NV RAM update

[CSH-HQ]

Stunning, congratulations
Bruce

>Hi all,
>
>I was able to get the Dallas battery backed-up RAM chip working in the
>730 over the weekend. I can now read/write bytes and execute code
>from the address space usually containing the EPROM. The address space 
>is switchable between NVRAM and EPROM (soon to be FLASH). There is
>also a write protection switch to protect the NVRAM contains in case of 
>a "crash".
>
>The next task is to write aldl routines to modify data on the fly. 
>
>john gwynne
>