MMC lab o2 code

%macro disp 4
mov rax,%1
mov rdi,%2
mov rsi,%3
mov rdx,%4
syscall
%endmacro

section .data
    arr dd 1216.23,2384.55,1451.65,1001.11,2442.22,5512.66,8845.45

    divi dd 9
    hundred dd 100  
    point db '.'

section .bss
    m1 resd 1   
    m2 rest 1   
    c1 resb 1   
    c2 resb 1   
    temp resb 1
    result resb 1

section .text
    global _start

_start:
    mov rsi,arr
    mov cx,7       
    fldz
up:
    fadd dword[rsi]
    add rsi,4      
    dec cx
    jnz up
    
    fdiv dword[divi]
    fst dword[m1]
    fmul dword[hundred]
    fbstp tword[m2]     
    call display
    
    mov rax, 60
    mov rdi, 0
    syscall
    
display:
        mov rbp,m2     
        mov byte[c1],10  
        add rbp,9               
next: 
        cmp byte[c1],1      
        jne skip
        disp 1,1,point,1
skip:
        mov al,[rbp]
        mov byte[c2],02
                                               
    up1:
        rol al,04
        mov [temp],al
        and al,0fh
        cmp al,09  
        jbe ad
        add al,07h
        
ad:
        add al,30h
        mov [result],al
        
        disp 1,1,result,1
        
        mov al,[temp]
        dec byte[c2]
        jnz up1
        
        dec rbp
        dec byte[c1]
        jnz next
   ret 

Comments