, 1 July 2019 diff hist +124‎ NSF ‎ →‎Multi-chip tunes: VRC7/N163 silence register
16:2016:20, 1 July 2019 diff hist −100‎ VRC7 audio ‎ Undo revision 16775 by Tepples (talk): It also affects 5B. The situation is more complex than I thought and must be clarified elsewhere.
16:2016:20, 1 July 2019 diff hist −94‎ Namco 163 audio ‎ Undo revision 16774 by Tepples (talk): It also affects 5B. The situation is more complex than I thought and must be clarified elsewhere.
15:5415:54, 1 July 2019 diff hist +100‎ VRC7 audio ‎ →‎Audio Enable ($E000): multichip effect
15:5315:53, 1 July 2019 diff hist +94‎ Namco 163 audio ‎ →‎Sound Enable ($E000-E7FF): Also affects VRC7 in a multichip NSF

00:1800:18, 28 June 2019 diff hist +84‎ Bad Apple ‎ →‎External links: moved to littlelimit.net

14:5614:56, 24 June 2019 diff hist +90‎ Placeholder graphics ‎ Bomber Planet BGs
14:5514:55, 24 June 2019 diff hist +56‎ Placeholder graphics ‎ →‎External links: surt
13:5213:52, 24 June 2019 diff hist +93‎ Vs. System ‎ →‎Palette: What $2000/$2001 swapping actually does: no NMI

20:5520:55, 15 June 2019 diff hist +199‎ Emulator tests ‎ →‎Input Tests: Telling LYs?

20:3320:33, 10 June 2019 diff hist +51‎ TNES ‎ mention FDS support in lead section current

15:2715:27, 8 June 2019 diff hist +82‎ Accuracy ‎ As far as I'm aware, Mesen is maintained more than the others current

20:2920:29, 13 May 2019 diff hist +41‎ Audio drivers ‎ →‎Pently: ASM6 available

00:0700:07, 29 April 2019 diff hist −11‎ m INES Mapper 218 ‎ scheme relative links so you don't lose your 🔒

00:0300:03, 21 April 2019 diff hist +707‎ N Talk:Virtual Boy controller ‎ →‎Endianness: new section

03:0103:01, 17 March 2019 diff hist +20‎ PPU registers ‎ →‎Controller ($2000) > write: twicetime in #nesdev on EFnet was confused about whether writing to $2000 with bit 7 set always caused an NMI. I replied that it's about changing from 0 to 1.

14:4814:48, 15 March 2019 diff hist +152‎ NSFe ‎ →‎mixe: Comparison is based on RMS amplitude and $4011 = 0, per rainwarrior in FamiTracker.org #development
12:4412:44, 15 March 2019 diff hist +294‎ UxROM ‎ →‎Hardware: Clarify that the diagram is for UNROM and how it extends to UOROM and the mapper 2 compatible subset of UNROM 512, per koitsu's confusion at https://forums.nesdev.com/viewtopic.php?p=236099#p236099

18:4418:44, 11 March 2019 diff hist +99‎ ExROM ‎ SOROM battery-backs the second chip; ETROM battery-backs the first. Per https://forums.nesdev.com/viewtopic.php?p=235888#p235888

15:5815:58, 30 January 2019 diff hist +35‎ Programming guide ‎ →‎Tutorials: Don't hardcode OAM addresses
15:5815:58, 30 January 2019 diff hist +2,081‎ N Don't hardcode OAM addresses ‎ Describe an anti-pattern I've seen in beginner code current

21:4621:46, 28 January 2019 diff hist +164‎ Vs. System ‎ Example of what this shared RAM is used for when battery backed: counting coins inserted into "main" and "sub" systems

13:1113:11, 27 January 2019 diff hist +44‎ m User:Tepples ‎ missing right parenthesis

15:4415:44, 23 January 2019 diff hist −106‎ Emulators ‎ →‎Under development: NESICIDE doesn't really have a 1 and 2

18:1018:10, 16 January 2019 diff hist +117‎ PPU registers ‎ →‎OAM data ($2004) read/write: Do not write directly

18:3318:33, 12 January 2019 diff hist −21‎ m Nestech.txt ‎ →‎PPU Notes: <pre> inside a <code> tag leads to tag mismatch in the output
18:3118:31, 12 January 2019 diff hist +29‎ m MMC5 ‎ →‎See also: add references element for cite.php
18:3018:30, 12 January 2019 diff hist +43‎ m Vs. System ‎ →‎See also: add references element for cite.php
18:2918:29, 12 January 2019 diff hist +15‎ m VRC7 audio ‎ →‎References: add references element for cite extension

19:2619:26, 10 January 2019 diff hist +4‎ m Cycle reference chart ‎ →‎Clock rates: Eugene.S thought it'd be clearer with a UA prefix for UMC parts
19:2419:24, 10 January 2019 diff hist +14‎ m CPU ‎ →‎CPU signals and frequencies: make heading consistent with Cycle reference chart#Clock rates
19:2319:23, 10 January 2019 diff hist +222‎ CPU ‎ PAL NES clones exist

03:3003:30, 6 January 2019 diff hist +114‎ Mouse ‎ →‎Sensitivity: Citation for discovery that Hyper Click does not

02:0302:03, 1 January 2019 diff hist +150‎ Action 53 ‎ Vol. 3 uses UNROM and NROM-128 just like vol. 2; credit Retrotainment for HH85; confirmed spelling at https://github.com/jroatch

02:3902:39, 25 December 2018 diff hist +314‎ MMC5 ‎ →‎Emulation quirks with commercial games: Relying on 64K fallback doesn't help repro makers, per lidnariq

12:5812:58, 4 November 2018 diff hist +83‎ Myths ‎ →‎PPU details: Address "16k of internal VRAM" from early Nestech.txt editions.

21:4621:46, 3 November 2018 diff hist +436‎ INES Mapper 006 ‎ Move mode-specific notes to mode sections and identify mode 1 as UN1ROM after lidnariq compared this mapper to the Action 53 mapper in https://forums.nesdev.com/viewtopic.php?p=228394#p228394

13:2113:21, 31 October 2018 diff hist +347‎ Talk:List of games with significant regional differences ‎ →‎If Rainbow Islands, why not Maniac Mansion?: new section

02:5902:59, 13 October 2018 diff hist 0‎ File:Safe areas.png ‎ fix factual error in right coordinate of title safe
02:5802:58, 13 October 2018 diff hist 0‎ File:Safe areas (pixel perfect).png ‎ Tepples uploaded a new version of File:Safe areas (pixel perfect).png current
02:5802:58, 13 October 2018 diff hist 0‎ File:Safe areas.png ‎ Tepples uploaded a new version of File:Safe areas.png

16:3416:34, 5 October 2018 diff hist +470‎ Overscan ‎ Rewrite lead section

14:0914:09, 1 October 2018 diff hist +93‎ INES Mapper 163 ‎ summarize conjecture about internals

23:2123:21, 12 September 2018 diff hist +139‎ Sunsoft 5B audio ‎ →‎Sound: More explicitly contrast lack of +1 in these formulas with those of other pulse channels

19:5419:54, 10 September 2018 diff hist −421‎ m Nestech.txt ‎ →‎Acronyms: convert to dt/dd pairs

03:3603:36, 5 September 2018 diff hist +54‎ Limitations ‎ →‎Music: Apparently the standard term is rhythm game
00:3000:30, 5 September 2018 diff hist 0‎ m Nestech.txt ‎ →‎Background Scrolling: CNP error in vertical mirroring table

22:1622:16, 4 September 2018 diff hist +304‎ N File:Mfr icon reserved.png ‎ Icon intended to represent a homebrew mapper that has had a number assigned, but its precise definition is under construction. Inspired by the "switch palace" mechanic of ''Super Mario World''. By Damian Yerrick; dedicated to pub... current
22:0922:09, 4 September 2018 diff hist −157‎ Mapper ‎ The plan to assign planes 1 and 2 by analogy with the Supplemental Multilingual Plane and Supplemental Ideographic Plane of Unicode appears not to have been well received.
03:1703:17, 4 September 2018 diff hist −25‎ Nestech.txt errata ‎ The new goal of this document
02:5402:54, 4 September 2018 diff hist −89‎ Nestech.txt ‎ →‎Registers: I actually patched in most of the errata while moving Registers up here
02:5202:52, 4 September 2018 diff hist +54‎ Nestech.txt ‎ Purpose in lead section
02:5002:50, 4 September 2018 diff hist −1,639‎ Nestech.txt ‎ wikify Joypad; move Registers into place
02:0702:07, 4 September 2018 diff hist −332‎ Nestech.txt ‎ →‎Unwikified: Programming, Emulation, and Reference sections. That leaves two more
01:4001:40, 4 September 2018 diff hist +1,031‎ Nestech.txt ‎ →‎Unwikified: here are PPU, File Formats, and stubs for audio and mappers
01:3801:38, 4 September 2018 diff hist −239‎ Nestech.txt errata ‎ →‎PPU: On reread, caught "can reset" in M
00:3900:39, 4 September 2018 diff hist −64‎ Nestech.txt ‎ →‎Unwikified: wikify CPU
00:2700:27, 4 September 2018 diff hist +63,789‎ Nestech.txt ‎ It starts

23:4323:43, 3 September 2018 diff hist 0‎ m Talk:Nestech.txt errata ‎ Tepples moved page Talk:Nestech.txt to Talk:Nestech.txt errata: Clarify the purpose of this document pending whether koitsu decides to let us incorporate the document itself into the wiki as a different way of explaining things current
23:4323:43, 3 September 2018 diff hist +37‎ N Talk:Nestech.txt ‎ Tepples moved page Talk:Nestech.txt to Talk:Nestech.txt errata: Clarify the purpose of this document pending whether koitsu decides to let us incorporate the document itself into the wiki as a different way of explaining things current
23:4323:43, 3 September 2018 diff hist 0‎ m Nestech.txt errata ‎ Tepples moved page Nestech.txt to Nestech.txt errata: Clarify the purpose of this document pending whether koitsu decides to let us incorporate the document itself into the wiki as a different way of explaining things
23:4323:43, 3 September 2018 diff hist +32‎ N Nestech.txt ‎ Tepples moved page Nestech.txt to Nestech.txt errata: Clarify the purpose of this document pending whether koitsu decides to let us incorporate the document itself into the wiki as a different way of explaining things

15:2815:28, 2 August 2018 diff hist +122‎ Programming MMC1 ‎ →‎References: snrom-template current
15:2715:27, 2 August 2018 diff hist +151‎ Programming UNROM ‎ →‎See also: pinobatch/snrom-template

15:2515:25, 29 July 2018 diff hist +825‎ Famicom ‎ →‎Differences from NES: Players expect controller 3 to behave as controller 1; some controllers have different protocols; noise on early revs; RGB PPU; language that players can read; split into subsections Input, Output, and Other

19:2419:24, 26 July 2018 diff hist +100‎ PPU power up state ‎ Entropy that may exist in the unspecified values
19:1619:16, 26 July 2018 diff hist +553‎ PPU power up state ‎ "pattern" and "mostly" get confusing. Per https://forums.nesdev.com/viewtopic.php?f=3&t=17584 is there even a benefit in describing what a particular lot is "mostly" set to?

02:5602:56, 24 July 2018 diff hist +15‎ PPU scrolling ‎ →‎The common case: With the release of a competently designed platformer under a free software license, this nonfree image is replaceable.
02:5302:53, 24 July 2018 diff hist +199‎ N File:NTS scrolling seam.gif ‎ Animation explaining how to perform scrolling across a horizontal playfield longer than 512 pixels. It uses the first four screens of a level in ''Nova the Squirrel'' (copyright 2018 Joshua Hoffman).

15:2315:23, 20 July 2018 diff hist −1‎ APU Sweep ‎ →‎Updating the period: Reflect rename of "not in range" to "muting the channel" elsewhere
15:1915:19, 20 July 2018 diff hist +8‎ APU Sweep ‎ →‎Muting: Avoid passive voice per https://forums.nesdev.com/viewtopic.php?p=221611#p221611

19:4319:43, 15 July 2018 diff hist +84‎ Nestech.txt errata ‎ →‎Joypads, paddles, expansion ports: U-Force follows the report with 0

19:1819:18, 28 April 2018 diff hist +221‎ Myths ‎ →‎Largest game: A Winner Is You
19:1219:12, 28 April 2018 diff hist +231‎ Myths ‎ →‎Mappers: MTPO speling

19:5819:58, 14 April 2018 diff hist +406‎ Talk:Overscan ‎ →‎Difference between PocketNES safe area and title safe area?: Pathological vs. non-pathological TVs; N's BG sheets

04:4404:44, 10 April 2018 diff hist −1‎ m Catch-up ‎ →‎Rewind to checkpoint: spelling: "SA1". The hyphen is always after S, and only in abbreviations with 4+ characters.

17:4517:45, 1 April 2018 diff hist +431‎ Clock rate ‎ Dendy mode was called Micro Genius first

04:4304:43, 16 March 2018 diff hist +27‎ Emulator tests ‎ →‎Mapper-specific Tests: test28 is updated
04:3104:31, 16 March 2018 diff hist +42‎ User:Tepples ‎No edit summary
04:2904:29, 16 March 2018 diff hist +3‎ Action 53 mapper ‎ →‎External links: test28 is updated
04:2904:29, 16 March 2018 diff hist −4‎ Action 53 mapper/Reference implementations ‎ Holy Diver Batman is now called Holy Mapperel current

14:2814:28, 11 March 2018 diff hist +61‎ Mask ROM pinout ‎ →‎Signal descriptions: what OE stands for; faster response was backward

23:3223:32, 5 March 2018 diff hist −159‎ m Implementing Mappers In Hardware ‎ use MediaWiki list syntax for all lists that don't contain a <pre>
23:3123:31, 5 March 2018 diff hist +10‎ Implementing Mappers In Hardware ‎ →‎1. Recovering !RESET signal from M2: mismatched tags

15:0315:03, 4 March 2018 diff hist +82‎ Placeholder graphics ‎ →‎External links: notified by someone on another wiki

02:4002:40, 20 February 2018 diff hist +124‎ Placeholder graphics ‎ RPG assets by Chasersgaming

16:4816:48, 20 January 2018 diff hist +5,408‎ N Audio drivers ‎ Created page with "An '''audio driver''' or '''replayer''' is a program that runs on a game console to play music. An audio driver for NES reads music sequences and instrument definitions from t..."
15:5915:59, 20 January 2018 diff hist +20‎ Programming guide ‎ →‎Audio: I'm about to drop a new page Audio drivers that I had written for FamiTracker.org's wiki, but because that's delayed

00:4700:47, 10 January 2018 diff hist +1,451‎ APU Noise ‎ Table: Pitches of 93-step noise on NTSC

20:5420:54, 4 January 2018 diff hist +51‎ CHR ROM vs. CHR RAM ‎ →‎Switching to CHR RAM: More specific about what the NES 2.0's CHR RAM size value means
20:1320:13, 4 January 2018 diff hist +115‎ Tricky-to-emulate games ‎ Zippy Race is also "terrible"
20:0720:07, 4 January 2018 diff hist −90‎ Template:PinoutLegend ‎ this went over better in the topic because the lack of numbers and lack of top and bottom show more clearly that this is not a particular chip current
05:1105:11, 4 January 2018 diff hist +102‎ VT02+ CHR Pattern Data Layout ‎ →‎Four bits per pixel, 8 bit data bus: SNES much?

21:4521:45, 29 December 2017 diff hist +201‎ Template:PinoutLegend ‎ Clarify that the depicted IC example is an example
14:3714:37, 29 December 2017 diff hist +1,220‎ N AX5202P pinout ‎ Created page with "'''AX5202P''' is the part number of an MMC3 clone found in bootleg games. There are reports that some lots of AX5202P contain a large number of factory seconds with the IR..."
14:1714:17, 29 December 2017 diff hist +1,310‎ N 88 pinout ‎ thanks Fisher

16:4016:40, 25 December 2017 diff hist +154‎ Tricky-to-emulate games ‎ Mystery World Dizzy also uses the prio trick

02:2002:20, 21 December 2017 diff hist +198‎ Talk:MMC3 ‎ →‎Poorly organized?: Can someone make Programming MMC3 blue?

15:2615:26, 25 November 2017 diff hist +209‎ Forbidden Four ‎ →‎Background: Pocket Camp; HTTPS; not Rareware

02:1202:12, 6 November 2017 diff hist +26‎ TNES ‎ Category:File formats

22:5822:58, 5 November 2017 diff hist +169‎ NES 2.0 ‎ →‎Byte 10 (RAM size): Kev clarified what to do for self-flash mappers
22:5522:55, 5 November 2017 diff hist −13‎ UNROM 512 ‎ →‎Mapper: kevtris approved of this use of the battery bit
22:4422:44, 5 November 2017 diff hist +257‎ NES 2.0 ‎ →‎Byte 10 (RAM size): Kev clarified what to do for the 8320 bytes you get when you add 8K of RAM to an N163

02:3102:31, 25 October 2017 diff hist +232‎ 8-bit Multiply ‎ →‎External Links: 6502 Killer hacks

14:1514:15, 24 October 2017 diff hist +939‎ 8-bit Multiply ‎ Thwaite multiply routine

03:0803:08, 23 October 2017 diff hist +367‎ Accuracy ‎ Why measurement of accuracy is intractable. Instead measure your Coq.
02:5202:52, 23 October 2017 diff hist 0‎ Program compatibility ‎ I'll use the approximate release date of the PowerPak as the threshold
02:3602:36, 23 October 2017 diff hist −1,853‎ Installing CC65 ‎ →‎Building CC65 on Ubuntu (Linux): Working instructions to build from git

02:2702:27, 18 October 2017 diff hist +44‎ m MMC1 pinout ‎ mapper numbers

13:2013:20, 17 October 2017 diff hist −9‎ m TNES ‎ damn you muscle memory
13:1913:19, 17 October 2017 diff hist +66‎ TNES ‎ Link to these misappropriation allegations

20:0020:00, 13 October 2017 diff hist +1,771‎ N TNES ‎ If Nintendo would redesign iNES from scratch, it'd look like this

18:2218:22, 26 September 2017 diff hist +24‎ m PPU scrolling ‎ →‎Details: more specifically, a mid-scanline write
13:2013:20, 26 September 2017 diff hist +87‎ PPU scrolling ‎ →‎Details: More pedantry about when the effects of a v change takes effect, per https://forums.nesdev.com/viewtopic.php?p=205232#p205232

23:5123:51, 24 September 2017 diff hist +98‎ MMC3 ‎ →‎IRQ Specifics: My guess as to what Zepper meant by "260,268,276..." in revision 12181

01:0301:03, 17 September 2017 diff hist +885‎ Four player adapters ‎ They're building a compatibility list at https://forums.nesdev.com/viewtopic.php?p=204677#p204677

20:0820:08, 12 September 2017 diff hist +84‎ m NSF ‎ →‎Header Overview: word it better
20:0420:04, 12 September 2017 diff hist +63‎ NSF ‎ →‎Header Overview: Little endian. B00daW on FamiTracker.org Discord server asked for this clarification.

04:0204:02, 5 September 2017 diff hist 0‎ Open bus behavior ‎ →‎Indirect indexed instruction example: I thought the low byte of the early address was correct, and just the high byte needed to be updated with carry the next cycle

01:1301:13, 29 August 2017 diff hist +222‎ Level compression ‎ →‎Post-processing: Markov in HH85
01:1101:11, 29 August 2017 diff hist +191‎ Level compression ‎ →‎Metametatiles: Sonic 2

18:2718:27, 27 August 2017 diff hist +22‎ Open bus behavior ‎ →‎PPU open bus: An article about this weak copy protection
18:2318:23, 27 August 2017 diff hist +1,595‎ Open bus behavior ‎ →‎Electrical basis: Three-state outputs and the 74LS139
15:0515:05, 27 August 2017 diff hist +135‎ Glossary ‎ →‎O: link new open bus article
15:0215:02, 27 August 2017 diff hist +162‎ Tricky-to-emulate games ‎ 2 of 2: Use dl (description list) element
14:5014:50, 27 August 2017 diff hist +122‎ Tricky-to-emulate games ‎ 1 of 2: Use dl (description list) element. I left a few unchanged so that the diff for this change can self-synchronize.
14:3414:34, 27 August 2017 diff hist +1‎ Open bus behavior ‎ →‎CPU open bus: Group WRAM-related cases separately from controller-related cases
14:3114:31, 27 August 2017 diff hist +359‎ Open bus behavior ‎ split CPU open bus from lead section; Paperboy citation
12:4312:43, 27 August 2017 diff hist +96‎ Open bus behavior ‎ indexed read: finish my sentence
12:2312:23, 27 August 2017 diff hist +1,593‎ Open bus behavior ‎ Add PPU open bus and electrical basis sections; add controller port for Paperboy

15:2315:23, 24 August 2017 diff hist +140‎ APU ‎ Keep it simple stupid

16:4016:40, 6 August 2017 diff hist +89‎ Overscan ‎ →‎For emulator developers: 1080p is also common nowadays

02:1902:19, 31 July 2017 diff hist +118‎ INES Mapper 015 ‎ U1 is used for bus conflict avoidance

17:1817:18, 30 July 2017 diff hist +275‎ Overscan ‎ →‎For game developers: Link to border template
17:1417:14, 30 July 2017 diff hist +271‎ N File:Border of title safe area.png ‎ The border of the title safe area (224x192 pixels) that can be placed over a 256x224 pixel screenshot from an NES emulator to estimate what will be covered up by overscan. By Damian Yerrick; dedicated to the public domain using Cr... current
17:1417:14, 30 July 2017 diff hist +301‎ N File:Border of PocketNES safe area.png ‎ The border of the PocketNES safe area (240x212 pixels, centered two pixels down) that can be placed over a 256x224 pixel screenshot from an NES emulator to estimate what will be covered up by overscan. By Damian Yerrick; dedicated... current

16:1616:16, 24 July 2017 diff hist 0‎ m Programming with unofficial opcodes ‎ →‎Disadvantages: cc65 proper is a compiler, and it doesn't emit unofficial opcodes to my knowledge

16:3416:34, 21 July 2017 diff hist +2,253‎ Talk:Sprite size ‎ Attempting to explain my wording

16:4816:48, 17 July 2017 diff hist 0‎ m File:Safe areas.png ‎ comma

16:5416:54, 5 July 2017 diff hist −94‎ Overscan ‎ →‎For game developers: Left bias isn't quite as noticeable as I had thought, possibly because of 227.333 (NES) vs. 227.5 (standard) clocks

03:2603:26, 2 July 2017 diff hist +15‎ APU Envelope ‎ Quarter frames

01:0001:00, 29 June 2017 diff hist −2‎ m APU Sweep ‎ →‎Updating the period: damn you markdown muscle memory
00:5700:57, 29 June 2017 diff hist +5‎ APU Sweep ‎ Mention earlier that the unit is half-frames
00:5700:57, 29 June 2017 diff hist −266‎ APU Sweep ‎ →‎Updating the period: Zero before reload does the same thing whether reload is set or clear. Thus it can be factored out into a separate step.
00:3200:32, 29 June 2017 diff hist +276‎ APU Pulse ‎ Per request from rainwarrior, get the observable output up front and center, and put the internal crap below

23:3723:37, 28 June 2017 diff hist +263‎ APU Pulse ‎ Clarify LUT vs. output waveform per request at https://forums.nesdev.com/viewtopic.php?f=3&t=16158

01:4501:45, 19 June 2017 diff hist 0‎ m Talk:Nesdev ‎ Protected "Talk:Nesdev": Excessive spamming: Bots didn't figure this out on the other page where this is used ([Edit=Allow only administrators] (indefinite) [Move=Allow only administrators] (indefinite)) current
01:4401:44, 19 June 2017 diff hist +404‎ Talk:Nesdev ‎ Transclude actual talk page
01:4301:43, 19 June 2017 diff hist 0‎ m Talk:Nesdev/current ‎ Tepples moved page Talk:Nesdev to Talk:Nesdev/current: Ad hoc protection to deter spam by poorly programmed bots current
01:4301:43, 19 June 2017 diff hist +33‎ N Talk:Nesdev ‎ Tepples moved page Talk:Nesdev to Talk:Nesdev/current: Ad hoc protection to deter spam by poorly programmed bots

01:2801:28, 18 June 2017 diff hist −77‎ m NSF2 ‎ Reverting a change that was discussed only in the "Famitracker Community" Discord server

22:2722:27, 7 May 2017 diff hist +143‎ PAL video ‎ Factor out 50/60 vs. PAL/NTSC differences in preparation for future addition of PAL-M

16:0916:09, 5 May 2017 diff hist +80‎ Programming with unofficial opcodes ‎ "Duplicated instructions" above "NOPs" makes the intro to "NOPs" slightly smoother in my opinion
16:0516:05, 5 May 2017 diff hist +139‎ Programming with unofficial opcodes ‎ Undo revision 13740 by Pubby (talk): This sentence explains the purpose of a variable entry point to a clockslide in the first place

17:3417:34, 24 April 2017 diff hist +40‎ Limitations ‎ →‎Driving: Article about bending the racetrack
15:2815:28, 24 April 2017 diff hist +393‎ Talk:Mirroring ‎ →‎Moving the bulk of scrolling update problems to scrolling page: CNP moves
15:1715:17, 24 April 2017 diff hist +354‎ The frame and NMIs ‎ →‎Buffer Formats: Stripe Image and Popslide current

22:1122:11, 22 April 2017 diff hist −11‎ Nestech.txt errata ‎ timestamp inside ndox200.zip is October 1999

04:2904:29, 18 April 2017 diff hist +30‎ Enhancement ‎ →‎Resolution: Nova the Squirrel uses the same VWF library as RHDE
04:2804:28, 18 April 2017 diff hist +86‎ Enhancement ‎ →‎Map logging: Nintaco

17:0217:02, 13 April 2017 diff hist +56‎ Nesdev Wiki ‎ →‎Current news

00:4600:46, 5 April 2017 diff hist +175‎ Tricky-to-emulate games ‎ Two more games that overwrite CHR ROM

04:3604:36, 1 April 2017 diff hist +30‎ CHR ROM vs. CHR RAM ‎ →‎Applications: Nova the Squirrel uses the same VWF library as Action 53

22:2522:25, 26 March 2017 diff hist +107‎ Glossary ‎ →‎R: Distinguish "rendering enabled" from "rendering in progress"
22:2222:22, 26 March 2017 diff hist +162‎ Glossary ‎ →‎R: wbrian requested an explicit definition of the term "rendering enabled" at http://forums.nesdev.com/viewtopic.php?f=22&t=12055
22:1822:18, 26 March 2017 diff hist +42‎ Glossary ‎ →‎F: Which bits of $2001 are most relevant to forced blanking
22:0722:07, 26 March 2017 diff hist +49‎ Errata ‎ →‎Input: link to the OAM trick
15:2715:27, 26 March 2017 diff hist +118‎ Errata ‎ →‎Input: OAM DMA to align to APU clock

20:2920:29, 12 March 2017 diff hist +16‎ CPU interrupts ‎ →‎Notes: Additional article about NMI
20:2620:26, 12 March 2017 diff hist +267‎ CPU interrupts ‎ →‎Interrupt hijacking: Conspicuous by its absence was the address of each of the three vectors. Reported by DementedPurple at https://forums.nesdev.com/viewtopic.php?p=191016#p191016
02:4602:46, 12 March 2017 diff hist +10‎ MediaWiki:Sidebar ‎ Undo revision 13443 by Tepples (talk): Protocol-relative URLs in Sidebar not working. $wgUrlProtocols may be at fault; can't test because I lost SSH access.
02:3502:35, 12 March 2017 diff hist −10‎ MediaWiki:Sidebar ‎ Made URLs protocol-relative, fixing Myask's report at https://forums.nesdev.com/viewtopic.php?p=190971#p190971
02:3402:34, 12 March 2017 diff hist −5‎ MediaWiki:Recentchangestext ‎ Made protocol-relative, fixing Myask's report at https://forums.nesdev.com/viewtopic.php?p=190971#p190971 current

13:3313:33, 11 March 2017 diff hist +103‎ Sprite overflow games ‎ →‎Homebrew: City Trouble

04:2204:22, 5 March 2017 diff hist +151‎ List of games with significant regional differences ‎ TCRF has a multi-platform list

17:4917:49, 26 February 2017 diff hist −1‎ Standard controller ‎ →‎Output ($4016/$4017 read): allpads.nes says $4016 D4-3 is still open bus on HVC-101

17:0917:09, 23 February 2017 diff hist −5‎ INES Mapper 071 ‎ →‎Notes: Is this Battletoads? Simple discrete-class mapper: check. Single screen mirroring: check. Picky about timing: really check.
03:2603:26, 23 February 2017 diff hist 0‎ m NES 2.0 header for ca65 ‎ TV system typo too
03:2503:25, 23 February 2017 diff hist 0‎ m NES 2.0 header for ca65 ‎ Typo in mirroring for mapper 218

17:0217:02, 20 February 2017 diff hist +136‎ Overscan ‎ →‎For game developers: Diagram get
16:5916:59, 20 February 2017 diff hist +1‎ m File:Safe areas (pixel perfect).png ‎ oops, don't want to include the whole enlarged version
16:5916:59, 20 February 2017 diff hist +43‎ N File:Safe areas (pixel perfect).png ‎ Unscaled version of File:Safe areas.png
16:5816:58, 20 February 2017 diff hist +854‎ N File:Safe areas.png ‎ Diagram of safe area on 5.37 MHz NTSC VDPs like the NES PPU ;Red: Danger Zone, top and bottom 8 lines :Most TVs hide all of this. Keep NES scroll seam artifacts here if possible. Later consoles don't even generate this. ;Yel...

00:2500:25, 15 February 2017 diff hist +133‎ NTSC video ‎ →‎Color Tint Bits: 6, 10, or 12

23:3723:37, 13 February 2017 diff hist −435‎ PPU registers ‎ →‎Color Control: $xE and $xF are unaffected. Also removed misleading color emphasis value table, as the verdict in https://forums.nesdev.com/viewtopic.php?f=16&t=15416 was that they're not even a good approximation.

21:2321:23, 12 February 2017 diff hist +3,479‎ N Commissioning ‎ Draft of pitfalls when hiring a programmer. Better title might be useful.

02:4802:48, 31 January 2017 diff hist +215‎ Game bugs ‎ →‎General bugs: Micro Machines
02:4502:45, 31 January 2017 diff hist +263‎ Program compatibility ‎ Stars Demo bug discovered by Zepper

04:3504:35, 26 January 2017 diff hist +9‎ Arpeggio ‎ Pently also supports non-looped arps current
04:2304:23, 26 January 2017 diff hist +446‎ Tile compression ‎ →‎NES Stripe Image RLE: There exists one game using the 80-FF terminator variant. See also Popslide.

18:5618:56, 17 January 2017 diff hist +31‎ m User talk:Sour ‎ secure "thread" links
18:5218:52, 17 January 2017 diff hist +62‎ User talk:Sour ‎ →‎Input Tests: thread for Zap Ruder

19:3819:38, 13 January 2017 diff hist +39‎ PPU palettes ‎ →‎EGA: Better name is RGBI
19:3619:36, 13 January 2017 diff hist +195‎ Talk:PPU palettes ‎ →‎"classic EGA palette": Section break
19:3519:35, 13 January 2017 diff hist +39‎ PPU palettes ‎ →‎Chroma: Add parallelism for hue list above to emphasize that the Windows/EGA list follows, as opposed to preceding

18:1318:13, 7 January 2017 diff hist +189‎ User talk:Sour ‎ →‎Confirmed: new section
05:2505:25, 7 January 2017 diff hist +89‎ APU Pulse ‎ Period divider is not reset on 4003/4007 write
05:1805:18, 7 January 2017 diff hist +197‎ APU ‎ →‎Glossary: syncing pulse phase through 0 period
05:1405:14, 7 January 2017 diff hist +86‎ APU Sweep ‎ →‎Updating the period: muting does not freeze the period divider per http://forums.nesdev.com/viewtopic.php?p=186150#p186150
05:1005:10, 7 January 2017 diff hist +28‎ Standard controller ‎ →‎Output ($4016/$4017 read): U-Force pads with 0 instead of 1
03:4403:44, 7 January 2017 diff hist +370‎ Emulator tests ‎ →‎Controller: Zap Ruder and allpads

00:0200:02, 2 January 2017 diff hist +3‎ m Emulators ‎ →‎Popular: BizHawk moved

19:4319:43, 29 December 2016 diff hist +157‎ Tricky-to-emulate games ‎ The Curse of Possum Hollow

17:0717:07, 28 December 2016 diff hist +29‎ m APU Sweep ‎ →‎Calculating the target period: left out some words in a refactoring of the "shift amount is zero" logic
17:0317:03, 28 December 2016 diff hist +632‎ APU Sweep ‎ ch1/ch2 differences and muting are more related to the target period than to updates
16:1116:11, 28 December 2016 diff hist −16‎ APU Sweep ‎ Make calculation of target period more distinct as a step in the sweep unit's operation; reiterate approximate rate of APU Frame Counter
15:5815:58, 28 December 2016 diff hist +142‎ APU Pulse ‎ Sweep registers are conspicuous by absence. IMO the least astonishing thing is to link to the page describing them.

20:2120:21, 27 December 2016 diff hist +48‎ Nesdev wiki:Users ‎ emailconfirmed breakage is the biggest variable here current

18:5018:50, 20 December 2016 diff hist +285‎ Programming with unofficial opcodes ‎ →‎Disadvantages: Practical implication of non-portability

19:2519:25, 12 December 2016 diff hist +23‎ Music ‎ APU period table
04:5104:51, 12 December 2016 diff hist +308‎ Tools ‎ →‎Pre-processors and other code (PRG) tools: shuffle.py
04:4504:45, 12 December 2016 diff hist +62‎ Tools ‎ →‎Assemblers, compilers, and PRG-oriented tools: Moved the most commonly used assemblers to the top
04:4004:40, 12 December 2016 diff hist +117‎ Tools ‎ →‎Map (nametable) editors: I rewrote 8name in Python for Concentration Room and Thwaite
04:3904:39, 12 December 2016 diff hist +312‎ Tools ‎ →‎Tile (CHR) editors: The version of 8ted here is deprecated. It has a bunch of crash bugs that I haven't the time to track down. Use GIMP + pilbmp2nes.py instead.

00:3800:38, 10 December 2016 diff hist +135‎ Power Pad ‎ I've made a Power Pad demo https://forums.nesdev.com/viewtopic.php?p=184266#p184266
00:3500:35, 10 December 2016 diff hist −42‎ User:Tepples/Untested controllers ‎ I've made a Power Pad demo https://forums.nesdev.com/viewtopic.php?p=184266#p184266 current

03:0703:07, 7 December 2016 diff hist +40‎ PPU scrolling ‎ →‎Frequent pitfalls: tl;dr version for both pitfalls

18:1218:12, 4 December 2016 diff hist +1,010‎ Mouse ‎ →‎Subor Mouse: Add Hori Track, summarized from NO$NES
16:2316:23, 4 December 2016 diff hist +95‎ Mouse ‎ lead: mention Hori Track given recent exhibition at Nintendo World

05:2305:23, 1 December 2016 diff hist +87‎ INES Mapper 243 ‎ See also 8259
05:2105:21, 1 December 2016 diff hist +4‎ Mirroring ‎ →‎Other: Emphasize close relationship between the two mappers with L-shaped as a stock mode: they're both Sachen
04:1004:10, 1 December 2016 diff hist +85‎ User:Sivak/Battle Kid: Fortress of Peril ‎ →‎External links: Credits

23:4223:42, 29 November 2016 diff hist +108‎ NES 2.0 header for ca65 ‎ nes2mirror needs a special value for mapper 218

04:2004:20, 16 November 2016 diff hist −213‎ m Talk:NESdev IRC channel ‎ Reverted edits by 69.20.131.234 (talk) to last revision by Tepples

04:4104:41, 15 November 2016 diff hist +5‎ The frame and NMIs ‎ Usability of the pre-render line depends on whether PPUMASK is zeroed. Dodge that discussion for now.
01:0601:06, 15 November 2016 diff hist −132‎ m Talk:NESdev IRC channel ‎ Reverted edits by 69.20.131.234 (talk) to last revision by Tepples

19:1319:13, 14 November 2016 diff hist −109‎ m Talk:NESdev IRC channel ‎ Reverted edits by 69.20.131.234 (talk) to last revision by Rainwarrior

00:3200:32, 11 November 2016 diff hist +214‎ Talk:Nesdev Wiki/current ‎ →‎Anonymous editing: All these IPs are in the same /30 as the webserver.
00:2400:24, 11 November 2016 diff hist +118‎ Talk:Nesdev Wiki/current ‎ →‎Anonymous editing: Testing something

21:5121:51, 8 November 2016 diff hist −211‎ m Talk:SxROM ‎ Reverted edits by 69.20.131.234 (talk) to last revision by Lidnariq

03:2503:25, 5 November 2016 diff hist −60‎ Tricky-to-emulate games ‎ See also lists of games by exploited quirk

04:0204:02, 14 October 2016 diff hist −6‎ m Least recently used ‎ ol
03:5203:52, 14 October 2016 diff hist +3,580‎ N Least recently used ‎ How and why Thwaite, RHDE, and my robotfindskitten implementation use LRU
03:4703:47, 14 October 2016 diff hist +41‎ Random number generator ‎ →‎References: See also Least recently used

00:0800:08, 9 October 2016 diff hist +112‎ Talk:Random number generator ‎ →‎Other random number generators: LRU vs. RC4 current
00:0300:03, 9 October 2016 diff hist +559‎ Talk:Random number generator ‎ →‎Other random number generators: Compare to 85

20:3020:30, 22 September 2016 diff hist +16‎ 6502 assembly optimisations ‎ →‎Avoiding the need for CLC/SEC with ADC/SBC: Adding a negative may be clearer for subtracting with carry clear
00:0800:08, 22 September 2016 diff hist +301‎ PPU attribute tables ‎ times sign to ×

15:5815:58, 21 September 2016 diff hist +659‎ 6502 assembly optimisations ‎ →‎Use Jump tables with RTS instruction instead of JMP indirect instruction: There's one case where this costs memory (Temp in zero page, no tail call, performed at peak stack use) but it's a pure saving in other cases
15:4515:45, 21 September 2016 diff hist +20‎ m Talk:6502 assembly optimisations ‎ →‎RTS Trick cycle use: improve poetic parallelism of example code current
15:4315:43, 21 September 2016 diff hist +1,656‎ Talk:6502 assembly optimisations ‎ →‎RTS Trick cycle use: new section

20:0520:05, 15 September 2016 diff hist +109‎ UxROM ‎ →‎See also: Converting UNROM to UOROM
01:4801:48, 15 September 2016 diff hist −4‎ m Overscan ‎ missing micro signs

01:2901:29, 14 September 2016 diff hist −14‎ m User:Tepples ‎ "But see"? No, I don't see your butt

02:5102:51, 8 September 2016 diff hist +39‎ VRC4 ‎ Quietust (_Q in #nesdev) thinks VRC stands for "Virtual ROM Controler" (sic)

13:1513:15, 7 September 2016 diff hist +329‎ Talk:Tile compression ‎ →‎NES Stripe Image RLE: Next anticipated project is a list

15:2515:25, 5 September 2016 diff hist +336‎ Talk:Tile compression ‎ →‎NES Stripe Image RLE: BPL

21:0721:07, 4 September 2016 diff hist +310‎ Talk:Tile compression ‎ →‎NES Stripe Image RLE: new section

17:0517:05, 30 August 2016 diff hist +141‎ Tricky-to-emulate games ‎ RHDE uses the same behind-BG quirk as SMB3. Are homebrew games published on cart eligible? In lists of games using one quirk, to what extent does notability (licensed vs. homebrew) override alphabetical order?

20:0520:05, 28 August 2016 diff hist 0‎ MediaWiki:Sidebar ‎ New HTML snapshot
16:4816:48, 28 August 2016 diff hist +212‎ Color $0D games ‎ →‎Tests: 240p test suite

22:3822:38, 23 August 2016 diff hist 0‎ APU basics ‎ Clarify in lead section that this is a tutorial current
22:3722:37, 23 August 2016 diff hist +149‎ APU basics ‎ →‎Register initialization: Briefly list APU features that the initialization disables

00:4800:48, 26 July 2016 diff hist +279‎ PRG RAM circuit ‎ →‎PRG /CE delay: lidnariq's delay

14:2514:25, 21 July 2016 diff hist +223‎ PPU scrolling ‎ →‎Explanation: Reiterate that fine X doesn't "count" during rendering per misunderstanding at http://forums.nesdev.com/viewtopic.php?p=175852#p175852

13:4613:46, 17 July 2016 diff hist +2,593‎ N User:Tepples/Untested controllers ‎ Wishlist
13:1013:10, 17 July 2016 diff hist +85‎ User:Tepples ‎ Redlink for new page about controller tests that don't yet exist

23:0823:08, 15 July 2016 diff hist +252‎ N User talk:Myask/Universal Mapper Description Language ‎ →‎Reinventing Verilog much?: new section
03:2503:25, 15 July 2016 diff hist +74‎ Tricky-to-emulate games ‎ B-Wings had terrible programmers http://forums.nesdev.com/viewtopic.php?p=175458#p175458

02:4202:42, 13 July 2016 diff hist +210‎ Talk:MMC5 pinout ‎ →‎CHR enable lines...where?: RM4−∞

23:4123:41, 11 July 2016 diff hist +94‎ Talk:Random number generator ‎ →‎Explaining edit for simplification and "advanced" page: Good call
02:4102:41, 11 July 2016 diff hist +66‎ m Random number generator ‎ clarify further the role of prng_xbits
02:3702:37, 11 July 2016 diff hist +290‎ Random number generator ‎ →‎Linear feedback shift register: prng_xbits generalization
02:2802:28, 11 July 2016 diff hist +25‎ m Nestech.txt errata ‎ SRAM: clarify what "here" means

12:3612:36, 8 July 2016 diff hist +464‎ 2A03 ‎ It was requested in http://forums.nesdev.com/viewtopic.php?f=9&t=14421 to document the long-standing discrepancy between "$4018-$FFFF" and "$4020-$FFFF"
12:3112:31, 8 July 2016 diff hist +92‎ CPU memory map ‎ This is as short as I can make the explanation of $4018-$401F, per http://forums.nesdev.com/viewtopic.php?f=9&t=14421

18:4718:47, 27 June 2016 diff hist +263‎ Detect TV system ‎ "What to change" may be clearer as bullet points.
13:2713:27, 27 June 2016 diff hist +177‎ Clock rate ‎ move CPU-related lines above PPU-related lines
13:1813:18, 27 June 2016 diff hist +150‎ Clock rate ‎ Frame counter differs between CPUs

02:5802:58, 26 June 2016 diff hist +358‎ User:Tepples ‎ Pently is coming
02:4502:45, 26 June 2016 diff hist +285‎ RTS Trick ‎ →‎Games that use the RTS Trick: Pently 5 is in development right now, and prerelease 5 switched from a branch tree to RTS dispatch

19:2319:23, 22 June 2016 diff hist +42‎ PPU sprite priority ‎ transparent background pixels always cause the frontmost sprite to be shown regardless of priority

15:3915:39, 20 June 2016 diff hist +841‎ APU Envelope ‎ added ASCII diagram analogous to that in APU Pulse

14:0614:06, 19 June 2016 diff hist +48‎ PAL video ‎ why the simple method isn't as effective
13:5313:53, 19 June 2016 diff hist +59‎ m PAL video ‎ twelve times what? fix brain fart
13:5113:51, 19 June 2016 diff hist +138‎ PAL video ‎ link to more tractable 53.2 MHz resampled version
13:4813:48, 19 June 2016 diff hist +145‎ m File:PAL signal 6538 53.2MHz.png ‎ correct 250 MHz link current
13:4413:44, 19 June 2016 diff hist +403‎ N File:PAL signal 6538 53.2MHz.png ‎ One field of raw composite video from a PAL famiclone resampled to 53.2 MHz (twice the PAL master clock), for testing PAL video decoders. Ten pixels in this capture correspond to one NES pixel; twelve correspond to one cycle of the color subcarrier...
12:2912:29, 19 June 2016 diff hist +127‎ PAL video ‎ why 135 degrees

20:1620:16, 18 June 2016 diff hist +491‎ NTSC video ‎ See also PAL video
20:1220:12, 18 June 2016 diff hist +100‎ NTSC video ‎ →‎Interactive Demo: Bisqwit's NTSC decoder
20:0920:09, 18 June 2016 diff hist +2,285‎ N PAL video ‎ Everything I know off the top of my head about this video format
20:0020:00, 18 June 2016 diff hist −5‎ m File:PAL signal 6538 250MHz.png ‎ damn you muscle memory current
19:5719:57, 18 June 2016 diff hist +413‎ N File:PAL signal 6538 250MHz.png ‎ Raw 250 MHz capture of one field of composite output from the UMC UA6538 PPU in a PAL famiclone running a palette demo. The dark stripe at far left is the horizontal sync pulse. The authentic 2C07 produces a similar signal. Use this to test your emulat...
01:0501:05, 18 June 2016 diff hist +164‎ Overscan ‎ →‎PAL: Dendy behaves like PAL NES in this respect

23:4423:44, 17 June 2016 diff hist −223‎ Clock rate ‎ there are now a few Dendy owners on forums.nesdev.com

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