sub #1, r15 ; 1 cycle
;; 1+3+3+1+2=10, beneath limits,
- ;; +3+2=5, repeat 5 times to get 10+25=35, within limits
+ ;; +3+2=5, repeat 8 times to get 10+40=50, within limits
+ push r11 ; 3 cycles
+ pop r11 ; 2 cycles
+ push r11 ; 3 cycles
+ pop r11 ; 2 cycles
+ push r11 ; 3 cycles
+ pop r11 ; 2 cycles
push r11 ; 3 cycles
pop r11 ; 2 cycles
push r11 ; 3 cycles