DEMO END subroutine

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Revision as of 06:20, 28 October 2015 by Freem (talk | contribs) (BIOS -> system ROM)
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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.