;; public args
       X_pos   = ARGVEC + 0
       Y_pos   = ARGVEC + 1
       code    = ARGVEC + 2

       ;; private variables
       screen_position = $EE ; 16-bit value (uses EF)
       ;; 16-bit value, we reuse bytes from X_pos
       X_pos_offset_hi = $ED
       X_pos_offset_lo = X_pos
       ;; 16-bit value, we reuse bytes from Y_pos
       Y_pos_offset_hi = $EC
       Y_pos_offset_lo = Y_pos

       ;; What you will see bellow is .. interesting. I want to reuse
       ;; code and I need it for a 16-bit pointer. Because 6502 pointers expect the bytes to be besides each other
       ;; I need to use code +1 to store data even though its fot ARGVEK.
       ;; Thats why it's cursed
       petski_position = code ; 16 bit value uses (code +1)

       ;; values
       VIC_bank = $4000
       Character_generator_ROM = $D000