C02/include/old/py65.txt

C02 Header File for py65mon

At the beginning of the program use the directive

  #include <py65,h02>
  
This must be the first include directive.

Defined zero-page memory locations (variables):

  strlo, strhi      String Pointer (used by stdio library).
  
Defined functions:

  delchr();         Moves cursor one character to the left and
                    deletes character in that position.
                   
                    Note: Writes backspace, space, backspace
                    via prchr($08), prchr($20), and prchr($08).

  c = getkey();     Waits for keypress and returns ASCII code of
                    key that was pressed. 
                    
                    Note: Aliased to rdkey().       

  newlin();         Advances the cursor to the beginning of then
                    next line.
                   
                    Note: Writes carriage return and line feed
                    via prchr($0D) and prchr($0A).

                   
  c = rdkey();      Waits for keypress and returns ASCII code of
                    key that was pressed. 
                    
                    Note: Continuously reads from memory location 
                    getc until a non-zero value is returned.

  prchr(c);         Prints character to screen.
  
                    Note: Writes argument to memory location putc.