; Example program (c) by Anton Lydike
; this calculates the fibonacci sequence and stores it in ram

        .data
fibs:   .space 56

        .text
main:
        addi    s1, zero, 0     ; storage index
        addi    s2, zero, 56    ; last storage index
        addi    t0, zero, 1     ; t0 = F_{i}
        addi    t1, zero, 1     ; t1 = F_{i+1}
        ebreak                  ; launch debugger
loop:
        sw      t0, fibs(s1)    ; save
        add     t2, t1, t0      ; t2 = F_{i+2}
        addi    t0, t1, 0       ; t0 = t1
        addi    t1, t2, 0       ; t1 = t2
        addi    s1, s1, 4       ; increment storage pointer
        blt     s1, s2, loop    ; loop as long as we did not reach array length
        ; exit gracefully
        ebreak                  ; launch debugger
        addi    a0, zero, 0
        addi    a7, zero, 93
        scall                   ; exit with code 0