Search found 237 matches

by ash2fpga
Thu May 13, 2021 9:22 pm
Forum: Arcade Cores
Topic: Why do some cores play a very loud BEEP when booting?
Replies: 22
Views: 7514

Re: Why do some cores play a very loud BEEP when booting?

Some sort of either a delay or fade-in on core load would be nice. I think modern car stereos do this when you turn on a car, so you do not blast your eardrums out.
by ash2fpga
Tue May 11, 2021 7:59 pm
Forum: PC 486SX (ao486)
Topic: ao486 Config for a Plain Old CRT TV
Replies: 144
Views: 114513

Re: ao486 Config for a Plain Old CRT TV

There are a fair number of games made with "CGA Composite" support that could make 15khz output useful (albeit with a composite conversion). Moby Games has a list: https://www.mobygames.com/attribute/sheet/attributeId,29/p,4/ I found the Moby Games link from this blog post: http://pcretrogames.blogspot.com/2010/10/cga-composite-video-mode...
by ash2fpga
Mon May 03, 2021 8:13 pm
Forum: Input Devices
Topic: 8BitDo M30 2.4g USB - need older firmware 3.07
Replies: 17
Views: 8776

Re: 8BitDo M30 2.4g USB - need older firmware 3.07

You can list out what the USB devices are reporting as on the Mister itself. Here is a script I used that could do this: https://github.com/mcarans/resetusb/ My M30 controllers reported as "Pro Controller". (I used this script when I was trying some things to try to "soft reset" M30 controllers, which did not work, at least for ...
by ash2fpga
Mon Apr 19, 2021 12:34 am
Forum: ZX Spectrum, ZX81, SAM Coupé, TSConf, QL, Next
Topic: The Save Song
Replies: 2
Views: 5452

Re: The Save Song

Neat! I had not heard of love2d. I am a big fan of lua since I started using it a few years ago.
by ash2fpga
Tue Mar 30, 2021 7:56 pm
Forum: Arcade Cores
Topic: Green artifacts and judder in CPS1
Replies: 6
Views: 3183

Re: Green artifacts and judder in CPS1

I get similar artifacts in ao486 with vga out of the analog io board running at 1680x1050.
by ash2fpga
Wed Mar 10, 2021 3:48 pm
Forum: General Discussions
Topic: In-line power switch
Replies: 44
Views: 17025

Re: In-line power switch

It would also be useful if the DE-10 Nano user manual actually had anything at all on the topic of power. But then I guess they are going to just assume you're using the power supply that it came with and no inline switch. Which I'm not because it was an EU power supply and while I could have used an adapter, that's clunky and I had a UK one suita...
by ash2fpga
Sun Mar 07, 2021 1:33 am
Forum: General Discussions
Topic: How can I let MiSTer support Chinese Fonts?
Replies: 16
Views: 6094

Re: How can I let MiSTer support Chinese Fonts?

Back in win9x days, software like njwin could be used to view cjk text. Who knows if any sort of "overlay" like that would ever be possible.
by ash2fpga
Fri Mar 05, 2021 8:07 pm
Forum: Development for MiSTer
Topic: Removing hostname check from scripts?
Replies: 7
Views: 3724

Re: Removing hostname check from scripts?

I ran into this on my second mister since I renamed it to avoid conflicts on my network. I look forward to an update to the scripts. :)
by ash2fpga
Tue Mar 02, 2021 7:41 pm
Forum: Arcade Cores
Topic: Crackling audio on Street fighter 2 Zangief stages
Replies: 1
Views: 1515

Re: Crackling audio on Street fighter 2 Zangief stages

You may want to report the issue over at github: https://github.com/jotego/jtcps1/issues
by ash2fpga
Sat Feb 27, 2021 11:19 pm
Forum: Display Devices
Topic: 100% scanlines?
Replies: 27
Views: 12671

Re: 100% scanlines?

I tried the scanline sharp and soft filters but both seem pretty blurry compared to regular 75% scanlines. Do these force interpolation? Running integer scaling on both axis you want to use the regular scanlines. Let’s hope these smart people developing will enable a 100% scanline filter without interpolation. From what I understand, Scandoubler F...
by ash2fpga
Fri Feb 26, 2021 2:09 pm
Forum: Display Devices
Topic: 100% scanlines?
Replies: 27
Views: 12671

Re: 100% scanlines?

You can test out the polyphase filters with this app: https://github.com/rikard-softgear/PolyphasePreviewer Here are a couple examples of the 100% scanline filter (the regular one, not the "bright" or "soft" ones) - parts of the images, zoomed in 4x. Test image that comes with the app. testimage_scanlines_100_4x.png SF2 select s...
by ash2fpga
Thu Feb 25, 2021 4:41 pm
Forum: Input Devices
Topic: Recommendations for reliable wireless joypad
Replies: 24
Views: 11286

Re: Recommendations for reliable wireless joypad

M30 with an USB adapter will have problems with the USB hub but the M30 genesis controller adapter version with a Genesis Daemonbite adapter it works perfectly. Have you used the Genesis Daemonbite with multiple controllers? I have 4x m30 2.4 usb controllers, with the usual issues, and would gladly switch over to the Daemonbite adapter(s) if they ...
by ash2fpga
Tue Feb 23, 2021 6:36 pm
Forum: Input Devices
Topic: "Define joystick buttons" too sensitive for combos?
Replies: 15
Views: 4993

Re: "Define joystick buttons" too sensitive for combos?

I have been running my mister with 500hz polling instead of 1000hz. I had been playing nes contra a lot before and after making that change. I do not have any hard science to back it up, but the controls felt a bit more "consistent" at 500hz polling. I made a modified copy of the fast polling script to allow selecting the polling rate. It...
by ash2fpga
Sat Feb 20, 2021 7:31 pm
Forum: Guides & Videos
Topic: MiSTerFS Guide
Replies: 0
Views: 2375

MiSTerFS Guide

MiSTer AO486 Core Part 2 – Sharing Files With MiSTerFS
http://www.jamesfmackenzie.com/2021/02/ ... -misterfs/
by ash2fpga
Sat Feb 20, 2021 7:22 pm
Forum: PC 486SX (ao486)
Topic: Cannot get ao486 to boot VHD with MS-DOS 6.22
Replies: 11
Views: 6383

Re: Cannot get ao486 to boot VHD with MS-DOS 6.22

-N2 wrote: Sat Feb 20, 2021 7:20 pm How do I access the configuration menu for this core? I've tried all the Function keys and that didn't work.
WIN+F12
https://github.com/MiSTer-devel/ao486_MiSTer#note
by ash2fpga
Fri Feb 19, 2021 3:26 pm
Forum: Guides & Videos
Topic: MiSTer Custom Aspect Ratios for Horizontal Integer Scaling
Replies: 89
Views: 50385

Re: MiSTer Custom Aspect Ratios for Horizontal Integer Scaling

Also, if negative borders would work, you could even do integer scaling with some cropping. The Space Invaders core seems to handle the borders incorrectly, looks like it handles them the wrong way around. You get severe glitching and I even had to cold reboot the MiSTer. I wanted to try negative borders (if it had been available) for cropping to ...
by ash2fpga
Thu Feb 18, 2021 4:41 pm
Forum: General Discussions
Topic: Loud popping sound though analog audio port
Replies: 20
Views: 7154

Re: Loud popping sound though analog audio port

For curiosity sake, I searched for any sort of audio spec document for toslink. I did not find one, but I did find a rather humorous article instead: https://ayrn.io/toslink-optical-connect ... khz-audio/
by ash2fpga
Tue Feb 16, 2021 2:53 pm
Forum: General Discussions
Topic: Loud popping sound though analog audio port
Replies: 20
Views: 7154

Re: Loud popping sound though analog audio port

To fix the pop as a core changes, the firmware would have to notify the core a second or so before the core change, and the core would have to ramp its audio output back up to maximum before the core change takes place. Just thinking out loud, a core "shutdown" function could be useful, perhaps for other things, too (autosave write-back?).
by ash2fpga
Fri Feb 12, 2021 2:23 am
Forum: Display Devices
Topic: Scanlines and highlight protection
Replies: 16
Views: 7230

Re: Scanlines and highlight protection

The scaler filter was really only meant to implement scaling filters that are up to 4 taps like lanczos2 or bicubic interpolation. We're just lucky that you can make a scanline effect by darkening the phases corresponding to the center of the pixel. But there are a few ways to calculate scanlines. (1) Use a gaussian (bell curve) profile for the fi...
by ash2fpga
Fri Feb 12, 2021 2:12 am
Forum: General Discussions
Topic: A case for 5x vertical crop in 1080p mode.
Replies: 79
Views: 28675

Re: A case for 5x vertical crop in 1080p mode.

SegaSnatcher wrote: Thu Feb 11, 2021 10:23 pm
ash2fpga wrote: Thu Feb 11, 2021 4:00 pm Bob at retrorgb gave his take on this, and brought up the idea of shifting the image up or down.

https://www.retrorgb.com/mister-1080p-5 ... sting.html
This was implemented. The setting is "Crop Offset".
Awesome! :D
by ash2fpga
Fri Feb 12, 2021 2:10 am
Forum: Game Boy, Game Boy Color
Topic: Kinda sound issues with core
Replies: 4
Views: 9212

Re: Kinda sound issues with core

The video sync could be an issue. For example, over on the ao486 side, a popular demoscene demo, Second Reality, the audio and video desync, which becomes apparent very quickly, when vsync [ao486 specific setting] is set to 60hz instead of variable (the demo is intended for 70hz refresh). Discussion for that issue is here: https://misterfpga.org/vi...
by ash2fpga
Fri Feb 12, 2021 2:03 am
Forum: Official Addon Boards
Topic: User Button on IO Board
Replies: 10
Views: 6014

Re: User Button on IO Board

The changing core glitch may be related to the DDR3 bridge hang?
by ash2fpga
Fri Feb 12, 2021 2:00 am
Forum: Display Devices
Topic: Scanlines and highlight protection
Replies: 16
Views: 7230

Re: Scanlines and highlight protection

I took another look at the filters across more [most? all?] of the "spectrum". I wish I had done that sooner. It seems like only a limited range of brightness were particularly useful. I personally use the 120% brightness / 70% scanlines, but I thought the 65% scanlines looked good, too. At the "high" end (esp 125% and 130% brig...
by ash2fpga
Thu Feb 11, 2021 4:00 pm
Forum: General Discussions
Topic: A case for 5x vertical crop in 1080p mode.
Replies: 79
Views: 28675

Re: A case for 5x vertical crop in 1080p mode.

Bob at retrorgb gave his take on this, and brought up the idea of shifting the image up or down.

https://www.retrorgb.com/mister-1080p-5 ... sting.html
by ash2fpga
Tue Feb 09, 2021 10:58 pm
Forum: Display Devices
Topic: Scanlines and highlight protection
Replies: 16
Views: 7230

Re: Scanlines and highlight protection

Looks good. I wanted to make something like this for a while since it seems like most people stick to integer scaling with scanlines. I think we could have better names for them. And I want to fix up the names so that if something says 50% scanlines it actually is. Which probably requires me to recalculate the filters so that will happen after we ...
by ash2fpga
Tue Feb 09, 2021 10:40 pm
Forum: General Discussions
Topic: MiSTer with OSSC Benefits?
Replies: 4
Views: 2619

Re: MiSTer with OSSC Benefits?

When I tried my mister with my ossc, I had issues with never being able to dial in sample/phase. I was not using "optimal timings" (ossc), so I was surprised to have those issues. In particular, I had a lot of trouble with nes and snes. On genesis, I could mostly dial in sample/phase. I had similar issues hooked up to a lcd monitor via vg...
by ash2fpga
Tue Feb 09, 2021 4:03 pm
Forum: Display Devices
Topic: Scanlines and highlight protection
Replies: 16
Views: 7230

Re: Scanlines and highlight protection

I put a set of filters on github, with the script I used. I do not have any actual science to back up what I did. I basically took the point on the curves where the slope started to decrease, and replace from that point on with curve from the top portion of a logistic function. https://github.com/ash2hub/Filters_MiSTer/tree/bright_phl/Filters/Scanl...
by ash2fpga
Fri Feb 05, 2021 4:02 pm
Forum: Display Devices
Topic: Scanlines and highlight protection
Replies: 16
Views: 7230

Re: Scanlines and highlight protection

That is a really good improvement! The color ramps and light colors in the screenshots look a lot better. I do like the soft scan-line filters though. Any chance of you creating improved versions of those as well? I want to revisit the filters and put together a more complete set for a PR. I hope to get some time "soon". I will make a no...
by ash2fpga
Mon Feb 01, 2021 1:01 am
Forum: Arcade Cores
Topic: SHMUP Slowdown / Accuracy of Arcade Cores
Replies: 31
Views: 12217

Re: SHMUP Slowdown / Accuracy of Arcade Cores

I've got a freesync monitor, and the OSD tells me it's running at 57khz (OSD is rounding to the nearest integer, obviously) when I run Dodonpachi. And there is no tearing (which would definitely be visible without vsync enabled). So.... it appears to be doing its thing and running at the refresh rate of the input signal. Which monitor are you using?
by ash2fpga
Mon Feb 01, 2021 12:55 am
Forum: Development for MiSTer
Topic: Primary ASCAL repo?
Replies: 3
Views: 2785

Re: Primary ASCAL repo?

Thanks! I'll check that one.