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Copyright 1991 David Jurgens |
INT 15,83 - Event Wait
AH = 83h
AL = 0 set interval
= 1 cancel interval (PS/2)
CX,DX = number of microseconds to wait (976 μs resolution)
ES:BX = pointer to memory flag (bit 7 is set
when interval expires)
(granularity is 976 microseconds)
on return:
CF = 1 if function already busy
AH = 80h for PC
= 86h for XT & AT
- available on the AT (BIOS after 1/10/84) and PS/2's except 30
- designed for use in simple multitasking
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| Esc or Alt-X to exit |
int 15,83 |
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