Compatibility: 1.0+
Expects: AH    02H
DL    character to send to the Standard Output
                                                                  
Returns: none
                                                                  
Info: Sends the character in DL to the Standard Output. Handles
backspace (ASCII 8) by moving the cursor left and leaving the
cursor there.

If Ctrl-Break is detected, INT 23H is executed.

- -

DOS Fn 02H: Display Output