I need help fixing the above code to do the following,

2 push buttons A, B

A will increment frequency of sound

B will decrement frequency of sound gradually.

sketch nov08a int speaker 5; int buttonA 10; int buttonB 12: byte speaker' = 0; void setup) f pinMode (speaker, OUTPUT): pnHode (buttona, IMPUT-PULLOP) : pnMode (buttonB, INPUT PULLUp) ; void loop ) I if (digitalRead (buttonA) LOW) apeaker anadogWr te (speaker, speaker): delay (10): t (digitalRead (buttonB) -tow) it (speakerV >= 1); speaker 1: analogwrite (speaker, apeakerv): delay (10): sketch nov08a int speaker 5; int buttonA 10; int buttonB 12: byte speaker' = 0; void setup) f pinMode (speaker, OUTPUT): pnHode (buttona, IMPUT-PULLOP) : pnMode (buttonB, INPUT PULLUp) ; void loop ) I if (digitalRead (buttonA) LOW) apeaker anadogWr te (speaker, speaker): delay (10): t (digitalRead (buttonB) -tow) it (speakerV >= 1); speaker 1: analogwrite (speaker, apeakerv): delay