User contributions for Tepples
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20 June 2022
- 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
14 June 2022
- 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
31 May 2022
- 13:5113:51, 31 May 2022 diff hist +68 Errata Harmonize double NMI behavior wording with SNES wiki
30 May 2022
- 13:5513:55, 30 May 2022 diff hist +162 Implementing Mappers In Hardware →74LVC245: Sik mentioned 74LVC4245 and 74ALVC164245
24 May 2022
- 16:2216:22, 24 May 2022 diff hist +39 CPU unofficial opcodes →Games using unofficial opcodes: Release date for Dynowarz from Wikipedia
22 May 2022
- 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 May 2022
- 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
11 May 2022
- 13:2613:26, 11 May 2022 diff hist +161 Overscan →NTSC: Explicitly distinguish side border from hblank
30 April 2022
- 18:2018:20, 30 April 2022 diff hist +139 Action 53 mapper →Registers: clarify lack of bus conflicts and in-game use of $81
20 April 2022
- 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
19 April 2022
- 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
8 April 2022
- 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
12 March 2022
- 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
5 March 2022
- 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
3 March 2022
- 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
13 February 2022
- 16:1416:14, 13 February 2022 diff hist +383 PPU sprite priority Two-sentence summary of priority rules, requested by puke7 in Discord current
11 February 2022
- 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
10 February 2022
- 19:0819:08, 10 February 2022 diff hist +22 Tricky-to-emulate games MMC1C is a mythical Pokémon
17 January 2022
- 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
6 January 2022
- 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
4 January 2022
- 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)
28 December 2021
- 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 December 2021
- 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.
16 November 2021
- 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
7 November 2021
- 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
5 November 2021
- 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
2 September 2021
- 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
16 August 2021
- 00:2500:25, 16 August 2021 diff hist +1,102 Nintendo header More caveats
15 August 2021
- 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
5 August 2021
- 16:1616:16, 5 August 2021 diff hist +235 N User:Abuse filter Soft redirect current
3 July 2021
- 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
1 July 2021
- 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
27 June 2021
- 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
23 June 2021
- 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
14 June 2021
- 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
9 June 2021
- 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
2 June 2021
- 19:1019:10, 2 June 2021 diff hist +109 APU Mixer these formulas are from apu_ref
31 May 2021
- 02:0602:06, 31 May 2021 diff hist +46 CPU unofficial opcodes →Arrangement: clarify what bold means, as jeff.r.day got confused
29 May 2021
- 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
1 May 2021
- 19:3819:38, 1 May 2021 diff hist +21 APU Mixer The formula at top is also an approximation, as MDFourier reveals
27 March 2021
- 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 March 2021
- 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
11 March 2021
- 00:2500:25, 11 March 2021 diff hist +63 Placeholder graphics →External links: NES-like category
26 February 2021
- 22:1922:19, 26 February 2021 diff hist +45 MMC1 →Hardware: AX5904 == MMC1A per jiggleyjelo/Poor Student Hobbyist
20 February 2021
- 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
10 February 2021
- 14:2014:20, 10 February 2021 diff hist +34 N Multichip Redirected page to NSF#Multi-chip tunes current
7 February 2021
- 20:2420:24, 7 February 2021 diff hist +115 Tricky-to-emulate games MMC5 audio in Ishin no Arashi submitted by NewRisingSun
5 February 2021
- 19:1119:11, 5 February 2021 diff hist +103 INES Mapper 218 Magic Floor works on AxROM and NROM boards
22 January 2021
- 18:2118:21, 22 January 2021 diff hist +402 Catch-up run-ahead
17 January 2021
- 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
16 January 2021
- 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
15 January 2021
- 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
14 January 2021
- 21:5421:54, 14 January 2021 diff hist +3,524 N Drawing terrain Summarize a tutorial by MortMort current
5 January 2021
- 02:5202:52, 5 January 2021 diff hist +3 m Emulator tests →PPU Tests: one forumlink had "ttp:"
3 January 2021
- 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
29 December 2020
- 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
5 December 2020
- 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
29 November 2020
- 14:5314:53, 29 November 2020 diff hist +369 Vs. System →Synchronization: Official use of "main" and "sub" terminology
20 November 2020
- 02:5602:56, 20 November 2020 diff hist +168 FDS BIOS →VRAM write transfer structure: Resembles Stripe Image