Re: Apple II $D0 ROM chips

[Michael J. Mahon <mjmahon@aol.com>]

Steven Weyhrich <a2history@gmail.com> wrote:
> On Saturday, February 2, 2013 7:05:45 PM UTC-6, Michael J. Mahon wrote:
>> Steven Weyhrich <a2history@gmail.com> wrote:
>> 
>>> On the original Integer BASIC Apple II, there were two ROM sockets for
>> 
>>> custom code. Apple sold the Programmer's Aid #1 for the $D000-$D7FF
>> 
>>> address, and the other, $D800-$DFFF, was empty. 
>> 
>>> 
>> 
>>> In my History, I have a statement that other ROMs were sold to use in
>> 
>>> this space, but I cannot find any reference to such products existing.
>> 
>>> Does anyone know if there actually WERE products ever sold for either of
>> 
>>> these two ROM spaces?
>> 
>> 
>> 
>> Yes, for example The Inspector, a disk browsing/editing utility. I believe
>> 
>> that Watson was also part of this ROM. 
>> 
>> 
>> 
>> -michael - NadaNet 3.1 and AppleCrate II: http://home.comcast.net/~mjmahon
> 
> I know that was available on disk. I never knew it came on ROM also. Do
> you happen to know if it used the first ($D0) or second ($D8) space? Do
> you know when it was released?

It was in the $D800 space to allow it to coexist with the Programmer's Aid
ROM. 

I never actually had one, but I had an Integer BASIC image that contained
it, along with the Programmer's Aid image. 

It was quite early, soon after the Disk ][ I'd guess. 

-michael - NadaNet 3.1 and AppleCrate II: http://home.comcast.net/~mjmahon