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Nibble Magazine
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FEBRUARY.1991
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INSTR.DEMO.bas
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BASIC Source File
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2023-02-26
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883b
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20 lines
10 REM ******************************
20 REM * INSTR.DEMO *
30 REM * BY ROGER D. CLEMENTS *
40 REM * COPYRIGHT(C) 1991 *
50 REM * MINDCRAFT PUBL. CORP. *
60 REM * CONCORD, MA 01742 *
70 REM ******************************
80 PRINT CHR$(4)"BRUN INSTR"
90 POKE 31,0
100 B$ = "I AM READY FOR SUMMER TO COME."
110 HOME : PRINT "--PRESS CTRL-C TO EXIT--": PRINT
120 PRINT "CURRENT STRING: ";B$: PRINT
130 INPUT "STRING TO SEARCH (RETURN FOR CURRENT): ";C$: IF LEN(C$) < >0 THEN B$ = C$
140 INPUT "STRING TO LOOK FOR: ";A$
150 INPUT "STARTING POSITION: ";SP
160 X = USR(SP)A$,B$: PRINT
170 IF X = 0 THEN PRINT "MATCH NOT FOUND": GOTO 200
180 PRINT B$: HTAB X: FOR I = 1 TO LEN(A$): PRINT "^";: NEXT : PRINT
190 PRINT " X POSITION RETURNED IS ";X
200 PRINT : PRINT "PRESS ANY KEY... ";: GET C$: GOTO 110