INT 16 - pcANYWHERE III - SET KEYBOARD/SCREEN MODE
AH = 7Fh
AL = subfunction
00h enable remote keyboard only
01h enable host keyboard only
02h enable both keyboards
08h display top 24 lines
09h display bottom 24 lines
10h Hayes modem
11h other modem
12h direct connect


167F - pcANYWHERE III - SET KEYBOARD/SCREEN MODE