Loading ...
Sorry, an error occurred while loading the content.

Messages List

16064

Re: OTish S-100 Back Plane

... There definitely were 1802's on the S-100 bus. I remember an article in Byte magazine on building an 1802 CPU board. At Technical Micro Systems, we used to
Lee Hart
6:03 PM
#16064
 
16063

Re: VCF-East 10.0 and COSMAC

... There are *old* RPOMs available in narrow 0.3" wide packages. These tend to be bipolar fusible-link types; not erasable EPROMs. Way back in the 1970's I
Lee Hart
5:39 PM
#16063
 
16062

OTish S-100 Back Plane

Hi Guys, Not many 1802 S-100 boards... but someone here might be interested....? Todd Goodman over at the N8VEM group is doing a run of S-100 back plane boards
joshbensadon
4:06 PM
#16062
 
16061

SpareTimeGizmos ELF 2000 Complete Kit for Sale

Greetings, I have a complete SpareTimeGizmos ELF 2000 Kit for Sale. It contains the circuit board, EPROM, GAL, 6 TIL311 displays, an 1802ACE, plus a real
buginthedrain@sbcglobal.net
2:27 PM
#16061
 
16060

Re: VCF-East 10.0 and COSMAC

The nvrams I use are fine for persistent memory in an 1802 system. I would like to work with an 1806 and I'll need some rom for boot loading it.
bill rowe
12:38 PM
#16060
 
16059

Re: VCF-East 10.0 and COSMAC

I believe that Simtek made some (acquired by Cypress) and they may still have some narrow 28-pin versions: http://www.cypress.com/?docID=34302 ... From:
robotdoctor
May 5
#16059
 
16058

Re: VCF-East 10.0 and COSMAC

... Thanks for the pictures and notes of the rom/ram [kit Web page]. Are there narrow roms available? I'm using a non-volatile ram and I don't think I can
thinkpast
May 5
#16058
 
16057

Re: VCF-East 10.0 and COSMAC

Thanks Herb. Did you sell many of the MC kits? Thanks for the pictures and notes of the rom/ram. Are there narrow roms available? I'm using a non-volatile
bill rowe
May 4
#16057
 
16056

VCF-East 10.0 and COSMAC

Apologies for my delay, but I've constructed a Web page about exhibits and events at the mid-April 2015 Vintage Computer Festival - East in New Jersey, where I
thinkpast
May 4
#16056
 
16055

New file uploaded to cosmacelf

Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the cosmacelf group. File : /VIS -
cosmacelf@yahoogroups.com
May 3
#16055
 
16054

New file uploaded to cosmacelf

Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the cosmacelf group. File : /VIS -
cosmacelf@yahoogroups.com
May 3
#16054
 
16053

New file uploaded to cosmacelf

Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the cosmacelf group. File : /VIS -
cosmacelf@yahoogroups.com
May 3
#16053
 
16052

Re: 1802 test circuit

Yes, cathodes to MA0-7, anodes to vcc I wasn't holding reset on power up.... Sent on the new Sprint Network from my Samsung Galaxy S®4. -------- Original
John O'Brien
May 2
#16052
 
16051

Looking for docs for an Original Quest Elf I (Board Version 2.1 9-12

Hay all, here is my first post on this form and I am looking for documentation for the Original Quest COSMAC ELF I. The board is labeled Rev 2.1 9-12-77 PHM.
runkle.dave
May 2
#16051
This message has attachments
  • JPG
    63 KB
16050

Re: cdp1877 Priority Interrupt Controller

All true. Had an 1877 so wanted to try it. Also I appreciate a challenge. (getting it working in as little address space as possible. 4k to 16 bytes, so I
mark.bielman
May 2
#16050
 
View First Topic Go to View Last Topic
Loading 1 - 15 of total 16,064 messages