Todo/Mysteries

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Revision as of 09:19, 6 January 2013 by Furrtek (talk | contribs)
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Use BR (BIOS RAM) template for bios ram locations. Same for Reg template.

Make helper (tooltip ?) 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

  • CMC 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 chip pinouts (not very useful)
  • dump lc98000 version neocd bios
  • pro-b0 and pro-c0 pinouts
  • How to start page
  • LC8953/98000 microcode
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