Difference between revisions of "83Plus:BCALLs:4015"
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'''BCALL Address:''' 4015 | '''BCALL Address:''' 4015 | ||
| − | This routine scans the keyboard for any key presses and updates the memory location | + | This routine scans the keyboard for any key presses and updates the memory location [[83Plus:RAM:843F|kbdScanCode]]. |
=== Inputs === | === Inputs === | ||
Revision as of 20:41, 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.
