User contributions for Tepples
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29 August 2023
- 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)
2 January 2023
- 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
31 December 2022
- 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
30 December 2022
- 15:2015:20, 30 December 2022 diff hist +131 Tricky-to-emulate games →External links: a GBA tricky list
19 November 2022
- 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.
4 October 2022
- 03:1003:10, 4 October 2022 diff hist +309 File:Safe areas.png Why "5.37 MHz" is used
23 August 2022
- 17:0817:08, 23 August 2022 diff hist +55 Game bugs →Reliance on RAM values: speedrun verification
22 August 2022
- 17:1017:10, 22 August 2022 diff hist +145 File:NTS scrolling seam.gif explain $2000 and $2400; add creation date current
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
12 March 2022
- 16:1316:13, 12 March 2022 diff hist +159 Fonts →8x8-pixel fonts: voltage-dependent output impedance current
