510OUTPUT Vxi_address;"STAT:OPER:ENAB 256"

520OUTPUT Vxi_address;"DIAG:INT:SET1 ON"

530OUTPUT Vxi_address;"DIAG:INT:ACT ON"

540!

550OUTPUT Vxi_address;"*OPC?"

560ENTER Vxi_address;Done

570!

580ON INTR 7 GOSUB Service

590ENABLE INTR 7;2

595! dav/edge int enable, port 0/1 select

600OUTPUT Vxi_address;"VXI:WRITE 128,4,96"

610!

620LOOP

630DISABLE INTR 7

635! get edge int status register

640OUTPUT Vxi_address;"VXI:READ? 128,6"

650ENTER Vxi_address;G

660OUTPUT Vxi_address;"VXI:READ? 128,8"! get dav status register

670ENTER Vxi_address;E

680ENABLE INTR 7;2

690Istat=BINAND(G,15)

700Dstat=BINAND(E,15)

710DISP "DAV Status Reg: ";Dstat,"EInt Status Reg: ";Istat

720END LOOP

730!

740Service: !

750DISABLE INTR 7

755! disable E1459A ints, port 0/1 select

760OUTPUT Vxi_address;"VXI:WRITE 128,4,0"

770!

780A=SPOLL(Vxi_address)

790OUTPUT Vxi_address;"STAT:OPER:EVEN?"

800ENTER Vxi_address;S_op

810OUTPUT Vxi_address;"DIAG:INT:RESP?"

820ENTER Vxi_address;R

830!

840REPEAT

850OUTPUT Vxi_address;"SYST:ERR?"

860ENTER Vxi_address;Ec,A$

870UNTIL Ec=0

880!

890N=N+1

900PRINT "Int #: ";N

910!

915! get dav status register

920OUTPUT Vxi_address;"VXI:READ? 128,8"

930ENTER Vxi_address;A

940!

950A=BINAND(A,15)

960PRINT "DAV Status: ";A

970!

975! get dav data register, port 0

980OUTPUT Vxi_address;"VXI:READ? 128,18"

990ENTER Vxi_address;A

1000 PRINT "DAV Data Reg Port 0: ";A

1010 !

1015 ! get pos edge register, port 0

1020 OUTPUT Vxi_address;"VXI:READ? 128,20"

100 HP E1459A Register Definitions