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[[File:Logo.png|300px|right]]
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==<center>Welcome to the NeoGeo Development Wiki</center>==


<center>This wiki is about every technical aspect of the SNK NeoGeo hardware and software (AES, MVS, CD and CDZ).<br>
<center>This wiki is about every technical aspect of the SNK NeoGeo hardware and software (AES, MVS, CD and CDZ).<br>

Revision as of 16:00, 23 April 2014

File:Logo.png

Welcome to the NeoGeo Development Wiki

This wiki is about every technical aspect of the SNK NeoGeo hardware and software (AES, MVS, CD and CDZ).

Its aim is to provide the most detailed, accurate and up to date information, to help homebrew development and repairs.
The wiki has 569 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.

Want to help ? Just register or join us on IRC ! [Freenode #neogeodev]

Recent changes (minor edits hidden)

No changes during the given period match these criteria.

Categories

File:Ban base.jpg

What's common to every NeoGeo systems: main architecture, data formats, BIOS functions...

Last edits:
Z80 port map09:19, 28 January 2024
Z8008:21, 28 January 2024
68k interrupts23:50, 16 October 2023

Pages in category: 42

File:Ban video.jpg

How graphics are handled and displayed, from bitplanes and colors to the video output.

Last edits:
VRAM00:42, 15 March 2024
Eyecatcher20:41, 26 November 2023
CXA114501:13, 24 May 2020

Pages in category: 36

File:Ban audio.jpg

Everything related to music and sound effects: The Z80 subsystem, synthesized and sampled sound, CDDA playback...

Last edits:
Z80 port map09:19, 28 January 2024
NEO-ZMC09:16, 28 January 2024
Z8008:21, 28 January 2024

Pages in category: 28

File:Ban tools.jpg

Troubleshooting dead or glitchy MVS boards, CD laser assemblies, cartridges...

Last edits:
List of ROM chips23:14, 16 November 2023
MV1A PALs23:26, 5 October 2023
NEO-BUF03:37, 5 October 2023

Pages in category: 45

File:Ban cart.jpg

Particularities of the AES and MVS systems: ROM types, memory cards, cab I/O, data security... Also cartridge boards information.

Last edits:
Neo Print19:18, 21 March 2024
P ROM18:27, 11 March 2024
SNK history20:58, 13 February 2024

Pages in category: 106

File:Ban cd.jpg

NeoGeo CD and CDZ specificities: Differences and limitations, new memory functions, CDDA...

Last edits:
CD drive control06:23, 8 October 2023
Reading CDDA sound levels04:14, 26 September 2023
LC9800014:23, 24 January 2021

Pages in category: 48

File:Ban code.jpg

Code snippets, register definitions, guides on how to display stuff, use BIOS functions, play music and sounds, read user input...

Last edits:
Development tools19:34, 9 February 2024
Eyecatcher20:41, 26 November 2023
68k interrupts23:50, 16 October 2023

Pages in category: 60

File:Ban chips.jpg

What makes everything work (or not), physically. Schematics, chip pinouts and functions, troubleshooting hardware issues...

Last edits:
P ROM18:27, 11 March 2024
NEO-GRC222:51, 3 February 2024
NEO-ZMC09:16, 28 January 2024

Pages in category: 109

Remarquable games for some of their technical aspects: special effects, unusual hardware use, hidden features...

Last edits:
Super Bubble Pop03:56, 6 April 2023
Puzzle Bobble01:55, 6 April 2023
Neo 204818:17, 11 March 2023
Pages in category: 241

How to edit, guidelines, available templates, suggestions: The wiki

Todo

  • 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 ?