Defined constants structure definitions – Measurement Computing Personal488 rev.3.0 For DOS & Windows 3.Xi User Manual
Page 285
14B. Driver488/SUB, QuickBASIC
III. COMMAND REFERENCES - 14. Command Summaries
III-270
Personal488 User’s Manual, Rev. 3.0
Defined Constants
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
Char;
AS integer
EightBits;
AS integer
term1
AS integer
term2
AS integer
END TYPE
Arm/Disarm Bit Mask
ControlLine Bit Mask for Serial Bus
acError
&H800
clDSR
&H20
acSRQ
&H400
clRI
&H10
acPeripheral
&H200
clDCD
&H08
acController
&H100
clCTS
&H04
acTrigger
&H080
clDTR
&H02
acClear
&H040
clRTS
&H01
acTalk
&H020
acListen
&H010
Bus Commands
acIdle
&H008
bcUNT
1
acByteIn
&H004
bcUNL
2
acByteOut
&H002
bcMTA
3
acChange
&H001
bcMLA
4
bcTALK
5
bcLISTEN
6
Completion Status Bit Mask
ccCount
&H001
Miscellaneous
ccBuffer
&H002
IN
1
ccTerm
&H004
OUT
2
ccEnd
&H008
ON
1
ccChange
&H0010
OFF
0
ccStop
&H0020
ALL
-1
ccDone
&H4000
SAME
-2
ccError
&H8000
WHILE_SRQ
-2
UNTIL_RSV
-3
TRUE
1
ControlLine Bit Mask for IEEE 488 Bus
FALSE
0
clEOI
&H80
MAXHANDLES
50
clSRQ
&H40
NOIEEEADRESS
-1
clNRFD
&H20
NODEVICE
-1
clDAC
&H10
NONODE
NULL
clDAV
&H08
TERMIN
1
clATN
&H04
TERMOUT
2