xcs command The xcs BASIC program enables or disables the extended character set for the current port or a specific port, or displays the status when no options are provided.
xcs-off macro The xcs-off macro disables the extended character set function on a specified port, or the current port if omitted.
xcs-on macro The xcs-on macro enables the extended character set function on a specified port, or the current port if omitted.
xonoff command The xonoff BASIC program disables or enables x-on/x-off on a specified port, or the current port.
xtd command The xtd command converts a given hexadecimal number into its equivalent decimal (integer) format.