[comp.sys.mac] Mac Roms - Whats actually needed?

lharris@gpu.utcs.toronto.edu (Leonard Harris) (07/02/88)

Does anyone know exactly what routines are still needed from Mac SE
roms now that the system and finder approach 100's of K.  Also, how
does one replace routines that are at the system level - I guess what
I'm trying to ask is how the mac builds its resource heap.  Suppose I
hacked together a ST506 type hard disk interface or added other system
level hardware - how do I get these to be recognized over standard system
routines.
I hope this question makes some sense.
/Leonard