User contributions for Tepples

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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