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Introduction and VCF-Elf Expansion Header Question

(7)
Josh, Thanks for the detailed explanation. Martin On May 23, 2017 12:14 AM, "joshbensadon@yahoo.com [cosmacelf]"
Martin Heermance
7
posts
3:23 AM

Boyd Board - any interest?

(7)
I'm happy to be identifed. Haven't built it yet....hopefully soon. Jon
jon
7
posts
1:33 PM

1806 speed question

(36)
Mark wrote: Let me correct my previous statement concerning 1806 temperatures, as I should have been more attentive to what the micro was actually doing when I
fps16xn3
36
posts
May 22

Original ELF documentation package

(35)
I will ask them to do so.... From: cosmacelf@yahoogroups.com [mailto:cosmacelf@yahoogroups.com] Sent: Sunday, May 21, 2017 7:41 PM To:
Paul Schmidt
35
posts
May 21

New file uploaded to cosmacelf

(496)
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 : /Mark
cosmacelf@yahoogroups.com
496
posts
May 20

High standby current 1802 Membership Card

(20)
As I read this i'm remembering that the original REV of the MC had a circuit that enabled the RAM as little as possible (maybe only in TPB?). Does that still
bill rowe
20
posts
May 16

netronics mini monitor and super basic

(7)
By the way the only e-mail address I see in your last post is your att.net address. Is there another? -Mark
Mark Abene
7
posts
May 13

IO extension using CDP1853 sub-circuit and !MRD

(25)
Mark wrote: To answer Josh, yes, memory-mapped I/O is always easier to implement. As long as you don't mind it taking up a slot in your address space. However,
thinkpast
25
posts
May 12

The Edukit

(14)
Go to the forum, look in Photos > Albums > EDUKIT, or click this link: https://groups.yahoo.com/neo/groups/cosmacelf/photos/albums/370764515
Dave Ruske
14
posts
May 11

folder?

(9)
OK sure, you can delete it. :) I'll remake it as soon as it's gone. On Wed, May 10, 2017 at 3:42 PM, Dave Ruske dave@ruske.com [cosmacelf]
Mark Abene
9
posts
May 10

COMX-35 repair help

(11)
Any 32K SRAM in the 28 pin package will do fine. I don't know or paid attention to which mfg I use. I have a dozen of these chips from various sources and
joshbensadon
11
posts
May 8

Introducing my Cosmas Elf

(14)
What about the music program in Popular Electronics where the ELF plays "Simon and Garfunkal, Feeling Groovy".
joshbensadon
14
posts
May 5

schematic library for 18xx parts...

(7)
Thanks! Simple and to the point. Last night during my extensive time searching, I found a library (diy_rcl) that contains quite a number of symbols in a style
Mark Abene
7
posts
May 3

IDIOT on my ELPH

(10)
On May 2, 2017 22:33, "bill rowe bill_rowe_ottawa@hotmail.com [cosmacelf]" < cosmacelf@yahoogroups.com> wrote: That's pretty interesting. Can you get it to
Cristian Arezzini
10
posts
May 2

Introducing my ELPH

(14)
Regarding a discussion of /EF3 polling: http://www.retrotechnology.com/memship/mem_revI.html#engineering
thinkpast
14
posts
Apr 27
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