CREDIT CHECK: Difference between revisions
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[[BIOSes|BIOS]] routine called to check if there's enough credits for a player. | [[BIOSes|BIOS]] routine called to check if there's enough credits for a player. | ||
Input: $10FDB0 | Input: Credits necessary in {{BR|BIOS_CREDIT_DEC1}} $10FDB0 for player 1, and {{BR|BIOS_CREDIT_DEC2}} $10FDB1 for player 2. | ||
Those locations are set to 0 if there aren't enough credits. | Those locations are set to 0 if there aren't enough credits. | ||
Call [[CREDIT_DOWN]] after. | Call [[CREDIT_DOWN]] after. | ||
Credits can be read through $D00034 and $D00035. | |||
[[Category:BIOS calls]] | [[Category:BIOS calls]] | ||
Revision as of 17:43, 16 March 2013
CREDIT_CHECK ($C00450)
BIOS routine called to check if there's enough credits for a player.
Input: Credits necessary in BIOS_CREDIT_DEC1 ( $10FDB0) $10FDB0 for player 1, and BIOS_CREDIT_DEC2 ( $10FDB1) $10FDB1 for player 2. Those locations are set to 0 if there aren't enough credits.
Call CREDIT_DOWN after.
Credits can be read through $D00034 and $D00035.