| An Introduction to Understanding/Hacking 8 Bit Graphics | Prez | A guide to working with graphics using only a hex editor. | Graphics Hacking | Multiple | N/A | 1.0 | Int |
| An Introductory Guide to Hacking Nintendo World Cup | Dacicus | This PDF document presents offsets and descriptions for much of the data needed to hack Nintendo World Cup, including team statistics, graphics, palettes, and passwords. It also contains information about RAM addresses that may be useful to hackers, …. | Game Specific | NES | Nintendo World Cup | 1.00 | Beg |
| Anomie's S-DSP Doc | Anomie | Extremely in depth technical information on the S-DSP sound hardware on the SNES and how sound is generated. Mostly for experts only, but it can be used as an intermediate-level reference to the S-DSP registers. | Hardware Info. | SNES | N/A | 2008-12-21 | Adv |
| Anomie's SNES Memory Mapping Doc | Anomie | This is a document intended to describe the SNES memory map. It will NOT include information on the MAD-1 or any other address decoder. | Hardware Info. | SNES | N/A | 2008-12-21 | Int |
| Anomie's SNES Timing Doc | Anomie | This is a document intended to describe various aspects of SNES timing. It will probably not be useful unless you already know a good bit about the SNES. | Hardware Info. | SNES | N/A | 2008-12-21 | Adv |
| Anomie's SPC700 Doc | Anomie | In depth information on the SPC700 including a diassembly of the Boot ROM. | Hardware Info. | SNES | N/A | 2009-07-19 | Int |
| Anomie’s C4 Chip Doc | Anomie | In depth information on the SNES C4 cartridge add-on chip and it’s registers. | Hardware Info. | SNES | N/A | 2007-07-12 | Adv |
| Anomie’s Register Doc | Anomie | A nice in depth look at all the SNES hardware registers. This is must have reference material for anybody doing any assembly hacking or homebrew coding for the SNES. This document is the most recent and up to date we have on the SNES registers (as of…. | Hardware Info. | SNES | N/A | 2007-07-12 | Int |
| Anomie’s SNES OpenBus and Wrapping Doc | Anomie | Explains OpenBus effect on the SNES hardware, and the behavior of S-CPU accesses that cross page/bank boundaries. For experts only. | Hardware Info. | SNES | N/A | 2007-04-21 | Adv |
| Anomie’s SNES Port Doc | Anomie | This is a document intended to describe the various hardware ports on the SNES. It will not describe how these ports are used by what may be plugged into them. | Hardware Info. | SNES | N/A | 2007-04-27 | Int |
| Anomie's SPC700 Cycle Doc | Anomie | Cycle information for the SPC700. Probably not too useful for ROMhacking, but is for emulator authors. | Hardware Info. | SNES | N/A | 2007-04-21 | Adv |
| AnusP's Advanced Hacking Tutorial | AnusP | One of the first documents to give detailed information on NES and SNES pointers. Still a very valuable resource. | Pointer Hacking | Multiple | N/A | 1.2 | Int |
| Apply FireFlower | D | PHP routine to apply a FireFlower Patch. Also supports applying Microsoft File Compare output as a patch. | Source Code | Multiple | N/A | 2 | Beg |
| Archive formats in Gyakuten Kenji 2 | henke37 | This text describes the two custom archive file formats
that are used by the game “Gyakuten Kenji 2″ by Capcom. | File Formats | NDS | Gyakuten Kenji 2 | 1.0 | Int |
| ASM Hacking for Dummies | D | An introduction to assembly language hacking. Pointers, title screen replacement, expansion, and the like are covered. | Assembly | SNES | N/A | 1.0 | Int |
| ASM Tutorial | Jay | A tutorial written for novices. Includes the basics of assembly language using the 65816 as an example. | Assembly | SNES | N/A | 1.0 | Int |
| Asteroids Disassembly | Thomas Jentzsch | Compile with DASM using vcs.h. | Source Code | 2600 | Asteroids | 0.5 | Adv |
| Atari 2600 Memory Map | Kroko | A memory map of the Atari 2600. As you may notice, the memory of the Atari 2600 is very limited. | Assembly | 2600 | N/A | 1.0 | Int |
| Atari 2600 Music And Sound Programming Guide | Paul Slocum | It is difficult to do music on the Atari 2600 due to the limited pitch and two voices, but I’ve discovered some tricks to produce some pretty good music. This document covers most of what I know. | Miscellaneous | 2600 | N/A | 1.0 | Adv |
| Atari 2600 RIOT Map | Kroko | This is a memory map of the RIOT chip/device that reads all the console switches excluding power, including joysticks and controllers. It also contains the only RAM in the system and a general purpose timer. | Hardware Info. | 2600 | N/A | 1.0 | Int |
