User contributions for Ulfalizer

1 April 2013

• 11:4311:43, 1 April 2013 diff hist +385‎ Emulator tests ‎ Add Bill & Ted's Excellent Adventure to hard-to-emulate games
• 11:3211:32, 1 April 2013 diff hist +47‎ Emulator tests ‎ Battletoads also requires a decent sprite zero implementation
• 11:2911:29, 1 April 2013 diff hist +31‎ Emulator tests ‎ Rephrase Paperboy entry a bit
• 11:2211:22, 1 April 2013 diff hist +448‎ Emulator tests ‎ Add details on what makes Battletoads tricky
• 11:0411:04, 1 April 2013 diff hist +27‎ PPU ‎ Clarify that tile graphics are for both BG and sprites
• 10:5110:51, 1 April 2013 diff hist +2‎ m PPU palettes ‎ s/a/the/
• 10:5010:50, 1 April 2013 diff hist +202‎ Emulator tests ‎ Rearrange SMB entry so the name comes first and add some links on hard-to-emulate aspects
• 10:4210:42, 1 April 2013 diff hist +329‎ PPU palettes ‎ Clarify why $3F04/$3F08/$3F0C are normally unused and add note on black sky in SMB
• 10:3210:32, 1 April 2013 diff hist +371‎ PPU OAM ‎ Add information on how sprite zero hit detection works internally
• 10:2310:23, 1 April 2013 diff hist +43‎ PPU OAM ‎ Specify where the OAM memory is located.
• 10:1810:18, 1 April 2013 diff hist 0‎ m PPU ‎No edit summary
• 10:1710:17, 1 April 2013 diff hist +40‎ PPU ‎ Clarify roles a bit
• 10:1210:12, 1 April 2013 diff hist +10‎ PPU ‎ Clarify that OAM page is sprite-related
• 09:5209:52, 1 April 2013 diff hist +124‎ PPU ‎ Emphasize importance of Skinny for emulator authors (as it's hidden under "hardware" behaviors)
• 09:4309:43, 1 April 2013 diff hist +191‎ PPU OAM ‎ Linkify some registers

28 March 2013

• 11:0511:05, 28 March 2013 diff hist +295‎ Talk:PPU OAM ‎No edit summary
• 09:3109:31, 28 March 2013 diff hist 0‎ PPU OAM ‎ Rearrange "Internal operation" section slightly
• 09:2809:28, 28 March 2013 diff hist +26‎ PPU OAM ‎ Small internal operation clarification
• 09:2709:27, 28 March 2013 diff hist +374‎ PPU OAM ‎ Add some internal sprite priority details
• 08:5408:54, 28 March 2013 diff hist +11‎ PPU OAM ‎ Minor sprite zero clarifications
• 08:5008:50, 28 March 2013 diff hist +73‎ PPU OAM ‎ Clarify non-bg condition
• 08:4508:45, 28 March 2013 diff hist −4‎ m PPU OAM ‎No edit summary
• 08:3508:35, 28 March 2013 diff hist +18‎ PPU OAM ‎ Rephrase sprite zero section to be a bit less awkward
• 08:3008:30, 28 March 2013 diff hist +5‎ m PPU OAM ‎No edit summary
• 08:2908:29, 28 March 2013 diff hist +618‎ PPU OAM ‎ Add information on sprite zero hits (verified in Visual 2C02)
• 06:3306:33, 28 March 2013 diff hist +374‎ Talk:PPU registers ‎No edit summary

27 March 2013

• 16:2116:21, 27 March 2013 diff hist +275‎ Talk:Visual 2C02 ‎No edit summary current
• 16:1816:18, 27 March 2013 diff hist +44‎ N File:Sprite.png ‎ State for (possible) Visual 2C02 bug report.
• 16:0616:06, 27 March 2013 diff hist 0‎ File:Ntsc timing.png ‎ Ulfalizer uploaded a new version of "File:Ntsc timing.png": Last version had contradictory information on where the first pixel is output in the notes.
• 16:0516:05, 27 March 2013 diff hist 0‎ File:Ppu.svg ‎ Ulfalizer uploaded a new version of "File:Ppu.svg": Last version had contradictory information on where the first pixel is output.
• 15:3115:31, 27 March 2013 diff hist +28‎ PPU registers ‎ Clarify PPUDATA read buffer address range.
• 15:1615:16, 27 March 2013 diff hist +15‎ m Game bugs ‎No edit summary
• 15:1415:14, 27 March 2013 diff hist +3‎ m Game bugs ‎No edit summary
• 15:0815:08, 27 March 2013 diff hist +272‎ Talk:Game bugs ‎No edit summary
• 15:0615:06, 27 March 2013 diff hist +39‎ Game bugs ‎ Rephrase "impossible" controller input section.

26 March 2013

• 04:4104:41, 26 March 2013 diff hist +192‎ Talk:Game bugs ‎No edit summary
• 04:3904:39, 26 March 2013 diff hist +29‎ Game bugs ‎ Preventing impossible controller input could be optional

25 March 2013

• 04:3804:38, 25 March 2013 diff hist +705‎ Game bugs ‎ Add section on left+right/up+down
• 04:1804:18, 25 March 2013 diff hist +1‎ m PPU OAM ‎ Fix typo
• 03:5703:57, 25 March 2013 diff hist +61‎ PPU OAM ‎ Clarify how DMA works
• 03:5303:53, 25 March 2013 diff hist +656‎ PPU OAM ‎ Add an overview of internal OAM operation
• 02:0402:04, 25 March 2013 diff hist +3‎ PPU registers ‎ Linkify PPU memory map and move a paragraph out of 'The PPUDATA read buffer' section
• 00:5900:59, 25 March 2013 diff hist −6‎ m Visual 2C02 ‎ Small formatting changes
• 00:3800:38, 25 March 2013 diff hist +50‎ PPU ‎ Add link to Visual 2C02 page

24 March 2013

• 16:2916:29, 24 March 2013 diff hist −1‎ m Emulator tests ‎No edit summary
• 16:0716:07, 24 March 2013 diff hist +1‎ Visual 2C02 ‎No edit summary
• 16:0516:05, 24 March 2013 diff hist +4,535‎ N Visual 2C02 ‎ Created page with "'''Note: Visual 2C02 and Visual RP2C02 are hosted on a limited uplink, so please avoid e.g. shift-reloading them. Normal reloading should work fine.''' [http://www.qmtpro.com..."
• 15:0715:07, 24 March 2013 diff hist 0‎ N File:Visual 2C02 sections.jpeg ‎No edit summary

23 March 2013

• 10:4910:49, 23 March 2013 diff hist +78‎ PPU registers ‎ No more sprites will be found after the OAM pointer has reached the end of OAM.

22 March 2013

• 04:5304:53, 22 March 2013 diff hist +4‎ PPU registers ‎ Use PPUDATA instead of $2007 to be more consistent with other sections.
• 04:0504:05, 22 March 2013 diff hist +80‎ PPU registers ‎ Clarify how DMA works.
• 03:3403:34, 22 March 2013 diff hist +57‎ PPU registers ‎ OAMADDR obscure behavior clarification.
• 03:2703:27, 22 March 2013 diff hist +8‎ PPU registers ‎ Small clarification of OAMADDR obscure behavior.
• 03:2503:25, 22 March 2013 diff hist +432‎ PPU registers ‎ Add some OAMADDR details that I have verified in Visual 2C02.

21 March 2013

• 06:0506:05, 21 March 2013 diff hist −249‎ PPU registers ‎ Undo revision 5784 by Ulfalizer (talk) (Should wait until the copying behavior has been verified. I can't reproduce it.)
• 04:4904:49, 21 March 2013 diff hist +87‎ Emulator tests ‎ Add Huge Insect to list of hard-to-emulate games.
• 04:4504:45, 21 March 2013 diff hist 0‎ Emulator tests ‎ Arrange hard-to-emulate games alphabetically.
• 04:2604:26, 21 March 2013 diff hist +249‎ PPU registers ‎ Clarify how DMA transfer works and add some obscure details about $2003
• 00:3800:38, 21 March 2013 diff hist 0‎ File:Ppu.svg ‎ Ulfalizer uploaded a new version of "File:Ppu.svg": Fix typo.
• 00:3700:37, 21 March 2013 diff hist 0‎ File:Ntsc timing.png ‎ Ulfalizer uploaded a new version of "File:Ntsc timing.png": Fix typo.
• 00:2600:26, 21 March 2013 diff hist 0‎ File:Ppu.svg ‎ Ulfalizer uploaded a new version of "File:Ppu.svg": Add note about beginning emulator development.
• 00:2400:24, 21 March 2013 diff hist 0‎ File:Ntsc timing.png ‎ Ulfalizer uploaded a new version of "File:Ntsc timing.png": Bleh... last update didn't stick for some reason.
• 00:2000:20, 21 March 2013 diff hist 0‎ File:Ntsc timing.png ‎ Ulfalizer uploaded a new version of "File:Ntsc timing.png": Remove a "not" and update modification date.
• 00:1600:16, 21 March 2013 diff hist 0‎ File:Ntsc timing.png ‎ Ulfalizer uploaded a new version of "File:Ntsc timing.png": Add note about beginning emulator development.

20 March 2013

• 02:4902:49, 20 March 2013 diff hist +223‎ Talk:PPU ‎No edit summary

19 March 2013

• 19:2219:22, 19 March 2013 diff hist +247‎ Talk:INES Mapper 001 ‎No edit summary
• 19:0919:09, 19 March 2013 diff hist +340‎ PPU registers ‎ Clarify EXT input/output.
• 08:1308:13, 19 March 2013 diff hist +127‎ Talk:Standard controller ‎No edit summary
• 07:2207:22, 19 March 2013 diff hist +230‎ Talk:Standard controller ‎No edit summary
• 06:1406:14, 19 March 2013 diff hist +88‎ Talk:INES Mapper 001 ‎No edit summary
• 06:1406:14, 19 March 2013 diff hist +217‎ N Talk:INES Mapper 001 ‎ Created page with "Would it be okay to add a note to Disch's note explaining the "too close together" behavior? Kev says it's due to edge-triggering. The note would clearly indicate that it's a..."
• 06:1006:10, 19 March 2013 diff hist +93‎ PPU registers ‎ Small PPUDATA clarification.
• 05:5605:56, 19 March 2013 diff hist +384‎ PPU registers ‎ Reads from the palette do affect the internal buffer. Also clarify when the internal buffer is updated.
• 05:1105:11, 19 March 2013 diff hist +17‎ Standard controller ‎ Clarify where 0x40 comes from.
• 05:0405:04, 19 March 2013 diff hist +114‎ Emulator tests ‎No edit summary
• 04:5104:51, 19 March 2013 diff hist 0‎ m Standard controller ‎ Rearrange slightly in order of importance.
• 04:5004:50, 19 March 2013 diff hist +260‎ Standard controller ‎ Add note about open bus causing the returned value to not be exactly 0/1.
• 01:1201:12, 19 March 2013 diff hist 0‎ File:Ppu.svg ‎ Ulfalizer uploaded a new version of "File:Ppu.svg": Add timing information for sprite 0 and image drawing.
• 01:1101:11, 19 March 2013 diff hist 0‎ File:Ntsc timing.png ‎ Ulfalizer uploaded a new version of "File:Ntsc timing.png": Add timing information for sprite 0 and image drawing.
• 01:1001:10, 19 March 2013 diff hist −63‎ PPU rendering ‎ The first pixel being output during the idle tick is incorrect.

16 March 2013

• 20:4620:46, 16 March 2013 diff hist −5‎ m Standard controller ‎ Fix small typo.
• 20:4420:44, 16 March 2013 diff hist +301‎ Standard controller ‎No edit summary
• 17:5617:56, 16 March 2013 diff hist +7‎ PPU rendering ‎ Put diagram into its own section.
• 17:4917:49, 16 March 2013 diff hist +44‎ PPU frame timing ‎No edit summary
• 17:4017:40, 16 March 2013 diff hist +131‎ The skinny on NES scrolling ‎ Add link to NTSC PPU SVG timing diagram.
• 17:2817:28, 16 March 2013 diff hist +153‎ PPU registers ‎No edit summary
• 17:2217:22, 16 March 2013 diff hist +306‎ PPU rendering ‎ Add frame timing diagram
• 17:1017:10, 16 March 2013 diff hist +44‎ N File:Ppu.svg ‎ NTSC frame timing diagram (source SVG file).
• 16:5916:59, 16 March 2013 diff hist +26‎ N File:Ntsc timing.png ‎ NTSC frame timing diagram.
• 16:0816:08, 16 March 2013 diff hist +135‎ PPU frame timing ‎ Fix location of skipped tick.
• 15:3615:36, 16 March 2013 diff hist +10‎ m PPU OAM ‎ Make the difference between the NES and SNES vflip modes clearer.
• 15:3515:35, 16 March 2013 diff hist 0‎ PPU OAM ‎ Clarify vflip for 8x16 sprites.
• 15:2915:29, 16 March 2013 diff hist 0‎ m PPU registers ‎ Small grammar fix.
• 15:2515:25, 16 March 2013 diff hist +206‎ PPU registers ‎ Clarify when the vblank/sprite 0/overflow flags are set and cleared.
• 15:1115:11, 16 March 2013 diff hist +1‎ m PPU rendering ‎ Small consistency fix.
• 15:0915:09, 16 March 2013 diff hist +371‎ PPU rendering ‎ Update timings to reflect the latest information gleaned from Visual 2C02 (mostly delaying the fetches by one cycle)
• 00:4500:45, 16 March 2013 diff hist +222‎ Talk:PPU registers ‎No edit summary
• 00:3800:38, 16 March 2013 diff hist +256‎ Talk:PPU rendering ‎No edit summary
• 00:3000:30, 16 March 2013 diff hist +175‎ Talk:PPU ‎No edit summary

18 January 2013

• 04:3004:30, 18 January 2013 diff hist +134‎ N Talk:Emulator tests ‎ Created page with "The http://blargg.parodius.com links are broken (e.g., instr_test-v3.zip). --~~~~"