User contributions for Tepples
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16 April 2024
- 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
8 April 2024
- 17:2117:21, 8 April 2024 diff hist +76 MMC1 →PRG bank (internal, $E000-$FFFF): "affected" and "bypassed" were unclear current
23 March 2024
- 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
26 February 2024
- 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
15 February 2024
- 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
7 January 2024
- 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
15 November 2023
- 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
2 November 2023
- 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
9 October 2023
- 22:0322:03, 9 October 2023 diff hist +88 Level compression →Metametatiles: FQ uses same nesting as BM current
1 October 2023
- 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.
20 September 2023
- 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
15 September 2023
- 00:0200:02, 15 September 2023 diff hist −86 m Action 53 manual →Precautions: Cut some unnecessary words current
29 August 2023
- 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
6 August 2023
- 14:2114:21, 6 August 2023 diff hist +51 PPU palettes →Memory Map: zeta0134 suggested mentioning the $3F10 backdrop color footgun earlier
28 July 2023
- 14:1314:13, 28 July 2023 diff hist +291 Game bugs →General bugs: Strider, citing Behind the Code by Displaced Gamers
15 July 2023
- 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
10 June 2023
- 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
25 May 2023
- 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
6 May 2023
- 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.
25 April 2023
- 03:1903:19, 25 April 2023 diff hist +113 Programming UNROM →Programming UN1ROM and others: Copyedit as "Variants with non-consecutive bank numbers" current
3 April 2023
- 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
31 March 2023
- 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
25 March 2023
- 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.
19 March 2023
- 23:0523:05, 19 March 2023 diff hist +390 Errata →Video: a mid-scanline first write to PPUSCROLL, per lidnariq
18 March 2023
- 01:4401:44, 18 March 2023 diff hist +101 User:Tepples/Concentration Room add GitHub download current
15 March 2023
- 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
12 March 2023
- 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
26 February 2023
- 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
25 February 2023
- 15:3015:30, 25 February 2023 diff hist +94 Programming with unofficial opcodes In-ROM breakpoint possibility current
20 February 2023
- 22:5222:52, 20 February 2023 diff hist +106 UNROM 512 →InfiniteNESLives 4-screen board: PT1 in bank 3 still usable
5 February 2023
- 19:0319:03, 5 February 2023 diff hist +223 Detect TV system old wording implied "you can't play a middle C on PAL"
17 January 2023
- 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)