Int 2F Fn AD01  U - Dos 3.3+ Display.sys Internal - Set Active Code Page   [V]

   AX = AD01h
   BX = new code page (see #1446 at INT 21/AX=6602h)

Return: CF clear if successful
       AX = 0001h
   CF set on error (unsupported code page)
       AX = 0000h

See Also: AX=AD02h"DISPLAY"