ASC Function

ASC(string-expression)

Returns the ASCII code of the first character in string-expression.

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Examples

PRINT ASC("A")

This example produces 65.

C$ = "Retro Rocket"
PRINT ASC(C$)

This example produces 82, the ASCII code for "R".

REM Using ASC to check a keypress
key$ = INKEY$
IF key$ > "" THEN
    code = ASC(key$)
    PRINT "You pressed: "; code
ENDIF

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Notes

• Only the first character of the string is considered.
• If the string is empty, ASC returns 0.
• Values returned range from 0–255.

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See also: CHR$ · INKEY$