Applied - again with a little massaging and generalization.

Patch attached.

On 22-Jan-2001 Grant Edwards wrote:
> 
> Attached is a patch that uses the HAL_TABLE mechanism to allow
> the user to register a main-loop callback routine via the macro
> RedBoot_loop() much the same why you can register an
> initialization routine using RedBoot_init().
> 
> NB: This patch also changes the main-loop gets() timeout from
>     250ms to 10ms.  I was thinking about making that value
>     adjustable via cdl, but haven't done it.
> 
> -- 
> Grant Edwards
> grante@visi.com