;--------------------------------------------------------------
; cfg01.asm: Example program for control flow graph utility
;--------------------------------------------------------------

start:
        jmp begin               ; entrypoint of program

.org 0x80                       ; skip interrupt table
bad_interrupt:
        reti

begin:                          ; begin main program
        call wait               ; wait before we get started
        ldi r17, 1
        ldi r18, 2
        ldi r19, 1
        ldi r20, 10
loop:                           ; beginning of fibonacci loop
        mov r21, r17
        add r21, r18
        mov r17, r18
        mov r18, r21
        inc r19                 ; increment trip count
        cpi r19, 10
        breq again              ; do it again?
        jmp loop

again:  
        call wait               ; wait for a little bit
        call wait               ; wait again
        jmp begin               ; do it again

wait:
        ldi r16, 1
        inc r16
        cpi r16, 0
        brne wait
        
        ret