User:Rom1: Difference between revisions

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  [[File:Neo-Geo-AES-Console-Set.png|left|x100px]]
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  <h2 class="title" style="border:none;margin-top:0">The NeoGeo Development Wiki</h2>
  <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>
  <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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         <p style="margin:0">[[File:Ban2_base.jpg|link=:Category:Base system]]</p>
         <p style="margin:0">[[File:Ban2_base.jpg|link=:Category:Base system]]</p>
         <div style="position:absolute;top:25px;left:20px;font-size:30px;">[[:Category:Base system|<span class="cattitle">Base system</span>]]</div>
         <div style="position:absolute;top:25px;left:20px;font-size:30px;">[[:Category:Base system|<span class="cattitle">Base system</span>]]</div>
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         <p>What's common to every NeoGeo system: main architecture, data formats...</p>
         <p>What's common to every NeoGeo system: main architecture, data formats...</p>
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         <div>'''Last edits'''</div>
         <div>'''Last edits'''</div>
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         <p style="margin:0">[[File:Ban2_video.jpg|link=:Category:Video system]]</p>
         <p style="margin:0">[[File:Ban2_video.jpg|link=:Category:Video system]]</p>
         <div style="position:absolute;top:25px;left:20px;font-size:30px;">[[:Category:Audio system|<span class="cattitle">Videosystem</span>]]</div>
         <div style="position:absolute;top:25px;left:20px;font-size:30px;">[[:Category:Audio system|<span class="cattitle">Videosystem</span>]]</div>
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         <p>How graphics are handled and displayed, from bitplanes and colors to the video output.</p>
         <p>How graphics are handled and displayed, from bitplanes and colors to the video output.</p>
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                 category=Video system
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         <p style="margin:0">[[File:Ban2_audio.jpg|link=:Category:Audio system]]</p>
         <p style="margin:0">[[File:Ban2_audio.jpg|link=:Category:Audio system]]</p>
         <div style="position:absolute;top:25px;left:20px;font-size:30px;">[[:Category:Audio system|<span class="cattitle">Audio system</span>]]</div>
         <div style="position:absolute;top:25px;left:20px;font-size:30px;">[[:Category:Audio system|<span class="cattitle">Audio system</span>]]</div>
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         <p>Everything related to music and sound effects: The Z80 subsystem, synthesized and sampled sound, CDDA playback...</p>
         <p>Everything related to music and sound effects: The Z80 subsystem, synthesized and sampled sound, CDDA playback...</p>
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         <div>'''Last edits'''</div>
         <div>'''Last edits'''</div>
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                 category=Audio system
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         <p style="margin:0">[[File:Ban2_repair.jpg|link=:Category:Repairs]]</p>
         <p style="margin:0">[[File:Ban2_repair.jpg|link=:Category:Repairs]]</p>
         <div style="position:absolute;top:25px;left:20px;font-size:30px;">[[:Category:Repairs|<span class="cattitle">Repairs</span>]]</div>
         <div style="position:absolute;top:25px;left:20px;font-size:30px;">[[:Category:Repairs|<span class="cattitle">Repairs</span>]]</div>
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     <div class="content" style="padding:0 1rem;flex:1 0 auto;">
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         <p>Troubleshooting dead or glitchy MVS boards, CD laser assemblies, cartridges...</p>
         <p>Troubleshooting dead or glitchy MVS boards, CD laser assemblies, cartridges...</p>
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         <div>'''Last edits'''</div>
         <div>'''Last edits'''</div>
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                 category=Repairs
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         <p style="margin:0">[[File:Ban2_cart.jpg|link=:Category:Cartridge systems]]</p>
         <p style="margin:0">[[File:Ban2_cart.jpg|link=:Category:Cartridge systems]]</p>
         <div style="position:absolute;top:25px;left:20px;font-size:30px;">[[:Category:Cartridge systems|<span class="cattitle">Cart systems</span>]]</div>
         <div style="position:absolute;top:25px;left:20px;font-size:30px;">[[:Category:Cartridge systems|<span class="cattitle">Cart systems</span>]]</div>
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     <div class="content" style="padding:0 1rem;flex:1 0 auto;">
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         <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>
         <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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         <div>'''Last edits'''</div>
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                 category=Cartridge systems
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         <p style="margin:0">[[File:Ban2_cd.jpg|link=:Category:CD systems]]</p>
         <p style="margin:0">[[File:Ban2_cd.jpg|link=:Category:CD systems]]</p>
         <div style="position:absolute;top:25px;left:20px;font-size:30px;">[[:Category:CD systems|<span class="cattitle">CD systems</span>]]</div>
         <div style="position:absolute;top:25px;left:20px;font-size:30px;">[[:Category:CD systems|<span class="cattitle">CD systems</span>]]</div>
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     <div class="content" style="padding:0 1rem;flex:1 0 auto;">
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         <p>NeoGeo CD and CDZ specificities: Differences and limitations, new memory functions, CDDA...</p>
         <p>NeoGeo CD and CDZ specificities: Differences and limitations, new memory functions, CDDA...</p>
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                 category=CD systems
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         <p style="margin:0">[[File:Ban2_code.jpg|link=:Category:Code]]</p>
         <p style="margin:0">[[File:Ban2_code.jpg|link=:Category:Code]]</p>
         <div style="position:absolute;top:25px;left:20px;font-size:30px;">[[:Category:Code|<span class="cattitle">Software</span>]]</div>
         <div style="position:absolute;top:25px;left:20px;font-size:30px;">[[:Category:Code|<span class="cattitle">Software</span>]]</div>
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     <div class="content" style="padding:0 1rem;flex:1 0 auto;">
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         <p>Code snippets, register definitions, guides on how to display stuff, use the system ROM, play music and sounds, read user input...</p>
         <p>Code snippets, register definitions, guides on how to display stuff, use the system ROM, play music and sounds, read user input...</p>
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         <p style="margin:0">[[File:Ban2_chips.jpg|link=:Category:Chips]]</p>
         <p style="margin:0">[[File:Ban2_chips.jpg|link=:Category:Chips]]</p>
         <div style="position:absolute;top:25px;left:20px;font-size:30px;">[[:Category:Chips|<span class="cattitle">Electronics</span>]]</div>
         <div style="position:absolute;top:25px;left:20px;font-size:30px;">[[:Category:Chips|<span class="cattitle">Electronics</span>]]</div>
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     <div class="content" style="padding:0 1rem;flex:1 0 auto;">
     <div class="content">
         <p>What makes everything work (or not). Schematics, chip pinouts and functions, troubleshooting hardware issues...</p>
         <p>What makes everything work (or not). Schematics, chip pinouts and functions, troubleshooting hardware issues...</p>
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         <div>'''Last edits'''</div>
         <div>'''Last edits'''</div>
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                 category=Chips
                 category=Chips
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         <p style="margin:0">[[File:Ban2_games.jpg|link=:Category:Games]]</p>
         <p style="margin:0">[[File:Ban2_games.jpg|link=:Category:Games]]</p>
         <div style="position:absolute;top:25px;left:20px;font-size:30px;">[[:Category:Games|<span class="cattitle">Games</span>]]</div>
         <div style="position:absolute;top:25px;left:20px;font-size:30px;">[[:Category:Games|<span class="cattitle">Games</span>]]</div>
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     <div class="content" style="padding:0 1rem;flex:1 0 auto;">
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         <p>Remarquable games for some of their technical aspects: special effects, unusual hardware use, hidden features...</p>
         <p>Remarquable games for some of their technical aspects: special effects, unusual hardware use, hidden features...</p>
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         <div>'''Last edits'''</div>
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                 category=Games
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==[[Special:RecentChanges|Recent changes]] (minor edits hidden)==
==[[Special:RecentChanges|Recent changes]] (minor edits hidden)==
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==About this wiki==
==About this wiki==
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==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]].

Revision as of 19:27, 16 September 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 ?


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