list.asm

%include "nasmx.inc"

ENTRY main

IMPORT fgets
IMPORT printf
IMPORT puts
IMPORT atoi

EXTERN stdin

section .data
  input: db "arr[%d] = ", 0
  print_max: db "The max number in the list is: %d", 0xa, 0
  print_min: db "The min number in the list is: %d", 0xa, 0
  print_mean: db "The mean is: %d", 0xa, 0
  nullstr: db 0
  arr: times 16 dd 0

section .text

; Computes the largest element in arr
PROC max
LOCALS NONE
  ; TODO: code for this one.
  mov eax, 0
ENDPROC

; Computes the smallest element in arr
PROC min
LOCALS NONE
  ; TODO: code for this one.
  mov eax, 0
ENDPROC

; Computes the mean of all the elements
PROC mean
LOCALS NONE
  ; TODO: code for this one.
  mov eax, 0
ENDPROC


; *********************************************************
; Below this line we have some helper functions You do not need to worry about
; any of these functions.
; *********************************************************

PROC read_num, ptrdiff_t prompt, uint32_t arg
LOCALS
  LOCAL buff, uint8_t, 80
ENDLOCALS
  
  INVOKE printf, [argv(.prompt)], [var(.arg)]

  lea rax, [var(.buff)]
  mov rdx, [stdin]
  INVOKE fgets, rax, 80, rdx

  lea rax, [var(.buff)]
  INVOKE atoi, rax
ENDPROC

PROC main
LOCALS 
  LOCAL ind, uint32_t
ENDLOCALS
  
  ; Read 16 integers from user
  mov dword [var(.ind)], 0

.readloop:
  INVOKE read_num, input, [var(.ind)]
  mov ecx, [var(.ind)]
  mov [ecx * 4 + arr], eax
  add dword [var(.ind)], 1

  cmp dword [var(.ind)], 16
  jl .readloop ; while ind < 16

  ; Print out the max, min, and mean
  INVOKE max
  INVOKE printf, print_max, rax
  INVOKE min
  INVOKE printf, print_min, rax
  INVOKE mean
  INVOKE printf, print_mean, rax

ENDPROC