[51] 8051 P89C668 - How to make speaker play tone when button is pressed? Assembly

[Poley]

It is a mini keyboard and i have 12 notes,all of which have their own frequency. How do i write the code to make it read when the button is pressed and to send the frequency to the speaker to play?

 

[arunbharathi.arasu]

you can do by using interrupt.