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Re: vectrex [Re: Kaylee] #114482
12/28/18 12:40 PM
12/28/18 12:40 PM
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Edstrom, I think u-man's point was just that ParaJVE works for most homebrew, and of course people cross-check on real hardware to be sure.

It sounds like you've managed to find a rare edge case in which ParaJVE fails, is all. smile

Re: vectrex [Re: Kaylee] #114483
12/28/18 01:03 PM
12/28/18 01:03 PM
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it does however sound like if the community want to really abuse the hardware they'll need a better emulator wink

although I'm not sure how much you can abuse this kind of hardware?

Re: vectrex [Re: Kaylee] #114484
12/28/18 01:16 PM
12/28/18 01:16 PM
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Ask byuu about how well things go when everyone tests homebrew on an emulator that imposes no limits smile

Haze: on this kind of hardware there's a limit of how much you can draw to create a coherent frame, similar to how many polygons you can draw in 1/60th of a second with a GPU (but a bit more flexible in this case). At the margins even MAME doesn't emulate this correctly (having the oldest-drawn stuff start fading out), but there's also limitations on how fast you can move the beam and stuff too.

Re: vectrex [Re: Just Desserts] #114486
12/28/18 02:04 PM
12/28/18 02:04 PM
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Originally Posted by Just Desserts
Edstrom, I think u-man's point was just that ParaJVE works for most homebrew, and of course people cross-check on real hardware to be sure.

It sounds like you've managed to find a rare edge case in which ParaJVE fails, is all. smile


Sure, funny thing is that I just used BIOS calls and advice on scaling from a tutorial, nothing edgy at all, perhaps I should have cut and pasted even more... but I think we should not emulate paraJVE specific games in MAME, maybe I just go through all the homebrew on real Vectrex hardware and mark those which doesn't work as unsupported in the softlist. :-)

Re: vectrex [Re: Edstrom] #114490
12/28/18 06:38 PM
12/28/18 06:38 PM
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Originally Posted by Edstrom
Yeah, but I am only interested in proper emulation of the real hardware, not games with built in bugs just because they use a buggy paraJVE as their main target, they can be as helpful as they want but it is not Vectrex games they are developing if they can't be played on the real hardware, it is paraJVE games. So my post was just showing MAME being a better emulation and to trigger a fix for the paraJVE if possible, but chances are they will not fix it because it may break all the games relying on it.... but if they do more games can be played on the Vextrex hopefully. We'll see what happens, I will use MAME as my dev emulator in any case, because it is better and I am used to it. smile


I think you got me totally wrong here. I did not say that the homebrew scene use ParaJVE for developing, i said a lot of them tend to use ParaJVE as their choice for emulation, but 99% play their games on the original console. If you are more interested in developing, then VIDE is getting more and more popular:
http://vide.malban.de/what-is-vide

So if you want to develop, it has way more to offer than MAME can, accuracy included. Somehow not even fair to compare the both.

In fact most homebrew stuff is exclusive to Vectrex only, with plenty of stuff which you will not see on any emulator:
https://www.youtube.com/watch?v=S47UoUtprII
https://www.youtube.com/watch?v=PiPcGK5641M

there are also very simple games, that can make you addicted:
https://www.youtube.com/watch?v=0VUSy7itygU

to achieve such a score, you will spend quite a lot of time laugh

MAME is good for other things :P :
https://www.youtube.com/watch?v=U-5LWyqn6P0

Last edited by u-man; 12/28/18 07:29 PM.

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Re: vectrex [Re: Kaylee] #114498
12/28/18 10:48 PM
12/28/18 10:48 PM
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Edstrom Offline
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Sorry, I didn't intend to say you were wrong, I just stated my reason for concern regarding homebrews, but you seem to have it covered there, interesting, I will check a few of them out and see how MAME do.

On a side note I think MAME offers better Vectrex developer support including being open source but I agree that we have work to be done to get MAME as playable for Vectrex as the dedicated emulators, no doubt there.

Re: vectrex [Re: Edstrom] #114507
12/30/18 04:07 PM
12/30/18 04:07 PM
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Originally Posted by Edstrom
On a side note I think MAME offers better Vectrex developer support including being open source but I agree that we have work to be done to get MAME as playable for Vectrex as the dedicated emulators, no doubt there.

Yeah and i do not agree with that, because VIDE provides a whole developing environment exclusively for the Vectrex. While MAME has surely some developing tools, i do not think that MAME provides them, on a driver level. IMHO i see some potential in MAME approaching it the same way, like i.e. VIDE does.

Again, if you need some help for Vectrex, i can only give the advice to join the facebookgroup: Vectrex fans United!
There is simply no more vivid forum then this group in the www regarding Vectrex.

Last edited by u-man; 12/30/18 04:08 PM.

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Re: vectrex [Re: Kaylee] #114508
12/30/18 04:20 PM
12/30/18 04:20 PM
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Spybook is not "the www", and AtariAge has a very active Vectrex forum where Zuckerberg can't look at your selfies.

Re: vectrex [Re: Kaylee] #114509
12/30/18 04:40 PM
12/30/18 04:40 PM
Joined: Jul 2015
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Yes, if you have such a POV, then FB is not a option... agreed. On the other hand, you have direct contacts to developers, being it hard- or software. AtariAge is a good address too.


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Re: vectrex [Re: Kaylee] #114513
12/30/18 10:58 PM
12/30/18 10:58 PM
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Edstrom Offline
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I have tried a few homebrew now, as I am throwing a new years party with a Vectrex competition tomorrow, and they seem to work quite fine in mame, at least not a black screen so far. Interestingly enough I found a section with three games called "imperfect emulation in the ParaJVE that are also problematic in Mame: Clean Sweep, Pitchers's duel and Spinball. They all got displaced static vectors, I can't tell for the moving vectors but they seems ok. Interesting that two emulators has problems with the same binaries that works just fine on the real hardware, I am intrigued to take a look how those Vectors are drawn differently from other carts. smile

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