Backup RAM: Difference between revisions
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The backup RAM is a battery-powered 64KiB RAM space used by [[MVS systems]] to store game scores, cab infos and income logs. Access is handled by the [[BIOSes]]. | The backup RAM is a battery-powered 64KiB RAM space used by [[MVS systems]] to store game scores, cab infos and income logs. Access is handled by the [[BIOSes]]. | ||
[[68k memory map|Memory region]]: $D00000~$D0FFFF. | [[68k memory map|Memory region]]: $D00000~$D0FFFF (Mirrored up to $DFFFFF ?). | ||
== Locations == | |||
$D00047.b: Number of detected slots | |||
$D00058.b: First valid slot | |||
$D00108.b: Last tested slot | |||
[[Category:Cartridge systems]] | [[Category:Cartridge systems]] | ||
Revision as of 19:10, 3 September 2011
The backup RAM is a battery-powered 64KiB RAM space used by MVS systems to store game scores, cab infos and income logs. Access is handled by the BIOSes.
Memory region: $D00000~$D0FFFF (Mirrored up to $DFFFFF ?).
Locations
$D00047.b: Number of detected slots $D00058.b: First valid slot $D00108.b: Last tested slot