1 PRINT "THIS IS A DEMONSTRATION OF PDP-11 BASIC"
   2 PRINT "IF YOU NEED INSTRUCTIONS FOR PLAYING FOOTBALL, TYPE A 1";
   3 INPUT I
   4 IF I<>1 THEN 34
   5 PRINT
   6 PRINT
   7 PRINT "WHEN IT ASKS YOU A QUESTION TO BE ANSWERED YES OR"
   8 PRINT "NO, TYPE IN 0 FOR NO OR 1 FOR YES."
   9 PRINT
  10 PRINT "ON OFFENSE YOU HAVE THE FOLLOWING PERMITTED PLAYS:"
  11 PRINT "PLAY","CODE"
  12 PRINT "RUN","10"
  13 PRINT "PASS","11"
  14 PRINT "SWEEP","12"
  15 PRINT "SCREEN PASS","13"
  16 PRINT "LONG PASS","14"
  17 PRINT "DRAW PLAY","15"
  18 PRINT "PUNT","16"
  19 PRINT "FIELDGOAL","17"
  20 PRINT
  21 PRINT "ON DEFENSE, YOU MAY TRY ONE OF THE FOLLOWING:"
  22 PRINT "DEFENSE","CODE"
  23 PRINT "NORMAL","4","GOOD AGAINST SWEEP AND SCREEN"
  24 PRINT "HOLD","5","GOOD AGAINST RUN, PASS AND DRAW"
  25 PRINT "BLITZ","6","GOOD AGAINST PASS OR LONG PASS"
  26 PRINT "INTERCEPT","7","INCREASES THE ODDS FOR AN INTERCEPTION"
  27 PRINT "BLOCK","8","GIVES YOU A CHANCE TO BLOCK A KICK,"
  28 PRINT " "," ","BUT DECREASES THE DISTANCE RUNBACK."
  29 PRINT
  30 PRINT "TO CALL A PARTICULAR PLAY JUST TYPE ITS CODE NUMBER."
  31 PRINT "ALSO, AT ANY TIME DURING PLAY YOU MAY CALL TIME OUT"
  32 PRINT "BY TYPING A '2'.  HOWEVER YOU ARE PERMITTED ONLY THREE"
  33 PRINT "TIMEOUTS PER HALF."
  34 PRINT
  35 PRINT
  36 DEF FNT(X)=SIN(X)/COS(X)
  37 DIM R(17)
  38 FOR I=0 TO 17
  39 READ R(I)
  40 NEXT I
  41 DATA 9,13,100,0,9,10,12,11,12,0,1,5,3,4,6,2,8,7
  42 RANDOMIZE
  43 LET F=0
  44 LET Z3=0
  45 LET O=0
  46 LET L=0
  47 DIM Z(5,3),P(2),D(2,5)
  48 FOR A=0 TO 5
  49 FOR B=0 TO 2
  50 READ Z(A,B),D(B,A)\LET P(B)=0
  51 NEXT B
  52 READ Z(A,3)
  53 NEXT A
  54 PRINT "DO YOU WANT TO RECEIVE";
  55 LET X=1
  56 GOSUB 361
  57 LET S=2-SGN(13-Q)
  58 LET K=S
  59 LET T1=120
  60 LET U2=3
  61 LET U=3
  62 LET C=900
  63 GOSUB 225
  64 LET F1=50
  65 LET B=INT(F1+O*20*RND(0)+(1-O)*29*(2-RND(0)^7-RND(0)^(3-Z2)))
  66 LET O=0
  67 LET Z9=8
  68 GOSUB 149
  69 LET L=0
  70 IF B<=99 THEN 234
  71 PRINT "A  TOUCHBACK"
  72 LET B=20
  73 LET L=0
  74 IF S=2 THEN 77
  75 PRINT "MY ";
  76 GOTO 78
  77 PRINT "YOUR ";
  78 GOSUB 329
  79 GOSUB 298
  80 LET D=1
  81 LET F2=.03
  82 LET O=0
  83 IF C<=0 THEN 277
  84 GOSUB 253
  85 LET Z2=1
  86 LET Z3=.3
  87 IF C<=F*T1 THEN 292
  88 IF C<=0 THEN 277
  89 IF L=0 THEN 91
  90 PRINT "TIME TO GO--";
  91 PRINT INT(C/60);"MIN.";C-60*INT(C/60);"SEC.  ";
  92 PRINT "YOUR PLAY";
  93 GOSUB 361
  94 IF S=1 THEN 98
  95 IF Q>8 THEN 92
  96 LET M=Q
  97 GOTO 100
  98 LET Y=Q-8
  99 IF ABS(Q-10.5)^2>3 THEN 92
 100 LET C=INT(C-L*(5+23*RND(X)))
 101 LET L=1
 102 IF M=7 THEN 176
 103 IF M=8 THEN 192
 104 LET Y1=Y-1
 105 IF RND(X)>Z(M-1,Y1) THEN 124
 106 LET A=2
 107 GOSUB 302
 108 IF M<4 THEN 111
 109 PRINT "PASS COMPLETE..";
 110 LET L=SGN(INT(4*RND(0)))
 111 IF RND(X)<F2 THEN 251
 112 IF G>0 THEN 121
 113 IF G=0 THEN 117
 114 IF G+B<1 THEN 217
 115 PRINT "LOSS OF";-G;
 116 GOTO 161
 117 PRINT "NO GAIN"
 118 LET Z9=2
 119 GOSUB 149
 120 GOTO 167
 121 IF B+G>99 THEN 165
 122 PRINT "GAIN OF";G;
 123 GOTO 161
 124 IF M>3 THEN 128
 125 LET A=1
 126 GOSUB 302
 127 GOTO 112
 128 IF RND(X)<.06*(2-SGN(Y-3)) THEN 136
 129 IF RND(0)<.05+INT(Y/3.5)/5 THEN 151
 130 LET Z9=6
 131 GOSUB 149
 132 PRINT "PASS INCOMPLETE"
 133 LET L=0
 134 LET G=0
 135 GOTO 312
 136 PRINT "PASS **INTERCEPTED**";
 137 LET A=1
 138 GOSUB 302
 139 IF B<40 THEN 141
 140 LET G=20*(1+SGN(G))
 141 LET B=100-B-G
 142 LET S=3-S
 143 LET Z9=9
 144 GOSUB 149
 145 IF B<1 THEN 71
 146 IF B>99 THEN 165
 147 PRINT "AT ";
 148 GOTO 236
 149 LET C=C-INT(4+Z9/2*(1+RND(0)))
 150 RETURN
 151 LET G=-(5+INT(10*RND(X)))
 152 PRINT "THE QUATERBACK ";
 153 IF RND(X)>.5 THEN 156
 154 PRINT "IS THROWN FOR A ";
 155 GOTO 111
 156 LET G=-(2*G+8)
 157 LET M=5
 158 LET A=1
 159 PRINT "SCRAMBLES FOR A ";
 160 GOTO 111
 161 LET B=B+G
 162 PRINT "TO ";
 163 GOSUB 330
 164 IF B<=99 THEN 167
 165 GOSUB 199
 166 GOTO 63
 167 IF B1>B THEN 312
 168 IF B1<B THEN 173
 169 IF RND(0)>.5 THEN 173
 170 PRINT "**MEASUREMENT**"
 171 GOSUB 352
 172 IF RND(X)<.5 THEN 312
 173 GOSUB 298
 174 LET D=0
 175 GOTO 312
 176 IF RND(X)<.06 THEN 189
 177 LET B=B+30+INT(15*(1-RND(X)^3))
 178 LET Z9=2
 179 GOSUB 149
 180 IF B<=99 THEN 185
 181 LET P1=3
 182 GOSUB 203
 183 IF P1=0 THEN 71
 184 GOTO 63
 185 PRINT "THE KICK IS ";
 186 LET Z2=0
 187 LET S=3-S
 188 GOTO 234
 189 PRINT "**BLOCKED** RECOVERED..";
 190 LET G=-INT(14*RND(X))
 191 GOTO 141
 192 PRINT "THE PUNT IS ";
 193 IF RND(X)<.06 THEN 189
 194 LET F1=B
 195 LET Z2=1
 196 LET S=3-S
 197 LET Z3=.65
 198 GOTO 65
 199 PRINT "** TOUCHDOWN**"
 200 LET P1=1
 201 LET P(S)=P(S)+6
 202 LET B=130
 203 PRINT "THE KICK IS ";
 204 IF RND(X)<(B/132)^4 THEN 207
 205 LET P1=0
 206 PRINT "NO ";
 207 PRINT "GOOD"
 208 LET P(S)=P(S)+P1
 209 GOSUB 212
 210 LET S=3-S
 211 RETURN
 212 PRINT "SCORE: ME";P(1);" YOU";P(2)
 213 LET L=0
 214 IF X<5 THEN 216
 215 IF P(1)<>P(2) THEN 277
 216 RETURN
 217 PRINT "**SAFETY**"
 218 LET P(3-S)=P(3-S)+2
 219 LET F1=30
 220 LET S=3-S
 221 GOSUB 212
 222 GOSUB 344
 223 PRINT "FROM THE 20"
 224 GOTO 65
 225 GOSUB 344
 226 IF S=2 THEN 233
 227 PRINT "ON-SIDE";
 228 GOSUB 361
 229 IF Q<>13 THEN 233
 230 LET F2=.15
 231 LET Z2=1
 232 LET O=1
 233 RETURN
 234 LET B=100-B
 235 PRINT "RECEIVED AT ";
 236 GOSUB 330
 237 IF Z2*RND(X)>Z3 THEN 249
 238 IF RND(X)<F2 THEN 250
 239 LET G=5+INT(100*RND(0))
 240 IF RND(0)<.15 THEN 243
 241 LET G=INT(24*(1-RND(X)^2))
 242 IF G=0 THEN 249
 243 LET B=8+G
 244 PRINT " AND RUN BACK...";
 245 LET L=1
 246 IF B>99 THEN 165
 247 PRINT " TO ";
 248 GOSUB 330
 249 IF RND(0)>F2 THEN 326
 250 LET G=0
 251 PRINT "**FUMBLE**";
 252 GOTO 141
 253 IF S=1 THEN 256
 254 LET Y=INT(1+3.5*RND(0))
 255 RETURN
 256 LET M=INT(55*RND(0)/10.5)+1
 257 IF (B1-B)/(5-D)<3 THEN 259
 258 LET M=INT(6-4*RND(0)^2)
 259 IF L*F*60>=C THEN 267
 260 IF D<4 THEN 255
 261 PRINT "I'LL ";
 262 IF B<55 THEN 272
 263 IF 0<4*RND(0)-B1+B THEN 275
 264 PRINT "TRY FOR A FIELD GOAL"
 265 LET M=7
 266 RETURN
 267 IF P(2)*U2<=P(1)*U2 THEN 260
 268 PRINT "TIME OUT"
 269 LET U2=U2-1
 270 GOSUB 352
 271 GOTO 260
 272 PRINT "PUNT"
 273 LET M=8
 274 RETURN
 275 PRINT "GO FOR IT"
 276 RETURN
 277 IF X<4 THEN 283
 278 IF P(1)=P(2) THEN 283
 279 PRINT "THE GAME IS OVER"
 280 PRINT "FINAL ";
 281 GOSUB 212
 282 STOP
 283 PRINT "END OF PERIOD";X
 284 GOSUB 212
 285 LET F=1-F
 286 GOSUB 352
 287 LET C=900
 288 LET X=X+1
 289 IF F<>0 THEN 81
 290 LET S=3-K
 291 GOTO 58
 292 IF T1=0 THEN 277
 293 PRINT "2 MINUTE WARNING"
 294 GOSUB 352
 295 LET T1=0
 296 LET C=120
 297 GOTO 88
 298 LET B1=B+10
 299 IF B1<=100 THEN 301
 300 LET B1=100
 301 RETURN
 302 LET Q=1.3*(A*RND(0)-1)-.06
 303 LET A=1
 304 IF Q>=0 THEN 307
 305 LET A=0
 306 LET Q=-Q
 307 LET M1=M-1
 308 LET G=D(A,M1)+FNT(Q)*(D(2,M1)-D(A,M1))/3.5
 309 LET G=G+INT(RND(0)+.02)*A*100*RND(0)
 310 LET G=INT(G)
 311 RETURN
 312 LET D=D+1
 313 IF D=5 THEN 324
 314 IF D<>  1 THEN 316
 315 PRINT "1ST";
 316 IF D<>2 THEN 318
 317 PRINT "2ND";
 318 IF D<>3 THEN 320
 319 PRINT "3RD";
 320 IF D<4 THEN 322
 321 PRINT "4TH";
 322 PRINT " AND";B1-B;"   ";
 323 GOTO 81
 324 LET S=3-S
 325 LET B=100-B
 326 IF S=2 THEN 77
 327 PRINT "MY ";
 328 GOTO 78
 329 PRINT "BALL ON ";
 330 IF B=50 THEN 340
 331 LET V=50-ABS(B-50)
 332 LET C=C-INT(7+3*RND(0))
 333 IF S=1 THEN 342
 334 IF B<50 THEN 337
 335 PRINT "MY ";
 336 GOTO 338
 337 PRINT "YOUR ";
 338 PRINT V
 339 RETURN
 340 PRINT "THE 50"
 341 RETURN
 342 IF B<50 THEN 335
 343 GOTO 337
 344 IF S=2 THEN 347
 345 PRINT "YOU";
 346 GOTO 348
 347 PRINT "I";
 348 PRINT " KICK OFF."
 349 LET F2=.06
 350 LET Z2=0
 351 RETURN
 352 LET L=0
 353 PRINT "TIMEOUT CALLED..."
 354 PRINT
 355 RETURN
 356 IF U=0 THEN 360
 357 LET U=U-1
 358 GOSUB 352
 359 GOTO 361
 360 PRINT "..WRONG, TRY AGAIN"
 361 INPUT A
 362 IF ABS(INT(A))>17 THEN 360
 363 LET Q=R(INT(ABS(A)))
 364 IF Q=0 THEN 360
 365 IF Q=100 THEN 356
 366 RETURN
 367 DATA .5,-2,.25,4,.5,13,.55
 368 DATA .4,-2,.3,7,.65,15,.75
 369 DATA .4,-2,.3,6,.6,15,.35
 370 DATA .65,-2,.65,6,.6,17,.9
 371 DATA .4,2,.7,10,.4,27,.2
 372 DATA .1,19,.4,35,.2,100,.1
 373 END