Difference between revisions of "83Plus:BCALLs:4015"
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Revision as of 19:12, 7 April 2005
Synopsis
Official Name: KbdScan
BCALL Address: 4015
This routine scans the keyboard for any key presses and updates the memory location kbdscancode.
Inputs
- none
Outputs
- (kbdscancode)=scan code of key press
Registers Destroyed
- ??
Comments
Normally this BCALL is called by the interrupt routine. If interrupts are not enabled, this can be used prior to the Getcsc BCALL to achieve the same results.