Search found 53 matches

by telengard
Mon Nov 25, 2019 3:36 am
Forum: MiSTer
Topic: Best ways to transfer files to SD card in MiSTer?
Replies: 14
Views: 1557

Re: Best ways to transfer files to SD card in MiSTer?

I use rsync (requires networking), a simple script sits on my MiSTer SD card and I run it when I have new files on my computer I want on the MiSTer. Thanks to whomever added rsync to the linux image!
by telengard
Wed Apr 17, 2019 3:36 pm
Forum: MiSTer
Topic: Handheld MiSTer project
Replies: 20
Views: 8241

Re: Handheld MiSTer project

I had a GPDWin and really didn't like it. Awkward center of gravity and the hinge was always loose (even new). It was nice having the keyboard though. I wonder if an on-screen keyboard could be implemented?

Something more akin to the G-Wii would be ideal (for me at least).
by telengard
Mon Dec 24, 2018 5:38 pm
Forum: MiSTer
Topic: MiSTer NES Core
Replies: 255
Views: 81420

Re: MiSTer NES Core

On the topic of analog video issues... The top part of my screen has a slight "wiggle" to it (to use a technical term ;) ) for the NES core. Not sure if this is something other are seeing as well. Using YPbPr and at least two of my IO boards show the same. Not noticed on other cores. I wa...
by telengard
Sun Dec 23, 2018 9:46 pm
Forum: MiSTer
Topic: Cable for component video output?
Replies: 23
Views: 5254

Re: Cable for component video output?

Do you have the SOG switch on? It should be moved towards the VGA port for the on position. I think I saw what you are describing when my SOG was in the wrong position. Yes, I have the SoG switch towards the VGA connector. The artifacts I mentioned only show up in the menu, which displays fine othe...
by telengard
Sun Dec 23, 2018 9:27 pm
Forum: MiSTer
Topic: Cable for component video output?
Replies: 23
Views: 5254

Re: Cable for component video output?

Thanks NML32! I copied your ini file over as well as the menu (I am using an NTSC CRT), still nothing, and I did move the syng on green switch over. :( Does your cable have any kind of additional electronics other than passing the signals through from the VGA connector to the 3 RCAs? This is what I...
by telengard
Sun Dec 23, 2018 9:13 pm
Forum: MiSTer
Topic: Cable for component video output?
Replies: 23
Views: 5254

Re: Cable for component video output?

@telengard attached is the MiSTer.ini I'm using to connect to my NTSC CRT via YPbPr. If your TV is NTSC try using the Menu.rbf in the zip file (rename to menu.rbf). Also, remember to move your sog switch to the on position. My_YPbPr_Settings.zip EDIT: It does seem to be working somewhat. I had thou...
by telengard
Sun Dec 23, 2018 4:59 pm
Forum: MiSTer
Topic: Cable for component video output?
Replies: 23
Views: 5254

Re: Cable for component video output?

This is the VGA to Component cable I'm using. https://www.amazon.com/gp/product/B07F3WVV99/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1 Here is one of my videos using component to my Sharp 4:3 NTSC CRT. I have other videos like this on my YT. https://www.youtube.com/watch?v=muVtfTo7LRY On tab tw...
by telengard
Sun Dec 16, 2018 1:15 am
Forum: MiSTer
Topic: FX CAST Atari ST core
Replies: 302
Views: 117590

Re: FX CAST Atari ST core

The custom resolution, or more precisely, a minor variation of a standard resolution is used only at 50Hz. It is possible your monitor doesn't accept it, or might be your monitor doesn't support 50Hz at all. By default the core follows the original refresh rate, and currently it starts at 50Hz as a...
by telengard
Fri Dec 14, 2018 7:55 pm
Forum: MiSTer
Topic: FX CAST Atari ST core
Replies: 302
Views: 117590

Re: FX CAST Atari ST core

Thanks ijor for your work on this core, very appreciated. I haven't seen it mentioned in this thread, but I get a "resolution not supported" on my HDMI tv when loading up the core. I haven't seen that with any other cores. I thought I read somewhere a custom resolution was being used, but ...
by telengard
Tue Jun 19, 2018 3:25 pm
Forum: Hardware
Topic: Wavy video on 1040 STF
Replies: 9
Views: 5487

Re: Wavy video on 1040 STF

Not silly at all. I've seen behavior like that in the past, esp with my C64. There's definitely a metal case over the shifter and related components in the center, and also a metal cage that goes over everything. I was seeing this behavior with all of that in place though. I guess it is possible the...
by telengard
Mon Jun 18, 2018 2:49 pm
Forum: Hardware
Topic: Wavy video on 1040 STF
Replies: 9
Views: 5487

Re: Wavy video on 1040 STF

That makes sense. Any thoughts on the distortion I'm seeing, and maybe what could be involved? (the distortion shows up better in the pic if you click on it).
by telengard
Mon Jun 18, 2018 1:55 pm
Forum: Hardware
Topic: Wavy video on 1040 STF
Replies: 9
Views: 5487

Re: Wavy video on 1040 STF

I spent the weekend pinning out the connection of the HSYNC from the glue to the rgb connector since I can't find a schematic that matches my board rev. What I see is the signal going through 2 hex inverters via a chip and there is 22pf (filter) cap across the output. Why is the signal put through 2...
by telengard
Wed Jun 06, 2018 2:29 pm
Forum: Hardware
Topic: Wavy video on 1040 STF
Replies: 9
Views: 5487

Re: Wavy video on 1040 STF

I've been researching this a bit more, and based on what I've read, the issue is with the hsync (possibly jitter?). I can't find a schematic for my exact board rev, so I've been trying to trace where the hsync goes after coming out of the glue chip. It seems to go to an inverter chip but from what I...
by telengard
Mon Apr 30, 2018 3:49 pm
Forum: Hardware
Topic: "Waving" RGB output - cause?
Replies: 13
Views: 6906

Re: "Waving" RGB output - cause?

I too am experiencing this issue w/ my 1040STF, however it seems more random while the video posted, the pixel offsets seems very uniform, or maybe periodic is a better word.

I looked at the schematic and it seems the trimmer cap, C117 is PAL only. Not sure where to look next.
by telengard
Sun Apr 29, 2018 4:00 pm
Forum: Hardware
Topic: Wavy video on 1040 STF
Replies: 9
Views: 5487

Re: Wavy video on 1040 STF

Thanks for that info. I went over the videos and his is truly wavy. Not sure exactly how to describe what mind is doing, maybe it is dot crawl. There is slight shifting in where the pixels end up on the screen, like maybe over one or two randomly. It's not wavy in unison like those videos. I also to...
by telengard
Sat Apr 28, 2018 8:33 pm
Forum: Hardware
Topic: Wavy video on 1040 STF
Replies: 9
Views: 5487

Wavy video on 1040 STF

I'm getting slightly wavy video on my 1040. I'm using an SC1435 monitor. My 520ST looks fine using the same monitor and cable. I was prepared to start doing a power supply recap, but I swapped out with another (already recapped) PS and it looks the same. Seems like I should be looking at caps near t...
by telengard
Fri Apr 22, 2016 1:43 pm
Forum: For sale / Wanted
Topic: WTB: Atari SC1435 RGB Monitor
Replies: 8
Views: 3866

Re: WTB: Atari SC1435 RGB Monitor

Thanks so much for the ideas! I'm not sure of the value, but myatari is asking a good amount for the 12" too so it's hard to say. If they really are that rare and expensive, maybe I'll just get another magnavox. I had just seen this and saw it was the exact same monitor, just rebranded.
by telengard
Thu Apr 21, 2016 10:44 pm
Forum: For sale / Wanted
Topic: WTB: Atari SC1435 RGB Monitor
Replies: 8
Views: 3866

WTB: Atari SC1435 RGB Monitor

Probably a long shot.

My Magnavox is toast...
by telengard
Fri Dec 11, 2015 11:44 pm
Forum: MiST
Topic: MiST - FPGA ST
Replies: 1810
Views: 447484

Re: MiST - FPGA ST

Manic1975 wrote:Is there chance to make TI 99/4a core? It would be nice to have working TI 99/4a core.
I love using MIST and it is nice to have possibilty to see all this Computers in working order.


This would be wonderful. TI99/4a is one of my favorite systems.
by telengard
Sun Sep 20, 2015 6:27 pm
Forum: Hardware
Topic: 1040 STF repair help
Replies: 18
Views: 7516

Re: 1040 STF repair help

exxos wrote:Can you post a clear image of your whole motherboard ?


Absolutely. I've attached them. If you need better pictures, I can try and borrow my wife's camera. These were taken with my iPhone (downsized to meet attachment sizes).
by telengard
Sat Sep 19, 2015 7:03 pm
Forum: Hardware
Topic: 1040 STF repair help
Replies: 18
Views: 7516

Re: 1040 STF repair help

I changed out the inductor with one from a spare board, it made no difference. However, I was able to get some information by running RAM diags while still "cold". As I mentioned, after a minute or two of being powered on, things work fine. I ran these diags off the diag cart. In one of th...
by telengard
Mon Sep 14, 2015 4:18 am
Forum: Hardware
Topic: 1040 STF repair help
Replies: 18
Views: 7516

Re: 1040 STF repair help

Going over the board tonight visually, I did find something that didn't look good. Although I'd expect it to either not work at all or not have much of an effect rather than working after heating up. Maybe someone with more electronics knowledge could explain how this component being broken could af...
by telengard
Sat Sep 12, 2015 4:36 pm
Forum: Hardware
Topic: 1040 STF repair help
Replies: 18
Views: 7516

Re: 1040 STF repair help

exxos wrote:You may want to check out my PSU pages. http://www.exxoshost.co.uk/atari/last/psu/index.htm The only proper way to see if PSU is with a scope.


Some excellent info there, I'll just try out some of the on board caps and compare the voltages cold and warm.

thanks!
by telengard
Sat Sep 12, 2015 3:47 pm
Forum: Hardware
Topic: 1040 STF repair help
Replies: 18
Views: 7516

Re: 1040 STF repair help

I finally found time to run the ST off my Rigol power supply and it behaves exactly the same, so I imagine it is not the power supply. As I mentioned I tried cooling just about ever chip to see if it would trigger the issue once warmed up, but no luck. It takes about 20/30 seconds of power on and t...
by telengard
Thu Sep 10, 2015 5:16 pm
Forum: Hardware
Topic: 1040 STF repair help
Replies: 18
Views: 7516

Re: 1040 STF repair help

I finally found time to run the ST off my Rigol power supply and it behaves exactly the same, so I imagine it is not the power supply. As I mentioned I tried cooling just about ever chip to see if it would trigger the issue once warmed up, but no luck. It takes about 20/30 seconds of power on and th...

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