Difference between revisions of "DEMO END subroutine"

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(Created page with "Game routine called by the BIOS when the '''select button''' is pressed (detection during the SYSTEM_IO call), which is used to end the demo early. The routine sho...")
 
m (BIOS -> system ROM)
 
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Game routine called by the [[BIOSes|BIOS]] when the '''select button''' is pressed (detection during the [[SYSTEM_IO]] call), which is used to end the demo early. The routine should just end by a RTS instruction. The BIOS then jumps to [[SYSTEM_RETURN]] and switches to the next slot.
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Game routine called by the [[System ROM]] when the '''select button''' is pressed (detection during the [[SYSTEM_IO]] call), which is used to end the demo early. The routine should just end by a RTS instruction. The System ROM then jumps to [[SYSTEM_RETURN]] and switches to the next slot.
  
 
[[Category:Code]]
 
[[Category:Code]]

Latest revision as of 06:20, 28 October 2015

Game routine called by the System ROM when the select button is pressed (detection during the SYSTEM_IO call), which is used to end the demo early. The routine should just end by a RTS instruction. The System ROM then jumps to SYSTEM_RETURN and switches to the next slot.