OXO ís€í‹ïÿ9êNoughts & Crosses by Mark Pickford from Sinclair User, Mar'87 Noughts and Crosses is an extre-mely simple example of basic artificial intelligence. Type itin and try to beat the computer at its own game. Full instruct- ions are enclosed in the program *********************** ê* * ê* NOUGHTS AND CROSSES * ê* MARK PICKFORD 1986 * ê* * ê*********************** ù ô236099\,35# éb(3):éc(3) ëf=1Ì3:ãb(f):óf (ëf=1Ì3:ãc(f):óf Pä546,98b,142Ž Zä35#,77M,122z _ í6000p aû dí8000@:êGRID Þ éa(3,3):él(8) èî"CO-ORDINATES";x,y òkúx<1Åx>3ÅxɺxÅy<1Åy>3ÅyɺyËõ¬21,3;"OUT OF RANGE TRY AGAIN":ì1000è ÷Aúa(x,y)>0Ëõ¬21,3;"POSITION FILLED":ì1000è ù,õ¬21,3;" " üñx$="X":ñsc=1 lúx$="X"Ëöb(x),c(y):üÙ2;35#,35#:öb(x)+35#,c(y):üÙ2;-35#,35#:ì1040  /ØÙ0;b(x)+17,c(y)+17,17  ña(x,y)=sc ñl(x)=l(x)+sc $ñl(y+3)=l(y+3)+sc .úx=yËñl(7)=l(7)+sc 8'úx+y=4Ëñl(8)=l(8)+sc ==ú¥>.5ÿÿÿËñr1=8:ñr2=1:ñr3=-1:ì1090B >$ñr1=1:ñr2=8:ñr3=1 B ëz=r1Ìr2Ír3 L%úsc=1Æl(z)=3Ëì90102# M'úsc=10 Æl(z)=30Ëì5000ˆ Vóz [úsc=10 Ëì1000è `êCOMPUTER'S GO e å1137q jñsc=10 :ñx$="O" oëw=1Ì4 pãq q#ä20,2,10 ,1 rñr=¥ s=úr>.5ÿÿÿËñr1=8:ñr2=1:ñr3=-1:ì1143w t$ñr1=1:ñr2=8:ñr3=1 w ëz=r1Ìr2Ír3 ~úl(z)=qËì1170’ ˆóz ‰ów Š+õ¬19,1;"STALEMATE":ì9110–# ’úz>3Ëì1200° œ+ú¥>.5ÿÿÿËëw=1Ì3:ì1190¦ ¡ëw=3Ì1Í-1 ¦&úa(z,w)=0Ëñx=z:ñy=w:ì1030 «ów °úz>6Ëì1240Ø ºëw=1Ì3 Ä6úa(w,z-3)=0Ëñx=w:ñy=z-3:ì1030 Îów Øúz=8Ëì1280 âëw=1Ì3 ì&úa(w,w)=0Ëñx=w:ñy=w:ì1030 öów ëw=1Ì3 6úa(w,4-w)=0Ëñx=w:ñy=4-w:ì1030  ów ‡â ˆ êCOMP WIN ’7õ¬2,2;"HA HA THE COMPUTER WON":ì9110–# pêINSTRUCTIONS z¥Ù1:Ú6:ç6:û:õ¬2,2;"NOUGHTS AND CROSSES ";¬3,2;" ";¬5,2;" MARK PICKFORD 1986" „eõ¬7,2;"DO YOU REQUIRE INSTRUCTIONS?";¬8,2;"(Y OR N)":ò0:ú¦="N"Ŧ="n"Ëþ Žsõ¬7,2;" " ˜Lõ¬7,2;"This is the computer version of Noughts and Crosses." ¢³õ¬9 ,2;"You are CROSSES.";¬10 ,2;"You have to get a line ";¬12 ,4;"diagonally";¬13 ,4;"horizontally";¬14,1;"or vertically" ¬†õ¬16,2;"The first person (YOU or FRED)";¬17,2;"to do this wins";¬18,2;"P.S. FRED is the computer" ¶[õ¬19,2;"You type the co-ordinates of";¬20,2;"where you want to go" À7õ¬21,2;"Press any key to start":ò0:þ @êGRID Jaö502,30:ü0,132„:ü132„,0:ü0,-132„:ü-132„,0 O×.5ÿÿÿ,1 TKü0,44,:ü132„,0:ü0,44,:ü-132„,0 Y×.5ÿÿÿ,3 ^8ü0,44,:ü44,,0:ü0,-132„ c×.5ÿÿÿ,5 h%ü44,,0:ü0,132„ m×.5ÿÿÿ,6 rEõ¬20,8;"1";¬20,14;"2";¬20,20;"3" |Aõ¬4,4;"3";¬9 ,4;"2";¬14,4;"1" #(þ #2ëg=1Ì2 #7 ò40( #