Re: NDapple: status

[steve@dosius.zzn.com (Dosius)]

Mike Guidero <mike@bogus.net> wrote in message news:<uos4u7nih3rcc0@corp.supernews.com>...

> Dosius,
> 
> I was thinking, if you ever want to add just one more card into [N]Dapple, 
> you might be able to combine the softcard and the mouse card into one slot.
> 
> Since the softcard contains no ROM, and is activated by a write to Cx00 
> space of the slot the card is in, and because CP/M detects the card by 
> simply writing to every Cx00 space until the Z80 starts, you can probably 
> just look for writes to any slot, no matter what ROM it contains.
CP/M 3.1 btw looks only in 4.  (Only works on Apple Oasis so far :(
...)

> 
> I'm not aware of any other cards that use the Cx00 (not counting C800 space) 
> for I/O, and I'm sure the mouse card doesn't.
> 
> Be worth a try if you ever wanted to emulate a smartport in slot 5, so that 
> you can have direct access to a 1.44 MB ProDOS-formatted floppy.
> 
> Mike
Now there's an idea to use... :) Thx

Now if only I knew how the mouse worked, I tried to write a program in
ApplePC's //c mode to read the mouse by GET A$ from IN#4, no
success...

For ProDOS I would have to use INT$13, which I haven't dared before.