User contributions for Fiskbit
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14 April 2024
- 21:3821:38, 14 April 2024 diff hist −1 m Family Computer Disk System was -> is (the FDS still exists today).
6 April 2024
- 07:5807:58, 6 April 2024 diff hist +156 Talk:NTSC video →Citation broken link: Notes that the link is now fixed. current
- 07:5507:55, 6 April 2024 diff hist +32 NTSC video Fixes "Understanding Analog Video Signals" tutorial link. (Maxim Integrated seems to now be at analog.com) current
27 March 2024
- 21:5221:52, 27 March 2024 diff hist +14 FamicomBox →Hardware configurations: Adds the newly-discovered SSS-CPU-02 main board revision (using E/E-0 CPU/PPU). Differences compared to 04 are not yet known. current
25 March 2024
- 08:2008:20, 25 March 2024 diff hist +2,807 EXP pins Adds Broke Studio boards. Makes a small change to the ATtiny13 programming description for clarity. current
18 March 2024
- 21:0621:06, 18 March 2024 diff hist 0 6502 assembly optimisations →Avoiding the need for CLC/SEC with ADC/SBC: If carry is clear, SBC should use value-1, not value+1. Thanks to Ooxie for reporting. current
- 10:2510:25, 18 March 2024 diff hist +43 m CPU memory map Fixes two references to the now-removed "cartridge space". Clarifies that the vectors in the unmapped space are supplied by the cartridge.
- 09:1809:18, 18 March 2024 diff hist +147 CPU memory map Clarifies that the "cartridge space" is really unmapped space cartridges can use. Adds the extremely common cartridge RAM and ROM mapping to the table to avoid users thinking ROM starts at $4020.
17 March 2024
- 01:2601:26, 17 March 2024 diff hist +18 DMA →Register conflicts: Adds Twin Famicom and Famicom Titler to the list of consoles known to clock joypads per CPU cycle. current
15 March 2024
- 15:5915:59, 15 March 2024 diff hist −900 APU DMC Removes the list of DMC DMA cycle length cases; a similar list now lives in 'Controller reading code' where it's more comprehensive for the task at hand. While this list is convenient, it can be misleading and is not enough to implement DMA correctly.
- 15:5515:55, 15 March 2024 diff hist +319 DMA →References: Brings over references from the defunct APU DMC cycle count section.
- 15:5415:54, 15 March 2024 diff hist +773 Controller reading code Adds a cycle count table for various DMC DMA cases to the synced reads section. This is more relevant and less misleading here than on the APU DMC page. current
- 15:0315:03, 15 March 2024 diff hist +237 DMA Adds more information to the summary table and rewords some points for clarity.
8 March 2024
- 16:2316:23, 8 March 2024 diff hist +3 m NES 2.0 →Default Expansion Device: Adds Famicom Network Controller link. Updates SNES mouse link to dedicated SNES mouse page.
5 March 2024
- 02:5902:59, 5 March 2024 diff hist +47 User:Fiskbit →Famicom (RF): Adds the newly-discovered HVC-CPU-02 board. current
21 February 2024
- 01:4401:44, 21 February 2024 diff hist +1 m CCU v2.00 CF30288 pinout Typo. current
9 February 2024
- 07:1707:17, 9 February 2024 diff hist −399 Patents Fixes links, which were all dead. current
3 February 2024
- 04:1404:14, 3 February 2024 diff hist −4 m Turbo File Grammar.
26 January 2024
- 16:3916:39, 26 January 2024 diff hist 0 m Color $0D games Replaces blown-out thumbnails with actual animated images. Slightly annoying, but less misleading / more useful.
- 06:0806:08, 26 January 2024 diff hist +113 m MMC1 Adds a reference to a forum thread about the MMC MULTI CHECKER-02 development board.
25 January 2024
- 14:3314:33, 25 January 2024 diff hist +8 m MMC1 →Reset: Wording.
- 11:4211:42, 25 January 2024 diff hist +331 MMC1 →Reset: Adds a note about why some games do reset writes to all 4 MMC1 registers.
20 January 2024
- 07:1107:11, 20 January 2024 diff hist −8 Input devices →Usage of port pins by hardware type: Removes read clock signal from controllers that likely don't actually use it. current
- 06:4506:45, 20 January 2024 diff hist +69 Famicom Network Controller Adds a controller image. Does some minor cleanup.
- 06:3806:38, 20 January 2024 diff hist +139 N File:Nintendo-Famicom-Modem-Controller.jpg The Famicom Network Controller, for use with Famicom Network System software. Image by Evan Amos current
- 05:2405:24, 20 January 2024 diff hist +2,699 Input devices Fixes content accidentally removed in previous edit.
- 05:2205:22, 20 January 2024 diff hist +2,374 Input devices Reworks the signal table to be better organized and easier to read. Adds more devices. Fixes the zapper audio signal.
19 January 2024
- 08:1608:16, 19 January 2024 diff hist +25 m Konami Hyper Shot Adds controllers category. current
18 January 2024
- 08:5708:57, 18 January 2024 diff hist +324 Family Computer Disk System Adds an infobox and FDS image.
- 06:2906:29, 18 January 2024 diff hist +167 N File:Nintendo-Famicom-Disk-System.jpg A Famicom plus Famicom Disk System. The disk drive connects through a cable on the RAM adapter cartridge. Image by Evan Amos current
- 05:2705:27, 18 January 2024 diff hist +61 Super NES Mouse Adds an SNES mouse image. current
- 05:2605:26, 18 January 2024 diff hist +78 N File:SNES-Mouse-and-Pad.jpg The SNES mouse. Image by Evan Amos current
- 05:2605:26, 18 January 2024 diff hist +77 SNES controller Adds an SNES controller image. current
- 05:2405:24, 18 January 2024 diff hist +92 N File:SNES-Controller-Flat.jpg The standard SNES controller. Image by Evan Amos current
- 05:2305:23, 18 January 2024 diff hist +50 R.O.B. Adds a ROB image. current
- 05:2005:20, 18 January 2024 diff hist +224 N File:NES-ROB.jpg The NES R.O.B. (Robotic Operating Buddy), a device separate from the console that is controlled by flashing on the TV and capable of pressing controller buttons. Image by Evan Amos current
- 04:4804:48, 18 January 2024 diff hist +61 Four player adapters Adds a Four Score image. current
- 04:4704:47, 18 January 2024 diff hist +105 N File:NES-Four-Score.jpg The NES Four Score, a four player adapter. Image by Evan Amos current
- 04:3304:33, 18 January 2024 diff hist +205 Standard controller Adds NES and Famicom player 2 controller images. current
- 04:3004:30, 18 January 2024 diff hist +192 N File:Nintendo-Famicom-Controller-II-FL.jpg The standard second-player Famicom controller, which omits start and select buttons but features a microphone with volume slider. Image by Evan Amos current
- 04:2604:26, 18 January 2024 diff hist +91 N File:NES-Controller-Flat.jpg The standard NES controller. Image by Evan Amos current
17 January 2024
- 18:2718:27, 17 January 2024 diff hist +57 Game Genie Adds a Game Genie image.
- 18:2418:24, 17 January 2024 diff hist +170 N File:Game-Genie-NES.jpg The Galoob Game Genie, a pass-through cartridge that can modify cartridge ROM values to alter game behavior. Image by Evan Amos current
- 17:5817:58, 17 January 2024 diff hist +32 m PPU rendering Adds formatting that ensures the priority table never hangs into the next section. current
- 17:5617:56, 17 January 2024 diff hist +95 Four player adapters Adds an NES Satellite image.
- 17:3417:34, 17 January 2024 diff hist +112 N File:NES-Satellite.jpg The NES Satellite, a wireless four player adapter. Image by Evan Amos current
- 17:3317:33, 17 January 2024 diff hist +97 Zapper Adds a gray Zapper image. current
- 17:3117:31, 17 January 2024 diff hist +92 N File:Nintendo-Entertainment-System-NES-Zapper-Gray-R.jpg The NES Zapper (gray version). Image by Evan Amos current
- 17:2817:28, 17 January 2024 diff hist +24 m Famicom 3D System Adds a caption on the device image. current
- 17:0117:01, 17 January 2024 diff hist +1,050 Famicom 3D System Rewrites the page opening with more meaningful information than a Wikipedia quote. Adds a games list (thank you to Retronika). Adds a device image.
- 16:5616:56, 17 January 2024 diff hist +126 N File:Famicom-3D-System.jpg The Famicom 3D System, a 3D shutter-glass expansion port device. Image by Evan Amos current
- 15:4915:49, 17 January 2024 diff hist −43 m Turbo File Reverted edits by Retronika (talk) to last revision by Qalle Tag: Rollback
- 15:3215:32, 17 January 2024 diff hist +31 N Famicom 3D glasses Fiskbit moved page Famicom 3D glasses to Famicom 3D System: Moves page to match the device's name. current Tag: New redirect
- 15:3215:32, 17 January 2024 diff hist 0 m Famicom 3D System Fiskbit moved page Famicom 3D glasses to Famicom 3D System: Moves page to match the device's name.
16 January 2024
- 21:1121:11, 16 January 2024 diff hist +118 m PPU rendering Cleans up some sentences. Adds a reference for the greyscale disable behavior.
- 20:5020:50, 16 January 2024 diff hist +3,980 PPU rendering Replaces the preface section with a walk through the background rendering pipeline and pixel selection logic.
- 14:1314:13, 16 January 2024 diff hist 0 m PPU attribute tables Typo. (x by y, not y by x) current
15 January 2024
- 20:0920:09, 15 January 2024 diff hist +385 PPU rendering Updates the register rendering diagram: Cleans up the attributes side, explains when transfers happen, adds EXT input/output.
- 13:3313:33, 15 January 2024 diff hist +2,041 Arkanoid controller Adds a section on DPCM safety, because the Arkanoid controller has even more potential problems with DMC DMA than other controllers. Notes that a conversion should be started some time before the very first controller read to ensure valid data. current
14 January 2024
- 15:4215:42, 14 January 2024 diff hist −90 m Game bugs Removes sorting from the tables because the entries are already sorted and using sorting misorders entries starting with The.
- 15:3615:36, 14 January 2024 diff hist +516 Game bugs Adds Ai Senshi Nicol FDS race condition.
- 00:0800:08, 14 January 2024 diff hist +109 Controller reading code →DPCM Safety using Repeated Reads: Explains why repeated reads have a cycle budget.
13 January 2024
- 09:5909:59, 13 January 2024 diff hist +30 Controller reading code Notes that the DPCM bug is fixed on PAL.
- 09:5309:53, 13 January 2024 diff hist +4,825 Controller reading code Adds a DPCM Safety preamble explaining the bug and limitations common to all approaches. Adds (comprehensive?) pros and cons for each approach. Cleans up the synced reads explanation.
27 December 2023
- 10:3610:36, 27 December 2023 diff hist +118 Game bugs Adds Super Cars as another example of a game relying on the $2004 read functionality added in the 2C02G.
26 December 2023
- 21:4921:49, 26 December 2023 diff hist +2 m Tools Updates the dead Famitracker links to its new website. current
18 December 2023
- 17:1117:11, 18 December 2023 diff hist +22 Tools →General NES graphics studios: Notes the supported platforms for RetroSpriteEditor.
- 17:0917:09, 18 December 2023 diff hist +110 Tools →General NES graphics studios: Adds RetroSpriteEditor.
15 December 2023
- 09:5809:58, 15 December 2023 diff hist +538 Game bugs →Reliance on RAM values: Adds Keroppi to Keroriinu no Splash Bomb! crash bug.
13 December 2023
- 04:4604:46, 13 December 2023 diff hist +8 m PPU registers →Internal registers: Wording on v description.
10 December 2023
- 23:5223:52, 10 December 2023 diff hist 0 m NES 2.0 Reverses the order of Dn..Dm bits in the documentation to be high to low, matching the endianness we use within the bytes themselves. This addresses confusion about whether the data was stored in reverse.
- 12:1312:13, 10 December 2023 diff hist −139 m PPU scrolling Reverted edits by Binary-sequence (talk) to last revision by Jroweboy Tag: Rollback
- 12:1112:11, 10 December 2023 diff hist +798 PPU registers Better-integrates internal registers into this page. Makes improvements to the PPUSCROLL and PPADDR descriptions.
16 November 2023
- 00:4800:48, 16 November 2023 diff hist +115 FDS disk format →Disk info block (block 1): Not all prototype disks follow the presumed "Disk version" format. current
- 00:4600:46, 16 November 2023 diff hist +324 Game bugs Corrections and more details regarding Gimmick input glitches.
14 November 2023
- 17:0717:07, 14 November 2023 diff hist +333 PPU registers →The PPUDATA read buffer (post-fetch): More improvements for clarity based on feedback.
- 12:3112:31, 14 November 2023 diff hist +16 Controller reading code →DPCM Safety using OAM DMA: Clarifies that the three writes when an interrupt occurs are the stack writes.
12 November 2023
- 23:5023:50, 12 November 2023 diff hist +1 UNROM 512 Replaces "wram" with "RAM" to avoid confusion. WRAM often refers to non-persistent PRG-RAM, which this mapper doesn't natively support. current
11 November 2023
- 14:0914:09, 11 November 2023 diff hist +192 Game Genie →Bugs: Adds an example Game Genie code that relies on bus conflicts, as a test case for emulators.
2 November 2023
- 00:5500:55, 2 November 2023 diff hist −317 Color $0D games Cleans up some workarounds. Removes a patcher device suggestion: We should not be suggesting that people make or use hardware with the purpose of driving a 1 onto the bus so strongly that the 1 wins a bus conflict.
25 October 2023
- 10:1710:17, 25 October 2023 diff hist 0 m INES Mapper 101 →Bank Select ($6000-$7FFF): Formatting. current
13 October 2023
- 02:4202:42, 13 October 2023 diff hist +37 PPU variants Explicitly notes 2C05-99 grayscale has standard 2C02 behavior.
9 October 2023
- 09:5609:56, 9 October 2023 diff hist +1,135 PPU registers Updates the scroll section to make it clear that scroll must be written *after* PPUADDR and *with* PPUCTRL. Rewrites the palette read section for hopefully more detail and clarity, and to mention that not all PPUs support reading palettes.
- 04:1004:10, 9 October 2023 diff hist +3 Four player adapters Attempts to use the / prefix on joypad data lines when referring to signals that haven't yet been inverted. Cleans up the serial report formatting slightly.
- 03:5103:51, 9 October 2023 diff hist +1,157 Expansion port Rewrites and modernizes the Famicom EXP port signal descriptions. Adds a / prefix to joypad data lines to indicate inversion. Standardizes (for now) on OUTn formatting for joypad output bits. current
8 October 2023
- 20:3420:34, 8 October 2023 diff hist −78 2A03 Improves the opening line of the article. Removes unnecessary and incorrect 2A03/2A07 revision references. current
5 October 2023
- 01:5901:59, 5 October 2023 diff hist +321 2A03 Links to the PIT page now that it's not on the CPU test page anymore. Separates test mode and timer register ranges. Notes DMA register conflicts.
30 September 2023
- 00:3200:32, 30 September 2023 diff hist +5 m MMC5 pinout Adds back the missing † note indicator.
23 September 2023
- 07:4807:48, 23 September 2023 diff hist +1 PPU variants Test results suggest the RP2C04-0001 is probably a revision C PPU.
22 September 2023
- 06:3306:33, 22 September 2023 diff hist +33 CPU variants Adds new ceramic RP2A03 image.
- 06:3106:31, 22 September 2023 diff hist +16 PPU variants Adds new RP2C02 image.
- 06:3006:30, 22 September 2023 diff hist +31 N File:RP2C02 3F4 13.jpg From GuidoAnchovy current
- 06:2906:29, 22 September 2023 diff hist +31 N File:RP2A03 3G1 09.jpg From GuidoAnchovy current
- 00:2800:28, 22 September 2023 diff hist +427 INES Mapper 003 Updates Notes to better explain the bus conflict situation. Thanks to lidnariq and NewRisingSun for help hopefully getting this right. current
14 September 2023
- 02:3102:31, 14 September 2023 diff hist −26 Status flags →The B flag: Minor sentence changes for clarity. current
13 September 2023
- 02:4802:48, 13 September 2023 diff hist +73 Status flags Tries to add more clarity, particularly around the always-1 bit and B flag. Moves the table of contents to a more sensible place.
11 September 2023
- 21:3821:38, 11 September 2023 diff hist +200 FDS disk format Update date description with Heisei era, last 2 digits of current year, and Disk Writer information.
3 September 2023
- 11:2411:24, 3 September 2023 diff hist −21 DMA →Bugs: Adds new findings from dmc_dma_implicit_stop_level_test, which uses CPU test mode to sample the DMC level. The implicit-stop unexpected DMA is from the same address and is played.
22 August 2023
- 16:1716:17, 22 August 2023 diff hist +19 PPU variants Adds 2C05-99 PPU status ($2002) findings by forple from my 2002_open_bus_test_wip1 test.
19 August 2023
- 01:3601:36, 19 August 2023 diff hist +213 PPU variants Adds RC2C05-99 findings by forple from Micro Machines, Felix the Cat, palette_read_test, and oam_flicker_test.
