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SPOLL

Performs a serial poll of a IEEE-488 device.
 
 SPOLL( {@io-path | device-selector} )
 
Usage:
Stat=SPOLL(712)
SPOLL(@Dev)
Description:
The SPOLL function returns the integer serial poll response of the specified IEEE-488 device. The computer must be the active controller and a primary device address must be specified. One secondary address may be specified.
The IEEE-488 bus action is: ATN, UNL, MLA, TAD, SPE not-ATN, Read data byte, ATN, SPD, UNT.
See Also: