INT 16 - K3PLUS v6.22+ - SET KEYCLICK AH = 04h AL = keyclick state 00h keyclick off, leave loudness setting unchanged 01h keyclick on, leave loudness setting unchanged else bit 0: keyclick enabled if set bits 7-1: new keyclick loudness (non-zero) Return: AH destroyed by many BIOSes Note: Applications which try to set a new loudness, but are unsure of the results of other INT 16/AH=04h implementations, should set the new loudness first, and then call this function again with AL=01h or AL=00h SeeAlso: AH=03h,AH=04h"KEYBOARD",AX=AF4Dh