RE: SWTPC 6800, FLEX and Percom Floppy

2020-03-05 Thread William Sudbrink via cctalk
Hi Mike, You really want to ask this on the fufu list: http://www.flexusergroup.com/flexusergroup/fufusub.htm I did about a year ago, but didn't get anything definite. The list tends to be bursty. It's been pretty quiet for the last couple of weeks. Bill S. -Original Message- From: c

Re: SWTPC 6800 and Percom Floppy Controller

2020-01-19 Thread Mike Douglas via cctalk
I have typed in the assembly source for couple of the missing utilities for which I was looking (there are a few listings in the LFD-400 manual), so I now have a pretty complete and useful Percom disk system for the SWTPC 6800. I also wrote FLOP2PC and PC2FLOP utilities to archive a disk to a PC

Re: SWTPC 6800 and Percom Floppy Controller

2020-01-12 Thread Mike Douglas via cctalk
I’ve been able to complete the system running under the MiniDisk+ PROMs and added several programs like BASIC and an assembler to the disk. It all works together, but operations don’t integrate with each other very well. With much thanks to Bill Sudbrink, I also obtained the source to Percom’s M

Re: SWTPC 6800 and Percom Floppy Controller

2020-01-08 Thread Mike Douglas via cctalk
Greg, Thanks for the response. The article you reference is also the one bit of documentation I was able to find. It's been a big help. I have been in contact with Bob and recently picked up one of his RAM/EPROM boards to use while I get the system restored. Mike On Wednesday, January 8,

Re: SWTPC 6800 and Percom Floppy Controller

2020-01-08 Thread Gregory Beat via cctalk
Mike - Cer-Comp 5566 Ricochet Avenue Las Vegas, NV 89110 (702) 452-0632 William E. Vergona wrote firmware on those two (2), 2708 ROMs. He later (1980s) worked with Tandy (Coco-3) Color Computer products. == ‘68 Journal, May 1980 (Back to Future, 40 years later) MiniDisk+ DOS , Pages 11 - 13 http:/

RE: SWTPC 6800 and Percom Floppy Controller

2020-01-08 Thread William Sudbrink via cctalk
You might try asking on the Flex Users "fufu" list. I have a working MiniDOS PlusX LFD-400 setup. I would be happy to trade dumps if you are interested. Bill S. -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Mike Douglas via cctalk Sent: Tuesday, J

Re: SWTPC 6800 issues again

2016-11-28 Thread Brad H
: "General Discussion: On-Topic and Off-Topic Posts" Subject: Re: SWTPC 6800 issues again On Mon, Nov 28, 2016 at 8:22 AM, Brad H wrote: > Hey guys, > > > > You might recall a while back I was having issues where I'd have to power > up/power off multiple times be

Re: SWTPC 6800 issues again

2016-11-28 Thread Chris Elmquist
On November 28, 2016 1:37:54 PM CST, "Ian S. King" wrote: >On Mon, Nov 28, 2016 at 8:22 AM, Brad H >> wrote: > >> Hey guys, >> >> >> >> You might recall a while back I was having issues where I'd have to >power >> up/power off multiple times before I'd get the 6800 to start up >correctly >> and

Re: SWTPC 6800 issues again

2016-11-28 Thread allison
On 11/28/16 11:22 AM, Brad H wrote: Hey guys, You might recall a while back I was having issues where I'd have to power up/power off multiple times before I'd get the 6800 to start up correctly and give me the SWTBUG prompt. What I did was remove an overwrought modified RAM board and repla

Re: SWTPC 6800 issues again

2016-11-28 Thread Ian S. King
On Mon, Nov 28, 2016 at 8:22 AM, Brad H wrote: > Hey guys, > > > > You might recall a while back I was having issues where I'd have to power > up/power off multiple times before I'd get the 6800 to start up correctly > and give me the SWTBUG prompt. What I did was remove an overwrought > modifie

Re: SWTPC 6800 Weirdness

2016-09-10 Thread Brad H
Okay, I have it all dialed in now! With that iffy memory board swapped out, the system works beautifully. I did have some trouble loading Altair BASIC but after looking at a video of someone running it I discovered an extra line that appeared to be in the Altair patch file and also a couple o

Re: SWTPC 6800 weirdness

2016-09-07 Thread Chris Elmquist
On Wednesday (09/07/2016 at 08:04AM -0700), Brad H wrote: > > Thanks Chris. I figured it was something like that with my first MP-M. I am > curious though why simply setting another board to cover 8000-BFFF won't > allow the system to operate in that board's absence. It bothers me that I'm >

RE: SWTPC 6800 weirdness

2016-09-07 Thread Brad H
Ahhh.. okay, maybe I misunderstood. I was reading '4096 words of 8 bit RAM', I don't know 'words' that well so I put it in a calculator and it was telling me it was 8K. But docs suggested the original MP-M came with 2k. So setting the board # jumper to 4, if it was at 2K, would run $4000 to $

RE: SWTPC 6800 weirdness

2016-09-07 Thread Brad H
-Original Message- From: Chris Elmquist [mailto:chr...@pobox.com] Sent: Wednesday, September 7, 2016 6:13 AM To: General Discussion: On-Topic and Off-Topic Posts ; Brad H ; 'General Discussion: On-Topic and Off-Topic Posts' Subject: RE: SWTPC 6800 weirdness Both MIKBUG

RE: SWTPC 6800 weirdness

2016-09-07 Thread Chris Elmquist
---Original Message- >From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of >william degnan >Sent: Tuesday, September 6, 2016 2:52 PM >To: General Discussion: On-Topic and Off-Topic Posts > >Subject: Re: SWTPC 6800 weirdness > >> >> >> > >>

RE: SWTPC 6800 weirdness

2016-09-06 Thread Brad H
Okay I think I'm starting to figure this out a bit. Beginning with basics, I cleaned up the contacts on all the SS50 pins. The system seems to power up more reliably now. Next, I poked around in the monitor to figure out exactly which addresses the modified MP-M board was dealing with. Since

RE: SWTPC 6800 weirdness

2016-09-06 Thread Brad H
I don't have the right caps to try with the MP-M so I'll have to wait. But I did try again setting my DRC boards to A000. And when the machine is turned on, it does respond, but it just produces garbage characters on the terminal. Sometimes, two, sometimes three, or a whole line of them. I

RE: SWTPC 6800 weirdness

2016-09-06 Thread Brad H
I did a capacitor check on the modified MP-M board. On the 100uf/16v one down at the bottom center, the most I get is 430uf and then it starts dropping. I can't seem to get a proper reading out of the same one on the upper right.. that's the same on both MP-M boards. So I'm wondering if I'd

RE: SWTPC 6800 weirdness

2016-09-06 Thread Brad H
-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of william degnan Sent: Tuesday, September 6, 2016 2:52 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: SWTPC 6800 weirdness > > > > > > > >Brad, > >

Re: SWTPC 6800 weirdness

2016-09-06 Thread william degnan
> > > > > > > >Brad, > >You'll need to make electrical measurements, from the system checkout in > >the manual. You very possibly will have marginal components that need to > >be replaced, but it's best to try to locate which is bad rather that to > replace at random. > > >A000 is not the same pl

RE: SWTPC 6800 weirdness

2016-09-06 Thread Brad H
-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of william degnan Sent: Tuesday, September 6, 2016 11:37 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: SWTPC 6800 weirdness On Tue, Sep 6, 2016 at 2:25 PM, Brad H wrote: > My 6

RE: SWTPC 6800 weirdness

2016-09-06 Thread Brad H
-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Fred Cisin Sent: Tuesday, September 6, 2016 11:36 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: SWTPC 6800 weirdness On Tue, 6 Sep 2016, Brad H wrote: > My 6800 has been mos

Re: SWTPC 6800 weirdness

2016-09-06 Thread william degnan
On Tue, Sep 6, 2016 at 2:25 PM, Brad H wrote: > My 6800 has been mostly working, but it seems to be occasionally flaking > out. I don't know why. Sometimes you go to power it up, and there's no > response on terminal side. The 'fix' is sometimes to wiggle the memory/CPU > boards and then for s

Re: SWTPC 6800 weirdness

2016-09-06 Thread Fred Cisin
On Tue, 6 Sep 2016, Brad H wrote: My 6800 has been mostly working, but it seems to be occasionally flaking out. I don't know why. Sometimes you go to power it up, and there's no response on terminal side. The 'fix' is sometimes to wiggle the memory/CPU boards and then for some reason it's fine

RE: SWTPC 6800

2016-08-19 Thread Dave Wade
> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Mouse > Sent: 19 August 2016 13:39 > To: cctalk@classiccmp.org > Subject: Re: SWTPC 6800 > > > If you have two serial devices on the same line and one is just > > lis

Re: SWTPC 6800

2016-08-19 Thread Mouse
> If you have two serial devices on the same line and one is just > listening while you work with the other, *can* that work, or would it > just confuse things? It depends on what you mean by "the same line". For ease of language here, I'm going to assume that the devices are a computer, C, and t

Re: SWTPC 6800

2016-08-18 Thread william degnan
On Aug 18, 2016 12:08 AM, "Brent Hilpert" wrote: > > On 2016-Aug-17, at 8:26 PM, william degnan wrote: > >>> No doubt you can get it to work, and it can be a useful ability in some > >>> situations. > >>> But monitors and loaders tended to be written with different objectives. > >>> > >>> Monitors

Re: SWTPC 6800

2016-08-17 Thread Brent Hilpert
On 2016-Aug-17, at 8:26 PM, william degnan wrote: >>> No doubt you can get it to work, and it can be a useful ability in some >>> situations. >>> But monitors and loaders tended to be written with different objectives. >>> >>> Monitors targetted interactive use, not receipt of back-to-back > chara

Re: SWTPC 6800

2016-08-17 Thread william degnan
> > > > No doubt you can get it to work, and it can be a useful ability in some > > situations. > > But monitors and loaders tended to be written with different objectives. > > > > Monitors targetted interactive use, not receipt of back-to-back characters, > > which would be why you have to add per

Re: SWTPC 6800

2016-08-17 Thread Mike Stein
- Original Message - From: "Brad H" To: "'General Discussion: On-Topic and Off-Topic Posts'" Sent: Wednesday, August 17, 2016 7:02 PM Subject: RE: SWTPC 6800 ... > If you have two serial devices on the same line and one is just listening > while you

RE: SWTPC 6800

2016-08-17 Thread Fred Cisin
On Wed, 17 Aug 2016, Brad H wrote: I think I'll have to figure out here how to get my laptop and the CT1024 working in tandem with this 6800. I mean, I could solve all of this by simply using the PC terminal only, I know that works.. but, it just doesn't have that vintage 'feel' to it that the C

RE: SWTPC 6800

2016-08-17 Thread Brad H
Wednesday, August 17, 2016 3:27 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: SWTPC 6800 On 2016-Aug-17, at 11:48 AM, william degnan wrote: >> Bill's method, of executing an M command from a text file, achieves >> the same thing: filling memory. >>

Re: SWTPC 6800

2016-08-17 Thread Brent Hilpert
On 2016-Aug-17, at 11:48 AM, william degnan wrote: >> Bill's method, of executing an M command from a text file, achieves the >> same thing: filling memory. >> Something it's missing versus the S-record/loader format method is a >> checksum or any data check. >> One may may not be concerned about l

Re: SWTPC 6800

2016-08-17 Thread william degnan
> > > > > Bill's method, of executing an M command from a text file, achieves the > same thing: filling memory. > Something it's missing versus the S-record/loader format method is a > checksum or any data check. > One may may not be concerned about line noise over a short RS-232 line, > but if the

Re: SWTPC 6800

2016-08-17 Thread Brent Hilpert
esday, August 16, 2016 9:29 AM > To: General Discussion: On-Topic and Off-Topic Posts > Subject: Re: SWTPC 6800 > > Yes, the monitor just sees bytes coming at it, it can't distinguish whether > they're typed or coming from a host/machine, as long as the byte sequence >

RE: SWTPC 6800

2016-08-17 Thread Dave Wade
cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Brad H > Sent: 17 August 2016 00:20 > To: 'General Discussion: On-Topic and Off-Topic Posts' > > Subject: RE: SWTPC 6800 > > Okay this is where I was getting a bit confused -- I had gotten the impression > that

RE: SWTPC 6800

2016-08-16 Thread william degnan
y, August 16, 2016 10:12 AM > To: General Discussion: On-Topic and Off-Topic Posts < cctalk@classiccmp.org> > Subject: Re: SWTPC 6800 > > Brad, > > You don't type in S1 records at the monitor prompt. If anything you'd want to download a text file that simulates monit

RE: SWTPC 6800

2016-08-16 Thread Brad H
ctalk-boun...@classiccmp.org] On Behalf Of william degnan Sent: Tuesday, August 16, 2016 10:12 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: SWTPC 6800 Brad, You don't type in S1 records at the monitor prompt. If anything you'd want to download a text file th

Re: SWTPC 6800

2016-08-16 Thread william degnan
On Tue, Aug 16, 2016 at 1:12 PM, william degnan wrote: > Brad, > > You don't type in S1 records at the monitor prompt. If anything you'd > want to download a text file that simulates monitor commands to load > memory, but it's a lot slower. > > I haven't been reading all of the posts in this th

Re: SWTPC 6800

2016-08-16 Thread william degnan
pt. I'm > reading and trying to figure out how to do that. > > Many thanks! > > Brad > > -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Brent > Hilpert > Sent: Tuesday, August 16, 2016 9:29 AM > To: General Discu

RE: SWTPC 6800

2016-08-16 Thread Brad H
t. Many thanks! Brad -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Brent Hilpert Sent: Tuesday, August 16, 2016 9:29 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: SWTPC 6800 Yes, the monitor just sees bytes coming at it, it ca

Re: SWTPC 6800

2016-08-16 Thread Brent Hilpert
Yes, the monitor just sees bytes coming at it, it can't distinguish whether they're typed or coming from a host/machine, as long as the byte sequence accords with the Motorola S record format. You can formulate your own S records and type them at the monitor, too. On 2016-Aug-16, at 9:09 AM,

RE: SWTPC 6800

2016-08-16 Thread Brad H
Another question if I may -- for a short TXT loader file.. could I manually enter the information contained therein with my terminal? I'm just thinking for a quick memory test, etc -- it'd be six of one half a dozen of the other in terms of time to hook up a PC terminal and send the file.. If I

Re: SWTPC 6800

2016-08-12 Thread Brad H
ith my MSI 6800.. and get it back to stock config.  The homemade monitor it has is useless! Sent from my Samsung device Original message From: Brent Hilpert Date: 2016-08-12 9:39 PM (GMT-08:00) To: "General Discussion: On-Topic and Off-Topic Posts" Subject: Re

Re: SWTPC 6800

2016-08-12 Thread Brent Hilpert
On 2016-Aug-12, at 7:39 PM, Brad H wrote: > There's no way to have both the MP-C and MP-S cards in the same machine and > have the computer connected to one at a faster rate of speed is there? As far the hardware goes, yes, you can have both cards in there operating at different speeds. Your pro

RE: SWTPC 6800

2016-08-12 Thread Brad H
al Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Chris Elmquist Sent: Friday, August 12, 2016 4:01 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: SWTPC 6800 On Friday (08/12/2016 at 07:33AM -0700), Brad H wrote: > > > I've a

RE: SWTPC 6800

2016-08-12 Thread Brad H
Many thanks Mike! -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Mike Stein Sent: Friday, August 12, 2016 6:45 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: SWTPC 6800 I'm still looking for my AC-30; as soon as I find it

Re: SWTPC 6800

2016-08-12 Thread Mike Stein
I'm still looking for my AC-30; as soon as I find it it's yours. See ya off-list... m - Original Message - From: "Brad H" To: "General Discussion: On-Topic and Off-Topic Posts" Sent: Friday, August 12, 2016 9:17 PM Subject: Re: SWTPC 6800 > >

Re: SWTPC 6800

2016-08-12 Thread Brad H
t Date: 2016-08-12 4:01 PM (GMT-08:00) To: "General Discussion: On-Topic and Off-Topic Posts" Subject: Re: SWTPC 6800 On Friday (08/12/2016 at 07:33AM -0700), Brad H wrote: > > > I've a question.  I've now got my CT1024 working properly with my 6800.. is

Re: SWTPC 6800

2016-08-12 Thread Chris Elmquist
: 2016-08-11 11:27 PM (GMT-08:00) > To: "General Discussion: On-Topic and Off-Topic Posts" > > Subject: Re: SWTPC 6800 > > Very interresting read, thank you Ethan. > > /P > > On Tue, Aug 09, 2016 at 10:55:54AM -0400, Ethan Dicks wrote: > > On Fri, Aug 5, 2016

Re: SWTPC 6800

2016-08-12 Thread Brad H
- Original message From: Pontus Pihlgren Date: 2016-08-11 11:27 PM (GMT-08:00) To: "General Discussion: On-Topic and Off-Topic Posts" Subject: Re: SWTPC 6800 Very interresting read, thank you Ethan. /P On Tue, Aug 09, 2016 at 10:55:54AM -0400, Ethan Dicks wrote: > On Fri,

Re: SWTPC 6800

2016-08-11 Thread Pontus Pihlgren
Very interresting read, thank you Ethan. /P On Tue, Aug 09, 2016 at 10:55:54AM -0400, Ethan Dicks wrote: > On Fri, Aug 5, 2016 at 2:58 PM, Chris Elmquist wrote: > > On Friday (08/05/2016 at 06:50PM +), tony duell wrote: > >> > >> Am I the only person who rarely, if ever, has RS232 problems?

RE: SWTPC 6800

2016-08-09 Thread Bill Sudbrink
Ethan Dicks wrote: > And I am not aware of any USB serial adapters that do 110 bps. > If anyone knows of any, post brand and model numbers. Well, I know of a few "vintage" ones, and seeing that this is "Classic computer talk"... I use Belkin F5U103 USB serial ports. I got a stack of them at a ha

Re: SWTPC 6800

2016-08-09 Thread Fred Cisin
to the terminal software. Sent from my Samsung device Original message From: Brent Hilpert Date: 2016-08-09 9:49 AM (GMT-08:00) To: "General Discussion: On-Topic and Off-Topic Posts" Subject: Re: SWTPC 6800 On 2016-Aug-09, at 6:47 AM, Ethan Dicks wrote: On Fr

Re: SWTPC 6800

2016-08-09 Thread Brad H
Off-Topic Posts" Subject: Re: SWTPC 6800 On 2016-Aug-09, at 6:47 AM, Ethan Dicks wrote: > On Fri, Aug 5, 2016 at 6:55 PM, Chuck Guzis wrote: >> On 08/05/2016 02:15 PM, Brad H wrote: >>> I have one more question for you guys -- I have a few CT-1024 >>> terminals and wo

Re: SWTPC 6800

2016-08-09 Thread Brent Hilpert
On 2016-Aug-09, at 6:47 AM, Ethan Dicks wrote: > On Fri, Aug 5, 2016 at 6:55 PM, Chuck Guzis wrote: >> On 08/05/2016 02:15 PM, Brad H wrote: >>> I have one more question for you guys -- I have a few CT-1024 >>> terminals and would really like this system to work with one of >>> those. However, al

Re: SWTPC 6800

2016-08-09 Thread Ethan Dicks
On Fri, Aug 5, 2016 at 2:58 PM, Chris Elmquist wrote: > On Friday (08/05/2016 at 06:50PM +), tony duell wrote: >> >> Am I the only person who rarely, if ever, has RS232 problems? > > No. ;-) No, but I used to manufacture sync serial hardware and have deep knowledge of how async serial in gen

Re: SWTPC 6800

2016-08-09 Thread Ethan Dicks
On Fri, Aug 5, 2016 at 6:55 PM, Chuck Guzis wrote: > On 08/05/2016 02:15 PM, Brad H wrote: >> I have one more question for you guys -- I have a few CT-1024 >> terminals and would really like this system to work with one of >> those. However, all of the CTs are quite delicate and are set I >> thin

RE: SWTPC 6800

2016-08-07 Thread Brad H
no documentation on it at SWTPC.COM. -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Brent Hilpert Sent: Friday, August 5, 2016 10:47 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: SWTPC 6800 Do you have some RAM at $A000+ yet? That

RE: SWTPC 6800

2016-08-06 Thread Brad H
Topic and Off-Topic Posts' Subject: RE: SWTPC 6800 Gahh! So close! https://drive.google.com/folderview?id=0B4pq0-BHd2x6WVFiZHdyMHBlNW8&usp=shar ing The prompt is totally what should be appearing, at least initially. But it just keeps repeating itself over and over again and doesn'

RE: SWTPC 6800

2016-08-06 Thread Brad H
Gahh! So close! https://drive.google.com/folderview?id=0B4pq0-BHd2x6WVFiZHdyMHBlNW8&usp=shar ing The prompt is totally what should be appearing, at least initially. But it just keeps repeating itself over and over again and doesn't stop. Notes: I tried jumpering the DRC board to A000 properl

RE: SWTPC 6800

2016-08-06 Thread Brad H
Sent: Saturday, August 6, 2016 8:24 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: SWTPC 6800 If you use a 16K board you'll want to config it to start at $8000, so that it covers $8000-$BFFF. If it goes higher than that it may end up in conflict with the ROMS and IO.

Re: SWTPC 6800

2016-08-06 Thread Brent Hilpert
ged > in. > I suppose if there are bad RAMs on the DR board that'd do it though. > Brad > > > Sent from my Samsung device > > Original message > From: Chris Elmquist > Date: 2016-08-06 7:10 AM (GMT-08:00) > To: "General Discussi

Re: SWTPC 6800

2016-08-06 Thread Brad H
m: Chris Elmquist Date: 2016-08-06 7:10 AM (GMT-08:00) To: "General Discussion: On-Topic and Off-Topic Posts" Subject: Re: SWTPC 6800 Simplifying the machine configuration can help too.  You should only need MP-A (CPU), MP-S (serial interface) and MP-M at $A000 if you have the

Re: SWTPC 6800

2016-08-06 Thread Chris Elmquist
; board is set to. > > Until I get an oscilloscope.. fooling around is about all I can do here. > > > > Sent from my Samsung device > > > > Original message > > From: Chuck Guzis > > Date: 2016-08-05 3:55 PM (GMT-08:00) > > To: "General D

Re: SWTPC 6800

2016-08-05 Thread Brent Hilpert
around is about all I can do here. > > Sent from my Samsung device > > Original message > From: Chuck Guzis > Date: 2016-08-05 3:55 PM (GMT-08:00) > To: "General Discussion: On-Topic and Off-Topic Posts" > > Subject: Re: SWTPC 6800 > > On 08/05

Re: SWTPC 6800

2016-08-05 Thread Brad H
an oscilloscope.. fooling around is about all I can do here. Sent from my Samsung device Original message From: Chuck Guzis Date: 2016-08-05 3:55 PM (GMT-08:00) To: "General Discussion: On-Topic and Off-Topic Posts" Subject: Re: SWTPC 6800 On 08/05/2016 02

Re: SWTPC 6800

2016-08-05 Thread Chuck Guzis
On 08/05/2016 02:15 PM, Brad H wrote: > I think I will have to figure out how to do that. Additionally I > have one of those PC based oscilloscopes on the way. I don't know > how to use them 100% but I'm about to learn I guess. :) > > I have one more question for you guys -- I have a few CT-1024

RE: SWTPC 6800

2016-08-05 Thread Brad H
C to match the terminal? Is it necessary? -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Wayne Sudol Sent: Friday, August 5, 2016 10:35 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: SWTPC 6800 Hi Brad. Troubleshooting baud rate an

Re: SWTPC 6800

2016-08-05 Thread Pete Lancashire
Of Dave Wade > Sent: Friday, August 5, 2016 2:42 AM > To: 'General Discussion: On-Topic and Off-Topic Posts' < > cctalk@classiccmp.org> > Subject: RE: SWTPC 6800 > > > -Original Message- > > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf O

Re: SWTPC 6800

2016-08-05 Thread Wayne Sudol
bled. > I'm certain cabling is an issue here. I get a bit dyslexic with pins and > understanding how things change on a cable like a null modem. > > -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Fred > Cisin > Sent: Friday, August 5, 2016

Re: SWTPC 6800

2016-08-05 Thread Fred Cisin
On Friday (08/05/2016 at 06:50PM +), tony duell wrote: Am I the only person who rarely, if ever, has RS232 problems? On Fri, 5 Aug 2016, Chris Elmquist wrote: No. ;-) OK, that's TWO. The rest of us are still struggling with our ignorance. Your explanation of baud-rate and bit numbere/p

Re: SWTPC 6800

2016-08-05 Thread Chris Elmquist
On Friday (08/05/2016 at 07:05PM +), tony duell wrote: > > > > > Am I the only person who rarely, if ever, has RS232 problems? > > > > No. ;-) > > I should have been more specific and added something like > 'even though I have plenty of classic computers with RS232 ports, > serial terminals

RE: SWTPC 6800

2016-08-05 Thread tony duell
> > > Am I the only person who rarely, if ever, has RS232 problems? > > No. ;-) I should have been more specific and added something like 'even though I have plenty of classic computers with RS232 ports, serial terminals, serial printers, and so on' :-) -tony

Re: SWTPC 6800

2016-08-05 Thread Chris Elmquist
On Friday (08/05/2016 at 06:50PM +), tony duell wrote: > > Am I the only person who rarely, if ever, has RS232 problems? No. ;-) -- Chris Elmquist

RE: SWTPC 6800

2016-08-05 Thread Fred Cisin
On Fri, 5 Aug 2016, Brad H wrote: I'm certain cabling is an issue here. I get a bit dyslexic with pins and understanding how things change on a cable like a null modem. OK, I don't know what your level of knowledge is on it. Mine is NOT very high, so please don't be offended if I tell grandm

RE: SWTPC 6800

2016-08-05 Thread tony duell
> > I then tried 7 N 1 (that's how my CT1024 terminal is set up). This time I > > got more consistent characters. If I hit reset, there is also a response. > > If and when you get consistent characters, no matter how wrong, then it's > time to look at the bit patterns of what you get V what you

Re: SWTPC 6800

2016-08-05 Thread Chris Elmquist
C logo on it so I don't think it was a third-party deal. Chris > Original message > From: Brent Hilpert > Date: 2016-08-05 10:52 AM (GMT-08:00) > To: "General Discussion: On-Topic and Off-Topic Posts" > > Subject: Re: SWTPC 6800 > &g

RE: SWTPC 6800

2016-08-05 Thread Brad H
-- Original message From: Fred Cisin Date: 2016-08-05 11:25 AM (GMT-08:00) To: "General Discussion: On-Topic and Off-Topic Posts" Subject: RE: SWTPC 6800 On Fri, 5 Aug 2016, Brad H wrote: > I then tried 7 N 1 (that's how my CT1024 terminal is set up).  This time I

RE: SWTPC 6800

2016-08-05 Thread Fred Cisin
On Fri, 5 Aug 2016, Brad H wrote: I then tried 7 N 1 (that's how my CT1024 terminal is set up). This time I got more consistent characters. If I hit reset, there is also a response. If and when you get consistent characters, no matter how wrong, then it's time to look at the bit patterns of

Re: SWTPC 6800

2016-08-05 Thread Brad H
om my Samsung device Original message From: Brent Hilpert Date: 2016-08-05 10:52 AM (GMT-08:00) To: "General Discussion: On-Topic and Off-Topic Posts" Subject: Re: SWTPC 6800 On 2016-Aug-05, at 9:55 AM, Brad H wrote: > > 3) Ah, this may be part of my problem.  I don&#x

Re: SWTPC 6800

2016-08-05 Thread Brent Hilpert
On 2016-Aug-05, at 9:55 AM, Brad H wrote: > > 3) Ah, this may be part of my problem. I don't quite understand memory > addressing yet. The instructions said you needed RAM at A000 if the 6810 > chip was disabled (which it appears to be, the correct trace is cut). My > machine has 4 RAM boards.

Re: SWTPC 6800

2016-08-05 Thread william degnan
Here is a picture/thread about the wiring of the MP-S and cable comparing Teletype with RS232. http://vintagecomputer.net/browse_thread.cfm?id=174 Here is a thread I made, plus a special file I created for loading TSC BASIC http://vintagecomputer.net/browse_thread.cfm?id=416 hope this helps.

RE: SWTPC 6800

2016-08-05 Thread Brad H
So here's a video I made of the terminal connected to my SWTPC. I set hyperterminal to 8, N, 1. As you can see there's no action with the reset button, but there is a random character on power up. https://www.youtube.com/watch?v=dvT_KYyRVWo I then tried 7 N 1 (that's how my CT1024 terminal is s

RE: SWTPC 6800

2016-08-05 Thread Brad H
n cabling is an issue here. I get a bit dyslexic with pins and understanding how things change on a cable like a null modem. -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Fred Cisin Sent: Friday, August 5, 2016 8:52 AM To: General Discussion: On-Topic and

RE: SWTPC 6800

2016-08-05 Thread Brad H
boards into the mix right now. -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Dave Wade Sent: Friday, August 5, 2016 2:42 AM To: 'General Discussion: On-Topic and Off-Topic Posts' Subject: RE: SWTPC 6800 > -Original Message- &

RE: SWTPC 6800

2016-08-05 Thread Brad H
ve to. I could config the second DRC board for the $Exxx-$Fxxx and shove it in there. -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Brent Hilpert Sent: Friday, August 5, 2016 12:37 AM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: SWTP

Re: SWTPC 6800

2016-08-05 Thread Chris Elmquist
re almost always 16X clocks too, so if you scope the backplane signals, the rates you see should be 16 times what the baud rate is. Chris > Original message > From: Dave Wade > Date: 2016-08-04 11:33 PM (GMT-08:00) > To: "'General Discussion: On-Topi

RE: SWTPC 6800

2016-08-05 Thread Fred Cisin
but as with all problem solving, Conan Doyle had it right when he said "after eliminating the impossible, whatever is left, however improbable, must be the solution" That quote is often horribly abused. Diagnosis by elimination is inherently faulty. Beginners, and "experts", will often use

RE: SWTPC 6800

2016-08-05 Thread Dave Wade
> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Brad H > Sent: 05 August 2016 07:46 > To: General Discussion: On-Topic and Off-Topic Posts > > Subject: RE: SWTPC 6800 > > > > Yes.. I tried 7 bits.. different parity s

Re: SWTPC 6800

2016-08-05 Thread Brent Hilpert
On 2016-Aug-04, at 11:46 PM, Brad H wrote: > Dave > Yes.. I tried 7 bits.. different parity settings, speeds etc. Couldn't quite > nail it down. In every tutorial online for the 6800 being used with PC > terminal, they go 8 N 1.. nobody mentions specifically if you are supposed to > use hardwa

RE: SWTPC 6800

2016-08-04 Thread Brad H
Date: 2016-08-04 11:33 PM (GMT-08:00) To: "'General Discussion: On-Topic and Off-Topic Posts'" Subject: RE: SWTPC 6800 "Random Stuff" on serial ports can be a speed, data-bits, or even parity mis-match. I assume you have tried tweaking these? Dave > ---

RE: SWTPC 6800

2016-08-04 Thread Dave Wade
> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Brad H > Sent: 05 August 2016 06:58 > To: 'General Discussion: On-Topic and Off-Topic Posts' > > Subject: RE: SWTPC 6800 > > I think this 6800 is live but I am bein

RE: SWTPC 6800

2016-08-04 Thread Dave Wade
#x27;General Discussion: On-Topic and Off-Topic Posts' > > Subject: RE: SWTPC 6800 > > I think this 6800 is live but I am being dogged by my inabilities when it comes > to cabling. I'm going to purchase a 'proper' db25 female connector and the > molex pins for the

RE: SWTPC 6800

2016-08-04 Thread Brad H
y sure how to sort it. -Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Paul Birkel Sent: Thursday, August 4, 2016 12:29 PM To: 'General Discussion: On-Topic and Off-Topic Posts' Subject: RE: SWTPC 6800

RE: SWTPC 6800

2016-08-04 Thread Paul Birkel
-Original Message- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Mark G Thomas Sent: Thursday, August 04, 2016 3:17 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: Re: SWTPC 6800 Hi Brad, On Wed, Aug 03, 2016 at 10:58:44PM -0700, Brad H wrote

Re: SWTPC 6800

2016-08-04 Thread Christian Liendo
On Thu, Aug 4, 2016 at 3:16 PM, Mark G Thomas wrote: > There was someone with a table at VCF-East for the past two years who had > new SWTPC replica and enhanced interface boards. He also had interesting > kim-1 peripheral boards, with things such as booting from SD-card support. > > I cannot reme

Re: SWTPC 6800

2016-08-04 Thread Mark G Thomas
Hi Brad, On Wed, Aug 03, 2016 at 10:58:44PM -0700, Brad H wrote: > > > Thought I would post this here in case it reaches eyes my forum posts don't.   > So I finally got my hands on a SWTPC 6800!   > This machine is chock full of boards.. 4 ram boards, the cpu card (with > SWTBUG ROM), MP-S

Re: SWTPC 6800

2016-08-04 Thread william degnan
On Aug 4, 2016 11:11 AM, "Toby Thain" wrote: > > On 2016-08-04 8:19 AM, william degnan wrote: >> >> ... >> >> All of this is well documented online, Mike Holley has a step by step set >> up on his site. A few years ago I retyped the entire code listing of TSC >> BASIC which can be downloaded into

RE: SWTPC 6800

2016-08-04 Thread Henk Gooijen
om.au> Verzonden: donderdag 4 augustus 2016 17:11 Aan: cctalk@classiccmp.org<mailto:cctalk@classiccmp.org> Onderwerp: Re: SWTPC 6800 On 2016-08-04 8:19 AM, william degnan wrote: > ... > All of this is well documented online, Mike Holley has a step by step set > up on his site.

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