.include "m2560def.inc"

init:
	  lds r16, 0x0291
	  lds r17, 0x0292
	  mov r25, r5
loop:
	  dec r25
	  add r18, r16
	  adc r19, r17
	  brcc check
	  inc r20
check:
	  cpi r25, 0
      brne loop
save:
	  sts 0x0391, r18
	  sts 0x0392, r19
	  cpi r20, 0
	  breq end
	  sts 0x0393, r20
end:  rjmp end