diff --git a/src/clockinator.S b/src/clockinator.S
index f9def00..fdd4c35 100644
--- a/src/clockinator.S
+++ b/src/clockinator.S
@@ -41,16 +41,21 @@ main:
     ldi         r16,        hi8(RAMEND)
     out         SPH,        r0          ; Setup stack pointer HIGH
 
-    sei                                 ; Global interrupt flag
+    ; PB0 is also second button to use as start stop continue with int0 interrupt
+    ; when playing one press is pause, another press is continue, a long press is always stop
+
+    cbi         DDRB,       PB1         ; Set EC11 clockwise on PB5 as input
+    cbi         DDRB,       PB5         ; Set EC11 counter-clockwise on PB3 as input
+    cbi         DDRB,       PB2         ; Set EC11 button (555 square wave) on PB2 as input
+    sbi         PORTB,      PB2         ; Enable pull-up on PB2
 
-    ;cbi        DDRB,       PB1         ; Set EC11 clockwise on PB5 as input
-    ;cbi        DDRB,       PB2         ; Set EC11 counter-clockwise on PB3 as input
-    ;cbi        DDRB,       PB5         ; Set EC11 button (555 square wave) on PB4 as input
-    sbi         DDRB,       PB0         ; Set led on PB0 as output
     ;ldi         r26,        60          ; Default BPM //TODO: save to eeprom not register, on runtime also ldi on r24 register
 
+    clr         r0
+    ldi         r1,         1
+
     rcall       timer0_set
-    ;rcall       timer1_set
+    rcall       timer1_set
 
 
 ; loop: calculate tempo (high priority!) and save, led blinking, segment led writing