Introduction - If you have any usage issues, please Google them yourself
For functional testing and validation routines
Name: add128
Function: for adding two 128-bit data
Parameters:
Ds: si points to the first number stored in the memory space, because the data is 128, so you need 8-word units, from low to high address unit locations were kept
Put 128 data from low to high every word. Result is stored in the memory space of the first number.