Todo/Mysteries

Housekeeping

• Rename BIOS to system ROM everywhere (done ?)
• Use 3rd parameter of Sig template (signal polarity)
• Use Chipname, Reg, Sig, BR templates
• Tooltip extension for registers ?
• Redirects from game stats to game pages
• Add pin numbers on AES cartridge pinout.
• How to start page

Useful

• PCM logic: http://www.mvs-scans.com/images/7/76/Kof_10th_anniv_plus_bootleg1_b1_front.jpg
• Memory chip pinouts
• Finish PRO chipset pinouts !
• M1 and S1 ROM speeds
• CD I/O ERROR 0001 0002 0003 ?
• CRC32 of all known ROMs/ISOs from MAME's neogeo.inc
• Jumper configs
• Memory card stuff (format, banks...)
• neo-mga on mv1a + PALs, neo-sdr and neo-dcr info
• Chip functions for each kind of board (even discrete logic)

Trivia

• CD-Z copy protection
• CMC fix bankswitching: how/when is vram bank info sent to the cartridge?
• Recent security chips info (SMA, PVC...)
• Neo cd chip pinouts (not very useful)

Analysis / mysteries

• Why does the L0 ROM need an output buffer ?
• Loading time graphs for all CD games, is MESS reliable enough ?
• ROM data visualisations https://wiki.neogeodev.org/index.php?title=2020_Super_Baseball
• Details about Z80 ports ($0C, $C0...) see on first-gen MVS boards for discrete z80 i/o logic, YM2610 write delays.
• Details on CD registers
• CDDA playback (needs more research in CD bios)
• Dump LC98000 version Neo CD bios
• LC8953/98000 microcode

Verify

• Check Clock distribution diagram, especially on cart edge.