Welcome to the NeoGeo Development Wiki
This wiki is about every technical aspects of the SNK NeoGeo hardware and software (AES, MVS, CD and CDZ).
Our aim is to provide the most detailed, accurate and up to date information for preservation, homebrew development and repairs.
Want to help ? Just register or join us on IRC ! [Freenode #neogeodev]
The wiki has 534 pages. Contributors list. Hosting provided by ElBarto.
Don't know where to start ? Try here. Can't find what you're looking for ? Try our links.
What's common to every NeoGeo system: main architecture, data formats, ...
Pages in category: 44
How graphics are handled and displayed, from bitplanes and colors to the video output.
Pages in category: 36
Everything related to music and sound effects: The Z80 subsystem, synthesized and sampled sound, CDDA playback...
Pages in category: 31
Troubleshooting dead or glitchy MVS boards, CD laser assemblies, cartridges...
Pages in category: 35
Particularities of the AES and MVS systems: ROM types, memory cards, cab I/O, data security... Also cartridge boards information.
Pages in category: 89
NeoGeo CD and CDZ specificities: Differences and limitations, new memory functions, CDDA...
Pages in category: 47
Code snippets, register definitions, guides on how to display stuff, use the system ROM, play music and sounds, read user input...
Pages in category: 58
What makes everything work (or not). Schematics, chip pinouts and functions, troubleshooting hardware issues...
Pages in category: 103
Remarquable games for some of their technical aspects: special effects, unusual hardware use, hidden features...
How to edit, guidelines, available templates, suggestions: The wiki
- See wanted pages, old pages, short pages, and Todo/Mysteries.
- Publish asm highlighter for ConTEXT
- Make subcategories, move/merge "BIOS calls"
- More schematics, chip details/pinouts
- Troubleshooting tips
- Make a downloadable offline capture every few months ?