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FreeWare Collection 2
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FreeSoftwareCollection2pd199x-jp.img
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ms_dos
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tf02mini
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tfxpr07.bas
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BASIC Source File
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1990-06-14
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607b
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20 lines
1000 OPEN "R",#1,"1:(7)SHIKAKU1.TFX":CLS
1010 FIELD #1,7 AS A$
1015 DEFINT R,J
1020 R=128:PX=180/3.14159!
1030 FOR R=20 TO 190 STEP 10
1050 FOR J=R TO 360+R STEP 90
1060 X=R*COS(J/PX)+320
1070 Y=R*SIN(J/PX)+200
1078 Z=R*SIN((J+R)/PX)*COS((J-R)/PX)+200
1080 LINE -(X,Y),PSET,7
1090 B$=CHR$(X MOD 256)+CHR$(X\256)
1100 B$=B$+CHR$(Y MOD 256)+CHR$(Y\256)
1110 B$=B$+CHR$(Z MOD 256)+CHR$(Z\256)
1120 IF J=360+R ELSE B$=B$+CHR$(0):GOTO 1140
1130 IF R=190 THEN B$=B$+CHR$(2) ELSE B$=B$+CHR$(1)
1140 LSET A$=B$:PUT #1
1150 NEXT
1160 NEXT
1310 CLOSE #1