Re: [M100] QUAD with battery

2023-10-17 Thread Jeff Gonzales
Where can I buy one? On Tue, Oct 17, 2023 at 11:53 AM Brian K. White wrote: > I managed to stuff a battery onto a QUAD > > https://github.com/bkw777/reQUAD/ > > -- > bkw >

[M100] QUAD with battery

2023-10-17 Thread Brian K. White
I managed to stuff a battery onto a QUAD https://github.com/bkw777/reQUAD/ -- bkw

[M100] QUAD

2019-02-27 Thread Frederick Whitaker
I know that many of you have had strange experiences with QUAD and REX when used together, especially if you used the OQUAD program. I have only high praise for the QUAD. It is not only an excellent way to expand the memory on a Tandy Model 100, it provides four screens of 32K memory which can

Re: [M100] Quad

2019-01-26 Thread Mike Stein
: Re: [M100] Quad M39! it prevents memory operation. only IO is allowed On Sat, Jan 26, 2019 at 3:37 PM Mike Stein wrote: With all this Quad discussion, I always wondered: why can't it work with a T102? m

Re: [M100] Quad

2019-01-26 Thread Stephen Adolph
M39! it prevents memory operation. only IO is allowed On Sat, Jan 26, 2019 at 3:37 PM Mike Stein wrote: > With all this Quad discussion, I always wondered: why can't it work with a > T102? > > m >

[M100] Quad

2019-01-26 Thread Mike Stein
With all this Quad discussion, I always wondered: why can't it work with a T102? m

Re: [M100] Quad V5 schematic

2017-11-08 Thread Gregory McGill
seconded! On Wed, Nov 8, 2017 at 2:54 AM, Brian White wrote: > I can't comment on the circuit, but I appreciate that you're working on > this. > > -- > bkw > > On Nov 7, 2017 2:56 PM, "Stephen Adolph" wrote: > >> Now that I have my board in for manufacturing, I thought I would post the >> schem

Re: [M100] Quad V5 schematic

2017-11-08 Thread Brian White
I can't comment on the circuit, but I appreciate that you're working on this. -- bkw On Nov 7, 2017 2:56 PM, "Stephen Adolph" wrote: > Now that I have my board in for manufacturing, I thought I would post the > schematic for anyone interested to look at and comment on. > > http://club100.org/m

[M100] Quad V5 schematic

2017-11-07 Thread Stephen Adolph
Now that I have my board in for manufacturing, I thought I would post the schematic for anyone interested to look at and comment on. http://club100.org/memfiles/index.php?&direction=0&order=&directory=Steve%20Adolph/QUAD both V4 and V5 are there, you can see the differences. ..Steve

Re: [M100] QUAD update.

2017-11-05 Thread Brian White
to address the power on reset issue. It’s >>> just a three pin surface mount chip. I used to have something like that in >>> my 68hc11 boards… Do you think they would help you? It probably takes up >>> less space than a cap, resistor and MOSFET... >>> &g

Re: [M100] QUAD update.

2017-11-05 Thread Daryl Tester
On Sun, 5 Nov 2017 17:08:16 -0500, Atsushi Takahashi wrote: I actually thought the BAV diode was being used as an OR gate… oops! I’m just full of bad guesses! No, Steve's mind just works at a far more subtle level than us mortals. -- Regards, Daryl Tester Handcrafted Computers Pty. Ltd.

Re: [M100] QUAD update.

2017-11-05 Thread Stephen Adolph
gt;> from Digi-Key in an attempt to address the power on reset issue. It’s >>> just a three pin surface mount chip. I used to have something like that in >>> my 68hc11 boards… Do you think they would help you? It probably takes up >>> less space than a cap, resistor

Re: [M100] QUAD update.

2017-11-05 Thread Atsushi Takahashi
y would help you? It probably takes up less space > than a cap, resistor and MOSFET... > > > I haven’t gotten around to building the QUAD yet so I cannot testify to say > if the reset circuit helped... > > -atsushi > > > > Begin forwarded message: > >&g

Re: [M100] QUAD update.

2017-11-05 Thread Brian White
Well this answers my question! Thank you for all this cool skullduggery. -- bkw On Nov 5, 2017 9:36 AM, "Stephen Adolph" wrote: Letting the list know that I have found a couple of defects with QUAD V4 which I did 2 years ago. Here's the defects I found. 1) I did not protect the bank switch

[M100] QUAD update.

2017-11-05 Thread Stephen Adolph
Letting the list know that I have found a couple of defects with QUAD V4 which I did 2 years ago. Here's the defects I found. 1) I did not protect the bank switching function adequately. The M100 OS will periodically write to ports 80h, 82h and 83h wrt the DVI. This can cause V4 QUAD to change

Re: [M100] quad schematic

2017-09-11 Thread Mike Stein
Thanks very much! m - Original Message - From: "Stephen Adolph" To: "Model 100 Discussion" Sent: Monday, September 11, 2017 5:47 PM Subject: [M100] quad schematic > is here... > http://bitchin100.com/wiki/index.php?title=QUAD#QUAD_Schematic

[M100] quad schematic

2017-09-11 Thread Stephen Adolph
is here... http://bitchin100.com/wiki/index.php?title=QUAD#QUAD_Schematic

Re: [M100] QUAD BOM

2017-09-11 Thread Mike Stein
Thanks! m - Original Message - From: "Stephen Adolph" To: Sent: Monday, September 11, 2017 12:34 PM Subject: Re: [M100] QUAD BOM > yah sure. I'll put it at the wiki page. Steve > > On Mon, Sep 11, 2017 at 12:28 PM, Mike Stein wrote: >> Any chance of

Re: [M100] QUAD BOM

2017-09-11 Thread Stephen Adolph
yah sure. I'll put it at the wiki page. Steve On Mon, Sep 11, 2017 at 12:28 PM, Mike Stein wrote: > Any chance of posting a schematic in pdf or png format? > > m > > - Original Message - > From: "Stephen Adolph" > To: > Sent: Monday, Septembe

Re: [M100] QUAD BOM

2017-09-11 Thread Mike Stein
Any chance of posting a schematic in pdf or png format? m - Original Message - From: "Stephen Adolph" To: Sent: Monday, September 11, 2017 8:44 AM Subject: Re: [M100] QUAD BOM > Brian, you should be aware > > - the hardware has a flaw. the flops don't a

Re: [M100] QUAD BOM

2017-09-11 Thread Brian White
Ok thanks for the heads up. I doubt I'm in a position to improve the design, and I already tried to match the ram chip, so, we'll see what we see when we see it I guess. -- bkw On Sep 11, 2017 8:44 AM, "Stephen Adolph" wrote: > Brian, you should be aware > > - the hardware has a flaw. the fl

Re: [M100] QUAD BOM

2017-09-11 Thread Stephen Adolph
Brian, you should be aware - the hardware has a flaw. the flops don't always power up in bank 0. - REX software does not work reliably with Quad - the quad utilities work ok though. yes 2 BAV70s as far as the ram goes, I would just check it to make sure it is the same as TC551001. you might

[M100] QUAD BOM

2017-09-10 Thread Brian White
Hey Steven, I think I worked up a DigiKey cart to build 3 QUADs, the version on osh park now. 2 things I'm not sure about: The text on oshpark says it needs a BAV70, but it looks like there are footprints for 2 BAV70's on that version of the board. I assume I should I install 2? The exact refere

Re: [M100] QUAD on Oshpark

2017-08-19 Thread Gary Weber
Hi All, Has anyone on the list actually built their own QUAD? Up on OSHPARK is the list of parts needed: 74AC02 (Quad 2 input NOR gate) (SOIC) 74AC74 (dual flip flop) (SOIC) 74AC573 (8 bit latch) (2 sizes supported) TC551001AFTL-10L (memory) (or equiv) BAV70 (pair of diodes) (SOT-23) 340k ohm 08

Re: [M100] QUAD on Oshpark

2017-01-22 Thread Brian White
Ah that makes sense. Well my components came in and I just built 2 boards. Destroyed 1 with my grinder before even starting. hah Now I'm waiting for a xilinx programmer to arrive. I don't know of these are programmable with some other generic spi programmer or what. I haven't looked into the soft

Re: [M100] QUAD on Oshpark

2017-01-20 Thread Stephen Adolph
Yah glad that worked! One of the issues with Rex is 5V compatibility. That's why the design has to use old parts..no room for level shifters. So yes, old flash and old cpld. However both are commonly on ebay. ..steve On Friday, January 20, 2017, Brian White wrote: > "I already happen to have

Re: [M100] QUAD on Oshpark

2017-01-20 Thread Brian White
"I already happen to have an 8-bank PG Designs board." ... which I believe it was Steve Adolph who who supplied the missing software to get that actually working, so, thanks yet again Steve! -- bkw On Fri, Jan 20, 2017 at 9:39 AM, Brian White wrote: > I didn't order quad boards because I alrea

Re: [M100] QUAD on Oshpark

2017-01-20 Thread Brian White
I didn't order quad boards because I already happen to have an 8-bank PG Designs board. (Well, 7 bank plus the original 1, total 8. The PGDesigns one doesn't conflict with or displace the internal ram.) I'll probably still do a set of quads anyway sometime. But I ordered a set of Rex boards and al

[M100] QUAD on Oshpark

2017-01-19 Thread Mike Stein
>From Bitchin100: QUAD circuit board is now available on OSHPARK. You can build your own! Let's get any and all build information and experiences people have captured here... parts lists, tips etc. Can't find it; could you paste a link, please? And while I'm at it, is the 8K board shared

Re: [M100] Quad and Rex 2 info?

2015-12-05 Thread Stephen Adolph
I have QUAD on hand. Price is 60 regular, and I offer a 10$ discount if you have a REX. REX4 aka SuperREX has no schedule my friend! I have no idea at this point when I will be done. ;) the lineage so far in REX: REX(1) = the original, for M100, T102, T200. REX2 = a short lived product, meant

[M100] Quad and Rex 2 info?

2015-12-05 Thread Hiraghm
Stephen, Is the Quad currently available? if so, how much is it? I'm very interested in a Rex 2, with the 4mb w/storage, combined with Quad. have you a vague ballpark price for a Rex2? I figure I'll hold off on the Quad and get it and the Rex2 at the same time; pop my current Rex into my backu

Re: [M100] QUAD support in REX

2015-11-29 Thread Stephen Adolph
Latest software is now available at http://bitchin100.com/wiki/index.php?title=REX_Release_4.9 Let me know if you have any trouble with this, and of course any bugs. thanks, Steve On Sun, Nov 29, 2015 at 4:02 PM, Stephen Adolph wrote: > I can claim success now. It was quite a challenge for

Re: [M100] QUAD support in REX

2015-11-29 Thread Stephen Adolph
I can claim success now. It was quite a challenge for me to get QUAD working really `really well. I will be releasing REX 4.9 revision 236 later today with tools to upgrade from prior 4.9, and tools to do a clean installation from scratch. One major area of challenge was making the M100 behave l

Re: [M100] QUAD support in REX

2015-11-24 Thread Shaun M. Wheeler
That's great news, can't wait to try it out! On Nov 24, 2015 6:38 PM, "Stephen Adolph" wrote: > I put on a push in the last 2 days to get REX release 4.9 to support > QUAD. I'm happy to say I have a candidate load that appears to be working > well. > I have some testing to do and some code clean

[M100] QUAD support in REX

2015-11-24 Thread Stephen Adolph
I put on a push in the last 2 days to get REX release 4.9 to support QUAD. I'm happy to say I have a candidate load that appears to be working well. I have some testing to do and some code clean up but overall the mechanisms I added to make M100 a 4 bank machine are working. By pressing TAB you ca

Re: [M100] QUAD for T102

2015-11-06 Thread Josh Malone
Bummer indeed. Starting to think the extra half inch would have been worth it to get the 100. Oh well. I should really start with a rex anyway. That said, I'm not above modding my tandy. You should see what I did to my Atari 400 :-) On Nov 6, 2015 8:26 PM, "Ken Pettit" wrote: > Bummer!! > > Ken

Re: [M100] QUAD for T102

2015-11-06 Thread Ken Pettit
Bummer!! Ken On Fri, Nov 6, 2015 at 5:10 PM, Stephen Adolph wrote: > hey guess what! bad news. there is a little chip called M43 that they > added to the T102 that prevents system memory from working on the system > bus of the T102! > > bummer - that's why my QUAD won't work on T102. it mean

Re: [M100] QUAD for T102

2015-11-06 Thread Stephen Adolph
hey guess what! bad news. there is a little chip called M43 that they added to the T102 that prevents system memory from working on the system bus of the T102! bummer - that's why my QUAD won't work on T102. it means a modification to T102 to make QUAD work...argh! Steve On Thu, Oct 15, 2015

Re: [M100] QUAD for T102

2015-10-16 Thread Sean Fahey
Thanks... and wow, must have one. Date: Fri, 16 Oct 2015 18:18:26 -0400 From: twospru...@gmail.com To: m100@lists.bitchin100.com Subject: Re: [M100] QUAD for T102 http://bitchin100.com/wiki/index.php?title=QUAD On Fri, Oct 16, 2015 at 6:17 PM, Sean Fahey wrote: Is there a project URL for

Re: [M100] QUAD for T102

2015-10-16 Thread Stephen Adolph
http://bitchin100.com/wiki/index.php?title=QUAD On Fri, Oct 16, 2015 at 6:17 PM, Sean Fahey wrote: > Is there a project URL for this somewhere? I've missed some of the > background on it. TIA. >

Re: [M100] QUAD for T102

2015-10-16 Thread Sean Fahey
Is there a project URL for this somewhere? I've missed some of the background on it. TIA.

Re: [M100] QUAD for T102

2015-10-16 Thread Stephen Adolph
well, I put in a design file for fab today; we'll see. identical circuit to the M100 version; I didn't spend a ton of time re-laying it out. fingers crossed but ... truth be told I usually make a mistake! Gotta love Oshpark - so easy to get boards. Steve On Thu, Oct 15, 2015 at 8:28 AM, Stephen A

Re: [M100] QUAD for T102

2015-10-15 Thread Kurt McCullum
Interesting. Sounds like an easy way to protect everything. On Thursday, October 15, 2015 7:10 AM, Stephen Adolph wrote: My thought on that is to make a PCB sandwich, with all the active parts between the two boards.  I think it will be rugged enough, and easy enough to make.  I

Re: [M100] QUAD for T102

2015-10-15 Thread Stephen Adolph
My thought on that is to make a PCB sandwich, with all the active parts between the two boards. I think it will be rugged enough, and easy enough to make. It will just be a lump plugged into the back - pretty small, doubt that it would be clumsy or in the way at all. On Thu, Oct 15, 2015 at 10:

Re: [M100] QUAD for T102

2015-10-15 Thread Kurt McCullum
Steve,That sounds like a great idea. Curious to see how you 'encase' it. Kurt On Thursday, October 15, 2015 5:28 AM, Stephen Adolph wrote: I've started a project to build a version of QUAD for T102.  I think I have a good solution for "encasing" the electronics that avoids the ne

[M100] QUAD for T102

2015-10-15 Thread Stephen Adolph
I've started a project to build a version of QUAD for T102. I think I have a good solution for "encasing" the electronics that avoids the need for plastic. It will just plug into the back at the system bus. Should be fun, and a useful update to keep T102 "on par" with M100. cheers Steve

Re: [M100] QUAD and SuperRex

2015-09-18 Thread Stephen Adolph
Hi guys, Summer has been busy, I've not had any spare time. However, as usual my interest in hobbies picks up when the weather turns. QUAD is working fine. I don't have any built right now but I certainly plan to. SuperREX is still on the drawing board. My plan is to do the following on REX befor

Re: [M100] QUAD and SuperRex

2015-09-18 Thread Randall Kindig
What's the SuperRex? thanks Randy On Fri, Sep 18, 2015 at 9:18 AM, Hiraghm wrote: > So the Quad is available now? (how much is it?) > Is the SuperRex out yet? > Cause I'd like to get both for my main M100 and put my Rex in my backup > M100... > > -- Randy

[M100] QUAD and SuperRex

2015-09-18 Thread Hiraghm
So the Quad is available now? (how much is it?) Is the SuperRex out yet? Cause I'd like to get both for my main M100 and put my Rex in my backup M100...