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GW-BASIC | 1980-01-01 | 512 b | 21 lines |
- 10 '**********************************
- 20 '** GRAPH04 **
- 30 '**********************************
- 40 SCREEN 2:KEY OFF:CLS
- 50 INPUT "ENTER X1 AND Y1";A(1),B(1)
- 60 INPUT "ENTER X2 AND Y2";A(2),B(2)
- 70 INPUT "DENSITY OF LINES";D
- 80 CLS
- 90 A=A(1):B=B(1):GOSUB 120
- 100 A=A(2):B=B(2):GOSUB 120
- 110 GOTO 110
- 120 FOR X = 0 TO 199 STEP D/4
- 130 LINE (0,X)-(A,B)
- 140 LINE (639,X)-(A,B)
- 150 NEXT X
- 160 FOR Y = 0 TO 639 STEP D/2
- 170 LINE (Y,0)-(A,B)
- 180 LINE (Y,199)-(A,B)
- 190 NEXT Y
- 200 RETURN
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