Genesis Core
Moderators: Mug UK, Zorro 2, spiny, Greenious, Sorgelig, Moderator Team
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- Captain Atari
- Posts: 187
- Joined: Fri Mar 16, 2018 9:10 am
Re: Genesis Core
I have to confirm this and it's unfortunatly a major bug since in A LOT of Games white flashes occur, when the screen resets and new content comes in.
You can see it in Micro Machines.. after the Sega Logo the screen flashes white, then the title screen appears.
And I saw it in a lot of other games to when refreshing or switching to a new screen.
You can see it in Micro Machines.. after the Sega Logo the screen flashes white, then the title screen appears.
And I saw it in a lot of other games to when refreshing or switching to a new screen.
Two beer or not two beer? - Shakesbeer.
Re: Genesis Core
I already know your "a lot". Please stop to meaningfully exaggerate your problem. Be more specific and then there is A LOT more chances to get it solved.PhantombrainM wrote:A LOT of Games
Can you at least check in which exactly release it start to happen?
Or even this simple task i have to do myself as well?
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- Captain Atari
- Posts: 187
- Joined: Fri Mar 16, 2018 9:10 am
Re: Genesis Core
Sure I can and I wanted to do it. I experienced it yesterday untill midnight while I was checking a lot of games and saw that flashing here and there.
I wanted to tell you some games and where it occured and also checked micro machines with an emulator yesterday but then went to bed!
Now I'm at work.
Since I read I am not the only one (see the comment before) I thought I confirm it quickly and mention Micro Machines, PAL, which I checked and its easy and fast tosee than the Aladdin description before.
But sure!
I can (and wanted to) give you specific releases, when and where and a video too, but I'm at work for the next 9 hours so please see my previous post just as a quick confirmation. It was not to bother someone / you.
I come back to this topic later!
I wanted to tell you some games and where it occured and also checked micro machines with an emulator yesterday but then went to bed!
Now I'm at work.
Since I read I am not the only one (see the comment before) I thought I confirm it quickly and mention Micro Machines, PAL, which I checked and its easy and fast tosee than the Aladdin description before.
But sure!
I can (and wanted to) give you specific releases, when and where and a video too, but I'm at work for the next 9 hours so please see my previous post just as a quick confirmation. It was not to bother someone / you.

I come back to this topic later!
Two beer or not two beer? - Shakesbeer.
Re: Genesis Core
I just tried prior versions of the Genesis core (11/25, 11/18, and 11/16) and did observe some white flashes on Aladdin in all three, though perhaps to less of an extent. I didn't try rolling back my MiSTer binary though.
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- Captain Atari
- Posts: 187
- Joined: Fri Mar 16, 2018 9:10 am
Re: Genesis Core
Yeah I experience the same with Micro Machines (UE) (C)(!).md -> Initializing white flash -> Purple Codemasters Logo -> white flash -> title screen game... and all previous Versions of Genesis.
Now I feel a little bit sorry for Sorgelig and I'm ashamed I said its a major bug because its affecting so many games...
But I haven't noticed it before and its also sometimes in Sonic the Hedgehog 2 (W) (Rev01).md -> Sega Logo -> Title Screen -> Level Name -> short white flash -> Splitscreen Level
So I will now also check older MISTer Files. Maybe its the new scaling filter engine or something like that. I'm testing further!
Now I feel a little bit sorry for Sorgelig and I'm ashamed I said its a major bug because its affecting so many games...
But I haven't noticed it before and its also sometimes in Sonic the Hedgehog 2 (W) (Rev01).md -> Sega Logo -> Title Screen -> Level Name -> short white flash -> Splitscreen Level
So I will now also check older MISTer Files. Maybe its the new scaling filter engine or something like that. I'm testing further!
Two beer or not two beer? - Shakesbeer.
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- Atarian
- Posts: 1
- Joined: Wed Nov 28, 2018 10:17 pm
Re: Genesis Core
The quick white flashes are supposed to happen in Aladdin. If you swing your sword at the same time a guard does, you "clash" off of each other, and you get the screen flash along with a "ting" sound.
Re: Genesis Core
Yes, i see small part at the bottom flashes white quickly in Micromachines and Sonic 2. It's not like flashing constantly during play. It's just one time between screens. And as you've said it's there long time already. I don't see a big problem with this. May be it even presents in original HW but not so visible.
Re: Genesis Core
Interesting, I never noticed that before!ShootTheCore wrote:The quick white flashes are supposed to happen in Aladdin. If you swing your sword at the same time a guard does, you "clash" off of each other, and you get the screen flash along with a "ting" sound.
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- Obsessive compulsive Atari behavior
- Posts: 132
- Joined: Mon Apr 09, 2018 10:58 pm
Re: Genesis Core
Hi
I was looking @ Indigo operating system
http://www.sega-16.com/forum/showthread ... ing-system
https://github.com/sikthehedgehog/indigo
it boots but it doesn't detect my usb mouse... its something that should be on indigo part or some config I must make in Mister?
Thanks
I was looking @ Indigo operating system
http://www.sega-16.com/forum/showthread ... ing-system
https://github.com/sikthehedgehog/indigo
it boots but it doesn't detect my usb mouse... its something that should be on indigo part or some config I must make in Mister?
Thanks
Re: Genesis Core
Of course mouse doesn't work. Because Genesis core doesn't know the mouse.brunosilva wrote:it boots but it doesn't detect my usb mouse... its something that should be on indigo part or some config I must make in Mister?
I need technical description of Sega mouse protocol.
Re: Genesis Core
There does not seem to exist a technical description. But I found some reverse engineering attempt at http://gendev.spritesmind.net/forum/viewtopic.php?t=579 with sample code at http://forums.sonicretro.org/index.php?showtopic=30385 that made it into the Open Source SDK at https://github.com/Stephane-D/SGDK/blob ... /src/joy.c.
Re: Genesis Core
New release supports the mouse.
It works in indigo, although doesn't work in games. So it's just preliminary support.
It works in indigo, although doesn't work in games. So it's just preliminary support.
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- Obsessive compulsive Atari behavior
- Posts: 132
- Joined: Mon Apr 09, 2018 10:58 pm
Re: Genesis Core
@Sorgelig - i've tried two different mouses, and different usb ports (i have the usb hub board) and mouse doesn't work...
should i do any specific configuration?
Thanks
should i do any specific configuration?
Thanks
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- Obsessive compulsive Atari behavior
- Posts: 132
- Joined: Mon Apr 09, 2018 10:58 pm
Re: Genesis Core
f**k yeahhhh!
works like a charm 
it's possible to make the keyboard work?
to write in terminal? 


it's possible to make the keyboard work?


Re: Genesis Core
Read the indigo readme. keyboard is not implemented.
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- Obsessive compulsive Atari behavior
- Posts: 132
- Joined: Mon Apr 09, 2018 10:58 pm
Re: Genesis Core
ok... will try to talk indigo creator 

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- Captain Atari
- Posts: 187
- Joined: Fri Mar 16, 2018 9:10 am
Re: Genesis Core
Thank you for updating the Genesis Core.
Binary is much smaller now. It's saving DSP resources isn't it? What are the other benefits of the new scaler?
Sonic 2 two player interlace mode looks funky now. (See Demo). PAL and NTSC. All Rev's.
(I'm using Guassian Sharp 07 + Internal Scanlines 50%, HDMI).
Other than that everything looks fine.
The white flash in Micro Machines is gone!
Sonic 1 seems not to stutter so strong anymore while running and performing a jump. (There was a small screen freeze/drop before).
Thanks,
PhantombrainM
Binary is much smaller now. It's saving DSP resources isn't it? What are the other benefits of the new scaler?
Sonic 2 two player interlace mode looks funky now. (See Demo). PAL and NTSC. All Rev's.
(I'm using Guassian Sharp 07 + Internal Scanlines 50%, HDMI).
Other than that everything looks fine.
The white flash in Micro Machines is gone!

Sonic 1 seems not to stutter so strong anymore while running and performing a jump. (There was a small screen freeze/drop before).

Thanks,
PhantombrainM
Two beer or not two beer? - Shakesbeer.
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- Atarian
- Posts: 6
- Joined: Sun Nov 25, 2018 5:10 pm
Re: Genesis Core
Hi,
Thanks for all your work on the Genesis Core. I just updated to the latest release (Genesis_20181205.rbf) and started testing Streets of Rage 2. At the end of Stage 1, I noticed some vertical bars appeared on the screen over the text of the stage score. Those bars persisted into Stage 2 at the top of the screen.
I'm new to the board and not sure if this is the best way to report issues, but let me know if you need anymore info.
Thanks!
Thanks for all your work on the Genesis Core. I just updated to the latest release (Genesis_20181205.rbf) and started testing Streets of Rage 2. At the end of Stage 1, I noticed some vertical bars appeared on the screen over the text of the stage score. Those bars persisted into Stage 2 at the top of the screen.
I'm new to the board and not sure if this is the best way to report issues, but let me know if you need anymore info.
Thanks!
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Re: Genesis Core
i don't understand what is funky.PhantombrainM wrote:Sonic 2 two player interlace mode looks funky now.
Re: Genesis Core
It doesn't present in new release.mikealbert wrote: I just updated to the latest release (Genesis_20181205.rbf) and started testing Streets of Rage 2. At the end of Stage 1, I noticed some vertical bars appeared on the screen over the text of the stage score. Those bars persisted into Stage 2 at the top of the screen.
Re: Genesis Core
I don't see any evidence of Megadrive keyboard presence. So i think it's possible only with some custom implementation which is not present on real console.brunosilva wrote:ok... will try to talk indigo creator
Re: Genesis Core
I saw that problem one time a few weeks ago and then I never saw it again even though I've played through that stage a bunch of times. It seems like it will be hard to track down because it happens rarely.mikealbert wrote:Hi,
Thanks for all your work on the Genesis Core. I just updated to the latest release (Genesis_20181205.rbf) and started testing Streets of Rage 2. At the end of Stage 1, I noticed some vertical bars appeared on the screen over the text of the stage score. Those bars persisted into Stage 2 at the top of the screen.
I'm new to the board and not sure if this is the best way to report issues, but let me know if you need anymore info.
Thanks!
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- Captain Atari
- Posts: 187
- Joined: Fri Mar 16, 2018 9:10 am
Re: Genesis Core
Here you see Genesis 20181126 which is okay (last picture)Sorgelig wrote:i don't understand what is funky.PhantombrainM wrote:Sonic 2 two player interlace mode looks funky now.
And the new genesis 20181205 which looks special.
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Two beer or not two beer? - Shakesbeer.
Re: Genesis Core
If you mean some jagged edges on moving interlaced video, then it's because new scaler processes interlace a little differently. Yes, it uses simpler de-interlace technique but it occupies 1/10 resources of VIP scaler and it's open source.
As far as i know there are only 2 games in Genesis using interlace mode: Sonic 2 (and only in split screen mode!) and some other game i forgot the name. So it's definitely not a reason to keep a bulky VIP scaler.
As far as i know there are only 2 games in Genesis using interlace mode: Sonic 2 (and only in split screen mode!) and some other game i forgot the name. So it's definitely not a reason to keep a bulky VIP scaler.