Xycom XVME-678 Manual page 120

Chapter
5 -
XVME BIOS Functions
5.4.5 Get ANMI Status
When an ANMI is detected, a call to this function can be used to determine which source the interrupt
is from. This function is also used to determine the current state of the VMEbus SYSFAIL and ACFAIL
signals.
Int I5h
Function AFH
Call With:
Returns:
Subfunction 24H
AH
=
AFH
AL = 24H
If error: Carry Flag Set
If successful:
5-16
AH
=
Error Code
DI
=
"XY"
Carry Flag Clear
AH
=
0
DI
=
"XY"
BX
=
ANMI status
Bit 0 0 - VMEbus BERR ANMI not pending
1 - VMEbus BERR ANMI pending
Bit 1 0 - VMEbus SYSF AIL ANMI not pending
-1 - VMEbus SYSFAIL ANMI pending
Bit 2 0 - ABORT switch ANMI not pending
1 - ABORT switch ANMI pending
Bit 3 0 - VMEbus ACFAIL ANMI not pending
1 VMEbus ACFAIL ANMI pending
Bit 5 0 - VMEbus SYSFAIL signal currently asserted
1 - VMEbus SYSFAIL signal currently negated