2024-04-23 03:54:06 -04:00
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10 ' AMAZIN -- DRAW A MAZE UP TO 14 BY 21
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20 ' EDUSYSTEM 50 REFACTORING BY RENAUD FIVET
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90 DEF FNR(R)=INT(RND(1)*R+1)
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100 RANDOMIZE
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110 DIM V(13,20)
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120 PRINT "WHAT ARE YOUR WIDTH AND LENGTH";\ INPUT H,V
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122 PRINT
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130 IF H<2 THEN 132\ IF H>14 THEN 132
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131 IF V<2 THEN 132\ IF V<=21 THEN 150
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132 PRINT "MEANINGLESS DIMENSIONS, TRY AGAIN"
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140 PRINT
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141 GOTO 120
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150 PRINT
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151 PRINT
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160 ' PICK ENTRY CELL ON TOP ROW AND DRAW UPPER WALL
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161 C=H*V ' COUNT OF CELLS LEFT TO FILL
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162 R=FNR(H)-1 ' R,0 TOP ENTRY CELL COORD
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163 H=H-1\ V=V-1 ' COORD IN 0..H,0..V
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170 FOR I=0 TO H
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171 IF I=R THEN 174
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172 PRINT ":--";
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173 GOTO 175
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174 PRINT ": ";
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175 NEXT I
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185 PRINT ":"
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187 ' PICK EXIT CELL ON BOTTOM ROW AS CURRENT
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190 R=FNR(H+1)-1\ S=V ' R,S CURRENT CELL COORD
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192 V(R,S)=2
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2024-04-23 22:06:17 -04:00
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193 GOTO 999
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2024-04-23 03:54:06 -04:00
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209 ' SCAN FOR NEXT POSITION TO CHECK
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210 R=R+1
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215 IF R<=H THEN 250
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220 R=0\ S=S+1
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225 IF S<=V THEN 250
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230 S=0
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250 IF V(R,S)=0 THEN 210
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255 ' CHECK FOR ADJACENT UNMARKED CELLS AND PICK ONE AT RANDOM
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2024-04-23 22:06:17 -04:00
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260 T=1
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261 IF R=0 THEN 262\ IF V(R-1,S)<>0 THEN 262\ T=T+1 ' L
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262 IF S=0 THEN 263\ IF V(R,S-1)<>0 THEN 263\ T=T+2 ' U
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263 IF R=H THEN 264\ IF V(R+1,S)<>0 THEN 264\ T=T+4 ' R
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264 IF S=V THEN 265\ IF V(R,S+1)<>0 THEN 265\ T=T+8 ' D
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265 ' 0, L, U, LU, R, LR, UR,LUR, D, LD, UD,LUD, RD,LRD,URD,LURD
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300 ON T GOTO 210,790,820,370,860,450,590,310,910,500,640,350,710,430,570
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310 ON FNR(3) GOTO 790,820,860 ' LUR
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350 ON FNR(3) GOTO 790,820,910 ' LUD
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370 ON FNR(2) GOTO 790,820 ' LU
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430 ON FNR(3) GOTO 790,860,910 ' LRD
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450 ON FNR(2) GOTO 790,860 ' LR
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500 ON FNR(2) GOTO 790,910 ' LD
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570 ON FNR(3) GOTO 820,860,910 ' URD
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590 ON FNR(2) GOTO 820,860 ' UR
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640 ON FNR(2) GOTO 820,910 ' UD
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710 ON FNR(2) GOTO 860,910 ' RD
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720 '
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790 ' REMOVE LEFT WALL
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800 R=R-1\ V(R,S)=3\ GOTO 999
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820 ' REMOVE UP WALL
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2024-04-23 22:06:17 -04:00
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830 S=S-1\ V(R,S)=2\ GOTO 999
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860 ' REMOVE RIGHT WALL
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870 V(R,S)=V(R,S)+2\ R=R+1\ GOTO 998
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2024-04-23 03:54:06 -04:00
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910 ' REMOVE DOWN WALL
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922 V(R,S)=V(R,S)+1\ S=S+1
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998 V(R,S)=1
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2024-04-23 03:54:06 -04:00
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999 C=C-1\ IF C>0 THEN 260 ' LOOP WHILE C
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1000 ' DRAW MAZE
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1010 FOR J=0 TO V
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1011 PRINT "I";
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1012 FOR I=0 TO H
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1013 IF V(I,J)<3 THEN 1030
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1020 PRINT " ";
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1021 GOTO 1040
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1030 PRINT " I";
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1040 NEXT I
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1041 PRINT
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1043 FOR I=0 TO H
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1045 IF V(I,J)<=1 THEN 1060
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1050 IF V(I,J)=3 THEN 1060
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1051 PRINT ": ";
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1052 GOTO 1070
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1060 PRINT ":--";
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1070 NEXT I
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1071 PRINT ":"
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1072 NEXT J
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1073 END
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