INT 16 - KEYBOARD - GET KEYBOARD FUNCTIONALITY AH = 09h Return: AL = supported keyboard functions (see #00585) AH destroyed by many BIOSes Note: this function is only available if bit 6 of the second feature byte returned by INT 15/AH=C0h is set (see #00509) SeeAlso: AH=03h,AH=0Ah,AH=10h,AH=11h,AH=12h,AH=20h,AH=21h,AH=22h,INT 15/AH=C0h Bitfields for supported keyboard functions: Bit(s) Description (Table 00585) 7 reserved 6 INT 16/AH=20h-22h supported (122-key keyboard support) 5 INT 16/AH=10h-12h supported (enhanced keyboard support) 4 INT 16/AH=0Ah supported 3 INT 16/AX=0306h supported 2 INT 16/AX=0305h supported 1 INT 16/AX=0304h supported 0 INT 16/AX=0300h supported SeeAlso: #00511