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GW-BASIC | 1980-01-01 | 1.1 KB | 46 lines |
- 10 'Program to display dot matrix characters from ROM patterns.
- 20 'Will Fastie --19 Nov 81. Typed in 6 Feb 82 from Creative Computing
- 30 ' VOL.8 NO. 3 (MARCH 82) BY R. HILL
- 40 'Modified to write over whole screen 2/13/82, by R. Hill.
- 50 DEFINT A-Z
- 90 GOSUB 1300
- 100 DEF SEG=&HF000
- 110 BASEADR=&HFA6E
- 120 BYTESPERCHAR=8
- 130 KEY OFF
- 200 CLS
- 201 X=1:Y=1
- 210 CHAR$=INKEY$: IF CHAR$="" THEN 210
- 220 CODE=ASC(CHAR$)
- 230 IF CODE >= 128 THEN BEEP: GOTO 200
- 240 ADR = BASEADR+(CODE*BYTESPERCHAR)
- 260 DOTCHAR=CODE
- 265 'Change "DOTSIZE" to get different width characters.
- 270 DOTSIZE=1
- 280 DOT$=STRING$(DOTSIZE,DOTCHAR)
- 285 GOSUB 1000
- 290 Y=Y+8*DOTSIZE
- 295 IF Y<SCREENWIDTH GOTO 210
- 300 IF X=17 GOTO 320
- 305 X=X+8
- 310 Y=1
- 315 GOTO 210
- 320 Y=1:CHAR$=INKEY$:IF CHAR$="" THEN 320
- 325 PRINT"":PRINT"":PRINT"":PRINT"":PRINT"":PRINT"":PRINT"":PRINT"":PRINT""
- 330 GOTO 220
- 1000 FOR ROW=1 TO 8
- 1010 ROWVAL=PEEK(ADR+(ROW-1))
- 1020 FOR COL=1 TO 8
- 1030 COLMASK=2^(7-(COL-1))
- 1040 IF (ROWVAL AND COLMASK) <> 0 THEN GOSUB 1200
- 1050 NEXT COL
- 1060 NEXT ROW
- 1080 RETURN
- 1200 'Locate to bit position and display giant pixel!
- 1210 LOCATE X+(ROW-1),Y+(COL-1)*DOTSIZE
- 1220 PRINT LEFT$(DOT$,DOTSIZE);
- 1230 RETURN
- 1300 'Initialize display
- 1310 SCREENWIDTH=80
- 1320 RETURN
-