[Coco] Level 1 & Drivewire

[Bill Nobel]

You are definitely right there Joel,  I have looked at the Drivewire code and see how it’s done.  I am prioritizing things a little better as I think having the MMU with Level 2 first would be very helpful in this incarnation using Neal’s Multicomp.

Bill Nobel

> On Jan 2, 2016, at 9:07 PM, Joel Ewy <jcewy at swbell.net> wrote:
> 
> On 01/02/2016 12:30 PM, Neal Crook wrote:
>> Hi Bill (Nobel),
>> 
>> I checked the Drivewire spec. and found that it calls for 1 start + 8 data
>> + 1 stop and that 115,200bps is a supported speed.
>> I reviewed the UART RTL and ran an RTL simulation and confirmed that the
>> UART is hard-wired for 1 start + 8 data + 1 stop -- and the default
>> configuration runs at 115,200bps.
>> 
>> In summary, I was incorrect to indicate any hardware impediment. It seems
>> as though "all" that's needed is a version of dwio.asm that writes to a
>> 6850-style UART. Are you interest in working on this?
> 
> Another benefit of a DW driver that uses a 6850-style UART would be possible support for the SWTPC.
> 
> JCE
> 
>> regards,
>> 
>> Neal.
>> 
> [trim...]
> 
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