HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

            INT 10,13 - Write String (BIOS versions from 1/10/86)

       AH = 13h
       AL = write mode (see bit settings below)
          = 0 string is chars only, attribute in BL, cursor not moved
          = 1 string is chard only, attribute in BL, cursor moved
          = 2 string contains chars and attributes, cursor not moved
          = 3 string contains chars and attributes, cursor moved
       BH = video page number
       BL = attribute if mode 0 or 1 (AL bit 1=0)
       CX = length of string (ignoring attributes)
       DH = row coordinate
       DL = column coordinate
       ES:BP = pointer to string


       Bit settings for write mode (register AL):

       │7│6│5│4│3│2│1│0│  AL
        │ │ │ │ │ │ │ └──── 0=don't move cursor, 1=move cursor
        │ │ │ │ │ │ └───── 0=BL has attributes, 1=string has attributes
        └─┴─┴─┴─┴─┴────── unused


       returns nothing


       - BEL, BS, CR, LF are treated as ASCII control codes
       - wraps data and scrolls if unable to fit data on one line

Esc or Alt-X to exit int 10,13 Home/PgUp/PgDn/End ←↑↓→