Cearn Space contains detailed tutorials about GBA programming in C, covering all video modes, transformable sprites and backgrounds, timers, interrupts, BiIOS calls and more. This site also provides the source codes from the tutorials and a couple of useful programs for ROM hackers.

Useful for old and new MSX hackers. Has info about different programming languages, processors, instruction sets, and much more.

This site is basically the internet hub for Virtual Boy hacking and development.

The main goal of the site is to aggregate all known information on the Virtual Boy on one page and help in the development of new games for this nostalgic platform.

It is host to an extensive amount of Virtual Boy promotion material, unreleased contents and much, much more. It even features a market place for everything Virtual Boy.

PS2-HOME is a website which has a discussion forum in regards to PS2 Hardware and also with game modification as well.

This is probably the single largest source of Sega Saturn information I’ve ever seen in one place. Information contained here includes SDK’s, utilities, hardware manuals, technical bulletins, and tons more. If you’re interested in Saturn information, head on over there.

A culmination of SNES hardware information and SNES programming from around the web. User update-able so information won’t stagnate like TXT files and as new relevant information is discovered it can be added and updated.

A site for looking up unknown kanji. Methods of search include drawing an approximation with the mouse and the site giving you a list of possible kanji that updates with each line you draw, searching by the various parts that make up the kanji, and searching by dividing the kanji into four squares and selecting what either one or multiple squares generally resemble. (Note, please remove before posting: I’m an low level translator, and this site has been a really useful part of my translator’s toolkit for a number of years. From the posts on the translation forums here, it seemed like something people might find useful.)

A very intersting site. It seems to be a large no thrills database of links and information on Games, Translations, and Emulators. It includes translations of many languages. The database seems constantly updated, and all the links seem up to date. It’s certainly worth a visit.

Hacking and translating Japanese videogames since 2000! The site is maintained by the over all project leader, Gideon Zhi.

The original Acmlm Board split into two factions. This is one of them. It also home to archives of previous incarnations holding a beach of buried ROM hacking information in the old archives.

Now called Board2 due to ACMLM’s disassociation from this site.

Oldest - https://acmlm.cjb.net:2/boardb/ Older - https://acmlm.no-ip.org/archive2/ Old - https://acmlm.no-ip.org/archive3/

This site is a wiki for compiling information discovered about ROMs. Such information includes, RAM/ROM maps, mapper information, and various other bits of information on specific ROMs. There’s not a whole lot of information there yet, but the site is still very new. It’s worth taking a look.

An extremely comprehensive website contain a wide range of information which will be very helpful for ROM hackers. Contains the basics of ROM hacking, assembly hacking on different consoles, RAM hacking, various tools for various hacking methods, and more.

GameHacking.org is generally known for cheats, but it does have several ROM hacking related resources. One of the largest collections of video game hacking guides on the net, a treasure trove of a downloads section and Wiki, and the home of Project Artemis; an in development PS2 remote debugger.

Another community that was formed off of the split between the ACMLM forums years ago. ACMLM, himself, is active only to this incarnation of the forums. The ROM hacking is still alive here as well as people from original AB incarnations.

Metroid Construction’s main goal is to spread information and resources. Most of the stuff here is for Super Metroid, but Metroid games for other systems and fangame projects are also accepted. This site was launched on 2/19/2009 by GF_Kennon as a college project, which happened to catch on and is now over five years old.

Before it existed, a fair amount of Metroid hackers posted on Metroid2002.com’s “Hacks and fan games” board (also referred to as “m2k2″). Many of them migrated here after the administrators of m2k2 encouraged it, going so far as to pin a topic in their hacks board that ushers people this way.

This is an archive of the posts deleted from the great RHDN forum prunes of 2008 and 2009.

A website conatining a more or less complete list of downloadable patches for every romhack of Super Mario 64 ever published.

Here is a site which not only discusses MOTHER related games but also where tools & hacks of such material are shared.

This is the Wikipedia entry on ROM Hacking. It has a bit of general information about the trade as well as a few good links. However, the purpose of linking to this page is not for the content that’s currently there, but the hope that more people will know about it and some of you in the community will help make it better!

The Chinese Dictionary of choice by our community Chinese translators.

This site is pretty useful for some out-of-date or obscure Japanese terms, but the most useful definitions are in Japanese only which may be a problem for some.

English - Japanese, Japanese - English Online Dictionary

A very powerful and handy tool for people interested in translating Japanese games.

It has a neat kanji character drawing feature.

A beginner site to learning Chinese. Navigation isn’t the greatest, but the site has a lot of good starting content for anyone interested in learning Chinese.

Read The Kanji is a simple, fun, intuitive quiz designed to supplement your study of Japanese kanji reading through real life examples and sentences.

It offers a nice Web 2.0 interface that uses AJAX for fast page reloads as well as a user account system to keep track of your current stats.

You can study Kana as well as JLPT grades and mix them as you’d like. It will automatically compute which word it should ask you and asks older, known words once a while for good measure.

Monash University’s Japanese site with most of the useful links and dowloads regarding EDICT and various freeware/shareware word processors and utilities.

This site is a very large archive for just about any Atari console system ever made. They also have a very large community that also spends a lot of time developing on Atari consoles.

Any good programmer knows that debugging is just another piece of the puzzle when it comes to writing reliable code. Anyone who has done any kind of low-level assembly work can tell you just how invaluable proper debugging skills are and why it’s important to learn them as soon as possible. This article, while focusing primarily on high-level programming, the concepts presented are an integral part of any type of programming and a must have for the aspiring asm whiz-kid! This is a very THOROUGH document and is both for new and old programmers alike!

A port of BMF’s original cutting room floor page to wiki format, along with tons of new hidden content in ROMs. Debug and beta information is all documented at this wiki.

This is a real nice beginner tutorial on Pixel Art. It covers quite a few things and will help you through all the necessary steps of building your own basic tiles by the end. It also analyzes some existing popular tiles and what makes them look so good.

This is a dedicated site for anything related to Mega Man (and a minor of Castlevania).

It tackles more on archiving sprite sheets and making custom sprites. Not only that, they also involve in game development.

This will give you many links to good Pixel Art resources. You should be able to find all the information you’re looking for here.