Difference between revisions of "83:ROMCalls:4010"
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[[Category:83:ROMCalls:By Name:Utility|KbdScan]] [[Category:83:ROMCalls:By Name|KbdScan]] [[Category:83:ROMCalls:By Address|4010 - KbdScan]] | [[Category:83:ROMCalls:By Name:Utility|KbdScan]] [[Category:83:ROMCalls:By Name|KbdScan]] [[Category:83:ROMCalls:By Address|4010 - KbdScan]] | ||
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== Synopsis == | == Synopsis == | ||
'''Official Name:''' KbdScan | '''Official Name:''' KbdScan | ||
Revision as of 12:16, 17 April 2008
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Synopsis
Official Name: KbdScan
Call Address: 4010
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 routine is called by the interrupt handler. If interrupts are not enabled, this can be used prior to the Getcsc romcall to achieve the same results.
