| Notes - Dragon Warrior III | g8z et al | MMC1 PRG bankswap example. Intended for understanding mapper expansion. | Hardware Info. | NES | Dragon Warrior III | 1 | Int |
| NTSC 2C02 Technical Reference | Brad Taylor | Low level details of the NES PPU, including timing info. A must-have for emu devers.
Note: The blurb about MMC3 IRQ operation is incorrect. | Hardware Info. | NES | N/A | 5th Releas | Adv |
| Nuts & Milk Data | elbobelo | Here is a list of all the data for Nuts & Milk. From level data to sound data, he was working on a hack that was title “Donkey Kong 2″ to show off the ASM, sound and level changes, it’s at the following link…
[url]http:…. | Game Specific | NES | Nuts & Milk | 1.0 | Beg |
| Official Documentation on the SH-2 | OEM | Hitachi’s docs on the 32x’s two main processors. | Hardware Info. | 32X | N/A | 1.0 | Adv |
| Offset Document | Matrixz | Bionic Commando offset hacking notes from Matrixz. | Game Specific | NES | Bionic Commando | 4 | Beg |
| OneBus Clone Unit Source Code | OEM | OneBus or VT02/03 is a clone unit designed to play Famicom and NES games. There is a great deal of information within this package, including applications, datasheets, memory maps and register documentation about this clone unit. Extremely useful if …. | Source Code | NES | N/A | 1.0 | Adv |
| Oracle of Seasons ROM Hacking | Jigglysaint | A document on hacking Dungeon data Overworld data, Sprite and object data, Dungeon map data, Warp data, and other such things. | Game Specific | GB | The Legend of Zelda: Oracle of Seasons | 1.0 | Beg |
| Orochimaru's Perfect Guide to Hyrule Magic | Orochimaru | A very in depth guide to Sephiroth3’s Zelda 3 editor, Hyrule Magic. A bit dated at this point, but still extremely valuable for anyone wanting to learn how to get full use out of Hyrule Magic. It also includes a lot of extra tutorials and info any …. | Game Specific | SNES | The Legend of Zelda: A Link to the Past | 2 | Beg |
| Otaku No PC Engine Cribsheet | Tomaitheous | Page 1 and 2 of the Otaku No PC Engine Cribsheet. A printable cheat sheet for statistical cpu and system information of the PC-Engine / TurboGrafx-16 system. (Better have a good printer and quality paper) | Assembly | TG16 | N/A | 1.0.3 | Adv |
| Outlaw Disassembly | Manuel Polik | Disassembly for the Atari 2600 game, Outlaw. Compiles with DASM. | Source Code | 2600 | Outlaw | 1.0 | Adv |
| Overlord Music Source Code | Jeroen Tel | This music code for the game Overlord was donated by Jeroen Tel, the musician and audio programmer for the game. This code has some proprietary macros but shouldn’t be too difficult to convert to modern public domain assemblers. The assembler wa…. | Source Code | NES | Overlord | 1.0 | Adv |
| PAC File format | henke37 | PAC files are simple archive files used by Capcom. In fact, they are so simple that there are no file names for the archived files! | File Formats | NDS | N/A | 1.0 | Int |
| Palette Modifications of an NES file using a Hex Editor | AC2k | A document detailing NES palette hacking. | Palette Hacking | NES | N/A | 1.8 | Beg |
| PC Engine Assembly docs | Tomaitheous | This bundle includes all the docs for usage of the PCE assembler (MagicKit) and info on the PCE hardware. | Assembly | TG16 | N/A | 3.21 | Int |
| PC Engine hardware info | Unknown | These 3 documents contain info on the PC Engine’s Video Color Encoder(VCE), CPU memory layout, and the Video Display Controller (VDC). | Hardware Info. | TG16 | N/A | 1.0 | Int |
| PC Engine Programmable Sound Generator | Paul Clifford | As the title suggests, this covers the PC Engine’s programmable sound generator. All(?) of the PSG’s registers are covered. | Hardware Info. | TG16 | N/A | 1.0 | Int |
| PC-Engine Video Display Controller Documentation | Emanuel Schleussinger | A relatively detailed reference of all of the PC Engine’s VDC registers and capabilities. Thus far, this is the only document that covers all of the VDC’s registers in depth. | Hardware Info. | TG16 | N/A | 0.3 | Int |
| PDS 6502 Programming Manual | OEM | PDS or Programmer Development Systems is the name of a hardware and software development kit by a company of the same name. Both the software and the hardware including a PC, PCB and custom software work together as one and won’t function withou…. | Assembly | Multiple | N/A | 1.0 | Int |
| Pharaoh Man AI | coldIced | This document explains, line-by-line, a disassembly of Pharaoh Man’s AI in Mega Man 4. It also has a list of RAM locations used by the routine. | Game Specific | NES | Mega Man IV | 1.0 | Int |
| Pitfall! Disassembly | Thomas Jentzsch | Disassembly of the game Pitfall!. Use DASM and vcs.h to compile. | Source Code | 2600 | Pitfall! | 1.0 | Adv |