
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
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