Expansion of the code 1
n12:               j=(int)(*p1++)+(int)(*p2++);
n00401043   mov         ecx,dword ptr [ebp-4]
n00401046   xor          edx,edx
n00401048   mov         dl,byte ptr [ecx]
n0040104A   mov         eax,dword ptr [ebp-8]
n0040104D   xor         ecx,ecx
n0040104F   mov         cl,byte ptr [eax]
n00401051   add         edx,ecx
n00401053   mov         dword ptr [ebp-14h],edx
n00401056   mov         edx,dword ptr [ebp-8]
n00401059   add         edx,1
n0040105C   mov         dword ptr [ebp-8],edx
n0040105F   mov         eax,dword ptr [ebp-4]
n00401062   add         eax,1
n00401065   mov         dword ptr [ebp-4],eax