16/xw__/mxwm.asm

   1 .387
   2                 PUBLIC  MXWRITEMODE
   3 MX_TEXT         SEGMENT PARA PUBLIC USE16 'CODE'
   4                 ASSUME CS:MX_TEXT, DS:DGROUP, SS:DGROUP
   5 MXWRITEMODE:
   6         push            bp
   7         mov             bp,sp
   8         sub             sp,0
   9         mov             dx,3ceH
  10         mov             ah,byte ptr 6[bp]
  11         and             ah,3
  12         or              ah,40H
  13         mov             al,5
  14         out             dx,ax
  15         mov             sp,bp
  16         pop             bp
  17         retf            2
  18 MX_TEXT         ENDS
  19                 END