FUNCTION 14.3.2 Character codes (1) Control codes Code name Hexadecimal (ASCII code) Description Personal computer terminal key operation (General) SOH 01H start of head ctrl A STX 02H start of text ctrl B ETX 03H end of text ctrl C EOT 04H end of transmission ctrl D (2) Codes for data ASCII codes are used. b8 0 0 0 0 0 0 0 0 b7 0 0 0 0 1 1 1 1 b6 0 0 1 1 0 0 1 1 b5 0 1 0 1 0 1 0 1 b8 to b5 b4
codes (1) Control codes Personal computer terminal Hexadecimal (ASCII code) Description Code key operation name (general) SOH 01H 02H 03H 04H start of head start of text end of text end of transmission ctrl + A ctrl + B ctrl + C ctrl + D STX ETX EOT (2) Codes for data ASCII unit codes are used. b8 0 0 0 0 0 0 0 0 b7 0 0 0 0 1 1 1 1 b6 0 0 1 1 0 0 1 1 b5 0 1 0 1 0 1 0 1 b8 to b5 R C 0 1 2 3 b4