pdemo

extern printf

segment .data
        n_pt_s      db `asm: x%.8X `,10,0

segment .txt
        global      display_number

display_number:         ;;
        enter       0,0
        mov     eax,        25  ;;random number
        call        num_print
        leave
        ret




num_print:  pusha               ;;pusha puts all values in my registers away so that I don't lose them

        push        eax     ;;now that value in eax, is  the second argument of my printf call
        push        n_pt_s      ;;this string pointer (in the segment .data part) is the 1st argument of my printf call

        call        printf      ;;watch magic
        add     esp,    8  ;;this is like poping twice from the 2 pushes I did earlier, only I don't write anything to the registers  ;remove 2 pushes on stack

        popa        ;; now I pop all values that were stored when I did the pusha
        ret