Re: assembling the IIGS system source code (part 2)

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

<gids.rs@sasktel.net> wrote:
> On Saturday, March 2, 2013 11:18:27 PM UTC-6, Steve Nickolas wrote:
>> I wonder if this "Mark Twain" and the "Apple IIsi" are the same?
> 
> 
> 
> There were early comparisons of the 68k mnemonics to the 65816 mnemonics.
>  It would have been cool if the ROM was close enough that the processor
> could just be swapped out.
> 
> How does the IISI motherboard look compared to the description of the
> Twain motherboard?  Are the chips in virtually the same spot?

Not a chance. 

The 65xxx and 68xxx architectures are about as different as processors can
be!

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