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jsbasic/samples/sample.blackhole.txt

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100 REM ***********************
110 REM S.M.COMPTON.
120 REM BLACKHOLE.
130 REM 12-12-79.
140 REM ***********************
150 DIM EX(34),EY(34)
160 XOLD = 139:YOLD = 76
170 T1 = 0:T2 = 0
180 GOSUB 2570: REM NAME AND DATE PRINTER.
190 GOSUB 2300: REM INSTRUCTIONS.
200 GOSUB 280: REM CONSTRUCT SCREEN.
210 GOSUB 480: REM DRAW NEW BALL.
220 GOSUB 650: REM OBTAIN FIRE COORDINATES.
230 GOSUB 920: REM CHECK FOR HIT
240 IF HIT = 0 THEN 210: REM RESTART.
250 GOSUB 1650: REM CONSTRUCT EXPLOSION.
260 GOSUB 1910: REM TALLY SCORE.
270 GOTO 210: REM RESTART.
280 REM ***********************
290 REM CONSTRUCT SCREEN
300 REM ***********************
310 HGR
320 HCOLOR= 6
330 FOR I = 0 TO 278 STEP 2
340 HPLOT I,0 TO I,159
350 NEXT I
360 HCOLOR= 4
370 HPLOT 84,159 TO 96,159
380 HPLOT 86,158 TO 94,158
390 HPLOT 88,157 TO 92,157
400 HPLOT 182,159 TO 194,159
410 HPLOT 184,158 TO 192,158
420 HPLOT 186,157 TO 190,157
430 HOME
440 FOR I = 1 TO 21: PRINT : NEXT I
450 PRINT TAB( 10)"BATTERY 1"; TAB( 24)"BATTERY 2"
460 PRINT TAB( 13)T1, TAB( 27)T2
470 RETURN
480 REM ***********************
490 REM DRAW NEW BALL
500 REM ***********************
510 X = INT (139 * RND (1) + 1)
520 X = 2 * X - 1
530 Y = INT (156 * RND (1) + 1)
540 HCOLOR= 6
550 HPLOT XOLD - 1,YOLD - 1 TO XOLD - 1,YOLD + 1
560 HPLOT XOLD + 1,YOLD - 1 TO XOLD + 1,YOLD + 1
570 HCOLOR= 6
580 HPLOT XOLD - 1,YOLD - 1 TO XOLD - 1,YOLD + 1
590 HPLOT XOLD + 1,YOLD - 1 TO XOLD + 1,YOLD + 1
600 HCOLOR= 4
610 HPLOT X - 1,Y - 1 TO X - 1,Y + 1
620 HPLOT X + 1,Y - 1 TO X + 1,Y + 1
630 XOLD = X:YOLD = Y
640 RETURN
650 REM ***********************
660 REM OBTAIN FIRE COORDINATES
670 REM ***********************
680 FOR I = 1 TO 50
690 IF PEEK ( - 16287) > 127 THEN 740
700 IF PEEK ( - 16286) > 127 THEN 830
710 NEXT I
720 B1 = 0:B2 = 0
730 RETURN
740 B1 = 180 - PDL (0) / 1.417
750 IF B1 < 0 THEN B1 = 0
760 IF B1 > 180 THEN B1 = 180
770 B2 = 0
780 IF B1 < > 90 THEN 800
790 B1 = 89.9999
800 M = TAN (B1 / 180 * 3.14159)
810 B = 156 + M * 90
820 RETURN
830 B2 = 180 - PDL (1) / 1.417
840 IF B2 < 0 THEN B2 = 0
850 IF B2 > 180 THEN B2 = 180
860 B1 = 0
870 IF B2 < > 90 THEN 890
880 B2 = 89.9999
890 M = TAN (B2 / 180 * 3.14159)
900 B = 156 + M * 188
910 RETURN
920 REM ***********************
930 REM CHECK FOR HIT
940 REM ***********************
950 IF B1 < > 0 THEN 990
960 IF B2 < > 0 THEN 1320
970 HIT = 0
980 RETURN
990 HCOLOR= 5
1000 IF (( - M * (X + 4) + B) > Y) AND (( - M * (X - 4) + B) < Y) THEN 1250
1010 HIT = 0
1020 IF B1 > 39.5361906 THEN 1100
1030 XS = 279
1040 YS = INT ( - M * 279 + B)
1050 HPLOT 90,156 TO XS,YS
1060 FOR I = 1 TO 10:SB = PEEK ( - 16336): NEXT I
1070 HCOLOR= 6
1080 HPLOT 90,156 TO XS,YS
1090 RETURN
1100 IF B1 > 119.981589 THEN 1180
1110 YS = 0
1120 XS = INT (B / M)
1130 HPLOT 90,156 TO XS,YS
1140 FOR I = 1 TO 10:SB = PEEK ( - 16336): NEXT I
1150 HCOLOR= 6
1160 HPLOT 90,156 TO XS,YS
1170 RETURN
1180 XS = 0
1190 YS = INT (B)
1200 HPLOT 90,156 TO XS,YS
1210 FOR I = 1 TO 10:SB = PEEK ( - 16336): NEXT I
1220 HCOLOR= 6
1230 HPLOT 90,156 TO XS,YS
1240 RETURN
1250 HIT = 1
1260 HPLOT 90,156 TO X,Y
1270 FOR I = 1 TO 5:SB = PEEK ( - 16336): NEXT I
1280 HCOLOR= 6
1290 FOR I = 1 TO 10: NEXT I
1300 HPLOT 90,156 TO X,Y
1310 RETURN
1320 HCOLOR= 5
1330 IF (( - M * (X + 4) + B) > Y) AND (( - M * (X - 4) + B) < Y) THEN 1580
1340 HIT = 0
1350 IF B2 > 59.7436134 THEN 1430
1360 XS = 279
1370 YS = INT ( - M * 279 + B)
1380 HPLOT 188,156 TO XS,YS
1390 FOR I = 1 TO 10:SB = PEEK ( - 16336): NEXT I
1400 HCOLOR= 6
1410 HPLOT 188,156 TO XS,YS
1420 RETURN
1430 IF B2 > 140.314512 THEN 1510
1440 YS = 0
1450 XS = INT (B / M)
1460 HPLOT 188,156 TO XS,YS
1470 FOR I = 1 TO 10:SB = PEEK ( - 16336): NEXT I
1480 HCOLOR= 6
1490 HPLOT 188,156 TO XS,YS
1500 RETURN
1510 XS = 0
1520 YS = B
1530 HPLOT 188,156 TO XS,YS
1540 FOR I = 1 TO 10:SB = PEEK ( - 16336): NEXT I
1550 HCOLOR= 6
1560 HPLOT 188,156 TO XS,YS
1570 RETURN
1580 HIT = 1
1590 HPLOT 188,156 TO X,Y
1600 FOR I = 1 TO 5:SB = PEEK ( - 16336): NEXT I
1610 FOR I = 1 TO 10: NEXT I
1620 HCOLOR= 6
1630 HPLOT 188,156 TO X,Y
1640 RETURN
1650 REM **********************
1660 REM CONSTRUCT EXPLOSION
1670 REM **********************
1680 FOR I = 1 TO 10
1690 ES = PEEK ( - 16336) - PEEK ( - 16336)
1700 NEXT I
1710 HCOLOR= 6
1720 HPLOT X,Y
1730 HPLOT X + 1,Y - 1
1740 HCOLOR= 4
1750 FOR J = 4 TO 33
1760 RX = ( - 1) ^ INT (6 * RND (1) + 1)
1770 RY = ( - 1) ^ INT (6 * RND (1) + 1)
1780 XE = X + RX * INT (J / 2 * RND (1) + 1)
1790 YE = Y + RY * INT (J / 2 * RND (1) + 1)
1800 IF XE < 0 OR XE > 279 THEN 1780
1810 IF YE < 0 OR YE > 156 THEN 1790
1820 HPLOT XE,YE
1830 EX(J) = XE
1840 EY(J) = YE
1850 NEXT J
1860 HCOLOR= 6
1870 FOR J = 4 TO 33
1880 HPLOT EX(J),EY(J)
1890 NEXT J
1900 RETURN
1910 REM **********************
1920 REM TALLY SCORE.
1930 REM **********************
1940 IF B1 < > 0 THEN 2100
1950 T2 = T2 + 1
1960 IF T2 = 10 THEN 1990
1970 GOSUB 2250
1980 RETURN
1990 HOME
2000 FOR I = 1 TO 21: PRINT : NEXT I
2010 PRINT TAB( 10)"BATTERY 1" TAB( 24)"BATTERY 2"
2020 PRINT TAB( 10)"** BATTERY 2 WINS !! **"
2030 FOR I = 1 TO 2000: NEXT I
2040 HOME
2050 FOR I = 1 TO 21: PRINT : NEXT I
2060 PRINT TAB( 10)"BATTERY 1" TAB( 24)"BATTERY 2"
2070 T1 = 0:T2 = 0
2080 PRINT TAB( 13)T1 TAB( 27)T2
2090 RETURN
2100 T1 = T1 + 1
2110 IF T1 = 10 THEN 2140
2120 GOSUB 2250
2130 RETURN
2140 HOME
2150 FOR I = 1 TO 21: PRINT : NEXT I
2160 PRINT TAB( 10)"BATTERY 1" TAB( 24)"BATTERY 2"
2170 PRINT TAB( 10)"** BATTERY 1 WINS !! **"
2180 FOR I = 1 TO 2000: NEXT I
2190 T1 = 0:T2 = 0
2200 HOME
2210 FOR I = 1 TO 21: PRINT : NEXT I
2220 PRINT TAB( 10)"BATTERY 1" TAB( 24)"BATTERY 2"
2230 PRINT TAB( 13)T1 TAB( 27)T2
2240 RETURN
2250 HOME
2260 FOR I = 1 TO 21: PRINT : NEXT I
2270 PRINT TAB( 10)"BATTERY 1" TAB( 24)"BATTERY 2"
2280 PRINT TAB( 13)T1 TAB( 27)T2
2290 RETURN
2300 REM **********************
2310 REM INSTRUCTIONS
2320 REM **********************
2330 HOME
2340 PRINT TAB( 11)"** BLACKHOLE **"
2350 PRINT
2360 PRINT "BLACKHOLE IS A GAME FOR ONE OR TWO PLA-"
2370 PRINT "YERS USING THE PADDLES. PADDLE 0 IS "
2380 PRINT "ASSIGNED TO ARTILLARY BATTERY #1 AND"
2390 PRINT "PADDLE 1 IS ASSIGNED TO ARTILLARY BAT-"
2400 PRINT "TERY #2. EACH PADDLE CONTROLS THE ANGLE"
2410 PRINT "OF FIRE AS WELL AS THE FIRING OF A LAS-"
2420 PRINT "ER FROM ITS RESPECTIVE BATTERY. THE OB-"
2430 PRINT "JECT IS TO FIRE YOUR LASER THROUGH ONE"
2440 PRINT "OF THE BLACKHOLES THAT APPEAR AT RANDOM"
2450 PRINT "ABOVE THE BATTERIES."
2460 PRINT
2470 PRINT "RATHER THAN COMPETE FOR THE OPPORTUNITY"
2480 PRINT "TO FIRE YOUR LASER, IT IS RECOMMENDED"
2490 PRINT "THAT THE PLAYERS AGREE TO FIRE TEN"
2500 PRINT "ROUNDS APIECE IN SEQUENCE."
2510 PRINT
2520 PRINT "PRESS <CTRL-C> TO TERMINATE EXECUTION."
2530 PRINT
2540 PRINT "PRESS ANY KEY TO BEGIN."
2550 GET ZZ$
2560 RETURN
2570 REM **********************
2580 REM NAME AND DATE PRINTER
2590 REM **********************
2600 HOME
2610 FOR WZ = 1 TO 22
2620 IF (WZ = 1) OR (WZ = 22) THEN 2650
2630 PRINT "*" TAB( 40)"*";
2640 GOTO 2660
2650 FOR MZ = 1 TO 40: PRINT "*";: NEXT MZ
2660 NEXT WZ
2670 NZ$ = "S.M.COMPTON"
2680 DZ$ = "12-12-79"
2690 GZ$ = "BLACKHOLE"
2700 SZ = - 16336
2710 VTAB 9
2720 HTAB 15
2730 FOR WZ = 1 TO 11
2740 PRINT MID$ (NZ$,WZ,1);
2750 SOUND = PEEK (SZ) - PEEK (SZ) + PEEK (SZ) - PEEK (SZ) + PEEK (SZ) - PEEK (SZ)
2760 FOR MZ = 1 TO 150: NEXT MZ
2770 NEXT WZ
2780 VTAB 11
2790 HTAB 16
2800 FOR WZ = 1 TO 8
2810 PRINT MID$ (DZ$,WZ,1);
2820 SOUND = PEEK (SZ) - PEEK (SZ) + PEEK (SZ) - PEEK (SZ) + PEEK (SZ) - PEEK (SZ)
2830 FOR MZ = 1 TO 150: NEXT MZ
2840 NEXT WZ
2850 VTAB 13
2860 HTAB 16
2870 FOR WZ = 1 TO 9
2880 PRINT MID$ (GZ$,WZ,1);
2890 SOUND = PEEK (SZ) - PEEK (SZ) + PEEK (SZ) - PEEK (SZ) + PEEK (SZ) - PEEK (SZ)
2900 FOR MZ = 1 TO 150: NEXT MZ
2910 NEXT WZ
2920 FOR WZ = 1 TO 500: NEXT WZ
2930 RETURN
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