67
L
L
L.
L
L
10 LPRINT CHR$(27);"0";
20 LPRINT CHR$(27);"6";
30 FOR J=3 TO 6
40 LPRINT w ";J;CHR$(J);CHR$(g);
50 NEXT J
60 LPRINT ' 20 ";CHR$(20)
70 LPRINT
80 LPRINT ' 21 ";CHR$(21);CHR$(9);
90 LPRINT ' 26 ";
100 LPRINT CHR$(26)
120 LPRINT
130 FOR J=128 TO 254 STEP 5
140 FOR I=J TO J+4
150 IF I>254 THEN 170
160 LPRINT I;CHR$(I);CHR$(9);
170 NEXT I
180 LPRINT :LPRINT
190 NEXT J
Figure 5-1 shows what this program will print. If your chart
doesn’t 1001 like this because it has regular letters and numbers
instead of the special symbols, then your computer is only using
seven bits. You can get the correct printout by changing line
160 to this:
160 LPRINT I;CHR$(27);">";CBR$(I);CHR$(27);"=";
aw(9);
A note for the IBM-PC users:
When you run this program, you cannot get the right-pointed
arrow (CHR$(26)) with the IBM-PC computers. This is because
the IBM-PC does not send this code to the printer.
There is a solution to avoid this problem. Change lines 100
and 120 to the either set of the following lists.
100 O=INP(&H379) : IF 0<128 THEN 100
110 OUT &H378,26 : OUT &H37A,5 : OUT &H37A,4
120 LPRINT : LPRINT
100 O=INP(&H3BD) : IF 0<128 THEN 100
110 OUT &H3BC,26 : OUT &H3BE,5 : OUT &H3BE,4
120 LPRINT : LPRINT