Ed Orbea | 26 Apr 01:48 2015
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The Creature that Ate Sheboygan

Jim:

I am a avid fan of the SPI Fantasy & Science Fiction Game Series (from
Creature that ate Sheboygen to Albion, Land of Farie to StarForce).
I'd love to have an CoCo version of the game and if you want a play-tester
(using a CoCo3) I would happily volunteer.

+----------------+
*Ed Orbea*
Poulsbo, WA

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Brad Dillon | 25 Apr 21:38 2015
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Coco3 old and newer GIME chip differences?

What is the difference between the two versions of the GIME chip for the Coco3?  I have the old version
currently - should I swap out with the new version if possible?

Is the video output better, more features, etc?  Any incompatibilities between the two versions?
 		 	   		  

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Daniel Campos | 25 Apr 18:28 2015
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Easy way to copy 40 track disks to the CoCoSDC?

Hello,

I'm continuing on my efforts to recover the remaining disks, but some of 
them are 40 track disks and I think the BACKUP command on the SDC-DOS is 
not recognizing the sources as 40 tracks. There is some way to easily 
copy them to a .SDF file ?

Daniel

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Jim Gerrie | 25 Apr 17:11 2015
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Jim Gerrie <jimgerrie@...>

The Creature that Ate Sheboygan

I have created a new game for the TRS-80 MC-10. It's my attempt to create a
Micro Color BASIC version of the classic Board game "The Creature that Ate
Sheboygan."  The original game was designed by the brilliant board game
designer Greg Costikyan.

For a play-through (at the highest level) see:

https://youtu.be/pBsSUlI4JZ0

If there is any interest I'll start working on porting it to Coco and
Dragon.

All my best to all the Fest goers.  I hope now gaint Kaiju come down the
turnpike!

Jim G.

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Barry Nelson | 25 Apr 06:11 2015

Re: Upgrading RAM for CoCo 1

This is what I found.

http://sparksandflames.com/files/TandysLittleWonder-2nded.pdf

"E" boards were the first to be upgradable to 32K. These require simply installing 64K chips in place of the
existing 16K units and moving the jumpers (one between U8 and U9, three next to the keyboard connector, and
one just below C44) to the 32K position. Hmmm... 64K chips but only 32K RAM? That’s correct! 32K was
selected as the maximum supported RAM because Color BASIC couldn’t use more than 32K anyway, and no
other operating system was available at the time. There never were any 32K DRAM chips made. 32K chips were
made up by piggy backing 16K DRAMs, even commercially! Tandy got discount prices on half good 64K chips
(half bad?). There is a jumper located near U29 marked HIGH and LOW. This selected either the upper 32K or
lower 32K halves of the 64K chips (all the chips had to have the same half bad, Tandy just sorted them before
installing). If new chips were purchased, it won’t matter which half is selected. Later versions have
all good 64K DRAM as the supply of half-good chips dwindled.

On page 69 of this pdf, it shows the 16k/32k jumpers, one of which changes a line going to the ram chips from 12v
to 5v.

http://sparksandflames.com/files/Color%20Computer%20Technical%20Reference%20Manual%20(Tandy).pdf

On Apr 24, 2015, at 11:05 PM, Don Akins <donald <at> dra.space> wrote:

> Will those 5 volt chips work in the CoCo1 or do I need to do some modification to make them work?
> 
>> On April 24, 2015 at 10:45 PM Barry Nelson <barry.nelson <at> amobiledevice.com> wrote:
>> 
>> http://www.jameco.com/1/1/1851-4164-150-dram-64k-x-1-120ns-dip-16-memory.html
>> 
>> On Apr 24, 2015, at 10:19 PM, coco-request <at> maltedmedia.com wrote:
>>> Date: Fri, 24 Apr 2015 22:19:46 -0400 (EDT)
(Continue reading)

Barry Nelson | 25 Apr 04:45 2015

Re: Upgrading RAM for CoCo 1

http://www.jameco.com/1/1/1851-4164-150-dram-64k-x-1-120ns-dip-16-memory.html

On Apr 24, 2015, at 10:19 PM, coco-request <at> maltedmedia.com wrote:

> Date: Fri, 24 Apr 2015 22:19:46 -0400 (EDT)
> From: "donald <at> dra.space donald <at> dra.space" <donald <at> dra.space>
> To: coco <at> maltedmedia.com
> Subject: [Coco] Upgrading RAM for CoCo 1
> Message-ID:
> 	<1025448239.115410.1429928386457.JavaMail.open-xchange <at> app4.ox.privateemail.com>
> 	
> Content-Type: text/plain; charset=UTF-8
> 
> Hi Guys,
> 
> 
> I recently bought a silver CoCo 1 and when I booted it up it only recognized 8k
> ram out of 16k. So I opened it up and noticed that some of the ram chips
> appeared to have burnt out. The motherboard has jumpers for 64k so this board
> must be one of the later revisions of the CoCo 1. I pulled one of the chips I
> out which is a 4116N-3GP. Are there any equivalent 64k chips out there today for
> a CoCo 1?
> 
> 
> Don

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(Continue reading)

Barry Nelson | 25 Apr 04:32 2015

Re: A little help with OS9

Color Computer Disk Utility version 0.7

About:

This program is a Graphical Front End utility that communicates with the fdrawcmd.sys floppy disk driver
available from <http://simonowen.com>. The purpose of this utility is to allow Windows XP, 2000, Vista,
etc.... users to read, write and format floppy disks for use with the Tandy Color Computer. 

http://www.nitros9.org/howto.html

Since Windows 2000 / XP / Vista don't allow direct access to the hardware, Fdrawcmd.sys , a special driver is needed.
After installing it, download CoCoDisk .
This program is quite simple to use.

On Apr 24, 2015, at 1:03 AM, Dave Philipsen <dave <at> davebiz.com> wrote:

> Excellent!  That's not too difficult.  If I had enough time I'd do it tonight but it"ll probably have to wait
'til tomorrow.  Another question: Does anyone know if there are any drivers that would allow me to read my
old OS9 floppies (720K 3.5") on a modern computer say, under Windows or Linux perhaps?
> 
> On 4/23/2015 11:24 PM, Barry Nelson wrote:
>>  The easiest way for you to get your CoCo 3s running again is probably using Drivewire. The site is
https://sites.google.com/site/drivewire4/. For initial testing you can load drivewire through the
cassette port with the wav file inside this zip file:
http://www.frontiernet.net/~mmarlette/Cloud-9/Software/drivewire.zip. The wav file hdbcc3.wav
will load a version of HDB dos that works with drivewire. I think the wav file dw3doscc3.wav boots Nitros9
directly. There are also rom images you can burn and install into a cartridge so that you don't have to
constantly load from "cassette". You will need a PC, Mac, or Linux computer with a serial port or a USB to
serial adapter, and a serial to CoCo "bit banger" 4 pin serial port cable. The pinout for the cable is below.
If you can eventually get a floppy controller, you can install the ROM in the floppy controller like I have
(Continue reading)

Upgrading RAM for CoCo 1

Hi Guys,

I recently bought a silver CoCo 1 and when I booted it up it only recognized 8k
ram out of 16k. So I opened it up and noticed that some of the ram chips
appeared to have burnt out. The motherboard has jumpers for 64k so this board
must be one of the later revisions of the CoCo 1. I pulled one of the chips I
out which is a 4116N-3GP. Are there any equivalent 64k chips out there today for
a CoCo 1?

Don

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Vincent Tran | 25 Apr 01:58 2015

Virtual Me

Hi - John Mark Mobley was nice enough to offer to wear an iPod around his
neck and Facetime me while he's at CocoFest!  So I guess I'll see everyone
tomorrow for as long as John's device has juice.

-Vincent

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Salvador Garcia | 25 Apr 01:03 2015
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The Quest for Almazar

Hi all,

A few days ago Bill provided us with a link to a text game called Search for Almazar. I was curious enough that I
wanted to see how it looked. I downloaded the file. Then it hit me:

1. I don't have a CoCo
2. I have not done anything CoCo since the 80s
3. What am I supposed to do with this DSK file?

Of course you all came o rescue retroactively. I have been reading this list since May 2014 (except for Dec -
Feb) and I had read about emulators and DSK images. The Becker port for VCC came up rather frequently so I
searched for the VCC emulator, found it and installed it. (v1.43b). After poking about I found the way to
mount a disk image, used it and discovered that it happily mounted the DSK file that I downloaded.

Once mounted I typed LIST and nothing happened.

I tried DIR and got a directory listing that went off screen. I did not remember if there was a way to view the
files such that the top one would not go off screen. No luck with that. After listing the files a few time I
managed to see that the file name was almazar.bas. No problem. I typed in LOAD ALMAZAR.BAS

I got a TM? error.

Did I need to specify a drive unit?

Was there a way to "switch over" to the drive?

Google here I come. I search for disk basic load and got a few hits, this being one of them: 

http://www.cs.unc.edu/~yakowenk/coco/text/diskbasic.html  

(Continue reading)

Kip Koon | 24 Apr 22:00 2015
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I here!

Hi Jim,

I need to go to Fry's Electronics for a couple things.  I understand it is
nearby Heron Point Inn.  I'm really beat so I'd like to bum a ride with
someone this afternoon or evening before they close if possible.  I really
need to do this today!  Thank in advance!

Kip Koon

 <mailto:computerdoc <at> sc.rr.com> computerdoc <at> sc.rr.com

 <http://www.cocopedia.com/wiki/index.php/Kip_Koon>
http://www.cocopedia.com/wiki/index.php/Kip_Koon

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Gmane