Re: Apple Integer BASIC firmware card

[Stephen Shaw <xstephenx@apple2.org.za>]

Umm, this Senior PROM sounds interesting Michael. Have you got a copy you could
send me?

On 01 Jul 2001 15:54:02 GMT, Michael J. Mahon wrote:

> Dennis Doms wrote:
>
>>You could also install a patched ROM to try and capture the "critical"
>>areas, in effect making a "poor person's Wildcard".
>
> Ah, yes...the Senior PROM comes immediately to mind!
>
> Far more than a "poor person's Wildcard", the Senior PROM was a
> "double" boot ROM, with a high-order address line controlled by a switch,
> that allowed the user to switch to a very friendly debug/memory capture
> mode instantly.
>
> -michael
>
>  Email:  mjmahon@aol.com
>  Home page:  http://members.aol.com/MJMahon/

-- 
... Digital circuits are made from analogue parts.