Though, the confusion has taken place, since he wants to load additional .sfs at boot, which doesn't make any sense if them are included into the base .sfs at remaster.There shouldn't be any confusion.
This is the default of any remaster script I'd used so far and/or had a look into its code.My auto script includes the content of all loaded sfs's (excluding the zdrv.) Into the base sfs.
Just to mention...