
14D. Driver488/W31, C Languages III. COMMAND REFERENCES - 14. Command Summaries
III-278 Personal488 User’s Manual, Rev. 3.0
Defined Constants
Bus Command Constants Miscellaneous Constants:
bcUNT
1
IN
1
bcUNL
2
OUT
2
bcMTA
3
ON
1
bcMLA
4
OFF
0
bcTALK
5
ALL
-1
bcLISTEN
6
SAME
-2
WHILE_SRQ
-2
UNTIL_RSV
-3
TRUE
1
FALSE
0
MAXHANDLES
50
NOIEEEADRESS
-1
NODEVICE
-1
NONODE
NULL
TERMIN
1
TERMOUT
2
Structure Definitions
typedef struct {
bool SC;
bool CA;
uchar Primaddr;
uchar Secaddr;
bool SRQ;
bool addrChange;
bool talker;
bool listener;
bool triggered;
bool cleared;
bool transfer;
bool byteIn;
bool byteOut;
} IeeeStatusT;
typedef struct {
bool EOI;
int Char; bool
EightBits;
int termChar[2];
} TermT;
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