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- 1000 SCREEN 2 : KEY OFF : CLS
- 1010 PRINT " 640 x 200 Black & White Graphics Mode Demonstration"
- 1020 PRINT
- 1030 PRINT
- 1040 PRINT " ************* I N F U L L C O L O R *************"
- 1050 PRINT
- 1060 PRINT " Technique discovered by: JAMES L JOHNSEN"
- 1070 PRINT
- 1080 PRINT " and implemented through a program originally written for the 320 x 200"
- 1090 PRINT "graphics mode by: MICRO-G, P.O. BOX 102, DULUTH, GEORGIA 30136, (404) 476-5779"
- 1100 PRINT
- 1110 PRINT " Just look at the letters (left edge and top) to see that we're in 640 x 200."
- 1130 PRINT
- 1140 PRINT
- 1150 LOCATE 13,24 :PRINT " USE CURSOR KEYS TO CHANGE COLORS"
- 1160 LOCATE 15,23 :PRINT " PRESS THE <ESC> KEY FOR COLOR DEMO"
- 1180 CLS : OUT (984),14
- 1190 KEY(11) ON :KEY(12) ON
- 1200 KEY(13) ON :KEY(14) ON
- 1210 ON KEY(11) GOSUB 1350
- 1220 ON KEY(12) GOSUB 1380
- 1230 ON KEY(13) GOSUB 1390
- 1240 ON KEY(14) GOSUB 1420
- 1250 CLS
- 1260 BACK=7
- 1270 OUT (985),16
- 1280 GOSUB 1450
- 1290 GOSUB 1520
- 1300 LOCATE 25,1:PRINT SPC(79);
- 1310 LOCATE 25,15:PRINT "BACKGROUND ";BACK;
- 1320 LOCATE 25,60:PRINT "PALATE ";PALATE / 16 - 1;
- 1330 QUIT$ = INKEY$ : IF QUIT$ = CHR$(27) THEN CLS: GOTO 2000
- 1340 GOTO 1310
- 1350 BACK=BACK+1: IF BACK=>32 THEN BACK=0
- 1360 OUT (985),BACK+PALATE
- 1370 RETURN
- 1380 GOTO 1390
- 1390 PALATE =PALATE+16 :IF PALATE > 32 THEN PALATE=16
- 1400 OUT (985),BACK+PALATE
- 1410 RETURN
- 1420 BACK=BACK-1: IF BACK<0 THEN BACK=31
- 1430 OUT (985),BACK+PALATE
- 1440 RETURN
- 1450 REM PRINT THE NUMBERS
- 1460 LOCATE 3,1 :PRINT " 0 1 2 3 0 1 2 3"
- 1470 LOCATE 8,1 :PRINT "0"
- 1480 LOCATE 13,1 :PRINT "1"
- 1490 LOCATE 18,1 :PRINT "2"
- 1500 LOCATE 23,1 :PRINT "3"
- 1510 RETURN
- 1520 V=40
- 1530 H=60 :AA=0 :BB=0 :GOSUB 1740
- 1540 H=120 :AA=0 :BB=1 :GOSUB 1740
- 1550 H=180 :AA=0 :BB=2 :GOSUB 1740
- 1560 H=240:AA=0 :BB=3 :GOSUB 1740
- 1570 V=80
- 1580 H=60 :AA=1 :BB=0 :GOSUB 1740
- 1590 H=120 :AA=1 :BB=1 :GOSUB 1740
- 1600 H=180:AA=1 :BB=2 :GOSUB 1740
- 1610 H=240:AA=1 :BB=3 :GOSUB 1740
- 1620 V=120
- 1630 H=60 :AA=2 :BB=0 :GOSUB 1740
- 1640 H=120:AA=2 :BB=1 :GOSUB 1740
- 1650 H=180:AA=2 :BB=2 :GOSUB 1740
- 1660 H=240:AA=2 :BB=3 :GOSUB 1740
- 1670 V=160
- 1680 H=60 :AA=3 :BB=0 :GOSUB 1740
- 1690 H=120:AA=3 :BB=1 :GOSUB 1740
- 1700 H=180:AA=3 :BB=2 :GOSUB 1740
- 1710 H=240:AA=3 :BB=3 :GOSUB 1740
- 1720 LOCATE 25,1 :PRINT SPC(79);
- 1730 RETURN
- 1740 REM DRAW BOXES TWICE CHANGE ORDER OF COLLOR
- 1750 FOR B=0 TO 60 STEP 2
- 1760 LINE((H+B),(V+40))-((H+B),(V)),AA
- 1770 LINE((H+B+1),(V+40))-((H+B+1),(V)),BB
- 1780 NEXT B
- 1790 H=H+320
- 1800 FOR B=0 TO 60 STEP 2
- 1810 LINE((H+B),(V+40))-((H+B),(V)),BB
- 1820 LINE((H+B+1),(V+40))-((H+B+1),(V)),AA
- 1830 NEXT B
- 1840 H=H-320
- 1850 RETURN
- 2000 OUT (984),30 : OUT (985),15
- 2010 PRINT " 640 x 200 Black & White Graphics Mode Demonstration"
- 2020 PRINT
- 2030 PRINT
- 2040 PRINT " ************* I N F U L L C O L O R *************"
- 2050 PRINT
- 2060 PRINT " Technique discovered by: JAMES L JOHNSEN"
- 2070 PRINT
- 2080 PRINT " T H E D A Z Z Z L E R Written by James L. Johnsen"
- 2090 PRINT
- 2100 PRINT " 402 Beech Street, Fort Washington, Maryland. 20744 (h) (301) 292-7169"
- 2110 FOR PAUSE = 1 TO 15000 : NEXT PAUSE
- 2120 PRINT
- 2130 PRINT
- 2140 LOCATE 14,26 :PRINT " PRESS THE <ESC> KEY TO QUIT"
- 2150 FOR I=0 TO 7000:NEXT I
- 2160 OUT (984),14:CLS:DIM T1%(70),T2%(70),Q1%(70),Q2%(70)
- 2170 V%=5:X2%=639:H=.5:Y2%=13:X1%=37:Y1%=199:C1=1:WHEREAT%=1:S%=350
- 2180 DEF SEG = &H40:X% = PEEK(&H6C) : DEF SEG
- 2190 RANDOMIZE X%
- 2200 L1% = T1%(WHEREAT%) : J1% = Q1%(WHEREAT%) : L2% = T2%(WHEREAT%) : J2% = Q2%(WHEREAT%)
- 2210 LINE (L1%,J1%)-(L2%,J2%),0
- 2220 IF C1 > 0 THEN 2290
- 2230 C1 = RND (X%) * S% : OUT (985),COLORVAL
- 2240 X3% = - V% : X4% = - V% : Y3% = - V% : Y4% = - V%
- 2250 IF RND(Y) > H THEN X3% = V%
- 2260 IF RND(X%) > H THEN X4% = V%
- 2270 IF RND(X%) > H THEN Y3% = V%
- 2280 IF RND(X%) > H THEN Y4% = V%
- 2290 X1% = X1% + X3%
- 2300 IF X1% < 1 OR X1% > 639 THEN X3% = - X3% : GOTO 2290
- 2310 T1% (WHEREAT%) = X1%
- 2320 X2% = X2% + X4%
- 2330 IF X2% < 1 OR X2% > 639 THEN X4% = - X4% : GOTO 2320
- 2340 T2%(WHEREAT%) = X2%
- 2350 Y1% = Y1% + Y3%
- 2360 IF Y1% < 1 OR Y1% > 199 THEN Y3% = - Y3% : GOTO 2350
- 2370 Q1%(WHEREAT%)=Y1%
- 2380 Y2% = Y2% + Y4%
- 2390 IF Y2% < 1 OR Y2% > 199 THEN Y4% = - Y4% : GOTO 2380
- 2400 Q2% (WHEREAT%) = Y2%
- 2410 L1% = T1%(WHEREAT%) : J1% = Q1%(WHEREAT%) : L2% = T2%(WHEREAT%) : J2% = Q2%(WHEREAT%)
- 2420 LINE (L1%,J1%)-(L2%,J2%),1
- 2430 WHEREAT% = WHEREAT% + 1
- 2440 IF WHEREAT% >= 70 THEN WHEREAT% = 1
- 2450 C1 = C1 - 1
- 2460 COLORVAL = COLORVAL + 1 : IF COLORVAL > = 64 THEN COLORVAL = 1
- 2470 QUITT$ = INKEY$ : IF QUITT$ = "" THEN GOTO 2180
- 2480 CLS: SCREEN 0,0,0 : WIDTH 80:COLOR 15,0,0:CLS
- 2490 END 'SYSTEM