Flycast: Dolphin blue atomiswave freeze on the same spot

Created on 15 Dec 2018  Â·  36Comments  Â·  Source: libretro/flycast

Dolphin blue mame or naomiswave freeze on the same spot every time

crash naomi

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I am using android phone

What spot ? Some precision would be appreciated.
Also, i don't think this game is currently fully playable (iirc there is an issue in a later stage)

Yes on a final stage

On Sat, Dec 15, 2018, 8:26 AM barbudreadmon <[email protected] wrote:

What spot ? Some precision would be appreciated.
Also, i don't think this game is currently fully playable (iirc there is
an issue in a later stage)

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Known issue then, however it's interesting to know that it's happening on different archs, that means the issue is probably unrelated to the SH4 interpreters.

@Tiganjos - could you upload the save state right before it freezes?

Is the Naoimiwave conversion fully playable?

Does it happen on Windows too?

Here the savestate of the spot!

https://www38.zippyshare.com/v/mtOsL73Z/file.html

PS: Special thanks to @skmp, @flyinghead and All other Developers.

With the latest builds, the threaded Reicast core setting, work very well on my Android! :D

Is this issue even being looked at? Dolphin Blue is one of my favourites on the system and would love to be able to play it until the end.

@stizzo1 - I tried the savestate on the XU4 and it would just crash upon load. Is it supposed to load a portion of the game first then go to a specific spot to crash?

@6alileo,

I think the problem is just the dump of the game, it's a bad dump.

But the problem only happens on reicast. It does not happen on demul. Indeed, I successfully finished the game on demul this last weekend on a friends' home.

Does it happen with both MAME and bin/lst versions?

On Fri, Mar 8, 2019, 7:06 AM cubatilles notifications@github.com wrote:

But the problem only happens on reicast. It does not happen on demul.
Indeed, I successfully finished the game on demul this last weekend on a
friends' home.

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It does happen with the MAME dump

How about bin/lst?

On Fri, Mar 8, 2019, 7:29 AM flyinghead notifications@github.com wrote:

It does happen with the MAME dump

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@newoski it happens with both

@flyinghead i can't find the message, but i remember @p1pkin mentioned something about aica emulation about this game ? do you think this issue is related ?

@barbudreadmon right, in old demul versions this game became silent near end of stage 1 - start of stage 2, it was fixed after AICA rewrite. but I'm not sure if its the cause here too.

also, it is not recommended to use "bin/lst" versions, which is homebrew AW-to-Naomi ports made by Joerg & Darksoft, and in general is quite ugly piece of hacks.

I have the same error with the second stage using .lst/.bin in Ubuntu 18.04 64 bits. As I still the error from terminal and the core doesn't load the Reicast core with Retroarch interface, I cann't test the lMAME rom.
¯_(ツ)_/¯

This is because the .bin is corrupted / hacky. You should use MAME roms zip files instead.

I tested the MAME rom version and crashs and the same point.
EDIT: The last update (04/12/2019) make Blue Dolphin of MAME rom works, but now crashes on the begining of the last stage,

Game also crashes sometimes on 2nd mission (2nd part just before the tank). And the game restarts to Sammy/Atomiswave logo without exiting RA (Windows 10)

Log file :
output.txt

with the latest build it does not freeze, but i get stuck at this point (the stage does not scroll):
dolphin-200530-212216_scaled

Any workaround i can try?

EDIT: savestate: dolphin.state1.zip

What's the current status? I encountered the freeze on the last stage, so I save stated beforehand then updated the core to 3be6f8f, loaded the save and it still freezes.

No progress on this bug

Just verified it wasn't related to a bad rom and wasn't accidentally fixed at some point. Still freezes during final stage on 8f3fd1f. I've also attached a state from beforehand, just in case, but I'd imagine this is of no significant help.
dolphin.state1.zip

ROM was verified against MAME 0.226.

Used to freeze for me a few seconds in the first level, around where the first tank appears, but it seems fixed as of today.

Checked to see if it changed anything for samurai spirits tenkaichi kenkakuden as well but nope, that one still has weird layers.

@Sanaki same case here. I had the same problem with Dolphin Blue's Atomiswave port with all bug fixeds. It crashes to me in the same point.

Same here, tried it with Atomiswave, with Naomi, with the port made by fans on the dreamcast. It ALWAYS crashs a few seconds after the beginning of the last stage.

Just experienced the very same thing:

with the latest build it does not freeze, but i get stuck at this point (the stage does not scroll):
dolphin-200530-212216_scaled

Any workaround i can try?

EDIT: savestate: dolphin.state1.zip

Thanks @flyinghead, you're the man!

I guess we'll see the fix committed to the libretro port sooner than later.

Thanks for your hard work on dreamcast opensource emulation.

Greetings!

Hello @flyinghead , unfortunately this bug is still here. Can you update your fix please ?

Thanks for al your work.

It hasn't been merged into the core yet. It will be in time, presumably when someone has time to deal with it.

I honestly do not have this issue for a long while now (since January 10 that I mentioned it in this thread) so I dunno what to tell you since you say it's not yet fixed in the core, is my PC magic? It used to happen in stage one around when you encounter the first tank just before hitting the water but I've now gone up to level 4 with no issues. Is the crash point further in the game for you? Is anyone maybe using those recent atomiswave-to-dreamcast ports instead of just emulate atomiswave? Cos I did that inititally but I can't 100% recall if for me it was solved when I switched to standard atomiwave roms and emulation. I chalked it up to core updates.

Is the crash point further in the game for you?

Read above. It's at the beginning of the final stage. And it's a freeze rather than a crash.

I honestly do not have this issue for a long while now (since January 10 that I mentioned it in this thread) so I dunno what to tell you since you say it's not yet fixed in the core, is my PC magic? It used to happen in stage one around when you encounter the first tank just before hitting the water but I've now gone up to level 4 with no issues. Is the crash point further in the game for you? Is anyone maybe using those recent atomiswave-to-dreamcast ports instead of just emulate atomiswave? Cos I did that inititally but I can't 100% recall if for me it was solved when I switched to standard atomiwave roms and emulation. I chalked it up to core updates.

Well if you play the first 10 minutes of each game you play you won't find many issues ^^". The game crash in the beginning of the last stage. The game freezes but the sounds still runs on making the game impossible to complete. It crashes with the Atomiswave rom AND it also crashes with the fan made dreamcast port. Try completing the game (around 35-40 minutes) and you'll see.

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