Caesar cipher: Difference between revisions
Added True BASIC
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Decrypted message = The five boxing wizards jump quickly.
</pre>
=={{header|True BASIC}}==
{{works with|QBasic}}
{{trans|BASIC256}}
<syntaxhighlight lang="qbasic">LET dec$ = ""
LET tipo$ = "cleartext "
PRINT "If decrypting enter 'd' -- else press enter ";
INPUT dec$
PRINT "Enter offset ";
INPUT llave
IF dec$ = "d" THEN
LET llave = 26 - llave
LET tipo$ = "ciphertext "
END IF
PRINT "Enter "; tipo$;
INPUT cadena$
LET cadena$ = UCASE$(cadena$)
LET longitud = LEN(cadena$)
FOR i = 1 TO longitud
!LET iTemp = ASC(MID$(cadena$,i,1)) 'QBasic
LET itemp = ORD((cadena$)[i:i+1-1][1:1]) !'True BASIC
IF iTemp > 64 AND iTemp < 91 THEN
!LET iTemp = ((iTemp - 65) + llave) MOD 26 'QBasic
LET iTemp = MOD(((iTemp - 65) + llave), 26) !'True BASIC
PRINT CHR$(iTemp + 65);
ELSE
PRINT CHR$(iTemp);
END IF
NEXT i
END</syntaxhighlight>
=={{header|TUSCRIPT}}==
<syntaxhighlight lang="tuscript">$$ MODE TUSCRIPT
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