Re: APPLE ][ Clone-Project?

[Stephen Shaw <xstephenx@apple2.org.za>]

On Wed, 30 Jan 2002 10:00:56 +0800, Allen Bong wrote:

>
> "Andrew Trotman" <andrew@ncbi.nlm.nih.gov> wrote in message
> news:6XA58.622$%D6.1662065@mencken.net.nih.gov...
>> > > is there a project out there in the endless net space, to build a 100%
>> > > compatible apple II clone with modern chips?
>>
>> I paid $5.00 for a stack of 30 Apple file://e motherboards on ebay.  They
> don't
>> boot without the keyboard attached, so I bought a keyboard for $5.00 too.
>>
>> This seems like the currently cheapest wasy to solve this problem at the
>> moment.  They are all original components and when I finally blow one up
>> I'll fix it from bits on the other motherboards.
>
> I totally agree with you on this aspect as the price of the IIe
> motherboards are coming down.  I have a few ordered just for spare.
>
> But doing such a II+ clone project would be costly but interesting.  This
> involved testing the board using wire wrapping board, programming PALs or
> GALs, replacing the DRAMs with a 128K x 8 static RAM or 4 pieces of 4464
> 4*64K DRAM.  And some one has to provide a completed double-sided, eched,
> with plate-through holes PCB before the rest can take advantage of the
> project.
>
> I am interested in the idea of making such a II+ clone,  provided some one
> would burn the PAL/GAL and FPGA for me.  Further more the project should
> not use any surface mounting chips except the FPGA which would go into a
> socket. I have some spare II+ motherboards and I can cut the part with the
> eight slots on it and join it to the II+ clone prototype  board by wires
> for testing.  That will cut down the board size by 50%.
>
>
>> There are some obvious projects to make this "more modern":
>>     Replace the Apple keyboard with a PC keyboard.
>
> On my next project list.
>
>>     Replace the Disk ][ with IDE controller / zip-drive.
>
> My current project at the moment.  Following Stephane Guillard's IDE for
> Apple2.  See http://s.guillard.free.fr/Apple2IDE/Apple2IDE.htm
>
>>     Replace the 80 Col card with a polygon rendering card.
>
> I doubt the 6502 running at 1.02Mhz has the horse power to work with this
> type of card.

Use a seperate co=processor to drive it instead?
 
>
>
> Allen.

-- 
Computer Hacker wanted. Must have own axe.