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What's common to every NeoGeo system: main architecture, data formats...
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42 pages
How graphics are handled and displayed, from bitplanes and colors to the video output.
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36 pages
Everything related to music and sound effects: The Z80 subsystem, synthesized and sampled sound, CDDA playback...
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30 pages
Troubleshooting dead or glitchy MVS boards, CD laser assemblies, cartridges...
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45 pages
Particularities of the AES and MVS systems: ROM types, memory cards, cab I/O, data security... Also cartridge boards information.
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106 pages
NeoGeo CD and CDZ specificities: Differences and limitations, new memory functions, CDDA...
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48 pages
Code snippets, register definitions, guides on how to display stuff, use the system ROM, play music and sounds, read user input...
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60 pages
What makes everything work (or not). Schematics, chip pinouts and functions, troubleshooting hardware issues...
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109 pages
Remarquable games for some of their technical aspects: special effects, unusual hardware use, hidden features...
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241 pages
Recent changes (minor edits hidden)
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24 August 2026
About this wiki
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Todo
- See wanted pages, old pages, short pages, and Todo/Mysteries.
- Make subcategories, move/merge "BIOS calls"
- Better troubleshooting tips
- Make a downloadable offline capture every few months ?