Tail jump from ISR to stop_blink

- Saves 7 clock cycles per call vs. previous implementation
2025-12-31 22:43:33 +01:00
parent 5d15088588
commit b3d7d19579
2 changed files with 2 additions and 3 deletions
@@ -22,8 +22,7 @@
 ; useful for the tap tempo stuff

 isr_stop_blink:
-    rcall       stop_blink              ; Turn off PB0 when TCNT0=OCF0A
-    reti                                ; Exit interrupt
+    rjmp       stop_blink              ; Turn off PB0 when TCNT0=OCF0A

 main:
    ; To compile on AtTiny25/45 comment out the SPH part
@@ -24,4 +24,4 @@ stop_blink:
    ldi     r16,        (1 << OCF0A)
    out     TIFR,       r16                             ; Clear timer0 interrupt flag register

-    ret
+    reti