An example of MAC with pre-adding is as follows. With pre-adding, you can add
data from the X buffer alone or combine data from both the X and Y buffers. The
start, offsets, and step parameters work similar
as previous example. There is a ystart parameter
for Y buffer or another data from X buffer. The step
parameter works reversely for Y or another data
from X buffer.
Figure 1. LMAC8_SYM on int32 x int16 Type
