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STG Elk 2K Monitor V88

(3)
Thanks! Exactly what I was looking for. - Gary
garyekaufman
3
posts
2:28 PM

MOPAR and the 1802

(34)
There was a recent question on where to buy 1802s. For Swedish members of the group, I can recommend www.bhiab.se that sells CDP1802ACE at the price of SEK 206
Huggbävern
34
posts
May 22

Where order CDP1802 chip

(3)
Hi Carlitos, Well, you definitely came to the right group.... I believe I have about 20 or 30 chips on hand. but Lee should have much more than me. I'm sure
joshbensadon
3
posts
May 21

Calling subroutines inside an interrupt routine

(7)
Thanks to the "Ideas Book" (RCA Europe) I got this working! I modified/expanded it to work with the 1877 PIC. The code is attached. It basically uses R7 to do
mark.bielman
7
posts
May 15

cdp1877 Priority Interrupt Controller

(18)
... There's an interesting technique that I saw used on a Godbout S-100 card with the 8080 CPU. It adds a memory chip that is used exclusively for the
Lee Hart
18
posts
May 11

OTish S-100 Back Plane

(10)
Lee is being humble, in his descriptions of the IDIOT monitor. It took me time to appreciate it. First, it's relocatable - no long jumps - so the 512-byte
thinkpast
10
posts
May 8

VCF-East 10.0 and COSMAC

(7)
Lee suggested old bipolar PROMS with narrow packages. But, they are often low capacity, 256 bytes or less; programmers are nonexistent (you essentially blow
thinkpast
7
posts
May 6

New file uploaded to cosmacelf

(383)
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
383
posts
May 3

1802 test circuit

(3)
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
3
posts
May 2

Spare timeGizmos Elf 2000 Boards Available?

(26)
Hi Patrick From recent posts, the answer is YES. You have two choices. Either contact Flash or Bob. I believe Flash is selling whole kits, while Bob is
joshbensadon
26
posts
May 1

Olduino Carbot and Wireless Programming

(6)
Hi Bill, It looked pretty good navigating that box in the video. I didÆt expect it to be any more precise at dealing with 90 degree corners. I know exactly
Andrew Wasson
6
posts
Apr 30

COSMAC ELF Website Maintenance

(8)
... Yeah, the Flickr doodad links take you directly to Flickr… about the only thing I could do would be to open a new browser window (which some browsers
Dave Ruske
8
posts
Apr 27

Quick Project Help for an Exhibit

(22)
Excellent, thanks for sharing.
bill rowe
22
posts
Apr 23

VIP Users - I need SW Help?

(8)
Great fun. The COSMAC helped launch my 30+ year career as an Engineer. I got to use 1802s on two projects, but both as an undergraduate. I will see if I can
sbotts@att.net
8
posts
Apr 14

OT Burroughs TD700

(8)
Most of the manuals that have "bitsavers" in the URL, are available also at bitsavers.org -- that is where archive.org is getting those particular manuals. On
Charles Richmond
8
posts
Apr 3
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