[Coco] 6309

[L. Curtis Boyle]

It runs, just slower than it would in native mode. 

Sent from my iPhone

> On Mar 27, 2017, at 10:04 AM, Arthur Flexser <flexser at fiu.edu> wrote:
> 
> BTW, what happens if you're in emulation (non-native) mode and a
> 6309-specific instruction is encountered.  Is it executed, error-trapped,
> or what?
> 
> Art
> 
> On Mon, Mar 27, 2017 at 10:54 AM, L. Curtis Boyle <curtisboyle at sasktel.net>
> wrote:
> 
>> Just to clarify - you see around a 10% speed increase just by turning
>> native mode on. You can see a much bigger increase for code written
>> specifically for the new registers, new instructions, block memory moves,
>> etc. (like the 6309 version of NitrOS-9).
>> 
>> L. Curtis Boyle
>> curtisboyle at sasktel.net
>> 
>> 
>> 
>>> On Mar 26, 2017, at 11:06 PM, Dave Philipsen <dave at davebiz.com> wrote:
>>> 
>>> The HD63C09E is a microprocessor made by Hitachi that is pin-compatible
>> with the MC68B09E from Motorola (which is what your CoCo originally comes
>> with).  It is basically 100% compatible (with some pretty unremarkable
>> exceptions) with the 6809 but it also has a 'native mode' that can be
>> entered where it has improved performance.  The native mode also adds some
>> more registers and instructions.  Generally, the 6309 runs somewhere around
>> 10% faster than the 6809 and, if you take advantage of some of its
>> additional instructions it may even perform better than that.
>>> 
>>> There is a re-write of the OS9 operating system called NitrOS9 that
>> supports the native mode of the 6309 and gives you some performance
>> improvement although there is a version of NitrOS9 for the plain vanilla
>> 6809 too.  Given the fact that neither the 6809 nor the 6309 are being
>> actively produced anymore, a person may want to obtain a few just in case
>> he blows one up or something happens.  You should have enough of them to
>> last you through the rest of your lifetime or the expectancy that you will
>> be involved as a hobbyist with the CoCo or 6809/6309!
>>> 
>>> Dave
>>> 
>>> 
>>>> On 3/26/2017 11:50 PM, Steve C. wrote:
>>>> For those of us not maintaining the previous emails, what is the 6309,
>> why
>>>> do we want one or three of 'em, how much will they be if you reach 100,
>> and
>>>> do they come with sockets? Oh, and before I hit send, are they
>> compatible
>>>> with everything 6809? Oh, yes, and most importantly... dang I hit send.
>>>> 
>>>> On Sun, Mar 26, 2017 at 8:31 PM, camillus gmail <
>> camillus.b.58 at gmail.com>
>>>> wrote:
>>>> 
>>>>> Hi all,
>>>>> 
>>>>> As of this moment 3/26/2017 10:30 PM we have 74 count.
>>>>> 26 to go and knock off a dollar/piece....LOL
>>>>> 
>>>>> 
>>>>> cb
>>>>> 
>>>>> --
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>>>>> Coco at maltedmedia.com
>>>>> https://pairlist5.pair.net/mailman/listinfo/coco
>>>>> 
>>> 
>>> 
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>> 
>> 
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