CP/M on an Apple II ?

[Vintage Computer Festival]

On Sat, 8 Oct 2005, Chuck Guzis wrote:

> The big weakness in the Apple II disk was the lack of really good error
> checking. A simple one-byte arithmetic checksum was used in lieu of a
> CRC and I've personally experienced corrupted data flying by without
> being diagnosed.

This is over-stated quite grandly.  The Apple ][ disk system was
extremely reliable.  And it still is.  My 20 year old disks still read and
write just fine.

> If you're looking for a good no-nonsense book on the innards of the IIe,
> try to find Jim Sather's book "Understanding the Apple IIe" (Quality
> Software). Long OOP, it's one of the better references.

It's a very hard book to find, but worth it if you do.

-- 

Sellam Ismail                                        Vintage Computer Festival
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