Measurement Computing Personal488 rev.3.0 For DOS & Windows 3.Xi - Manual (Page 289)

14C. Driver488/SUB, Pascal III. COMMAND REFERENCES - 14. Command Summaries
III-274 Personal488 User’s Manual, Rev. 3.0
Defined Constants
Structure Definitions
type
IeeeStatusRec = record
SC :boolean;
CA :boolean;
Primaddr :integer;
Secaddr :integer;
SRQ :boolean;
addrChange :boolean;
talker :boolean;
listener :boolean;
triggered :boolean;
cleared :boolean;
transfer :boolean;
byteIn :boolean;
byteOut :boolean;
end;
type
termrec = packed record
EOI :boolean;
nChar :integer;
EightBits :boolean;
termChar :termsvals;
end;
Arm/Disarm Bit Mask ControlLine Bit Mask for Serial Bus
acError $800 clDSR $20
acSRQ $400 clRI $10
acPeripheral $200 clDCD $08
acController $100 clCTS $04
acTrigger $080 clDTR $02
acClear $040 clRTS $01
acTalk $020
acListen $010 Bus Commands
acIdle $008 bcUNT 1
acByteIn $004 bcUNL 2
acByteOut $002 bcMTA 3
acChange $001 bcMLA 4
bcTALK 5
bcLISTEN 6
Completion Status Bit Mask
ccCount $0001 Miscellaneous Commands
ccBuffer $0002 IN 1
ccTerm $0004 OUT 2
ccEnd $0008 ON 1
ccChange $0010 OFF 0
ccStop $0020 ALL -1
ccDone $4000 SAME -2
ccError $8000 WHILE_SRQ -2
UNTIL_RSV -3
TRUE 1
ControlLine Bit Mask for IEEE 488 Bus FALSE 0
clEOI $80 MAXHANDLES 50
clSRQ $40 NOIEEEADRESS -1
clNRFD $20 NODEVICE -1
clDAC $10 NONODE NULL
clDAV $08 TERMIN 1
clATN $04 TERMOUT 2