83Plus:BCALLs:4015

From WikiTI
Revision as of 19:12, 7 April 2005 by Woozle (Talk | contribs)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

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.