100 ' **********************************************"
110 ' **********************************************
120 ' **                                          **
130 ' **            CONNECT THE DOTS              **
140 ' **                                          **
150 ' **             by Chuck Lund                **
160 ' **                                          **
170 ' **         originally appeared in           **
180 ' **           Creative Computing             **
190 ' **              Jan/Feb 1976                **
200 ' **                                          **
210 ' **         Modified for use on the          **
220 ' **           OSBORNE 1 Computer             **
230 ' **                  by                      **
240 ' **              ALEX MORALES                **
250 ' **             (213) 969-4921               **
260 ' **                                          **
270 ' **********************************************
280 ' **********************************************
290 GR$=CHR$(27)+"g"        'GRAPHICS MODE
300 NG$=CHR$(27)+"G"        'END GRAPHICS MODE
310 HI$=CHR$(27)+CHR$(41)   'HALF INTENSITY MODE
320 NI$=CHR$(27)+CHR$(40)   'NORMAL INTENSITY MODE
330 ' 61440 IS THE START OF SCREEN RAM
340 GOSUB 2230
350 PRINT CHR$(26);"INITIALIZING...":IF X$="Y" THEN ERASE A,X,Y
360 DIM A(12,12),X(9,9),Y(9,9)
370 V=0:GOSUB 2120
380 FOR R=1 TO 12
390 FOR C=1 TO 12
400 IF R/2=INT(R/2) THEN 440
410 IF C/2=INT(C/2) THEN 440
420 A(R,C)=-50
430 GOTO 450
440 A(R,C)=0
450 NEXT C,R
460 IF V=1 THEN 480
470 PRINT CHR$(26)
480 GOSUB 1210
490 PRINT:PRINT"YOUR MOVE..."
500 GOSUB 1480
510 A(X,Y)=50
520 IF X/2=INT(X/2) THEN 590
530 IF A(X-2,Y)+A(X-1,Y+1)+A(X-1,Y-1)<>150 THEN 560
540 P=1
550 A(X-1,Y)=1
560 IF A(X+2,Y)+A(X+1,Y+1)+A(X+1,Y-1)<>150 THEN 650
570 A(X+1,Y)=1
580 GOTO 480
590 IF A(X,Y-2)+A(X+1,Y-1)+A(X-1,Y-1)<>150 THEN 620
600 A(X,Y-1)=1
610 P=1
620 IF A(X,Y+2)+A(X+1,Y+1)+A(X-1,Y+1)<>150 THEN 650
630 A(X,Y+1)=1
640 GOTO 480
650 IF P=1 THEN 480
660 GOSUB 1210
670 PRINT:PRINT"MY MOVE...  "
680 FOR R=4 TO 10 STEP 2
690 FOR C=4 TO 10 STEP 2
700 IF A(R-1,C)+A(R+1,C)+A(R,C-1)+A(R,C+1)<>150 THEN 890
710 A(R,C)=-1
720 IF A(R-1,C)<>0 THEN 760
730 A(R-1,C)=50
740 IF A(R-3,C)+A(R-2,C-1)+A(R-2,C+1)<>150 THEN 660
750 A(R-2,C)=-1
760 IF A(R+1,C)<>0 THEN 800
770 A(R+1,C)=50
780 IF A(R+3,C)+A(R+2,C-1)+A(R+2,C+1)<>150 THEN 660
790 A(R+2,C)=-1
800 IF A(R,C-1)<>0 THEN 840
810 A(R,C-1)=50
820 IF A(R,C-3)+A(R-1,C-2)+A(R+1,C+2)<>150 THEN 660
830 A(R,C-2)=-1
840 IF A(R,C+1)<>0 THEN 660
850 A(R,C+1)=50
860 IF A(R,C+3)+A(R-1,C+2)+A(R+1,C+2)<>150 THEN 660
870 A(R,C+2)=-1
880 GOTO 660
890 NEXT C,R
900 IF E>1 THEN 950
910 IF A(12-X,12-Y)<>0 THEN 950
920 A(12-X,12-Y)=50
930 IF E>1 THEN 1080
940 GOTO 480
950 FOR R=3 TO 9
960 FOR C=3 TO 9
970 IF (R+C)/2=INT((R+C)/2) THEN 1060
980 IF A(R,C)<>0 THEN 1060
990 IF R/2=INT(R/2) THEN 1040
1000 IF A(R-2,C)+A(R-1,C-1)+A(R-1,C+1)=100 THEN 1060
1010 IF A(R+2,C)+A(R+1,C-1)+A(R+1,C+1)=100 THEN 1060
1020 A(R,C)=50
1030 GOTO 480
1040 IF A(R,C-2)+A(R-1,C-1)+A(R+1,C-1)=100 THEN 1060
1050 IF A(R,C+2)+A(R-1,C+2)+A(R+1,C+1)<>100 THEN 1020
1060 NEXT C,R
1070 IF E>1 THEN 910
1080 R=INT(RND*7)+3
1090 C=INT(RND*7)+3
1100 IF R/2=INT(R/2) THEN 1130
1110 IF C/2=INT(C/2) THEN 1150
1120 GOTO 1080
1130 IF C/2<>INT(C/2) THEN 1150
1140 GOTO 1080
1150 IF A(R,C)<>0 THEN 1080
1160 A(R,C)=50
1170 GOTO 480
1180 PRINT:PRINT"PLAY AGAIN? (Y/N) ";:X$=INPUT$(1)
1190 IF X$="Y" THEN 350
1200 PRINT X$:END
1210 P=0:D=0:E=0
1220 FOR R=3 TO 9
1230 ON R-2 GOSUB 1250,1260,1250,1260,1250,1260,1250
1240 NEXT:GOTO 1370
1250 A$(R-2)=GR$+CHR$(13)+STRING$(6,(32+((A(R,4)=50)*10)))+CHR$(13)+STRING$(6,(32+((A(R,6)=50)*10)))+CHR$(13)+STRING$(6,(32+((A(R,8)=50)*10)))+CHR$(13)+NG$:RETURN
1260 A$(R-2)=GR$+CHR$(32+((A(R,3)=50)*10))+NG$
1270 IF A(R,4)=1 THEN A$(R-2)=A$(R-2)+HI$+"PLAYER"+NI$:E=E+1:GOTO 1290
1280 IF A(R,4)=-1 THEN A$(R-2)=A$(R-2)+HI$+" COMP "+NI$:D=D+1 ELSE A$(R-2)=A$(R-2)+"      "
1290 A$(R-2)=A$(R-2)+GR$+CHR$(32+((A(R,5)=50)*10))+NG$
1300 IF A(R,6)=1 THEN A$(R-2)=A$(R-2)+HI$+"PLAYER"+NI$:E=E+1:GOTO 1320
1310 IF A(R,6)=-1 THEN A$(R-2)=A$(R-2)+HI$+" COMP "+NI$:D=D+1 ELSE A$(R-2)=A$(R-2)+"      "
1320 A$(R-2)=A$(R-2)+GR$+CHR$(32+((A(R,7)=50)*10))+NG$
1330 IF A(R,8)=1 THEN A$(R-2)=A$(R-2)+HI$+"PLAYER"+NI$:E=E+1:GOTO 1350
1340 IF A(R,8)=-1 THEN A$(R-2)=A$(R-2)+HI$+" COMP "+NI$:D=D+1 ELSE A$(R-2)=A$(R-2)+"      "
1350 A$(R-2)=A$(R-2)+GR$+CHR$(32+((A(R,9)=50)*10))+NG$
1360 RETURN
1370 PRINT CHR$(&H1E)
1380 FOR XXX=1 TO 7
1390 IF XXX MOD 2 = 0 THEN 1410
1400 PRINT TAB(15);A$(XXX):GOTO 1440
1410 FOR YYY=1 TO 3
1420 PRINT TAB(15);A$(XXX)
1430 NEXT YYY
1440 NEXT XXX
1450 IF E>=5 THEN PRINT:PRINT"YOU WON!       ":PRINT:GOTO 1180
1460 IF D>=5 THEN PRINT:PRINT"I WON!         ":PRINT:GOTO 1180
1470 RETURN
1480 FOR R=3 TO 9
1490 FOR C=3 TO 9
1500 IF X(R,C)=0 THEN 1520
1510 IF A(R,C)=0 THEN 1530
1520 NEXT C,R
1530 XX=X(R,C):YY=Y(R,C)
1540 POKE 61440!+XX+128*YY,0
1550 M$=INPUT$(1)
1560 IF M$=CHR$(8) THEN GOSUB 1620
1570 IF M$=CHR$(10) THEN GOSUB 1730
1580 IF M$=CHR$(11) THEN GOSUB 1860
1590 IF M$=CHR$(12) THEN GOSUB 2010
1600 IF M$=CHR$(13) THEN X=R:Y=C:RETURN
1610 GOTO 1540
1620 IF XX=14 AND (YY=3 OR YY=7 OR YY=11) THEN PRINT CHR$(7);:RETURN
1630 IF XX=17 AND (YY=1 OR YY=5 OR YY=9 OR YY=13) THEN PRINT CHR$(7);:RETURN
1640 IF (YY=1 OR YY=5 OR YY=9 OR YY=13) THEN 1690
1650 CC=C-2
1660 IF CC>=3 THEN 1670 ELSE PRINT CHR$(7);:RETURN
1670 IF A(R,CC)<>0 THEN CC=CC-2:GOTO 1660
1680 POKE 61440!+XX+128*YY,32:C=CC:XX=X(R,C):RETURN
1690 CC=C-2
1700 IF CC>=4 THEN 1710 ELSE PRINT CHR$(7);:RETURN
1710 IF A(R,CC)<>0 THEN CC=CC-2:GOTO 1700
1720 GOTO 1680
1730 RR=R
1740 IF RR>8 THEN PRINT CHR$(7);:RETURN
1750 IF (RR=4 OR RR=6 OR RR=8) THEN 1790
1760 RR=RR+1:FOR CC=3 TO 9 STEP 2
1770 IF A(RR,CC)<>50 THEN 1840
1780 NEXT CC
1790 RR=RR+1
1800 FOR CC=4 TO 8 STEP 2
1810 IF A(RR,CC)<>50 THEN 1840
1820 NEXT CC
1830 R=R+1:GOTO 1740
1840 POKE 61440!+XX+128*YY,32:R=RR:C=CC:XX=X(R,C):YY=Y(R,C)
1850 RETURN
1860 RR=R
1870 RR=RR-1
1880 IF RR<3 THEN PRINT CHR$(7);:RETURN
1890 IF (RR=3 OR RR=5 OR RR=7 OR RR=9) THEN 1940
1900 FOR CC=3 TO 9 STEP 2
1910 IF A(RR,CC)<>50 THEN 1990
1920 NEXT CC
1930 RR=RR-1
1940 FOR CC=4 TO 8 STEP 2
1950 IF A(RR,CC)<>50 THEN 1990
1960 NEXT CC
1970 RR=RR-1
1980 GOTO 1880
1990 POKE 61440!+XX+128*YY,32:R=RR:C=CC:XX=X(R,C):YY=Y(R,C)
2000 RETURN
2010 IF XX=35 AND (YY=3 OR YY=7 OR YY=11) THEN PRINT CHR$(7);:RETURN
2020 IF XX=31 AND (YY<=1 OR YY=5 OR YY=9 OR YY=13) THEN PRINT CHR$(7);:RETURN
2030 IF (YY=1 OR YY=5 OR YY=9 OR YY=13) THEN 2080
2040 CC=C+2
2050 IF CC<=9 THEN 2060 ELSE PRINT CHR$(7);:RETURN
2060 IF A(R,CC)<>0 THEN CC=CC+2:GOTO 2050
2070 POKE 61440!+XX+128*YY,32:C=CC:XX=X(R,C):RETURN
2080 CC=C+2
2090 IF CC<=8 THEN 2100 ELSE PRINT CHR$(7);:RETURN
2100 IF A(R,CC)<>0 THEN CC=CC+2:GOTO 2090
2110 GOTO 2070
2120 J=1
2130 FOR I=3 TO 9 STEP 2
2140 X(I,4)=17:Y(I,4)=J
2150 X(I,6)=24:Y(I,6)=J
2160 X(I,8)=31:Y(I,8)=J:J=J+2
2170 IF I=9 THEN RETURN
2180 X(I+1,3)=14:Y(I+1,3)=J
2190 X(I+1,5)=21:Y(I+1,5)=J
2200 X(I+1,7)=28:Y(I+1,7)=J
2210 X(I+1,9)=35:Y(I+1,9)=J:J=J+2
2220 NEXT I
2230 PRINT CHR$(26)
2240 PRINT"THIS PROGRAM WILL PLAY CONNECT THE DOTS WITH YOU."
2250 PRINT:PRINT"THE GAME IS PLAYED ON A 4 x 4 ARRAY.  WHEN YOU"
2260 PRINT"WANT TO MAKE A MOVE, USE THE FOUR ARROW KEYS TO"
2270 PRINT"MOVE THE CURSOR TO THE SPACE BETWEEN TWO DOTS YOU"
2280 PRINT"WANT TO CONNECT.  ONCE YOU HAVE DECIDED ON YOUR"
2290 PRINT"MOVE, PRESS <RETURN> AND THE COMPUTER WILL DRAW"
2300 PRINT"THE LINE BETWEEN THE TWO DOTS.  WHEN YOU HAVE"
2310 PRINT"COMPLETED A SQUARE, THAT SQUARE IS YOURS AND YOU"
2320 PRINT"MAY TAKE ANOTHER TURN."
2330 PRINT:PRINT"THE GAME ENDS WHEN EITHER YOU OR THE COMPUTER HAVE"
2340 PRINT"COMPLETED 5 SQUARES."
2350 PRINT:PRINT:PRINT"Hit <RETURN> to start... ";
2360 RS$=INKEY$:IF RS$="" THEN RS=RS+1:GOTO 2360
2370 IF RS>32767 THEN RS=RS-32767:GOTO 2370
2380 RANDOMIZE RS:RETURN