Fibonacci in Mic1 Macro Language

[Dewey1040]

I'm creating a fibonacci program in mic1, which is a little more readable than other assembly languages so even if you don't know the language it shouldn't be hard to figure out what the code is trying to do if you are good with stacks and recursion.

This is the code I have come up with for my best attempt after many other failed attempts. It is still not coming up with the correct answer and I am getting quite frustrated. Any help would be appreciated, even if you can't suggest code. I just kind of need to be pointed in the right direction, or where I am going wrong.

This is also not the whole program, it is just the part which I believe is going wrong.

fib:	LODL 1          	; ac = top of stack
	JZER done0:	        ; if ac = 0 then return 0
	SUBD one:               ; ac != 0 ac = ac-1
	JZER done1:	        ; if ac = 0 now then return 1
	PUSH                    ; push ac onto stack
	CALL fib:		; call fib(n-1)
	POP                     ; pop most recent return value off stack into ac
	ADDD count:             ; ac = ac + count
	STOD count:             ; count = ac
	LODL 1                  ; load top of stack into ac
	SUBD two:               ; ac = ac-2
	PUSH                    ; push (n-2) onto stack
	CALL fib:	        ; call fib(n-2)
	POP                     ; pop most recent return value off stack into ac
	ADDD count:             ; ac = ac + count
	PUSH                    ; push ac onto stack
	RETN                    ; return value
	
done0:	PUSH                    ; push ac onto stack (ac = 0)
	RETN                    ; return 0
	HALT                    

done1:  LODD one:               ; load value of 1 into ac
	PUSH                    ; push ac onto stack
	RETN                    ; return 1
	HALT

one:	1                       ; variable one = 1
two:	2                       ; variable two = 2
count:	0                       ; variable count starts at 0