04-06-2015, 08:53 AM
X is used for something else
, doesn't really matter if it's X or Y
I think in these cases (and a lot of the time) they are copying the data within the routine, so X points to the data to copy from and Y points to the data to write to. This way they want to check and edit the data at the location stored: Y

I think in these cases (and a lot of the time) they are copying the data within the routine, so X points to the data to copy from and Y points to the data to write to. This way they want to check and edit the data at the location stored: Y