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==<center>Welcome to the NeoGeo Development Wiki</center>==
==<center>Welcome to the NeoGeo Development Wiki</center>==


<center>This wiki concerns every technical aspect of the SNK NeoGeo hardware and software (AES, MVS, CD and CDZ).<br>
<center>This wiki is about every technical aspects of the SNK NeoGeo hardware and software (AES, MVS, CD and CDZ).<br>
Its aim is to provide the most accurate and up to date information, to help homebrew development and repairs.
Our aim is to provide the most detailed, accurate and up to date information for preservation, homebrew development and repairs.<br>
The wiki has {{NUMBEROFARTICLES}} pages. [[Special:Userlist|Contributors list]]. '''Don't know where to start ? Try [[How_to_start|here]]'''.</center>
The wiki has {{NUMBEROFARTICLES}} pages. [[Special:Userlist|Contributors list]]. Hosting provided by [[User:ElBarto|ElBarto]].<br>Don't know where to start ? Try [[How_to_start|here]]. Can't find what you're looking for ? Try our [[links]].<BR>
'''Want to help ? Just [[Join_wiki|register]] ''' or join us on IRC ! [[irc://irc.freenode.net/neogeodev Freenode #neogeodev]]</center>


==[[Special:RecentChanges|Recent changes]] ("minor" edits hidden)==
==[[Special:RecentChanges|Recent changes]] (minor edits hidden)==
{{Special:Recentchanges/4,hideminor}}
{{Special:Recentchanges/4,hideminor}}
==Categories==
==Categories==
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<div style="border: 1px; width: 256px; height: 100%; padding: 0px; border-style: solid; background-color: #EEE; border-color: black; text-align: center;">
<div style="border: 1px; width: 256px; height: 100%; padding: 0px; border-style: solid; background-color: #EEE; border-color: black; text-align: center;">
[[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>
[[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>
What's common to every NeoGeo systems: main architecture, data formats, BIOS functions...
What's common to every NeoGeo system: main architecture, data formats, ...
<table style="font-size:8pt; width:256px; border-spacing: 0px 5px; border-top: 1px solid #CCC; border-bottom: 1px solid #CCC;">
<table style="font-size:8pt; width:256px; border-spacing: 0px 5px; border-top: 1px solid #CCC; border-bottom: 1px solid #CCC;">
<div style="position:relative; top:10px;">'''Last edits:'''</div>
<div style="position:relative; top:10px;">'''Last edits:'''</div>
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<div style="border: 1px; width: 256px; height: 100%; padding: 0px; border-style: solid; background-color: #EEE; border-color: black; text-align: center;">
<div style="border: 1px; width: 256px; height: 100%; padding: 0px; border-style: solid; background-color: #EEE; border-color: black; text-align: center;">
[[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>
[[File:Ban_tools.jpg|link=:Category:Repairs]]<div style="position: relative; left: 20px; top: -42px; height: 0px; font-size: 30px; text-align: left;">[[:Category:Repairs|<span class="cattitle">Repairing</span>]]</div>
What makes everything work (or not), physically. Schematics, chip pinouts and functions, troubleshooting hardware issues...
Troubleshooting dead or glitchy MVS boards, CD laser assemblies, cartridges...
<table style="font-size:8pt; width:256px; border-spacing: 0px 5px; border-top: 1px solid #CCC; border-bottom: 1px solid #CCC;">
<table style="font-size:8pt; width:256px; border-spacing: 0px 5px; border-top: 1px solid #CCC; border-bottom: 1px solid #CCC;">
<div style="position:relative; top:10px;">'''Last edits:'''</div>
<div style="position:relative; top:10px;">'''Last edits:'''</div>
<forum>
<forum>
category=Chips
category=Repairs
count=3
count=3
</forum></table>
</forum></table>
Pages in category: {{PAGESINCAT:Chips}}
Pages in category: {{PAGESINCAT:Repairs}}
</div>
</div>


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<div style="border: 1px; width: 256px; height: 100%; padding: 0px; border-style: solid; background-color: #EEE; border-color: black; text-align: center;">
<div style="border: 1px; width: 256px; height: 100%; padding: 0px; border-style: solid; background-color: #EEE; border-color: black; text-align: center;">
[[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>
[[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>
Particularities of the AES and MVS systems: ROM types, memory cards, cab I/O, data security...
Particularities of the AES and MVS systems: ROM types, memory cards, cab I/O, data security... Also [[:Category:Cartridge boards|cartridge boards]] information.
<table style="font-size:8pt; width:256px; border-spacing: 0px 5px; border-top: 1px solid #CCC; border-bottom: 1px solid #CCC;">
<table style="font-size:8pt; width:256px; border-spacing: 0px 5px; border-top: 1px solid #CCC; border-bottom: 1px solid #CCC;">
<div style="position:relative; top:10px;">'''Last edits:'''</div>
<div style="position:relative; top:10px;">'''Last edits:'''</div>
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<div style="border: 1px; width: 256px; height: 100%; padding: 0px; border-style: solid; background-color: #EEE; border-color: black; text-align: center;">
[[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>
[[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">Software</span>]]</div>
Code snippets, register definitions, guides on how to display stuff, use BIOS functions, play music and sounds, read user input...
Code snippets, register definitions, guides on how to display stuff, use the system ROM, play music and sounds, read user input...
<table style="font-size:8pt; width:256px; border-spacing: 0px 5px; border-top: 1px solid #CCC; border-bottom: 1px solid #CCC;">
<table style="font-size:8pt; width:256px; border-spacing: 0px 5px; border-top: 1px solid #CCC; border-bottom: 1px solid #CCC;">
<div style="position:relative; top:10px;">'''Last edits:'''</div>
<div style="position:relative; top:10px;">'''Last edits:'''</div>
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<div style="border: 1px; width: 256px; height: 100%; padding: 0px; border-style: solid; background-color: #EEE; border-color: black; text-align: center;">
<div style="border: 1px; width: 256px; height: 100%; padding: 0px; border-style: solid; background-color: #EEE; border-color: black; text-align: center;">
[[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>
[[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>
Assemblers, emulators, utilities, cheatsheets, automations... Anything handy for developement.
What makes everything work (or not). Schematics, chip pinouts and functions, troubleshooting hardware issues...
<table style="font-size:8pt; width:256px; border-spacing: 0px 5px; border-top: 1px solid #CCC; border-bottom: 1px solid #CCC;">
<table style="font-size:8pt; width:256px; border-spacing: 0px 5px; border-top: 1px solid #CCC; border-bottom: 1px solid #CCC;">
<div style="position:relative; top:10px;">'''Last edits:'''</div>
<div style="position:relative; top:10px;">'''Last edits:'''</div>
<forum>
<forum>
category=Tools
category=Chips
count=3
count=3
</forum></table>
</forum></table>
Pages in category: {{PAGESINCAT:Tools}}
Pages in category: {{PAGESINCAT:Chips}}
</div>
</div>



Revision as of 02:41, 16 March 2016

File:Logo.png

Welcome to 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.
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 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

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 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

Pages in category: 60

File:Ban chips.jpg

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

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 ?