Difference between revisions of "83Plus:BCALLs:4A65"
From WikiTI
m |
|||
Line 1: | Line 1: | ||
+ | == Synopsis == | ||
'''Official Name:''' ZIfRclHandler | '''Official Name:''' ZIfRclHandler | ||
− | + | '''BCALL Address:''' 4A65h | |
+ | |||
+ | Returns whether or not a Rcl handler (the function that occurs when you press 2nd+Rcl) is currently active. | ||
+ | |||
+ | === Inputs === | ||
+ | ''None'' | ||
+ | |||
+ | === Outputs === | ||
+ | * Zero Flag: Set if Rcl handler is active, reset otherwise. | ||
+ | |||
+ | === Registers Destroyed === | ||
+ | ''Unknown'' | ||
+ | |||
+ | == Comments == | ||
+ | This B_CALL works by simply comparing the address of [[83Plus:RAM:cxMain|cxMain]] to whatever it should be when the Rcl handler is active. Ironically [[83Plus:RAM:cxPage|cxPage]] is not checked. |
Revision as of 07:37, 25 March 2005
Synopsis
Official Name: ZIfRclHandler
BCALL Address: 4A65h
Returns whether or not a Rcl handler (the function that occurs when you press 2nd+Rcl) is currently active.
Inputs
None
Outputs
- Zero Flag: Set if Rcl handler is active, reset otherwise.
Registers Destroyed
Unknown
Comments
This B_CALL works by simply comparing the address of cxMain to whatever it should be when the Rcl handler is active. Ironically cxPage is not checked.