Int 61 Fn 18  - Atari Portfolio - Mute States                              [b]

   AH = 18h
   AL = function
       00h get mute state
       01h set mute state
       02h get key click state
       03h set key click state
       04h get beep state
       05h set beep state
       06h get alarm state
       07h set alarm state
       08h get DTMF duration
       09h set DTMF duration
   DL = new state ("set" functions) (00h off [muted], 01h on)

Return: DL = current state ("get" functions) (00h off [muted], 01h on)

See Also: AH=15h"Portfolio",AH=16h"Portfolio",AH=17h"Portfolio"

See Also: AH=19h"Portfolio"