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<li>Don't know where to start ? Try [[How_to_start|here]]</li> | <li>Don't know where to start ? Try [[How_to_start|here]]</li> | ||
<li>Can't find what you're looking for ? Try our [[links]]</li> | <li>Can't find what you're looking for ? Try our [[links]]</li> | ||
<li>'''Want to help ? Just [[Join_wiki|register]] ''' or join us on IRC ! [[irc://irc. | <li>'''Want to help ? Just [[Join_wiki|register]] ''' or join us on IRC ! [[irc://irc.libera.chat/neogeodev Libera.chat #neogeodev]]</li> | ||
<li>'''How to edit, guidelines, available templates, suggestions: [[The wiki]]'''</li> | <li>'''How to edit, guidelines, available templates, suggestions: [[The wiki]]'''</li> | ||
</ul> | </ul> | ||
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<div class="home-block"> | <div class="home-block"> | ||
==Todo== | ==Todo== | ||
* See [[Special:WantedPages|wanted pages]], [[Special:AncientPages|old pages]], [[Special:ShortPages|short pages]], and [[Todo/Mysteries]]. | * See [[Special:WantedPages|wanted pages]], [[Special:AncientPages|old pages]], [[Special:ShortPages|short pages]], and [[Todo/Mysteries]]. | ||
Latest revision as of 20:15, 20 May 2021
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...
| Memory mapped registers | 19:21, 10 April 2025 |
| Wait cycle | 23:23, 1 October 2024 |
| NGH number | 11:54, 17 June 2024 |
How graphics are handled and displayed, from bitplanes and colors to the video output.
| Sprite graphics format | 06:24, 10 July 2024 |
| VRAM | 00:42, 15 March 2024 |
| Eyecatcher | 20:41, 26 November 2023 |
Everything related to music and sound effects: The Z80 subsystem, synthesized and sampled sound, CDDA playback...
| ADPCM | 15:17, 15 March 2025 |
| CDDA | 03:49, 10 February 2025 |
| Z80 port map | 09:19, 28 January 2024 |
Troubleshooting dead or glitchy MVS boards, CD laser assemblies, cartridges...
| Graphic glitches | 16:46, 24 February 2025 |
| SLOT6 board | 20:59, 23 June 2024 |
| NEO-273 | 21:17, 15 June 2024 |
Particularities of the AES and MVS systems: ROM types, memory cards, cab I/O, data security... Also cartridge boards information.
| Cartridge ROM arrangements | 15:32, 23 February 2025 |
| Schematics | 13:18, 23 November 2024 |
| SLOT6 board | 20:59, 23 June 2024 |
NeoGeo CD and CDZ specificities: Differences and limitations, new memory functions, CDDA...
| NEO-CDD board | 19:01, 10 April 2025 |
| CD drive commands | 04:54, 10 February 2025 |
| CDDA | 03:49, 10 February 2025 |
Code snippets, register definitions, guides on how to display stuff, use the system ROM, play music and sounds, read user input...
| Memory mapped registers | 19:21, 10 April 2025 |
| Vector table swap | 05:39, 3 January 2025 |
| Loading files | 17:45, 2 January 2025 |
What makes everything work (or not). Schematics, chip pinouts and functions, troubleshooting hardware issues...
| NEO-CDD board | 19:01, 10 April 2025 |
| NEO-PCM2 | 15:09, 13 March 2025 |
| Cartridge ROM arrangements | 15:32, 23 February 2025 |
Remarquable games for some of their technical aspects: special effects, unusual hardware use, hidden features...
| Slot check security | 14:02, 31 March 2025 |
| Super Bubble Pop | 03:56, 6 April 2023 |
| Puzzle Bobble | 01:55, 6 April 2023 |
- N
- This edit created a new page (also see list of new pages)
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- This edit was performed by a bot
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10 April 2025
| 19:01 | Upload log Furrtek talk contribs uploaded File:Neo-cdd3-1 schematic.png | ||||
About this wiki
- The wiki has 569 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 ! [Libera.chat #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 ?