ChatGPT - TTT C64.txt

10 rem tic tac toe - c64 basic
20 rem learning edition
30 rem by openai
40 rem
50 rem initialize the game board
60 dim board(3,3)
70 for row=1 to 3
80 for col=1 to 3
90 board(row,col)=" "
100 next col
110 next row
120 rem
130 rem display the game board
140 print "tic tac toe": print
150 print " 1 | 2 | 3 "
160 print "---+--+--"
170 print " 4 | 5 | 6 "
180 print "---+--+--"
190 print " 7 | 8 | 9 "
200 rem
210 rem main game loop
220 for turn=1 to 9
230 rem determine who's turn it is
240 if (turn mod 2)=0 then 260
242 print "do you want to play with x or o? (x/o)"
244 input xo
246 if xo="x" then player="x" else player="o"
250 player="x"
260 else
270 player="o"
280 end if
290 rem
300 rem get player's move
310 print "player "; player; " turn. enter move (1-9): ";
320 input move
330 rem
340 rem validate move
350 if move < 1 or move > 9 then print "invalid move. please enter a number between 1 and 9.": goto 310
360 row=int((move-1)/3)
370 col=move-3*(row-1)
380 if board(row,col)<>" " then 310
400 board(row,col)=player
410 rem
420 rem display game board
430 print "tic tac toe": print
440 print " "; board(1,1); " | "; board(1,2); " | "; board(1,3); " "
450 print "---+--+--"
460 print " "; board(2,1); " | "; board(2,2); " | "; board(2,3); " "
470 print "---+--+--"
480 print " "; board(3,1); " | "; board(3,2); " | "; board(3,3); " "
490 rem
500 rem check for win
510 if (board(1,1)=player and board(2,2)=player and board(3,3)=player) or _
520 (board(1,3)=player and board(2,2)=player and board(3,1)=player) or _
530 (board(1,1)=player and board(1,2)=player and board(1,3)=player) or _
540 (board(2,1)=player and board(2,2)=player and board(2,3)=player) or _
550 (board(3,1)=player and board(3,2)=player and board(3,3)=player) or _
580 (board(1,2)=player and board(2,2)=player and board(3,2)=player) then
590 print "player "; player; " wins!"
600 goto 620
610 end if
620 rem
630 next turn
640 rem
650 rem check for draw
660 if turn = 9 then
670 print "it's a draw!"
680 end if
690 rem
700 rem add learning feature for board
710 rem store the previous move in a list
720 dim moves(9,3)
730 for i=1 to 9
740 moves(i,1)=i
750 next i
760 rem
770 rem store the outcome of the previous games in a list
780 dim outcomes(9)
790 rem
800 rem update the list after each game
810 outcome=-1
820 if turn=9 then outcome=0
830 if board(1,1)=player and board(2,2)=player and board(3,3)=player then outcome=1
840 if board(1,3)=player and board(2,2)=player and board(3,1)=player then outcome=1
850 if board(1,1)=player and board(1,2)=player and board(1,3)=player then outcome=1
860 if board(2,1)=player and board(2,2)=player and board(2,3)=player then outcome=1
870 if board(3,1)=player and board(3,2)=player and board(3,3)=player then outcome=1
880 if board(1,2)=player and board(2,2)=player and board(3,2)=player then outcome=1
890 rem
900 rem add the outcome to the list of outcomes
910 for i=8 to 1 step -1
920 outcomes(i)=outcomes(i)
930 next i
940 outcomes(1)=outcome
950 rem
960 rem make the computer player smarter by learning from its mistakes
970 if player="o" then
980 rem check the outcomes of the previous moves
990 bestmove=0
1000 bestoutcome=-1
1010 for i=1 to 9
1020 if board(int((moves(i,1)-1)/3),moves(i,1)-3*(int((moves(i,1)-1)/3)1))=" " then
1030 if outcomes(i)>bestoutcome then
1040 bestmove=moves(i,1)
1050 bestoutcome=outcomes(i)
1060 end if
1070 end if
1080 next i
1090 move=bestmove
1100 end if
1110 rem
1120 rem repeat the main game loop
1130 goto 220
1140 rem
1150 end