[Coco] RESET on CoCo 1/2 vs CoCo 3

[John Collyer]

My mistake the CoCo 3 Reset vector points to $8C1B
The CoCo 1 and 2 Reset vector points to $A027

John Collyer

----- Original Message ----- 
From: "John Collyer" <johncollyer at zoominternet.net>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Saturday, January 24, 2004 10:06 AM
Subject: Re: [Coco] RESET on CoCo 1/2 vs CoCo 3


> In the CoCo 1, 2, and 3 the RESET vector located at $FFFE and
> points to $A027, which is BASIC's warm start check code.
> If you POKE any value, other then $55, in location $0071
> the CoCo 1, 2, and 3 will do a cold start.  Otherwise it'll do
> a warm start.  Check out the Unravelled Series of books.
>
> John Collyer
>
> ----- Original Message ----- 
> From: "Perry M Dueck" <pmdueck at shaw.ca>
> To: <coco at maltedmedia.com>
> Sent: Saturday, January 24, 2004 9:04 AM
> Subject: [Coco] RESET on CoCo 1/2 vs CoCo 3
>
>
> > Hi all,
> >
> > Although I owned a CoCo 3 system in 1987 to 1994 (and again from 2001 to
> > present and probably forever henceforth), I only recently have come into
> > ownership of a few CoCo 1 and CoCo 2 computers.
> >
> > Being primarily a CoCo 3 user, it was natural to hold down ALT  CTRL
and
> > press RESET to break out of programs and "reset" the entire machine to
its
> > original power up state, and start fresh without powering the computer
off
> > and then on again.
> >
> > With a CoCo 1 and 2, and certain software, when I want to break out of a
> > program, I'll press the RESET button on the back of the machine, but
then
> > it sometimes will throw the computer back into the program I was using
> > (again, some software will do this, other software will not). This
leaves
> > me with the only option of powering down the system, waiting for a bit
(as
> > is customary with powering electronics off and then back on), and then
> > switching the computer back on to start off "fresh".
> >
> > Is this sequence of events on the CoCo 1 and 2 my only option for
> resetting
> > the machine in certain situations, or is there some key combination I
can
> > use together with the RESET button (similar to the CoCo 3's  ALT  CTRL
> > RESET) to reboot the computer completely? Or perhaps some POKE commands
I
> > can enter before loading and executing software with would otherwise not
> > allow me to break out of the program by simply pressing the RESET button
> on
> > the back of the computer?
> >
> > Thanks for your advice/comments.
> >
> > best regards, Perry
> >
> >
> >
> > -- 
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> > Coco at maltedmedia.com
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> >
>
>
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