HP 8112A Operating, Programming And Servicing Manual page 107

5 1 0 PRINT
520 WAIT 2
530
540 PRINT " The following bits are set in the Status Byt e : "
550 PRINT
WAIT 2
560
570 IF A=O THEN PRINT
580
IF B I T ( A , 7) THEN PRINT
590 I F BIT (A , 6 ) THEN PRINT
600
I F B IT ( A , 5 ) THEN PRINT
6 1 0 IF B I T ( A , 4) THEN PRINT
620 IF B I T ( A , 3 ) THEN PRINT
630
IF B IT (A , 2 ) THEN PRINT
640 IF B I T ( A , 1 ) THEN PRINT
650 IF B I T ( A , O ) THEN PRINT
1 1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 1
660 PRINT
670
680
Use the !ERR command t o get more detailed informat ion .
690
700
WAIT 2
7 1 0 PRINT " More detailed decript ion read with the !ERR command : "
720 WAIT 2
730
740 DIM A$ [200]
OUTPUT 7 1 2 ; 1 1 IERR 11
750
760 ENTER 7 1 2 ; A$
770 PRINT A$
780
NOTE : The HP8 1 12A ' s St atus Byt e i s updat ed after every command .
790 In this program the Status Byt e was cleared by
800
reading it with SPOLL b efore the !ERR command was conduct ed .
8 1 0 T o restore the previous status , the St atus Byt e has to b e
820
cleared again .
830 WAIT . 1
840 A=SPOLL ( 7 1 2 )
850
860 WAIT 2
870 PRINT
' ' ============================================ ============= = ' '
880 PRINT
890
900
RETURN
9 1 0
2 0
END
1 1
No bit i s s et . "
1 1
1 1
11
11
11
11
11
1 1
" Interrogate Error" command
!
give HP8 1 12A t ime t o f inish internal pro c e s s ing
clear the St atus Byte
-->
Bit 7 Buffer Not Empty "
Bit 6 --> Servi c e Requ e s t "
-->
Bit 5 Input Error"
-->
Bit 4 Duty Cycle Error"
- - >
B it 3 Slope Error"
- - >
Bit 2 Syntax Error"
- - >
Bit 1 Timing Error"
-->
Bit 0 L imit Error"
Programming Examples 7-15