INT 16 - KEYB.COM KEYBOARD CAPABILITIES CHECK (not an actual function!) AH = A2h Return: AH <= 80h if 122-key keyboard functions (AH=20h-22h) supported Desc: this function is called by the DOS 3.2 KEYBxx.COM and DOS 5+ KEYB.COM to determine the highest supported keyboard function Note: many BIOSes (including at least some versions of Phoenix and AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985.) will destroy AH on return from functions higher than AH=12h, returning 12h less than was in AH on entry (due to a chain of DEC/JZ instructions) SeeAlso: AH=05h"PCjr",AH=92h,INT 2F/AX=AD80h