That dual RX02 disk system went for $81. Different buyer than the development system, however. In any case, they both got one helluva deal on those items. ...
3927
erd_6502
Aug 3, 2005 6:45 am
... Those aren't RX02 drives - those are RCA 8" drives... RX02s are a DEC drive that includes a pair of raw 8" drives attached to two *large* boards that have...
3928
rileym65
Aug 3, 2005 11:10 pm
I have been giving some thought lately to solving the sync issues when using XR to receive files onto Elf/OS disks,,,for those who do not remember the...
3929
rileym65
Aug 3, 2005 11:20 pm
For those interested, I have uploaded to the files section (in my folder) the XR.ASM file with the IN modifiction Mike...
3930
craigsherenow
Aug 7, 2005 6:01 pm
hey group been a few months since i posted last just wanted to see if any one started building and selling the Membership Card elf thanks craig...
3931
rileym65
Aug 8, 2005 11:03 pm
If anybody is interested, i have uploaded to the ElfOS folder in the files section Conway's Game of Life for Elf/OS. Grids up to 75x24 are supported....
3932
rdhays82604
Aug 9, 2005 10:39 pm
Just listed on E-BAY: http://cgi.ebay.com/Aug-76-July-77-Pop-Electronics-COSMAC-ELF- issues_W0QQitemZ5227935299QQcategoryZ1247QQssPageNameZWDVWQQrdZ1QQcmdZV ...
3933
Lee Hart
leealanhart
Aug 10, 2005 4:12 pm
... Sorry Craig, but I haven't gotten any farther on my design. I have it breadboarded on an EL socket, but have been struggling with packaging issues in...
3934
Gary Giles
buzzgiles2000
Aug 11, 2005 2:36 am
Hi everyone, My name is Buzz and I'm new to the group. A couple of weeks ago I came across My old Quest Cosmac Elf Rev.2.1 board I made it in 1977 and at the...
3935
Aurel Boisvert
aurelbois_ca
Aug 11, 2005 1:45 pm
Go this link and you should be able to get the manual with the diagram: http://groups.msn.com/RCACDP1802CosmacComputer/questresources.msnw ... From: "Gary...
3936
Gary Giles
buzzgiles2000
Aug 11, 2005 3:45 pm
Thanks for looking Aurel, But that's the second computer that Quest made (the Super), the one I'm looking for is the Quest Cosmac Elf Rev.2.1 board. It's very ...
3937
djulio99
Aug 11, 2005 9:21 pm
Hey Buzz, This board had toggles and the TI hex displays (and, I think, a 32-byte monitor prom)? My very first computer was a single-board elf from Quest...
3939
Gary Giles
buzzgiles2000
Aug 12, 2005 12:42 am
Here are some pictures of the Quest Cosmac Elf Board. http://www.flatheadracing.com/HPIM0201.JPG The Model number. http://www.flatheadracing.com/model.bmp Hope...
3940
Gary Giles
buzzgiles2000
Aug 12, 2005 12:43 am
Thank's Dan ... 32-byte monitor prom)? ... Electronics. I will have to dig for...
3941
Andrew Wasson
awasson2001
Aug 12, 2005 6:15 am
Hey Buzz, Paul Messinger is a member here and probably designed your Elf when he was over at Quest Electronics. I haven't heard from him for a little while but...
3942
Paul Messinger
phmessinger
Aug 12, 2005 2:18 pm
Yes but I am not sure of what I have for than version. Its basically identical to the POP articles with a battery backup RAM circuit added on for that version...
3943
Andrew Wasson
awasson2001
Aug 12, 2005 4:02 pm
Hey Lee, I'm in the middle of moving across town and renovating the new place however before I got sidetracked I started working on a mini-elf design of my...
3944
Lee Hart
leealanhart
Aug 13, 2005 1:34 am
... So you're simulating the 1802 with the Scenix SX28? That would sure certainly minimize the number of parts! Jus for reference, here's the parts list for my...
3945
Andrew Wasson
awasson2001
Aug 13, 2005 7:45 am
Hi Lee, Nope, I'm not simulating the 1802 with an SX microcontroller, I'm simulating the support circuiry with the SX. (The thought did cross my mind...
3946
Gary Giles
buzzgiles2000
Aug 17, 2005 12:29 pm
There is a picture in the photo section of a Quest Cosmac Elf I Does any one know the switch layout. There are 5 control switches, I know the most left switch...
3947
Gary Giles
buzzgiles2000
Aug 17, 2005 3:31 pm
I got it....from left to right: IN M (eprom) MP LD RUN I found it from a picture in a computer museum site TNX Gary...
3948
djulio99
Aug 18, 2005 10:38 pm
Hey Buzz, I scanned this in as a jpg file. It's about 700k. How would you like me to get it too you? And I have a general question. It turns out a I have a...
3949
Dave Ruske
druske
Aug 18, 2005 10:59 pm
... Copyright must always be considered. Please do not post material here without the copyright holder's permission. That said, the copyright holder for the...
3950
Paul Messinger
phmessinger
Aug 19, 2005 12:41 am
I have the copyright on the Quest products. I am slowly scanning these into a PDF format with proper restrictions in copying and discourage others in doing so...
3951
Chris Wardell
cwardell2000
Aug 19, 2005 10:11 pm
I'm planning to do a wire-wrapped ELF this fall and wanted to get some input from the group. I have an old OK "Just Wrap" tool that served well over the years ...
3952
custom77chevy
Aug 20, 2005 6:14 pm
hello group i been reading post from the group and playing with a elf emulator but now want to try the real thing first question what would be the cheapest way...
3953
custom77chevy
Aug 20, 2005 6:15 pm
the one thing that cought my eye is that the people conect the elf or other small pcs to bigger computer is with a PC's parallel port . i am just wondering...
3954
Andrew Wasson
awasson2001
Aug 21, 2005 7:33 am
Hey Craig, If you want to get your feet wet fast build one of Bob's STG Elf2000 microcomputers. http://www.sparetimegizmos.com/Hardware/Elf2K.htm I've got a...
3955
Bill Rowe
bill_rowe_ot...
Aug 21, 2005 1:44 pm
I think the idea of the parallel port was that you could directly load the elf my mimicking the switches without any onboard rom or extra parts. The charm of...
3956
J.C. Wren
jcwren
Aug 21, 2005 1:51 pm
USB to parallel (or serial) is pretty easy with the FTDI chips. There's support both under Windoze and Linux for them. --jc ... [Non-text portions of this...
