[Coco] Update: os9gen on 128k coco3, rs323 pack

[Steven Hirsch]

On Sun, 15 Feb 2009, Michael Furman wrote:

>> That said, the sc6551 driver could really use an adoptive parent at this 
>> point; someone to take it under their wings and really work to understand 
>> it (and fix lingering issues).
>
> Looks like the driver has a good amount of comments.  On first glance it 
> looks like the Write function is supposed to check DCD and report an error if 
> it's not active. I don't see where the DCD/DSR flags that it checks get 
> updated anywhere... I need to print this sucker out and study it more 
> closely.

Most Apple 2 serial adapters used the 6551 chip and ISTR it has some 
notorious quirks.  Disclaimer: It's been about 20 years since I've had my 
feet in those bits, so the recollectors may be rusty.

Steve


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