INT 15 - DESQview v2.01+ - "CSTYLE" - SET "C"-COMPATIBLE CONTROL CHAR INTERPRET
        AX = DE12h
        BX = 0000h    select normal style (linefeed only moves down)
             nonzero  select C style (linefeed moves to start of next line)
Return: nothing
Note:   set on a per-task basis, and inherited from the parent task