Question about modems

[Jim Brain]

On 11/15/2019 12:37 AM, Jim Brain wrote:
> Looks like there might be a few more corner cases as well.  Maybe 
> modems did not accept mixed case.  AT and at seem to work fine... 
> Anyone have a modem handy to check?

Spoiler alert... They do not.  Only 'at' and 'AT' are recognized.  So, 
bit 5 of both chars must be the same for the command to be handled.

Jim

-- 
Jim Brain
brain at jbrain.com
www.jbrain.com