pTAL Reference Manual (H06.08+)

Built-In Routines

HP pTAL Reference Manual—523746-006

15-57

$INTERROGATEIO

$INTERROGATEIO stores cause and status information from an I/O interrupt, which

the operating system uses to reset the interrupt.

select output

sINT:variable

is an integer variable that is always set to 0.

rank-channel output

sINT:variable

is an integer variable that is always set to 0.

ric-int-cause output

sINT:variable

is the read interrupt cause received from the controller holding the completed

I/O.

rist-int-cause output

sINT:variable

is the read interrupt status received from the controller holding the completed

I/O.

Note. The EpTAL compiler does not support this procedure.

pTAL privileged procedure Yes

Can be executed only by privileged procedures Yes

Sets condition code Yes

Sets $CARRY No

Sets $OVERFLOW No

$INTERROGATEIO ( ,

, ,

select

rank-channel

ric-int-cause channel-status

) ;

VST644.vsd

rist-int-cause