Todo/Mysteries: Difference between revisions
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Rename palette ram bus in [[NEO-G0]] by PC0~PC15 (see schematics page 3). | Rename palette ram bus in [[NEO-G0]] by PC0~PC15 (see schematics page 3). | ||
Use BR (BIOS RAM) template for bios ram locations. Same for Reg template. | |||
Make templates for each register. | Make templates for each register. | ||
Revision as of 05:24, 25 December 2012
Rename palette ram bus in NEO-G0 by PC0~PC15 (see schematics page 3).
Use BR (BIOS RAM) template for bios ram locations. Same for Reg template.
Make templates for each register.
Memory card stuff (format, banks...)
Official SNK doc infos
- First 80 bytes of code are switchable through REG_SWPBIOS/REG_SWPROM and switched to the BIOS part on startup ($0~$7F = $C00000~$C0007F)
Registers
- What are $380011, $380061, $380065, $380067, and $3800E1 used for ?
SP-E init code:
move.b d0,$380065 move.b d0,$380067
- CD registers
Others
- fix bankswitching: how/when is vram bank info sent to the cartridge?
- neo-mga on mv1a + PALs, neo-sdr and neo-dcr info
- CDDA playback (needs more research in cd bios)
- neo cd schematics
- dump lc98000 version neocd bios
- pro-b0 and pro-c0 pinouts
- How to start page
- LC8953 microcode