1 .global main
 2. superum:
 3. 	xor %edx, %edx
 4. 	cmp %esi, %edi
 5.    jle swap
 6     push %ebx
 7     mov $-1, %ebx
 8     jmp put
 9
10 put:
11     xor %edx, %edx
12     inc %ebx
13     cmp %ebx, %esi
14     jle prepare_loop
15     movb (%eax, %ebx, 1), %edx                                                                                                                                                                                     16     movb %edx, (%ecx, %ebx, 1)                                                                                                                                                                                     17     jmp loop                                                                                                                                                                                                       18                                                                                                                                                                                                                    19 prepare_loop:                                                                                                                                                                                                      20     mov $-1, %ebx                                                                                                                                                                                                  21     xor %edx, %edx                                                                                                                                                                                                 22 loop:                                                                                                                                                                                                              23     inc %ebx                                                                                                                                                                                                       24     cmp %ebx, %edi                                                                                                                                                                                                 25     jg add_remain                                                                                                                                                                                                  26     addw (%ecx, %ebx, 1), %dx                                                                                                                                                                                      27     addw (%eax, %ebx, 1), %dx                                                                                                                                                                                      28     mov %dl, (%ecx, %ebx, 1)                                                                                                                                                                                       29     mov %dh, %dl                                                                                                                                                                                                   30     xor %dh, %dh                                                                                                                                                                                                   31     jmp loop                                                                                                                                                                                                       32                                                                                                                                                                                                                    33 swap:                                                                                                                                                                                                              34     xchg %eax, %ebx                                                                                                                                                                                                35     xchg %esi, %edi                                                                                                                                                                                                36     jmp supersum                                                                                                                                                                                                   37                                                                                                                                                                                                                    38 add_remain:                                                                                                                                                                                                        39     addw (%ecx, %ebx, 1), %dx                                                                                                                                                                                      40     mov %dl, (%ecx, %ebx, 1)                                                                                                                                                                                       41     mov %dh, %dl                                                                                                                                                                                                   42     xor %dh, %dh                                                                                                                                                                                                   43     cmp $0, %dl                                                                                                                                                                                                    44     jnz loop                                                                                                                                                                                                       45                                                                                                                                                                                                                    46 call_ret:                                                                                                                                                                                                          47     mov (%esp), %ebx                                                                                                                                                                                               48     ret                                                                                                                                                                                                            49