lovelace.asm

;; lovelace.asm

segment     .data
prompt      db          "Type in your name: ", 0
buffer times 42 dd      0
printerformat db        "Hello %s", 10, 0
scannerformat db        "%s", 0

segment     .text
            global      main
            extern      printf
            extern      scanf

main:

            ;; Make room for local variables ...
            enter       4, 0

            ;; Push ebx on the stack, following C calling conventions ...
            push        dword ebx

            ;; Initialize ptr [ebp-4] as the address of buffer ...
            mov         dword [ebp-4], buffer

            ;; Call printf prompting the user for her name ...
            push        dword prompt
            call        printf
            add         esp, 4


            ;; Call scanf such to get her name ...
            push        dword [ebp-4]
            push        dword scannerformat
            call        scanf
            add         esp, 8

            ;; Call printf saying hello to her ...
            push        dword [ebp-4]
            push        dword printerformat
            call        printf
            add         esp, 8

            ;; Restore the value of ebx ...
            pop         ebx

            ;; Free the room made for the local variables ...
            leave

            ;; Return back ...
            ret