Difference between revisions of "Todo/Mysteries"

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==Official SNK doc infos==
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*First 80 bytes of code are switchable through REG_SWPBIOS/REG_SWPROM and switched to the BIOS part on startup ($0~$7F = $C00000~$C0007F)
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==Registers==
 
==Registers==
 
*What are $380011, $380061, $380065, $380067, and $3800E1 used for ?
 
*What are $380011, $380061, $380065, $380067, and $3800E1 used for ?

Revision as of 15:12, 7 October 2011

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