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;; fibo(30)
imm 30
fibo rel call
;; pop arguments and push return value to stack
pop rv
;; call print_number (syscall number is 1)
imm 1 syscall
exit
fibo:
;; setup stack pointer and base pointer
bp sp sbp
;; get first argument
imm 2 bpick
;; if (x > 2) then
imm 2 gt
.else rel jz
;; return fibo(x - 2) + fibo(x - 1)
imm 2 bpick
imm 1 sub
fibo rel call
pop rv
imm 2 bpick
imm 2 sub
fibo rel call
pop rv add
srv
.end rel jmp
.else:
;; else return 1
imm 1 srv
.end rel jmp
.end:
bp ssp sbp
ret
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