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Assigningthe characterdata
Now,wecalculatetheverticalnumericalvaluesofthecolumnsofdots,and
enterthemunderneaththegrid.Forexample,lookingatFigwe 5-3,we see
thatintheleft-mostcolumntherearefivedots,andtheyaresittinginthe“64”
box,“32’’box,“16”box,“8”box,and“4”box.Thusitsverticalvalueis 124.
In the nextcolumn,thereis no dot straddlingtheverticalline;its valueis
recordedas O.
Youwillseethelettersml, m2,m3,etc.,areaboveyourvalues.Whenyou
definethecharacter,youwillsubstituteyourvalueforeachoftheseletters.
Sampleprogram
To demonstratehow to use the downloadcharacters,let’s use the “car”
characterandsomeotheruser-definedcharacterstoprintasmallgraph.This
programwilldojust that:
1000 LPRINT CHR$(27’) j “&”; CHR$(0) j
1010 LPRINT CHR$(60 ) ; CHR$(62 ) j
1020 FOR N=60 TO 62
1030 FOR M=O TO 11
1040 READ MM
1050 LPRINT CHR$(NM) :
1060 NEXT M
1070 NEXT N
1080 LPRINT
1090 DATA 139, 2, 5,
8,241, 0
1100 DATA
0,241, 8, 5, 2, 0
1110 DATA 139,124,
0, 66,
4, 64
1120 DATA 36, 16,
2, 16, 12, 0
1130 DATA 139, 46, 16,
2, 60, 0
1140 DATA 48,
0, 48,
0, 48, 0
1150 LPRINT CHR$(27) ; “D” j CHR$( 11 ) JCHR$(0 ) J
1160 LPRINT CHR$(27) ; “h”; CHR$( 1 ) j
1170 LPRINT “
U. S . EXPORTS”
1180 LPRINT CHR$(27) ; “h”; CHR$(0) j
1190 LPRINT CHR$(27) ; “%”; CHR$( 1 ) j
1200 LPRINT “AUTOS” ; CHR$(9) ;
1210 FOR I= .4 TO 9.3 STEP .4
1220 LPRINT CHR$(61 ) ;
1230 NEXT I
1240 LPRINT