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• Hardware misc
  33 bytes (4 words) - 15:54, 25 May 2013
• Hardware pinout
  This section mostly group all the possible [[:Category:Pinouts|hardware pinout]] into one single page.
  4 KB (470 words) - 07:02, 13 October 2022
• Hardware bugs and quirks
  20 bytes (2 words) - 19:43, 29 October 2015
• Implementing Mappers In Hardware
  * how console works and how to interact with CPU and PPU on hardware level, ...ic also need notice this, for example, when inverting the WRAMCE of [[MMC1#Hardware|AX5904]], 74LS04 works, 74LVC1G04 not.
  24 KB (3,566 words) - 19:35, 13 February 2023

Page text matches

• Konami Hyper Shot
  == Hardware interface ==
  757 bytes (98 words) - 08:16, 19 January 2024
• Exciting Boxing Punching Bag
  == Hardware interface ==
  755 bytes (95 words) - 01:44, 19 January 2023
• NES 2.0 Mapper 258
  ...8]] has been tentatively reserved by the FCEUX developers to mean the same hardware as UNIF MAPR <tt>158B</tt>.
  130 bytes (21 words) - 00:24, 27 December 2017
• NES 2.0 Mapper 257
  ...7]] has been tentatively reserved by the FCEUX developers to mean the same hardware as UNIF MAPR <tt>PEC-586</tt>.
  133 bytes (21 words) - 00:21, 27 December 2017
• NES 2.0 Mapper 259
  ...9]] has been tentatively reserved by the FCEUX developers to mean the same hardware as UNIF MAPR <tt>F-15</tt>, an MMC3 multicart.
  149 bytes (24 words) - 00:27, 27 December 2017
• Battle Box
  ==Hardware interface==
  1 KB (170 words) - 20:23, 15 April 2021
• NES reference guide
  This page lists all major hardware reference divided by categories in their simplest form. From this list, yo === Hardware reference ===
  3 KB (387 words) - 02:07, 16 February 2024
• Program compatibility
  ...y. It is often the case that early homebrew ROMs will not run correctly on hardware. Since the release of the [[PowerPak]] in 2008, and general improvement in ...only appear due to lack of popular support in emulators, or sometimes even hardware limitations of flash-carts like the [[PowerPak]].
  2 KB (252 words) - 17:57, 24 January 2023
• Gimmick VRC4 Hack
  ==Hardware implementation==
  1 KB (188 words) - 16:09, 1 May 2023
• Partytap
  == Hardware interface ==
  1 KB (147 words) - 02:59, 19 January 2023
• NES 2.0 Mapper 525
  == Hardware ==
  1 KB (171 words) - 21:42, 25 October 2020
• INES Mapper 103
  ==Hardware== This hardware involves three [[7400]], two [[7410]], a [[7432]], a [[7474]], a [[74138]],
  1 KB (199 words) - 19:58, 22 June 2019
• CPROM
  == Hardware ==
  1 KB (200 words) - 22:25, 9 June 2016
• NES 2.0 Mapper 517
  ...banking similar to [[UNROM]] without bus conflicts, but has additional ADC hardware (different from [[NES 2.0 Mapper 515]]) for its custom microphone socket at
  287 bytes (37 words) - 12:40, 14 March 2018
• Fukutake Study Box
  [[Category:Hardware]]
  559 bytes (83 words) - 17:54, 29 January 2023
• FxROM
  == Hardware ==
  1 KB (191 words) - 06:23, 7 April 2021
• INES Mapper 038
  == Hardware ==
  1 KB (216 words) - 02:06, 14 September 2023
• INES Mapper 078
  ...g modes are not compatible, and trying to run either game with the other's hardware will produce major graphical glitching or lockups. == Hardware ==
  2 KB (352 words) - 09:43, 1 February 2024
• INES Mapper 099
  == Hardware == ...lation, the 8KiB banks are arranged as 0, 1, 2, 3, 0alternate, empty. (The hardware adds a wire to EPROM socket 2D or 6D, connecting OUT2 to A13)
  3 KB (451 words) - 17:13, 10 September 2017
• NES 2.0 Mapper 304
  ...e.org/details/youtube-M2-ovBQW978 hangs after completing level 4-4 on real hardware]) ...be-M2-ovBQW978 hardware video recording] seems to indicate that the actual hardware does not have a functioning IRQ counter.
  2 KB (261 words) - 09:56, 1 May 2018
• NROM-368
  == Hardware ==
  2 KB (346 words) - 21:20, 15 July 2019
• INES Mapper 042
  ...Baby" (really Bio Miracle Bokutte Upa). While they likely used different hardware, they can both be encompassed by a single mapper. ...gers after 24576 ($6000) have elapsed. FCEUX's source implies that the IRQ hardware is a 15-bit counter, and IRQ is asserted while the two MSBs are set, i.e. i
  2 KB (282 words) - 00:45, 18 April 2018
• Namco IPL Interface
  As the interface hardware was never released commercially, the information on this page is based on o == Hardware ==
  4 KB (578 words) - 00:17, 10 April 2024
• PPU
  === Hardware behaviors === * [[Visual 2C02]]: A hardware-level PPU simulator
  3 KB (446 words) - 05:01, 14 February 2023
• Jissen Mahjong controller
  == Hardware interface == There are (at least) two hardware revisions of the PCB inside, [http://archive.is/r170z] <!-- formerly http:/
  3 KB (419 words) - 00:39, 20 April 2020
• INES Mapper 086
  == Hardware ==
  2 KB (341 words) - 23:48, 6 September 2015
• NES 2.0 Mapper 407
  ...24 selects between PRG-ROM (0) and 64 KiB of PRG-RAM (1), which the OneBus hardware can map to both CPU and PPU address space.
  430 bytes (70 words) - 14:05, 18 December 2021
• Family BASIC Data Recorder
  == Hardware interface ==
  3 KB (415 words) - 22:03, 9 November 2023
• Color Dreams
  == Hardware ==
  3 KB (396 words) - 21:51, 26 February 2020
• PPU memory map
  == Hardware mapping ==
  3 KB (391 words) - 22:43, 2 March 2024
• INES Mapper 037
  == Hardware == It is very likely that the support hardware is a [[74161|74HC161]] latch and a [[7400|74HC00]] quad NAND gate, based on
  3 KB (461 words) - 04:02, 15 May 2019
• INES Mapper 036
  ...though these games can evidently be emulated as a weird kind of GNROM, the hardware does something quite different: ...e PCB, with no ASIC. They were also released in other regions on different hardware, and ''only'' Gluk's editions are compatible with the above-mentioned CHR b
  2 KB (275 words) - 19:51, 6 September 2018
• MMC4
  == Hardware ==
  2 KB (410 words) - 23:09, 20 May 2020
• INES Mapper 119
  == Hardware ==
  3 KB (415 words) - 06:17, 5 March 2019
• AxROM
  == Hardware == ...3 to be used to select up to 512 KB of PRG ROM for an oversized AxROM. In hardware this could be implemented by using an octal latch in place of the quad latc
  3 KB (526 words) - 17:37, 4 February 2024
• INES Mapper 020
  ...ed by emulators (to indicate to themselves that they are emulating the FDS hardware).
  649 bytes (104 words) - 03:44, 17 May 2020
• GxROM
  == Hardware ==
  3 KB (424 words) - 22:03, 10 September 2015
• INES Mapper 097
  The underlying hardware is a little more capable, but is wired in a way such that that is inaccessi
  898 bytes (102 words) - 22:21, 19 February 2020
• INES Mapper 144
  ...but a 300Ω resistor was added between CPU D0 and the combination of mapper hardware and ROM. This addition means that ''only'' the ROM's ''least significant bi
  920 bytes (120 words) - 20:39, 30 August 2022
• INES Mapper 067
  * PRG ROM size: Hardware supports at most 256 KiB * CHR ROM size: Hardware supports at most 128 KiB
  3 KB (514 words) - 19:22, 18 February 2020
• INES Mapper 040
  Like [[INES Mapper 050]], this hardware produces an interrupt 4096 M2 cycles after the IRQ is enabled. The corresponding hardware is a [//forums.nesdev.org/viewtopic.php?p=217200#p217200 CD4020 functioning
  2 KB (298 words) - 21:00, 16 August 2022
• Extended NES I/O
  ...e, such as a joypad or a cartridge that always drives /IRQ. If conflicting hardware is not present, these can be used as inputs to the console. ...e, such as a joypad or a cartridge that always drives /IRQ. If conflicting hardware is not present, these can be used as inputs to the console.
  5 KB (798 words) - 12:15, 10 August 2022
• CPU
  * [[CPU pinout|CPU pin-out and signals]], and other [[hardware pinout|hardware pin-outs]]
  2 KB (361 words) - 05:35, 11 January 2023
• NINA-001
  == Hardware == This hardware has a trivial oversize definition that supports 8 MiB PRG and 1 MiB CHR, ma
  3 KB (536 words) - 09:12, 10 January 2024
• Family BASIC Keyboard
  == Hardware interface == == Hardware ==
  7 KB (757 words) - 22:04, 9 November 2023
• NES 2.0 Mapper 290
  ...ico'' on that multicart has graphical glitches during attract mode on real hardware.
  759 bytes (86 words) - 06:40, 26 May 2020
• NES 2.0 submappers/Proposals
  ...it should not yet be allocated. There is no end to possible variations of hardware, and there is no need to speculate on the future. If you want to work on a 0: SL (all known hardware) <br>
  4 KB (649 words) - 19:09, 18 January 2023
• NES 2.0 Mapper 296
  ...egister and extended support for legacy mappers. While the original OneBus hardware only has MMC3-compatible registers, this type can directly emulate CNROM, U ...rt the background music, which however does not actually occur because the hardware blocks accesss to the playback address registers while the sample is still
  4 KB (602 words) - 14:37, 12 September 2022
• INES Mapper 250
  Hardware consists of regular MMC3 chip connected in different way:
  841 bytes (130 words) - 20:10, 14 April 2023
• MMC5 audio
  == Hardware == Expansion audio hardware configuration from HVC-ETROM-02:
  5 KB (774 words) - 04:50, 3 April 2023
• NES 2.0 Mapper 298
  ...selection screen [https://youtu.be/YIdkWZuoRXM will shake greatly on real hardware], and therefore is not an emulation fault.
  1 KB (182 words) - 18:32, 29 May 2020
• Power Pad
  == Hardware interface ==
  4 KB (532 words) - 01:37, 16 May 2023
• Input devices
  == Hardware == == Usage of port pins by hardware type ==
  17 KB (2,272 words) - 07:11, 20 January 2024
• MMC6
  == Hardware ==
  4 KB (590 words) - 07:09, 13 May 2021
• INES Mapper 255
  Hardware on the board includes
  1 KB (146 words) - 00:03, 19 February 2023
• Music
  ...n a NES or on a PC with an appropriate player which emulates the NES sound hardware and CPU.
  1 KB (190 words) - 00:27, 3 October 2022
• BNROM
  == Hardware ==
  4 KB (570 words) - 08:25, 10 January 2024
• NES Classic Controller for Wii
  ...u to plug in your oldschool controllers both on the Wii and their original hardware. But unfortunately, ...e of controller connector. In America, Europe and even Japan, the Nintendo hardware used a NES 7-pin connector instead.
  8 KB (1,453 words) - 20:11, 18 December 2012
• INES Mapper 226
  ...writes. No games seem to rely on it, though. It also says that the mapper hardware is made of a 74LS74A, 74LS273, [[74139|74LS139]], [[7402|74LS02]], and [[74
  2 KB (175 words) - 01:32, 13 July 2017
• APU Mixer
  The NES hardware follows the DACs with a [//archive.nesdev.org/NESAudio.gif surprisingly inv The Famicom hardware instead ONLY specifies a first-order high-pass filter at 37 Hz, followed by
  4 KB (495 words) - 18:54, 13 December 2021
• INES Mapper 014
  ...ehaviors contradict other emulators and have not been verified on original hardware.
  1 KB (170 words) - 09:53, 18 June 2022
• NESdev IRC channel
  ...y to [irc://irc.efnet.org/nesdev #nesdev] for assistance with your code or hardware related inquiries or interests. ; Code or hardware related questions are better suited for most operators
  5 KB (822 words) - 04:19, 21 March 2020
• Controller port pinout
  ==Hardware design==
  6 KB (744 words) - 20:03, 1 March 2020
• INES Mapper 168
  ...$0000-$0FFF: 4 KiB CHR RAM bank, fixed to the first bank, but see notes in Hardware. == Hardware ==
  5 KB (863 words) - 17:15, 19 October 2020
• INES Mapper 246
  The present hardware seems to be:
  2 KB (197 words) - 12:12, 2 April 2018
• NES 2.0 Mapper 297
  ...0-000 board, used for the multicart ''2-in-1 Uzi Lightgun'' (MGC-002). Its hardware can function as an [[MMC1]] or as [[INES Mapper 070]].
  928 bytes (127 words) - 14:58, 18 February 2018
• INES Mapper 184
  The most significant bit of H is always set in hardware. (i.e. its range is 4 to 7)
  1 KB (184 words) - 21:27, 27 May 2020
• Visual6502wiki/6502 BRK and B bit
  * hardware interrupts IRQ & NMI will push the B flag as being 0. * recording a pending hardware interrupt (using a control signal called D1x1)
  6 KB (1,000 words) - 01:25, 11 February 2022
• Before the basics
  *(optional) Bank switching hardware for the ROMs ...ssential as it allows you to gain experience to the memory mappings of the hardware and management of the same.
  7 KB (1,036 words) - 11:11, 13 December 2023
• Visual6502wiki/6502 - simulating in real time on an FPGA
  ...to run at real time, especially if it's possible to interact with original hardware. === Simulating in hardware ===
  6 KB (965 words) - 07:55, 10 February 2022
• NES 2.0 Mapper 256
  On physical hardware, bankswitching by the VTxx console itself can only be used if the cartridge ...ister address mangling]]. These images cannot be run unchanged on physical hardware, and were intended to be run by Waixing's proprietary VTxx emulator found o
  3 KB (479 words) - 22:24, 16 December 2022
• INES Mapper 072
  == Hardware ==
  5 KB (735 words) - 03:36, 31 May 2020
• Emulators
  ...hub.com/Feuerwerk/fpgaNES fpgaNES] || Feuerwerk42 || VHDL, Verilog / FPGA (hardware) || [http://forums.nesdev.org/viewtopic.php?f=3&t=13966&p=166338 Announceme | [https://github.com/zf3/nes260 NES260] || fenzo || Verilog / FPGA (hardware) || [https://forums.nesdev.org/viewtopic.php?t=24041 Announcement] for Xili
  16 KB (2,156 words) - 05:00, 4 May 2024
• UxROM
  == Hardware ==
  5 KB (732 words) - 00:17, 18 March 2023
• INES Mapper 056
  The original hardware dummies out the upper three bits, but they could have been connected. The original hardware dummies out the top bit, but it could have been connected.
  3 KB (525 words) - 20:21, 2 October 2019
• INES Mapper 096
  == Hardware ==
  5 KB (760 words) - 16:39, 24 April 2020
• NES 2.0 Mapper 334
  The "hardware test" menu (seen when pressing SELECT+A+B during the menu) expects the jump
  1 KB (147 words) - 06:50, 26 May 2020
• INES Mapper 091
  ...Y. Company's hacked versions as well, but was not adjusted for the simpler hardware and thus will fail some tests.
  3 KB (428 words) - 19:33, 24 April 2019
• Demo Vision
  There are 6 DIP switches. They are software-readable and have no other hardware function. They read as 0 in the off/up position and 1 in the on/down positi ...arates it into bitplanes, and copies it into CHR-RAM, but in the finalized hardware, all of this is automated, there are two screen buffers, and the Game Boy s
  8 KB (1,287 words) - 23:41, 24 December 2022
• NES 2.0 Mapper 309
  ...has broken sound [https://www.youtube.com/watch?v=Rgt9cWk0yh0 even on real hardware]. Other conversions of the game that run under [[INES Mapper 042]] do not s
  1 KB (204 words) - 09:36, 25 April 2018
• CPU memory map
  ...memory can only be placed where it does not interfere with other readable hardware, which would produce a [[bus conflict]]. While cartridges can map readable ...to anything normally returns [[Open bus behavior|open bus]]. The cartridge hardware may affect open bus behavior across the entire CPU address space, such as b
  4 KB (590 words) - 15:05, 19 March 2024
• INES Mapper 050
  ...ely. Both FCEUX and Nestopia disable the counter when it fires. The actual hardware is more likely a 13-bit counter with its MSB inverted into the Famicom's /I
  2 KB (226 words) - 22:13, 26 August 2019
• Coconuts Japan Pachinko Controller
  == Hardware ==
  6 KB (987 words) - 01:46, 19 February 2023
• Programming NROM
  All address decoding and chip enable handling are handled by the NES hardware; the only integrated circuits on the board are the PRG ROM, CHR ROM, and (i
  2 KB (241 words) - 04:44, 11 September 2014
• INES Mapper 068
  == Hardware ==
  5 KB (846 words) - 16:57, 7 December 2021
• SNES controller
  ....de/fullsnes.htm#snescontrollershardwareidcodes FullSNES:] SNES Controller Hardware ID Codes</ref> such as a [[mouse]] or a Virtual Boy controller.
  2 KB (266 words) - 05:26, 18 January 2024
• Miracle Piano
  ...e_MiraclePiano.html] (has some description of features and a review of the hardware).
  2 KB (284 words) - 00:45, 12 April 2020
• CNROM
  == Hardware ==
  6 KB (991 words) - 01:05, 2 November 2023
• INES Mapper 106
  * FCEUX implementation is not 100% accurate with hardware. Here are differences: ...e (where interrupt comes too early). Improving mapper in the way that real hardware works makes the game work in NTSC/PAL mode, but the game in PAL is almost u
  4 KB (637 words) - 16:38, 7 September 2017
• Zapper
  There are three hardware variants: ...om's controller ports are normally not connected, but there is a published hardware modification to use an NES Zapper.
  6 KB (1,045 words) - 17:33, 17 January 2024
• INES Mapper 163
  ...B CHR-RAM switching, causing a glitched cursor on the title screen on real hardware.
  4 KB (572 words) - 20:26, 17 May 2021
• Visual6502wiki/MOS 6502
  ...com/pmonta/FPGA-netlist-tools FPGA project] to implement the simulation in hardware. We have (as yet) unpublished simulators in python and C.
  3 KB (353 words) - 07:55, 10 February 2022
• MMC2
  == Hardware ==
  7 KB (1,013 words) - 05:10, 18 August 2023
• Standard controller
  == Hardware ==
  8 KB (1,214 words) - 02:08, 5 May 2024
• NES 2.0 Mapper 513
  ...iB. FCEUX emulates outer PRG ROM bank 3 being identical to bank 2. On real hardware, selecting bank 3 would activate two memory chips at the same time, which m
  2 KB (294 words) - 20:28, 31 May 2018
• Action 53 mapper
  ...or has used writes to $4444 for debugging purposes, without any associated hardware functionality related to this mapper.</ref> ...RG ROM A20-A14 as described above. These may be used to verify emulator or hardware implementations.
  11 KB (1,646 words) - 01:01, 21 September 2023
• INES Mapper 156
  ...written on General's Son?; once written, changes to V/H, or difference in hardware?)
  2 KB (295 words) - 20:54, 31 March 2023
• NES 2.0 Mapper 286
  ...6 is used for Benshieng multicarts. Its UNIF mapper is '''BMC-BS-5'''. The hardware latches the address rather than the data bus bits.
  2 KB (242 words) - 12:13, 10 February 2018
• Family Computer Disk System
  == Hardware == ...RAM chips and an ASIC with DRAM controller, IRQ hardware, sound generation hardware, serial interface for the disk drive, and parallel port. The Disk Drive has
  10 KB (1,569 words) - 07:51, 20 April 2024
• 1993 Super 50 in 1 Game
  == Hardware ==
  8 KB (1,144 words) - 19:05, 26 March 2023
• INES Mapper 063
  ...''82-in-1'' multicart (Submapper 1). The address-latch-based bankswitching hardware supports only NROM-128 and NROM-256 games. CHR data is stored in 8 KiB of u
  2 KB (246 words) - 13:26, 10 February 2022
• Errata
  This page describes aspects of the NES hardware that may be considered an error in the implementation ('''errata'''), or ju ...gram compatibility]] problems, especially for homebrew games not tested on hardware.
  12 KB (1,956 words) - 05:16, 29 March 2023
• INES Mapper 033
  ...ub.com/mamedev/mame/blob/master/src/mame/taito/taito_f2.cpp#L57 Taito's F2 hardware].
  3 KB (339 words) - 07:56, 24 February 2024
• Nestech.txt errata
  ...; some isn't. This document explains how the public's understanding of NES hardware changed between the publication of version 2.00 of nestech.txt and the wiki == Memory Mapping Hardware ==
  9 KB (1,383 words) - 12:22, 15 July 2019
• INES Mapper 174
  (probably) no hardware in the NTDec famiclone that responds at those addresses.
  2 KB (358 words) - 01:32, 13 July 2017
• Accuracy
  In many cases, an emulator is more forgiving than the hardware, especially in when a program is allowed to write to a register.
  3 KB (427 words) - 15:27, 8 June 2019
• INES Mapper 142
  * [[iNES Mapper 056]] augments this ASIC with some additional hardware
  2 KB (310 words) - 20:19, 2 October 2019
• VRC2 and VRC4
  ...of this, but some unlicensed games, assigned to other mappers, added extra hardware behind this address. ...n '''351948''' ([[iNES Mapper 025|25]]) it's connected to ground but extra hardware keeps the VRC2 from seeing reads from $6000 so as to not conflict with PRG
  11 KB (1,714 words) - 07:56, 23 December 2021
• Controller reading
  ...the controller can cause problems because of a [[Errata#APU DMC|bug in its hardware implementation]]. ...opia do not accurately emulate OAM-synchronized controller reading.</ref>. Hardware testing is recommended.
  7 KB (1,103 words) - 17:52, 24 January 2023
• GTROM
  ...is replaced with the word "cheap" to indicate the intended low cost of the hardware. The GTROM moniker, meaning "Goat ROM," is derived directly from this as Ch == Hardware Teardown ==
  12 KB (1,973 words) - 14:22, 20 January 2024
• Sunsoft 5B audio
  ...identical to the FME-7 except it contains extra audio hardware. This audio hardware was only used in one game, ''Gimmick!'' Because this game did not use many The audio hardware is a type of Yamaha YM2149F, which is itself a variant of the General Instr
  10 KB (1,458 words) - 18:21, 2 June 2021
• PPU nametables
  ...IRAM, stored in a separate SRAM chip), enough for two physical nametables; hardware on the cartridge controls address bit 10 of CIRAM to map one nametable on t
  3 KB (401 words) - 22:49, 2 March 2024
• CPU Test Mode
  ...ectively being ANDed together with the internal signal from the 2A03's DMA hardware.
  3 KB (436 words) - 03:10, 15 October 2023
• NES cartridge dimensions
  [[Category:Hardware]]
  3 KB (378 words) - 16:44, 11 February 2023
• Arkanoid controller
  == Hardware ==
  10 KB (1,626 words) - 13:33, 15 January 2024
• NSF2
  Hardware player implementations may reserve the need to still execute brief NMI inte with potential hardware players that might not be able to provide all features:
  10 KB (1,728 words) - 00:14, 13 February 2023
• PPU sprite evaluation
  #***''The m increment is a hardware bug - if only n was incremented, the overflow flag would be set whenever mo ...ess of starting sprite evaluation triggers an [[Errata#OAM_and_Sprites|OAM hardware refresh bug]] that causes the 8 bytes beginning at OAMADDR & $F8 to be copi
  8 KB (1,304 words) - 01:50, 2 May 2023
• NES 2.0 Mapper 269
  ...ay console's square wave duty cycles are not reversed] however, the actual hardware cannot be VTxx.
  3 KB (407 words) - 06:36, 26 May 2020
• Game Genie
  ...e cycle. As a result, the second write will be seen and interpreted by the hardware inside slave game cartridge. Because of how the hardware is designed, there are some bugs or limitations of this device:
  6 KB (1,051 words) - 15:08, 5 April 2024
• Action 53 mapper/Reference implementations
  ...mapper]] ([[iNES Mapper 028|mapper 28]]) may be used to verify emulator or hardware implementations of this mapper.
  3 KB (541 words) - 04:29, 16 March 2018
• Sprite overflow games
  ...isplay the excess sprites. This is not a masking effect, it is merely the hardware covering up a mistake that wasn't caught by the original programmers.
  3 KB (470 words) - 03:27, 10 April 2020
• VTxx
  * Hardware multiplier and divider. * Hardware multiplier and divider.
  6 KB (923 words) - 20:34, 9 March 2022
• Commissioning
  ...engine's limits, even if they don't break the [[Limitations|limits of the hardware on which the game runs]], the changes may not necessarily be "real quick" t
  3 KB (588 words) - 19:48, 27 March 2021
• NSF
  ...hardware, then runs it to make music. An NSF can be played on NES/Famicom hardware or in an emulator (NSF player or NES emulator). ...d some players will treat an FDS bank switch operation as a copy into RAM. Hardware players are more likely to use bankswitched RAM.
  22 KB (3,623 words) - 06:18, 22 June 2023
• INES Mapper 235
  The mapper hardware itself is very simple, only 4 TTL chips. This particular
  3 KB (483 words) - 03:52, 1 November 2017
• Myths
  This page documents some '''myths''' about the NES hardware that originate in obsolete documents and emulators. ...to be $00. Since then, public knowledge of the [[errata|quirks of the NES hardware behavior]] has grown, and emulators such as Mesen and Nintendulator more fa
  9 KB (1,484 words) - 17:58, 25 February 2024
• Taito X1-017
  ...the ASIC mean that there is no functional open bus in games that use this hardware: all reads from locations that would be open bus read back as 0, including ...nected to any ASIC pin, and therefore that translation cannot work on real hardware regardless of how the ASIC is connected to ROM.
  6 KB (932 words) - 08:09, 4 February 2020
• J.Y. Company ASIC
  ...always enabled regardless of register content. No such PCB exists in real hardware; the mapper was defined when the function of register $D001 bit 3 was not k ==Hardware Multiplier ($5800-$5801, read/write)==
  17 KB (2,454 words) - 20:44, 5 January 2023
• NES 2.0 Mapper 266
  ...ry other cycle, causing speech to be played at too low a pitch compared to hardware.
  2 KB (407 words) - 21:06, 1 June 2021
• NES 2.0 Mapper 371
  When the second PRG-ROM chip is selected ''and'' PRG A18=0, the cartridge hardware will forcibly reset on attempts to read from CPU $D100-$D1FF. As the first
  3 KB (411 words) - 18:50, 7 June 2019
• NES 2.0
  ...ingle file cart format to better describe NES/Famicom-compatible cartridge hardware. Some of its purpose include: ++++------ Vs. Hardware Type
  24 KB (3,455 words) - 08:31, 23 March 2024
• INES Mapper 003
  ...initialized RAM, which can be responsible for behavior differences between hardware and emulator.
  3 KB (493 words) - 00:28, 22 September 2023
• Open bus behavior
  ...ue that results from a read in such a region is undefined, but on specific hardware predictable results may appear. Clone versions of the hardware, and flash cartridges like the [[PowerPak]] or [[Everdrive]] may differ in
  8 KB (1,263 words) - 20:32, 31 December 2022
• INES Mapper 147
  * Despite the hardware differences between the 60- and 72-pin versions of the game, both a more co
  3 KB (480 words) - 17:18, 10 December 2018
• NES 2.0 Mapper 268
  | ||++--- Functionality unclear without extra hardware on PCB | ++----- Functionality unclear without extra hardware on PCB (CHR)
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• Everdrive N8
  == Hardware ==
  12 KB (1,354 words) - 05:36, 13 November 2023
• Cartridge and mappers' history
  ..., switching between two 8 KiB banks. This is the first Famicom game to use hardware other than ROMs (not counting ''Family BASIC''). Mappers were born. ...is used in ''Mike Tyson's Punch-out!!''. It's the first mapper to support hardware trickery to bypass the 256-tile background limitation.
  8 KB (1,212 words) - 19:10, 13 January 2023
• Nesdev
  * [http://nesdev.org/apu_ref.txt NES APU Sound Hardware Reference] 2004.1.30 by Blargg ...ystem Loader] by Brad Taylor. This is the software and documentation for a hardware project to emulate the FDS's disk drive using a PC disk drive via parallel
  35 KB (5,450 words) - 14:06, 26 June 2020
• VRC7
  ...$x030), in the former board the ceramic resonator necessary for the sound hardware to work is missing.
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• NES 2.0 Mapper 365
  * The Korean version uses different hardware and adds a speech chip, which are described by [[NES 2.0 Mapper 531]].
  3 KB (506 words) - 10:52, 5 January 2019
• Turbo File
  [[Category:Hardware]]
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• Glossary
  :The hardware on the NES/Famicom that generates audio output. ...these. Collision detection is done by the software since the Famicom/NES hardware has no collision detection circuitry.
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• 1992 Contra 120 in 1
  == Hardware ==
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• Random number generator
  ...egister] is commonly used as a PRNG on systems like the 6502 which have no hardware multiply capabilities. This rotates a series of bits (the ''shift register'
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• INES Mapper 178
  ...it cannot be ruled out that these games use an alternative version of the hardware, the more likely explanation is that these are simply bad dumps (notwithsta
  4 KB (564 words) - 12:39, 5 April 2020
• INES
  ...oards are divided into classes called "[[mapper]]s" based on similar board hardware and behavior, and each mapper has an 8-bit number (or 12-bit in [[NES 2.0]] ...y Marat Fayzullin when the scene discovered the diversity of NES cartridge hardware. Mapper high nibble is supported in emulators since roughly 2000.
  10 KB (1,495 words) - 09:42, 1 February 2024
• MMC1
  == Hardware == ...G RAM to be writable or readable. This bit is more "reliable" on authentic hardware as it is implemented even in older boards with older MMC1's, while the <cod
  19 KB (3,075 words) - 17:21, 8 April 2024
• Visual6502wiki/6502 traces of 6501
  * [http://users.telenet.be/kim1-6502/6502/hwman.html#121 KIM-1 Hardware Manual] showing pinouts of 6800 and 6501 (on erik.vdbroeck's site)
  5 KB (848 words) - 05:28, 10 February 2022
• Hardware pinout
  This section mostly group all the possible [[:Category:Pinouts|hardware pinout]] into one single page.
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• Controller reading code
  ...it will read as 0, so this solution works safely with both Famicom and NES hardware. ...oss most emulators can make it hard to know if the code works correctly on hardware.
  19 KB (2,972 words) - 15:54, 15 March 2024
• Mirroring
  ...takes a lot more pins on a chip, incomplete decoding is used to reduce the hardware required; if the mirror occupies otherwise unused address space, it poses n ...the screen is immediately show on the left due to mirroring. Clever use of hardware left-side screen clipping will hide all name table glitches, but because th
  14 KB (2,276 words) - 19:17, 28 June 2022
• NMI
  ...ans that the NMI won't fire, and that the program will be unaware that the hardware is in VBLANK.
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• Limitations
  Some of the limitations of NES hardware and common mapper hardware severely limit the system's capability to perform well in some genres. This could be part of why these genres took off after 1991 when more powerful hardware became more readily available.
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• RAM cartridge
  ...ar to the ''Bung Game Master'' in using an FPGA to mimic almost any mapper hardware, but load games and fusemaps from solid state flash cards exclusively. For
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• Four player adapters
  =Hardware= ...=22&threadid=65237 NintendoAge forum thread]: Photos of Four Score PCB and hardware discussion.
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• CPU pinout
  ...s pulled high on the RP2A03G, extra diagnostic registers to test the sound hardware are enabled from $4018 through $401A, and the joystick ports $4016 and $401
  4 KB (597 words) - 22:26, 28 April 2022
• Visual6502wiki/6502 Interrupt Hijacking
  ...when a reset button is quickly struck and released, and resets invoked by hardware when power is first applied may last for 0.1 to 0.3 seconds. Devices invoki ...unding system's NMI line comes up quickly or not, and the latter is normal hardware behavior. That demands protection. Without it, half-hijacks would inevitabl
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• Cartridge connector
  ...the NES/Famicom, so it can be left floating if interrupts aren't used. NES hardware can safely pull the pin high or low, but [[PlayChoice-10]] modules must tre * '''Audio from 2A03''' : Audio output from the 2A03's sound generation hardware, already amplified. Only exists with 60-pins connectors.
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• DMA
  It is not known whether 2A07 CPUs are affected by these bugs. Some clone hardware is known to be affected, and behavior on affected clones may differ from of ...imes used to synchronize code to avoid conflicts with DMC DMA when reading hardware registers, but because DMC DMA takes an odd number of cycles if it lands at
  29 KB (4,633 words) - 01:26, 17 March 2024
• APU DMC
  ...mple byte read from the current address, subject to whatever [[MMC|mapping hardware]] is present. The NES hardware only has limited tools for syncing the code with video rendering. The VBlan
  18 KB (2,658 words) - 16:22, 21 March 2024
• INES Mapper 176
  ...multicarts write value $44 rather than $00 to disable Extended MMC3 Mode. Hardware tests do not indicate any difference in behavior between writing $00 and $4 Mask: $E003 (verified on real hardware)
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• Programming UNROM
  ...from the convenient banks numbered 0 through 6 to the value needed by the hardware
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• Famicom cartridge dimensions
  [[Category:Hardware]]
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• Namcot 108 family pinout
  External hardware further modifies the exact memory map.
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• Tricky-to-emulate games
  ...n to cause all sprites to flicker erratically. Even with a correctly timed hardware implementation, there are still some subtle corruption interactions to do w ...=284036#p284036 forum post:] discussion of Wario's Woods behaviour on real hardware</ref>.
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• Battery holder
  ...n old circuit boards or buying a demo board from Radio Shack or some other hardware store. ...you lose one of the screws then buy enough #2-56 x ¼” screws at your local hardware store for your needs and screw those in their place. These are large enough
  15 KB (2,684 words) - 17:29, 24 January 2023
• List of games with expansion audio
  * [http://forums.nesdev.org/viewtopic.php?f=6&t=8639 Famicom expansion hardware recordings] (NESDev forums)
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• MMC3
  == Hardware == ...ardwired H/V mirroring instead of MMC3 controlled mirroring, and allow the hardware to disable IRQs.
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• NES 2.0 Mapper 547
  ...While the actual conversion table, and presumably operations, used by the hardware are replicated by FCEUX according to source code comments, the following de
  12 KB (1,803 words) - 22:07, 21 August 2021
• Visual6502wiki/6502 Timing States
  ...here after being incremented by one. The second-to-last time code in each hardware manual listing corresponds to the T0-containing states here, and the last c ...org/books/mcs6500_family_hardware_manual.pdf "MCS6500 Microcomputer Family Hardware Manual"]
  31 KB (4,908 words) - 01:03, 18 March 2022
• Multicart
  ...he multicart menu's code. These two bank numbers will then occupy separate hardware registers, with the inner bank typically occupying the same address range (
  6 KB (1,031 words) - 00:15, 18 March 2023
• Game bugs
  ...icom hardware and verified to look wrong or odd. This can be caused by NES hardware limitations, programming errors, or even intentional effects within the gam ...slips into a game to make it rely on less-than-intentional features of the hardware; for those, see [[Tricky-to-emulate games]].
  22 KB (3,571 words) - 03:52, 29 April 2024
• UNIF
  ...erminated UTF-8 || A unique human-readable identifier specifying the exact hardware used; '''not''' an iNES mapper number, and '''not''' a full text descriptio
  7 KB (1,027 words) - 22:49, 28 January 2023
• APU basics
  In particular, it disables hardware [[APU Sweep|sweep]], [[APU Envelope|envelope]], and [[APU Length Counter|le
  6 KB (881 words) - 22:38, 23 August 2016
• Stack
  The 6502 has hardware support for a stack implemented using a 256-byte array whose location is ha
  8 KB (1,345 words) - 20:53, 4 August 2020
• Visual6502wiki/6502 State Machine
  The timing diagram for branches in the MOS hardware manual
  9 KB (1,545 words) - 05:44, 10 February 2022
• Forbidden Four
  ...with Virtual Console games from Wii Shop Channel. ''Pocket Camp'' runs on hardware whose input device differs too much from that of the NES.
  6 KB (1,053 words) - 00:54, 14 February 2023
• Enhancement
  Some of these can be realized in hardware; others cannot.
  6 KB (1,025 words) - 00:48, 18 March 2023
• MMC5
  ==== 16-bit Hardware Timer with IRQ (MMC5A: $5209 read/write, $520A write) ==== +--------- Hardware Timer IRQ Flag
  46 KB (6,989 words) - 14:48, 2 April 2024
• APU
  ...sual 2A03] project can be used to determine detailed information about the hardware implementation.
  19 KB (2,995 words) - 12:45, 10 June 2023
• Nestech.txt
  It provides a brief overview of the NES hardware and may prove easier to understand, particularly for programmers new to the === Hardware ===
  60 KB (6,819 words) - 15:46, 16 November 2021
• Programming guide
  ...(1997). ''Microcontrollers and Microcomputers: Principles of Software and Hardware Engineering''. New York: Oxford University Press. ISBN 0-19-511008-0.
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• NES 2.0 Mapper 342
  ...to native registers, it can simulate about 25 commercial-era mappers on a hardware level. It can address up to 128 MiB of PRG-ROM, 512 KiB of CHR-RAM, and 32
  20 KB (984 words) - 10:40, 8 May 2023
• FDS disk format
  ...Disk System]] uses disks that are a modified version of Mitsumi Quick Disk hardware, with a custom data format stored on the disk.
  9 KB (1,411 words) - 00:48, 16 November 2023
• Mapper
  ...various circuits and hardware. Different games use different circuits and hardware, and the configuration and capabilities of such cartridges is commonly call ...erm "mapper" arises from the concept of memory mapping: translating memory hardware into the [[CPU memory map|CPU's]] and [[PPU memory map|PPU's address spaces
  54 KB (7,361 words) - 01:54, 18 January 2023
• PRG RAM circuit
  This is not a problem for the original cartridge hardware because the RAM chips used to require a /WE (Write Enable) pulse of at leas
  9 KB (1,345 words) - 23:08, 5 June 2023
• Serial Bootloader
  ...fore the block, send at least one $FF byte just before program block data. Hardware wiring is covered in [[Serial Cable Specification]].
  11 KB (1,804 words) - 07:18, 31 January 2014
• FamicomBox
  ...cantly from standard consoles. It adds 14 KiB of extra CPU RAM and various hardware registers controlling features such as a reset-based exception system. Howe ===Hardware settings===
  52 KB (7,716 words) - 21:52, 27 March 2024
• Nesdev Wiki
  ...on Discord for on-topic discussion about NES programming, audio, graphics, hardware, research, and emulator development.'''</div>
  11 KB (1,834 words) - 23:38, 13 January 2023
• Text compression
  Decompressing with a software stack, rather than the hardware stack, would permit a scheme where a subroutine is repeatedly called to dec
  10 KB (1,520 words) - 16:50, 17 June 2020
• PPU OAM
  ...compatibility problems as a result. Software developers targeting the NES hardware should be careful not to rely on this.
  10 KB (1,673 words) - 03:22, 22 December 2023
• Implementing Mappers In Hardware
  * how console works and how to interact with CPU and PPU on hardware level, ...ic also need notice this, for example, when inverting the WRAMCE of [[MMC1#Hardware|AX5904]], 74LS04 works, 74LVC1G04 not.
  24 KB (3,566 words) - 19:35, 13 February 2023
• Vs. System
  The hardware used by games released during the Vs. System's commercial life is equivalen
  11 KB (1,738 words) - 10:28, 28 August 2022
• Overscan
  The NES PPU hardware performs the padding first, adding 24 pixels of border to form a 280x240 pi
  10 KB (1,656 words) - 18:38, 7 January 2024
• UNROM 512
  ...lacks the sector erase and chip erase capabilities, due to the underlying hardware being RAM at the time of write. As long as the game writes every byte it in
  11 KB (1,573 words) - 23:50, 12 November 2023
• PPU registers
  || hardware bug causes the actual behavior to be more complicated ...nd later Famicoms.<ref>[//forums.nesdev.org/viewtopic.php?p=150926#p150926 hardware revisions and $2004 reads] reply by Great Hierophant</ref>
  29 KB (4,660 words) - 13:56, 13 December 2023
• CHR ROM vs. CHR RAM
  ...-ported VRAM (TurboGrafx-16, Game Boy Advance) and in platforms which have hardware-assisted memory copying to video ports other than OAM (Genesis, Super NES,
  12 KB (2,159 words) - 00:44, 18 March 2023
• NES 2.0 submappers
  ...forums.nesdev.org/viewtopic.php?t=13473 VRC2 mirroring selection tested on hardware</ref> ...creates an ugly combination that does not accurately describe the original hardware of either board.
  25 KB (3,667 words) - 08:37, 26 February 2023
• Emulator tests
  ...ss] || Flubba || Old test - some of the tests are supposed to fail on real hardware. ||
  24 KB (3,604 words) - 17:59, 17 March 2023
• List of NES music composers
  ...confused with the Wisdom Tree game of the same title. Uses external sound hardware. ...and Naohisa Morota || Gimmick! (J) || 1992 Sunsoft || uses external sound hardware (FME-7)
  23 KB (2,955 words) - 02:33, 12 April 2022
• Visual6502wiki/6502 Interrupt Recognition Stages and Tolerances
  ...at least a few tenths of seconds, as do power on invocations by dedicated hardware.
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• Tools
  ...s) - sprite optimisation tool. Takes an image and finds resource effective hardware tiles for sprite usage. Can import/export to NESST .msb formats. [http://re
  15 KB (2,239 words) - 21:49, 26 December 2023
• Consistent frame synchronization
  ...at's the best we can do, regardless of how we write our code, as this is a hardware limitation.
  28 KB (3,517 words) - 15:35, 24 March 2024
• 1992 劃面選關 1050-in-1
  == Hardware == -- hardware: A0-A2, D0-D2, D7 all go to PAL, which then generates A13-A16
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• Projects
  ...ators of their time, and may not run correctly on modern emulators or real hardware.
  28 KB (4,032 words) - 18:33, 19 March 2023
• Visual circuit tutorial
  ...nformation, see [http://users.telenet.be/kim1-6502/6502/hwman.html the MOS hardware manual].
  38 KB (6,194 words) - 16:03, 6 March 2024
• Famicom Network System
  ...ed through the RF5C66 chip before making it to the card and other internal hardware. It effectively blocks the Famicom Network System from driving the data bu ...h the RF5C66 chip before making it to the tsuushin card and other internal hardware, with the exception of the Kanji graphics ROM and the RF5C66's own register
  138 KB (18,185 words) - 23:45, 30 April 2024