Specifications

Chapter 15. Function Reference
346
Syntax:
CHR$(characode)
Parameter:
characode
A numeric expression which returns a value from 0 to 255.
Description:
CHR$ converts a numerical ASCII code specified by characode into the equiva-
lent single-byte character. This function is used to send control codes (e.g., ENQ
and ACK) to a communications device file or to display a double quotation mark or
other characters having special meanings in the BHT-BASIC.
Run-time errors:
Example:
• To output an ACK code to a communications device file, use CHR$(&H06). The
ASCII value for the ACK code is &H06.
PRINT #1,CHR$(&H06);
• To display control codes from 8 (08h) to 31 (1Fh), refer to the program examples
shown in the
PRINT statement.
• To display double quotation marks around a string, use
CHR$(34) as shown
below. The ASCII value for a double quotation mark is 34 (22h).
PRINT CHR$(34);"Barcode";CHR$(&H22)
CHaRacter code String function
CHR$
Returns the character corresponding to a given ASCII code.
Error code Meaning
05h
Parameter out of the range
(
characode is out of the range.)
"Barcode"