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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.
What's common to every NeoGeo system: main architecture, data formats...
| 68k interrupts | 08:58, 11 October 2018 |
| Memory mapped registers | 02:15, 6 October 2018 |
| Z80 | 05:45, 21 September 2018 |
How graphics are handled and displayed, from bitplanes and colors to the video output.
| Sprite shrinking | 08:52, 13 October 2018 |
| Palettes | 21:01, 30 June 2018 |
| Sticky bit | 00:45, 24 June 2018 |
Everything related to music and sound effects: The Z80 subsystem, synthesized and sampled sound, CDDA playback...
Troubleshooting dead or glitchy MVS boards, CD laser assemblies, cartridges...
| Graphic glitches | 02:42, 4 September 2018 |
| System self-test | 06:48, 24 August 2018 |
| NEO-CDA board | 08:51, 12 August 2018 |
Particularities of the AES and MVS systems: ROM types, memory cards, cab I/O, data security... Also cartridge boards information.
| JAMMA connector pinout | 11:22, 14 October 2018 |
| NEO-AES3-6 board | 10:22, 3 October 2018 |
| Schematics | 06:32, 26 September 2018 |
NeoGeo CD and CDZ specificities: Differences and limitations, new memory functions, CDDA...
Code snippets, register definitions, guides on how to display stuff, use the system ROM, play music and sounds, read user input...
| Scaling sprite groups | 09:33, 13 October 2018 |
| 68k interrupts | 08:58, 11 October 2018 |
| Displaying sprites | 03:42, 11 October 2018 |
What makes everything work (or not). Schematics, chip pinouts and functions, troubleshooting hardware issues...
Remarquable games for some of their technical aspects: special effects, unusual hardware use, hidden features...
| Robo Army | 16:14, 12 August 2018 |
| 161-in-1 Series 1 | 19:25, 15 July 2018 |
| Ghostlop (prototype) | 01:11, 11 March 2018 |
17 October 2018
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00:36 |
(Upload log) . . [Furrtek (3×)] |
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00:36 . . Furrtek (talk | contribs) uploaded a new version of File:PRO-C0 pinout.png |
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00:36 . . Furrtek (talk | contribs) uploaded a new version of File:PRO-B0 pinout.png |
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00:35 . . Furrtek (talk | contribs) uploaded a new version of File:LSPC-A0 pinout.png |
15 October 2018
About this wiki
- The wiki has 551 pages thanks to our contributors
- 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]
- 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 ?
