Measurement Computing Personal488 rev.3.0 For DOS & Windows 3.Xi - Manual (Page 297)

14E. Driver488/W31, Visual Basic III. COMMAND REFERENCES - 14. Command Summaries
III-282 Personal488 User’s Manual, Rev. 3.0
SPstatus integer Service request status
StatusVal IeeeStatus Status TYPE
TermType integer Terminator type: TERMIN or TERMOUT
TermVal terms Terminator TYPE
Timeout integer Timeout value in milliseconds
UntilFlag integer SpollList operating mode
Defined Constants
Completion Status Bit Mask ControlLine Bit Mask for IEEE 488 Bus
ccCount &H0001 clEOI &H80
ccBuffer &H0002 clSRQ &H40
ccTerm &H0004 clNRFD &H20
ccEnd &H0008 c1NDAC &H10
ccChange &H0010 clDAV &H08
ccStop &H0020 clATN &H04
ccDone &H4000
ccError &H8000 ControlLine Bit Mask for Serial Bus
clDSR &H20
clRI &H10
clDCD &H08
clCTS &H04
Miscellaneous Commands clDTR &H02
TURNON 1 clRTS &H01
TURNOFF 2
ALL -1 Bus Commands
WHILESRQ -2 bcUNT 1
UNTILRSV -3 bcUNL 2
NOIEEEADRESS -1 bcMTA 3
NODEVICE% -1 bcMLA 4
TERMIN 1 bcTALK 5
TERMOUT 2 bcLISTEN 6
Structure Definitions
TYPE IeeeStatus
SC AS Integer
CA AS Integer
Primaddr AS Integer
Secaddr AS Integer
SRQ AS Integer
addrChange AS Integer
talker AS Integer
listener AS Integer
triggered AS Integer
cleared AS Integer
transfer AS Integer
byteIn AS Integer
byteOut AS Integer
END TYPE
TYPE Terms
EOI AS Integer
nChar AS Integer
EightBits AS Integer
term1 AS Integer
term2 AS Integer
END TYPE