Mode 4 serial data

[Ludis Langens]

Dave Hempstead wrote:
> 
>    Mode 2 dumps do take awhile.  My scanner program used to support this mode.
> However,  in my PCM, mode 2 dumps can dump every address in the PCM
> EXCEPT address 0xFFFF.  Therefore, you cannot use this data to reprogram
> your PCM (unless you try to guess at the contents of 0xFFFF).

If the memory image has a checksum, you could work backwards from it to
get the value of location 0xffff.  Of course, this assumes that the
checksum is correct.

-- 
Ludis Langens                               ludis (at) cruzers (dot) com
Mac, Fiero, & engine controller goodies:  http://www.cruzers.com/~ludis/