[Coco] 6 Chip 6809 Computer PCB Price

[Kip Koon]

Hi Mathieu,
I just sent out a status update for Kipper SBC v1.1.  It now contains address decoding for up to 8 devices.  The Terminal/Keyboard now takes the place of the RS-232 connector and the MAX232 Voltage Translator chip.  Therefore the Terminal/Keyboard is now addressed at $A000-A1FF leaving address space for 7 more devices.  This should give you plenty of expansion room.  :)  Have fun!  

Kip Koon
computerdoc at sc.rr.com
http://www.cocopedia.com/wiki/index.php/Kip_Koon



-----Original Message-----
From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of Mathieu Chouinard
Sent: Wednesday, March 11, 2015 8:41 AM
To: CoCoList for Color Computer Enthusiasts
Subject: Re: [Coco] 6 Chip 6809 Computer PCB Price

Hi,
will do :)

On Tue, Mar 10, 2015 at 11:52 PM, Kip Koon <computerdoc at sc.rr.com> wrote:
> Hi Mathieu,
>> As long I can hook a sd card interface
> You should be able to as long as there is I/O space available.  
> Remember this is a 6 chip 6809 computer, which means things are not 
> fully decoded.  For example the MC68B50 ACIA is minimally decoded 
> which means it takes up $A000-$BFFF.  If you have not read Grant 
> Searle's web page on this project, please do so.  This design has 
> restrictions.  Please be sure you understand them.  :)
>
> Kip Koon
> computerdoc at sc.rr.com
> http://www.cocopedia.com/wiki/index.php/Kip_Koon
>
>
> -----Original Message-----
> From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of Mathieu 
> Chouinard
> Sent: Tuesday, March 10, 2015 8:59 PM
> To: CoCoList for Color Computer Enthusiasts
> Subject: Re: [Coco] 6 Chip 6809 Computer PCB Price
>
> As long I can hook a sd card interface On Mar 10, 2015 8:56 PM, "Kip 
> Koon" <computerdoc at sc.rr.com> wrote:
>
>> Hi Al,
>> I wanted to add an MMU at some point, but I don't remember without 
>> looking at my files if it is complete or Coco compatible.  I just 
>> don't remember which I decided on.
>>
>> Kip Koon
>> computerdoc at sc.rr.com
>> http://www.cocopedia.com/wiki/index.php/Kip_Koon
>>
>>
>>
>> -----Original Message-----
>> From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of Albert 
>> Hartman
>> Sent: Tuesday, March 10, 2015 7:48 PM
>> To: CoCoList for Color Computer Enthusiasts
>> Subject: Re: [Coco] 6 Chip 6809 Computer PCB Price
>>
>> I made that suggestion too...
>>
>>
>> Which is why I asked for a Coco bus. Then, you could plug Luis' board in.
>> But, I doubt anyone will get OS-9 or NitrOS-9 running in 32k.
>>
>>
>> You'd still need a way to input characters. Grant's keyboard and 
>> video board handles both.
>>
>>
>> Who knows? Maybe someone will figure out a way to put a full 64k or 
>> more on this board with bank switching.
>>
>>
>> -[ Al ]-
>>
>>
>> On Tue, Mar 10, 2015 at 07:39 PM, Juan Castro wrote:
>>
>> > On Tue, Mar 10, 2015 at 8:31 PM, Albert Hartman  wrote:
>> >>
>> >> 1. Add Grant's Video and Keyboard interface to the board, or make 
>> >> a separate board that can be attached via a header or cable.
>> >
>> > I made the crazy version of that suggestion: use Luis Antoniosi's 
>> > new
>> > V9958 WordPak instead. Some say it may be crazy enough to work.
>> >
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