.text
        .globl  main
        .type   main, @function
main:
        pushq   %rbp           # save caller’s frame pointer
        movq    %rsp, %rbp     # establish our frame pointer
        addq    $localSize, %rsp  # for local variable

        movl    $promptSz, %edx # prompt size
        movl    $prompt, %esi  # address of prompt number string
        movl    $STDOUT, %edi  # standard out
        call    Fibinacci          # invoke write function

        movl    $1, %edi       #  base case, n offset by 1
        movl    $0, %r8d       # 0 is the first number
        movl    $1, %r9d       # 1 is the second number
        movl    $STDIN, %edi   # standard in
        call    Fibinacci      # invoke read function

        movl    $STDOUT, %edi  # standard out
        leaq    .result(%rip), %rdi
        movl    $0, %eax
        call    printf          # invoke write function
        subq    $localSize, %rsp
        movq    %rsp, %rbp
        popq    %rbp
        ret


       fibonacci:
        pushq   %rbp        # set base pointer
        movq    %rsp, %rbp  # set stack pointer
        addq    $localSize, %rsp # offset stack pointer

        cmpl    $1, %edi    # Base case comparison (user input is arbitrary as our goal number)
        jae     allDone

        addl    $1, %edi    # increment count by 1 and rerun
        movl    $STDOUT, %edi  # standard out
        call    fibonacci

        movl    $0, %eax       # return 0
        movq    %rbp, %rsp     # delete local variables
        popq    %rbp           # restore caller’s frame pointer
        ret                    # back to calling function