I just moved and during the move it looks like the number "7" button is missing. Does anyone have an extra number "7" button? :-) thanks a lot ki4lui...
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fdsglhgd
Jun 23, 2011 12:16 am
You've got a private message! Check it here: http://www.weebly.com/uploads/7/9/1/3/7913506/hottie.htm...
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Rob
rwagg...
Jul 5, 2011 6:56 pm
Did you ever find a 7 key? I have an extra if you still need it....
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Tak
wingon695
Jul 6, 2011 3:47 pm
I know it is somewhere. Please give me a pointer dh...
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Gilbert Coville
gcoville2008
Jul 6, 2011 3:55 pm
Log into yahoo groups, select the ET-3400 group, then choose Files on the left-hand side. Or go to this link: http://tech.groups.yahoo.com/group/ET-3400/files/...
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granz_consult
Jul 10, 2011 1:56 am
For anyone who may be interested... retrochallenge.granzeier.com I just completed a 32K upgrade. Next will be taking a modern-day microcontroller (Parallax's...
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whipaway
Jul 10, 2011 11:58 am
Very nice, and a lot of good and interesting information. ... From: granz_consult <art3@...> Subject: [ET-3400] ET-3400 in a RetroChallenge Project ...
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M. Leo Cooper
thegrendel_XX
Jul 10, 2011 2:26 pm
... I just completed a 32K upgrade. Next will be taking a modern-day microcontroller (Parallax's Propeller) and interfacing it to the '3200. << Just wondering...
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Rob
rwagg...
Jul 10, 2011 3:15 pm
Nice! Last year I re-built the EWA-3400 with a few modern day parts and included 32K or RAM. I read your blog and I had the same problems with enabling the...
532
Art G. Granzeier III
granz_consult
Jul 11, 2011 12:36 am
The real reason is that I like the Prop. It is an enjoyable chip with which to work. Also, as I said in my blog, I intend to take this suped-up ET with me to...
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Art G. Granzeier III
granz_consult
Jul 11, 2011 12:37 am
Thank you, and it is fun as well as educational. "If you are not careful, you just may learn something" Bill Cosby Granz ... ......
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Art G. Granzeier III
granz_consult
Jul 11, 2011 12:39 am
I remember that upgrade - your project was a bit of inspiration for me in this project. I hope to get a BASIC (maybe the one that came with the ETA) Thanks...
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M. Leo Cooper
thegrendel_XX
Jul 11, 2011 12:53 am
... Art, Your criticisms of the Arduino are . . . valid. See, no religious fervor. The main problems with the Propeller board are that it is proprietary /...
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Art G. Granzeier III
granz_consult
Jul 11, 2011 2:46 am
Thanks, glad to hear that I should not go to hell for this. I wonder what controller hell would be like... perhaps being forced to write multi-million line...
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Art G. Granzeier III
granz_consult
Jul 11, 2011 3:49 am
PS - I have been programming the Prop from within Linux for most of the time that I have been using the Prop. Brad's Spin Tool is quickly becoming a standard...
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Balok
randyrho
Jul 11, 2011 4:57 am
Cool upgrade! I was glancing over the schematic. Couldn't you have saved a chip by inverting the A15 line instead, then NAND-ing it with the VMA signal? My...
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kevin asato
kc6pob
Jul 11, 2011 7:01 am
8051 ! Can't complain too loudly. I used to make a living for writing and integrating lots of 8051 (and 80x86) assembly language and patches in machine code....
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Gilbert Coville
gcoville2008
Jul 13, 2011 4:51 pm
Hi Art, I'm glad to see another ET-3400 project in the retrochallenge. These are great boards for the retrochallenges. The expandable nature of the ET-3400...
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M. Leo Cooper
thegrendel_XX
Jul 13, 2011 5:03 pm
... I betcha I know what that part is -- the 6530 RRIOT, which really is unavailable. The fix, according to my sources, is to replace it with a 6532 and a 2762...
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Art G. Granzeier III
granz_consult
Jul 14, 2011 4:13 am
Gilbert! So you are GC! I absolutely loved your write-up. I read it several times, including just last week. I really like reading about this little dev...
543
granz_consult
Jul 18, 2011 6:02 pm
Balok, Thanks a huge amount. I have incorporated your idea into my project. Granz...
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markh893
Jul 18, 2011 11:21 pm
A much better question would be, why not the Propeller? Perhaps you should surf on over to Parallax and read up on the Propeller. Your comments suggest that...
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M. Leo Cooper
thegrendel_XX
Jul 18, 2011 11:53 pm
... Why not the Propeller? For projects below a certain level of complexity, the eight-core Propeller is overkill. And the Arduino has a much larger developer...
546
granz_consult
Jul 23, 2011 6:46 am
Leo, Nope - I'm not trying to re-create any processor. I am using the stock 6800 chip that came on my ET-3400. What I am doing is using the Propeller as an...
548
carl.cox@...
carl.cox...
Aug 7, 2011 7:42 pm
I found this forum a few days ago. Brings back some fond memories. The ET-3400 was my first exposure to programming. I downloaded the emulator from the files...
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Wings
wingon695
Aug 9, 2011 10:31 am
Hollo Carl, I have bought a ET-3400 and ET-3400A. I try to learn to program with fun. But, first please please elaborate TASM. What is it? and what is it...
550
carl.cox@...
carl.cox...
Aug 9, 2011 5:15 pm
I was referring the the ET3400 Trainer emulator ... TASM is an Assembler found at http://home.comcast.net/~tasm/ ... you can write symbolic and have it gen the...
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Wings
wingon695
Aug 10, 2011 3:39 am
Hello Carl, Thanks for thr reply, I am in Manassas, Virginia now. I will download TASM after I retured home. Thanks, Doug...
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B
strainger100
Aug 15, 2011 10:57 pm
I know our forum is for the ETW-3400, but; I have some used various Heathkit textbooks and workbbooks if anyone is interested. I also have two trainers: one is...
553
rizal.acob
Aug 18, 2011 7:24 am
Hello..Just want to say some intro. I was given 2 boxes containing complete Heathkit Educational Course kit with an ET-3400, books, schematic and loose...
