Difference between revisions of "83Plus:BCALLs:4A65"
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| − | [[Category:83Plus:BCALLs|4A65]] | + | [[Category:83Plus:BCALLs:By Name:Monitor|ZIfRclHandler]] [[Category:83Plus:BCALLs:By Name|ZIfRclHandler]] [[Category:83Plus:BCALLs:By Address|4A65 - ZIfRclHandler]] |
| + | |||
| + | == 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 === | ||
| + | * DE, HL | ||
| + | |||
| + | == Comments == | ||
| + | This B_CALL works by simply comparing the address of [[83Plus:RAM:858D|cxMain]] to whatever it should be when the Rcl handler is active. [[83Plus:RAM:8599|cxPage]] is not checked. | ||
Latest revision as of 06:39, 6 February 2008
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
- DE, HL
Comments
This B_CALL works by simply comparing the address of cxMain to whatever it should be when the Rcl handler is active. cxPage is not checked.
