Re: Apple II lores GR "movies"

[heuser.marcus@freenet.de]

Michael J. Mahon wrote:
>
> Memory-to-memory moving on a 1MHz 6502 is limited to 9 cycles per
> byte _in the limit_ of complete unrolling of the copy loop.  Any
> real copy will run slower.  That translates to more than 147ms to
> move 16KB, even if you never had to pause to read disk.

Should suffice for 2-3 frames/sec.

On the other hand black&white dithered video in normal graphics mode
(280x192) would probably look better, maybe a bit easier to implement
and use only 8K per buffer.

I've seen videos running on an 8-bit Atari (streaming from a harddisk)
with the standard 8K frambuffer with good results. No 15 fps/sec,
though ;)

Worth testing, imho.

bye
Marcus