[Coco] CoCo-XT RTC ROM and disk

Sat Sep 1 11:32:28 EDT 2018

Yeah, with the controller plugged in with the new ROM, what do you get when you PEEK(&HC000) and PEEK(&HC001)?

Dave

> On Sep 1, 2018, at 10:29 AM, Jim McClanahan <jim30109 at gmail.com> wrote:
> 
> 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.
>>>>> 
>>>>> --
>>>>> Coco mailing list
>>>>> Coco at maltedmedia.com
>>>>> https://pairlist5.pair.net/mailman/listinfo/coco
>>>>> 
>>>> 
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