[Coco] gcc m6809 update

[jdaggett at gate.net]

Motorola at one time was shipping well over ten million HC11E9 each year. 
The flavor of the HC11 that I was using on a project was the third or fourth 
popular flavor, the HC11P8. At one time we were using almost 2 million per 
year. At one time there were about 20 or 30 flavors of HC11. The HC11 is 
being replaced by the HC12 in automobile use. The HC12 is upward source 
compatible and has some of the same instructions that the 6809 has. Almost 
like taking the best of the 6809 and the HC11 and combining them. They just 
needed to add one more register, U.

james
   

On 12 Jan 2004 at 23:59, Roger Taylor wrote:

Date sent:      	Mon, 12 Jan 2004 23:59:41 -0600
To:             	CoCoList for Color Computer Enthusiasts 
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From:           	Roger Taylor <rtaylor at bayou.com>
Subject:        	Re: [Coco] gcc m6809 update
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> At 06:45 PM 1/12/2004 -1000, you wrote:
> >On Jan 12, 2004, at 6:20 PM, Roger Taylor wrote:
> >
> >>Can 6811 code run on the CoCo or 6809?
> >
> >It may be possible to assemble 6811/6800 code with a 6809 assembler
> >and run it (like you can do with 8080 code on an x86) but it will not
> >run directly.  I am not completely sure what all the enhancements
> >from the 6800 to the 6811 are.
> 
> Just trying to figure out how this will help the CoCo if the gcc6809
> project is converted to a gcc6811 project.  Btw, I thought I read
> somewhere that the "HC11" is the most used CPU in embedded systems,
> but I'm not totally sure about the CPU name... but it wasn't the 6809,
> which is very hard to believe.  In fact, I still don't believe it. :)
> 
> 
> ----------
> Roger Taylor
> 
> 
> 
> 
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