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__NOTOC__
 
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==<center>Welcome to the NeoGeo Development Wiki</center>==
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  [[File:Neo-Geo-AES-Console-Set.png|left|x100px|link=]]
  <h2 class="title">The NeoGeo Development Wiki</h2>
  <p class="headline">This wiki is about every technical aspects of the SNK NeoGeo hardware and software (AES, MVS, CD and CDZ).<br />Our aim is to provide the most detailed, accurate and up to date information for preservation, homebrew development and repairs.</p>
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<center>This wiki concerns every technical aspect of the SNK NeoGeo hardware and software (AES, MVS, CD and CDZ).<br>
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Its aim is to provide the most accurate and up to date information, to help homebrew development and repairs.
<div id="home-cat">
The wiki has {{NUMBEROFARTICLES}} pages. [[Special:Userlist|Contributors list]]. '''Don't know where to start ? Try [[How_to_start|here]]'''.<BR>
<div class="home-block">
Join us on IRC ! [[irc://irc.efnet.org/neodev| EFNet #neodev]]</center>
    <div class="head cat-base">[[:Category:Base system|<span class="cattitle"><span>Base system</span></span>]]</div>
 
    <div class="content">
==[[Special:RecentChanges|Recent changes]] ("minor" edits hidden)==
        <p>What's common to every NeoGeo system: main architecture, data formats...</p>
{{Special:Recentchanges/4,hideminor}}
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==Categories==
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        <div>'''Last edits'''</div>
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            <forum>
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[[File:Ban_base.jpg|link=:Category:Base system]]<div style="position: relative; left: 20px; top: -42px; height: 0px; font-size: 30px; text-align: left;">[[:Category:Base system|<span class="cattitle">Base system</span>]]</div>
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What's common to every NeoGeo systems: main architecture, data formats, BIOS functions...
        </table>{{PAGESINCAT:Base system}} pages
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<div style="position:relative; top:10px;">'''Last edits:'''</div>
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Pages in category: {{PAGESINCAT:Base system}}
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    <div class="head cat-video">[[:Category:Video system|<span class="cattitle"><span>Video system</span></span>]]</div>
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[[File:Ban_video.jpg|link=:Category:Video system]]<div style="position: relative; left: 20px; top: -42px; height: 0px; font-size: 30px; text-align: left;">[[:Category:Video system|<span class="cattitle">Video system</span>]]</div>
        <p>How graphics are handled and displayed, from bitplanes and colors to the video output.</p>
How graphics are handled and displayed, from bitplanes and colors to the video output.
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<table style="font-size:8pt; width:256px; border-spacing: 0px 5px; border-top: 1px solid #CCC; border-bottom: 1px solid #CCC;">
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<div style="position:relative; top:10px;">'''Last edits:'''</div>
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    <div class="head cat-audio">[[:Category:Audio system|<span class="cattitle"><span>Audio system</span></span>]]</div>
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[[File:Ban_audio.jpg|link=:Category:Audio system]]<div style="position: relative; left: 20px; top: -42px; height: 0px; font-size: 30px; text-align: left;">[[:Category:Audio system|<span class="cattitle">Audio system</span>]]</div>
        <p>Everything related to music and sound effects: The Z80 subsystem, synthesized and sampled sound, CDDA playback...</p>
Everything related to music and sound effects: The Z80 subsystem, synthesized and sampled sound, CDDA playback...
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        </table>{{PAGESINCAT:Audio system}} pages
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    <div class="head cat-repair">[[:Category:Repairs|<span class="cattitle"><span>Repairs</span></span>]]</div>
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[[File:Ban_chips.jpg|link=:Category:Chips]]<div style="position: relative; left: 20px; top: -42px; height: 0px; font-size: 30px; text-align: left;">[[:Category:Chips|<span class="cattitle">Electronics</span>]]</div>
        <p>Troubleshooting dead or glitchy MVS boards, CD laser assemblies, cartridges...</p>
What makes everything work (or not), physically. Schematics, chip pinouts and functions, troubleshooting hardware issues...
    </div>
<table style="font-size:8pt; width:256px; border-spacing: 0px 5px; border-top: 1px solid #CCC; border-bottom: 1px solid #CCC;">
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<div style="position:relative; top:10px;">'''Last edits:'''</div>
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        </table>{{PAGESINCAT:Repairs}} pages
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    <div class="head cat-cart">[[:Category:Cartridge systems|<span class="cattitle"><span>Cart systems</span></span>]]</div>
 
    <div class="content">
| style="height: 100%;" |
        <p>Particularities of the AES and MVS systems: ROM types, memory cards, cab I/O, data security... Also [[:Category:Cartridge boards|cartridge boards]] information.</p>
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[[File:Ban_cart.jpg|link=:Category:Cartridge systems]]<div style="position: relative; left: 20px; top: -42px; height: 0px; font-size: 30px; text-align: left;">[[:Category:Cartridge systems|<span class="cattitle">Cart systems</span>]]</div>
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Particularities of the AES and MVS systems: ROM types, memory cards, cab I/O, data security...
        <div>'''Last edits'''</div>
<table style="font-size:8pt; width:256px; border-spacing: 0px 5px; border-top: 1px solid #CCC; border-bottom: 1px solid #CCC;">
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<div style="position:relative; top:10px;">'''Last edits:'''</div>
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</forum></table>
        </table>{{PAGESINCAT:Cartridge systems}} pages
Pages in category: {{PAGESINCAT:Cartridge systems}}
    </div>
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    <div class="head cat-cd">[[:Category:CD systems|<span class="cattitle"><span>CD systems</span></span>]]</div>
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[[File:Ban_cd.jpg|link=:Category:CD systems]]<div style="position: relative; left: 20px; top: -42px; height: 0px; font-size: 30px; text-align: left;">[[:Category:CD systems|<span class="cattitle">CD systems</span>]]</div>
        <p>NeoGeo CD and CDZ specificities: Differences and limitations, new memory functions, CDDA...</p>
NeoGeo CD and CDZ specificities: Differences and limitations, new memory functions, CDDA...
    </div>
<table style="font-size:8pt; width:256px; border-spacing: 0px 5px; border-top: 1px solid #CCC; border-bottom: 1px solid #CCC;">
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<div style="position:relative; top:10px;">'''Last edits:'''</div>
        <div>'''Last edits'''</div>
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Pages in category: {{PAGESINCAT:CD systems}}
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        </table>{{PAGESINCAT:CD systems}} pages
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    <div class="head cat-code">[[:Category:Code|<span class="cattitle"><span>Software</span></span>]]</div>
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[[File:Ban_code.jpg|link=:Category:Code]]<div style="position: relative; left: 20px; top: -42px; height: 0px; font-size: 30px; text-align: left;">[[:Category:Code|<span class="cattitle">Code & HowTo's</span>]]</div>
        <p>Code snippets, register definitions, guides on how to display stuff, use the system ROM, play music and sounds, read user input...</p>
Code snippets, register definitions, guides on how to display stuff, use BIOS functions, play music and sounds, read user input...
    </div>
<table style="font-size:8pt; width:256px; border-spacing: 0px 5px; border-top: 1px solid #CCC; border-bottom: 1px solid #CCC;">
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<div style="position:relative; top:10px;">'''Last edits:'''</div>
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        </table>{{PAGESINCAT:Code}} pages
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    <div class="head cat-chips">[[:Category:Chips|<span class="cattitle"><span>Electronics</span></span>]]</div>
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[[File:Ban_tools.jpg|link=:Category:Code]]<div style="position: relative; left: 20px; top: -42px; height: 0px; font-size: 30px; text-align: left;">[[:Category:Tools|<span class="cattitle">Tools</span>]]</div>
        <p>What makes everything work (or not). Schematics, chip pinouts and functions, troubleshooting hardware issues...</p>
Assemblers, emulators, utilities, cheatsheets, automations... Anything handy for developement.
    </div>
<table style="font-size:8pt; width:256px; border-spacing: 0px 5px; border-top: 1px solid #CCC; border-bottom: 1px solid #CCC;">
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<div style="position:relative; top:10px;">'''Last edits:'''</div>
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        </table>{{PAGESINCAT:Chips}} pages
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    <div class="head cat-games">[[:Category:Games|<span class="cattitle"><span>Games</span></span>]]</div>
 
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        <p>Remarquable games for some of their technical aspects: special effects, unusual hardware use, hidden features...</p>
 
    </div>
<div style="border: 1px; height: 104px; padding: 0px; border-style: solid; background-color: #EEE; border-color: black; text-align: center;">
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<div style="position:relative; left: 20px; top: 40px; height: 64px; font-size: 30px; text-align: left;">[[:Category:Games|<span class="cattitle">Games</span>]]</div>
        <div>'''Last edits'''</div>
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Remarquable games for some of their technical aspects: special effects, unusual hardware use, hidden features...
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                category=Games
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        </table>{{PAGESINCAT:Games}} pages
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<div style="position:relative; left:-120px; top:-54px;">Pages in category: {{PAGESINCAT:Games}}</div>
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==[[Special:RecentChanges|Recent changes]] (minor edits hidden)==
{{Special:Recentchanges/4,hideminor}}
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'''How to edit, guidelines, available templates, suggestions: [[The wiki]]'''
  <div class="home-block">
==About this wiki==
    <ul style="list-style:outside none none;">
      <li>The wiki has {{NUMBEROFARTICLES}} pages thanks to our [[Special:Userlist|contributors]]</li>
      <li>Hosting provided by [[User:ElBarto|ElBarto]]</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>'''Want to help ? Just [[Join_wiki|register]] ''' or join us on IRC ! [[irc://irc.freenode.net/neogeodev Freenode #neogeodev]]</li>
      <li>'''How to edit, guidelines, available templates, suggestions: [[The wiki]]'''</li>
    </ul>
  </div>


  <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]].
* Publish asm highlighter for ConTEXT
* Publish asm highlighter for ConTEXT
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* Troubleshooting tips
* Troubleshooting tips
* Make a downloadable offline capture every few months ?
* Make a downloadable offline capture every few months ?
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__NOTOC__
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Revision as of 18:22, 13 October 2017

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...

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

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
36 pages

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
28 pages

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
45 pages

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
106 pages

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
48 pages

Code snippets, register definitions, guides on how to display stuff, use the system ROM, 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
60 pages

What makes everything work (or not). 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
109 pages

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
241 pages

Recent changes (minor edits hidden)

No changes during the given period match these criteria.

About this 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 ?