Re: Apple IIc ROMS

[Rubywand <rubywand@swbell.net>]

John G. writes ...
> 
> Mitchell Spector wrote:(spec@vax2.concordia.ca )
> .
> 
> ((((There is no such thing any IIc firmware that reports "1". Further-
> more a motherboard swap is not required, you can do a ROM chip swap to
> upgrade with a simple modification (cut one trace with a blade, close
> another with a drop of solder). Here are the possible values you can
> get, typing what I mention above--and what they are:
> 
> "255" = original ROM, only supports external 5.25 drive
>   "0" = UniDisk 3.5 supported
>   "3" = memory expansion motherboard
>   "4" = memory expansion motherboard with ROM bug fixes
>   "5" = Apple IIc Plus)))))
> 
> Where can I find the source listing for these roms, because
> I have a version 3 motherboard and I would like to program new
> ROMs with the bug fixes as in version 4. I,ll also need the type
> Rom chips used.
> 


     On 25 November, Patrick Schaefer announced the uploading of a
number of ROM image files to ...

ftp://apple.cabi.net/pub/apple_ii/incoming/.

Evidently, this and a suggestion from Supertimer inspired the site
manager to create a ROMs folder. Check the Asimov-GS archive at ...

ftp://apple.cabi.net/pub/applegs/A2.ROM.Images/

I do not know its version number, but, at least one //c ROM is included
in the collection. 

     You can find another //c ROM file at ...

ftp://ftp.apple.asimov.net/pub/apple_II/emulators/rom_images/


     Good luck with your upgrade.



Rubywand