Positive And Negative Count In Array, Assembly

Language: Layout:

global  _start ; entry point for assembly program

%macro display 2 
        mov rax , 01   ; System Call For Write Function
        mov rdi , 01   ; STD_OUT --- File Descriptor
        mov rsi , %1   ; BUFFER
        mov rdx , %2   ; Count
        syscall        ; invoking OS/Kernel To Do Operation
%endmacro

section .data ; initialized variable 
        welmsg db 10 , "-----------Welcome--------------" , 10  ; 10 is Newline Character
        wellen equ $ - welmsg 
        prgaim db 10 , "Positive And Negative Count In Array" , 10
        prglen equ $ - prgaim
        
        pstmsg db 10 , "Positive Count : " 
        pstlen equ $ - pstmsg
        negmsg db 10 , "Negative Count : "
        neglen equ $ - negmsg
        
        arr_1  db -55h , 32h , 09h , -22h , 2fh 
        arcnt  equ 05
        
section .bss  ; unintialized variable BSS : Block Started By Symbol
    pstcnt resb 1
    negcnt resb 1
    
section .text ; main code -- program 
    _start :
        display welmsg , wellen
        display prgaim , prglen
        
        mov rsi , arr_1
        mov rcx , arcnt
        mov bl  , 00
        mov bh  , 00

loop_1 : 
        mov al  , [rsi]
        BT  ax  , 7        ; Bit Test Result Stored In Carry Flag 
        
        jc  negt_1
        inc bl
        jmp contne
    
    negt_1 :
        inc bh
        
    contne :
        inc rsi
        loop loop_1
        
        mov [pstcnt] , bl 
        mov [negcnt] , bh
        
        add byte [pstcnt] , 30h    ; 
        add byte [negcnt] , 30h    ; 
        
        display pstmsg , pstlen
        display pstcnt , 1
        display negmsg , neglen
        display negcnt , 1
        
    _exit  :
        mov rax , 60 ; System Call For Exit
        mov rdi , 00 ; 
        syscall      ; Invokes OS to exit

Show compiler warnings [ + ] Show input
Compilation time: 0.27 sec, absolute running time: 0.05 sec, cpu time: 0.01 sec, memory peak: 3 Mb, absolute service time: 0,33 sec