1. Write X86/64 ALP to count number of positive and negative numbers from the array

;Write X86/64 ALP to count number of positive and negative numbers from the ;array

%macro print 2
        mov eax,4
        mov ebx,1
        mov ecx,%1
        mov edx,%2
        int 80h
%endmacro

section .data
        arr dd -18888888h,18888888h,22222222h,11111111h
        n equ 4
        pmsg db 10,13,”The Count of Positive No: “
        plen equ $-pmsg
        nmsg db 10,13,”The Count of Negative No: “
        nlen equ $-nmsg
        nwline db 10,13
th db 10,13,”Program developed by Prof Dhokane R.M.(SVIT, Chincholi, Nashik)”
thlen equ $-th

section .bss
        pcnt resq 1
        ncnt resq 1
        char_answer resb 8

section .text
        global _start
        _start:
                mov esi,arr
                mov edi,n
                mov ebx,0
                mov ecx,0

        up:  
                mov eax,[esi]
                cmp eax,00000000h
                js negative

        positive:       inc ebx
                        jmp next
        negative:       inc ecx

        next:   add esi,4
                dec edi
                jnz up

                mov [pcnt],ebx
                mov [ncnt],ecx

                print pmsg,plen
                mov eax,[pcnt]
                call display

                print nmsg,nlen
                mov eax,[ncnt]
                call display

        print th,thlen     
    print nwline,1

                mov eax,1
                mov ebx,0
                int 80h


;display procedure for 32bit      
display:
        mov esi,char_answer+7
        mov ecx,8

        cnt:    mov edx,0
                mov ebx,16h
                div ebx
                cmp dl,09h
                jbe add30
                add dl,07h
        add30:  add dl,30h
                mov [esi],dl
                dec esi
                dec ecx
                jnz cnt
        print char_answer,8
ret

OUTPUT:
swlab@swlab-Veriton-M200-H81:~$ nasm -f elf pn.asm
swlab@swlab-Veriton-M200-H81:~$ ld -m elf_i386 -s -o pn pn.o
swlab@swlab-Veriton-M200-H81:~$ ./pn

The Count of Positive No: 00000003
The Count of Negative No: 00000001
Program developed by Prof Dhokane R.M.(SVIT, Chincholi, Nashik)

Leave a Reply

Your email address will not be published. Required fields are marked *