cis-lclient05:~/2012/system>cat sort2.s
.section .data
   array:
      .byte  89, 10, 67, 1, 4, 27, 12, 34, 86, 3
   array_end:
      .equ ARRAY_SIZE, array_end - array
   array_fmt:
      .asciz "  %d"
   usort_str:
      .asciz "unsorted array:"
   sort_str:
      .asciz "sorted array:"
   newline:
      .asciz "\n"
.section .text
   .globl _start
   _start:
      pushl %ebp
      pushl %ebx
      pushl %esi
      pushl %edi
      pushl $usort_str
      call  puts
      addl  $4, %esp
      pushl $ARRAY_SIZE
      pushl $array
      pushl $array_fmt
      call  print_array10
      addl  $12, %esp
      pushl $ARRAY_SIZE
      pushl $array
      call  sort_routine20
# Adjust the stack pointer
      addl  $8, %esp
      pushl $sort_str
      call  puts
      addl  $4, %esp
      pushl $ARRAY_SIZE
      pushl $array
      pushl $array_fmt
      call  print_array10
      addl  $12, %esp
      jmp   _exit
   print_array10:
      pushl %ebp
      movl  %esp, %ebp
      subl  $4, %esp
      movl  8(%ebp), %edx
      movl  12(%ebp), %ebx
      movl  16(%ebp), %ecx
      movl  $0, %esi
   push_loop:
      movl  %ecx, -4(%ebp)  
      movl  8(%ebp), %edx
      xorl  %eax, %eax
      movb  (%ebx, %esi, 1), %al
      pushl %eax
      pushl %edx
      call  printf
      addl  $8, %esp
      movl  -4(%ebp), %ecx
      incl  %esi
      loop  push_loop
      pushl $newline
      call  printf
      addl  $4, %esp
      movl  %ebp, %esp
      popl  %ebp
      ret
   sort_routine20:
      pushl %ebp
      movl  %esp, %ebp
# Allocate a word of space in stack
      subl  $4, %esp
# Get the address of the array
      movl  8(%ebp), %ebx
# Store array size
      movl  12(%ebp), %ecx
      decl  %ecx
# Prepare for outer loop here
      xorl  %esi, %esi
   outer_loop:
# This stores the min index
      movl  %esi, -4(%ebp)
      movl  %esi, %edi
      incl  %edi
   inner_loop:
      cmpl  $ARRAY_SIZE, %edi
      jge   swap_vars
      xorb  %al, %al
      movl  -4(%ebp), %edx
      movb  (%ebx, %edx, 1), %al
      cmpb  %al, (%ebx, %edi, 1)
      jge   check_next
      movl  %edi, -4(%ebp)
   check_next:
      incl  %edi
      jmp   inner_loop
   swap_vars:
      movl  -4(%ebp), %edi
      movb  (%ebx, %edi, 1), %dl
      movb  (%ebx, %esi, 1), %al
      movb  %dl, (%ebx, %esi, 1)
      movb  %al, (%ebx,  %edi, 1)
      incl  %esi
      loop  outer_loop
      movl  %ebp, %esp
      popl  %ebp
      ret
   _exit:
      pushl $usort_str
      call  puts
      addl  $4, %esp
      popl %edi
      popl %esi
      popl %ebx
      popl %ebp
      movl  $1, %eax
      movl  $0, %ebx
      int   $0x80

cis-lclient05:~/2012/system>as -o sort2.o sort2.s
cis-lclient05:~/2012/system>ld --dynamic-linker /lib/ld-linux.so.2 -lc -o sort2 sort2.o
cis-lclient05:~/2012/system>sort2
unsorted array:
  89  10  67  1  4  27  12  34  86  3
sorted array:
  1  3  4  10  12  27  34  67  86  89
unsorted array:
cis-lclient05:~/2012/system>