Re: ROM Dump of Amiga Keyboard controller

From: Konrad B <konrad0x42_at_gmail.com>
Date: Fri, 20 Jun 2014 00:05:42 +0200
Message-ID: <CAB5WB+tW+rn4M5va9UPJWrkDdDy-bZfo5TABZgi=FnVPDCdY3A@mail.gmail.com>
Guys, I have a bunch of the 1520 ploter MCUs... They are 6500/1 of course.

Regards,
Konrad


W dniu poniedziaƂek, 16 czerwca 2014 smf <smf@null.net> napisaƂ(a):

> Many micros with a similar "load the program over a port" mode disable
>> that mode as soon as some jump instruction is executed (those do not make
>> sense when blasting in the insns anyway); maybe the 6500/1 does something
>> similar?  It shouldn't be very hard to try out all ops, see which ones
>> stop port fetch.
>>
>
> Most microcontrollers don't have a way of switching modes without a reset,
> purely to make it hard to dump the internal rom. All you can hope is they
> never considered trying to make it secure.
>
>
>       Message was sent through the cbm-hackers mailing list
>


       Message was sent through the cbm-hackers mailing list
Received on 2014-06-19 23:00:02

Archive generated by hypermail 2.2.0.