[Coco] CoCo-XT RTC ROM and disk

[Jim McClanahan]

Can you PEEK () the ROM from BASIC? That would tell you if the ROM was on
the bus and what the contents are.

Not exactly sure what you are doing, so that may not be helpful. But my
experience with EPROMs is that if they erase and I can successfully verify
the write, they work. In my homebrew systems it is usually a wiring or
timing problem when they don't.

good luck,
Jim

On Sat, Sep 1, 2018, 11:21 AM John Mautz <ejmautz2 at gmail.com> wrote:

> Ok, received my tube of 2764A chips.  I've tried twice (each with a new
> chip) and when I put it in my CoCo-XT card it does not recognize the
> CoCo-XT.  It just boots to the normal CoCo3 screen.  When I put the old
> v2.3 ROM back it it boots fine so I didn't blow that part up.  Both chips
> passed verification, so that should be fine.
>
> I'm using a USBPrg GQ-4X programmer (mine is the 4x not the 4x4 which is
> the current version -
> http://www.mcumall.com/comersus/store/comersus_viewItem.asp?idProduct=4282
> ,
> only for reference to help me out not an advertisement, as naturally I'm
> having trouble).  When I open the XT-ROM30.Bin, I have a choice of Read
> mode, Fill Mode and File offset. I just chose defaults, Read Mode = Normal,
> Fill Mode = Normal, File Offset = 000000.
>
> Before I start the trial and error process of burn, test, UV erase, does
> anyone have any guidance?
>
> Thanks,
> John.
>
> On Mon, Aug 27, 2018 at 10:35 PM John Mautz <ejmautz2 at gmail.com> wrote:
>
> > Thank you all.  I'm just waiting on my EPROMS to arrive and I can start
> > playing.  You help is much appreciated.
> >
> > On Mon, Aug 27, 2018 at 4:23 PM rietveld rietveld <rietveldh at hotmail.com
> >
> > wrote:
> >
> >> I actually have 3.1 or 3.01.    I can upload that if it's not in the
> >> archive. As far as I know that was the final release. Unfortunately I
> don't
> >> think I have the manual for it but I definitely have the ROM
> >>
> >> Sent from my BlackBerry 10 smartphone.
> >>   Original Message
> >> From: tonym
> >> Sent: Monday, August 27, 2018 4:14 PM
> >> To: coco at maltedmedia.com
> >> Reply To: CoCoList for Color Computer Enthusiasts
> >> Subject: Re: [Coco] CoCo-XT RTC ROM and disk
> >>
> >>
> >> Pretty sure I uploaded the 3.0 ROM, and manual, a few years back. might
> >> be on "THE ftp" though...
> >>
> >> Tony
> >>
> >>
> >> ---- Original Message ----
> >> From: "Grumpyx" <grumpyx at gmail.com>
> >> Sent: 8/26/2018 9:39:03 PM
> >> To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
> >> Subject: Re: [Coco] CoCo-XT RTC ROM and disk
> >>
> >> The color computer archive has them:
> >>
> >> http://www.colorcomputerarchive.com/search?q=burke&ww=0&cat=&cs=0
> >>
> >> The XT-ROM zip file has several version including 3.0
> >>
> >>
> >>
> >> On Sat, Aug 25, 2018 at 6:55 PM John Mautz <ejmautz2 at gmail.com> wrote:
> >>
> >> > Hello,
> >> >
> >> > I picked up a CoCo-XT RTC a few months ago.  It works great as it came
> >> with
> >> > what I was told is a 5MB HD.  My CoCo-XT has the Western Digital
> >> 1002A-WX1
> >> > card int it.  When it boots it show the Burke & Burke ROM version to
> be
> >> > 2.3.  I don't see a version on the CoCo-XT RTC card (other than the
> >> > copyright 1988, though it could be on the back of the card).    I've
> >> doing
> >> > some searches for about a week now and I must be searching the wrong
> >> way as
> >> > I'm not finding any hits.
> >> >
> >> > This brings me to my 2 questions:
> >> > 1) Does anyone have a newer version of the ROM?  If so can you
> provide a
> >> > link or send it to me?  I have searched around and all I can find is
> the
> >> > manual for version 2.4 and a 2.5 supplement. - BTW: I'm willing to
> read
> >> and
> >> > upload my version 2.3 ROM if someone wants it.
> >> >
> >> > 2) Has anyone see the disk imaged some place?  I've looked and I seen
> >> where
> >> > it used to be sold for $24.99 but no links to the actual software.
> >> >
> >> > So other than completeness, why do I ask?  I was able to get a Tandy
> >> 20MB
> >> > external hard drive.  The PS was dead so I replaced that and would
> like
> >> to
> >> > use the Seagate ST-225 that came with it.  Therefore I need the disk
> >> with
> >> > the utilities on it.
> >> >
> >> > Thanks,
> >> > John.
> >> >
> >> > --
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> >> > Coco at maltedmedia.com
> >> > https://pairlist5.pair.net/mailman/listinfo/coco
> >> >
> >>
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> >
>
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