Originally Posted by mc6809e
This whole discussion of speed ignores one important point, however, and that's the ability of the Amiga to perform operations concurrently with the CPU.
I imply this in first post: "How much time is left for CPU while blitter doing fills (in case that there is no fast ram, and case with fast ram)..."
inspired by discussion at atari forum in topic about ST and Amiga blitter (where you also take part!
you are right, using blitter in parallel with CPU would complicated entire process but it would be probably biggest gain in speed.