aparler/RosettaCodeData
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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Caesar-cipher/Sinclair-ZX81-BASIC/caesar-cipher.basic Normal file
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10 INPUT KEY
20 INPUT T$
30 LET C$=""
40 FOR I=1 TO LEN T$
50 LET L$=T$(I)
60 IF L$<"A" OR L$>"Z" THEN GOTO 100
70 LET L$=CHR$ (CODE L$+KEY)
80 IF L$>"Z" THEN LET L$=CHR$ (CODE L$-26)
90 IF L$<"A" THEN LET L$=CHR$ (CODE L$+26)
100 LET C$=C$+L$
110 NEXT I
120 PRINT C$