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11-02-05 12:59 PM
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Acmlm's Board - I2 Archive - General Emulation - Schpune! [new NES emu] | |
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Lenophis

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Posted on 03-21-05 01:29 PM Link | Quote
Originally posted by Sonicandtails
Hmm. HMMM. HMMMM. I like it. Allthough it doesen't have alot of extras that FCEUXD has (which i rely on right now cuase im learning ASM), it still runs games smoother than FCEUXD does on my other older P2 computer! Me like!

Schpune is a general purpose "play" emulator, not a debugger. If you want debugging skillz and ASM "no-ledge," (I made a funny) then stick to FCEUXD.

Schpune's movie support > all other NES emu's right now. And that, I am not kidding about.
Someguy

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Posted on 03-21-05 07:13 PM Link | Quote
I'm sure that this emulator will become popular, with the stable movie recording as well as the savestate in movies feature, though I think that's in most movie capable emulators. I would like to see a slowdown and rewind button(That would work for movies while playing and recording possibly), I haven't seen a rewind button on an emulator but I haven't tried many either. I also like the features that can be adjusted for each rom. I'll be looking back on this emulator if it doesn't simply die or anything, it looks like it will become top notch.
dormento

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Posted on 03-21-05 08:24 PM Link | Quote
I'm sure that this emulator will become popular, with the stable movie recording as well as the savestate in movies feature
That's just so damn true.
Btw, how did you made it so the movie doesn't lose sync (like most other emus)? How's the movie file format laid out?

...and... have i sad that the sound is top notch yet?
Googie

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Posted on 03-22-05 05:39 AM Link | Quote
When I saw Schpune, it reminded me of The Tick cartoon. SPOOOOOOOOOOOOON! Well, anyways I like this emulator you put together, the featire I like is the movie recording. I'm testing it with ROMs right now so you'll get some feedback from me soon okay? The spoon icon rocks. Awsome work btw, Disch.
Dish

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Posted on 03-22-05 09:42 PM Link | Quote
Thanks for the positive feedback everyone! ^^. I'm still working on it -- right now I'm adding various mappers (VRC7, currently -- stupid sound)

Originally posted by dormento
Btw, how did you made it so the movie doesn't lose sync (like most other emus)? How's the movie file format laid out?


The movie file format isn't super complex -- just a savestate followed by a recording of button presses along with timestamps of when the buttons were pressed.

As for the first question -- I think the real question is why do some emus have such a hard time with such a basic feature. There's really no trick to it other than stable emulation -- which every emu should have. If you load up a ROM and play it, it will play exactly the same way every time in an emulator -- the only thing that changes is what the user inputs -- so if you record that input (and do a halfway decent job of it), echoing those keypresses back when the game restarts will result in the game flowing exactly the same when it was recorded (stable movies). Why this is so hard for some emus -- I just don't understand. I had no trouble with it.
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Sesshomaru
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Posted on 03-24-05 12:04 AM Link | Quote
It doesn't seem like something that should be an issue. Maybe it's a matter of timing issues or multiple threads. I can see how it might screw up if you grabbed the key-data say once every second instead of once every however many instructions, but that's just a stupid way of doing things.
Dish

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Posted on 03-24-05 12:32 AM Link | Quote
Well the thing that make it so simple is the game has to actually poll for joypad data (by strobing through $4016). So if you just keep a counter and increment it every time the joypad gets strobed by the game, and use that counter as a timestamp for keypresses -- there is NO REASON why your movie should lose sync unless you do things really stupidly.

But yeah... to me it just seems so simple and basic -- yet so many emus have a hard time with it. I guess I just don't understand what their problem is.
RT-55J

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Posted on 03-24-05 03:48 AM Link | Quote
Actually, I think that the reason so many emulators desync when you try to rerecord is that they don't go back to the point in the movie where the save state was created so that if you make X mistake, load a savestate, then correct it (Y) the finished product shows you doing X mistake and then doing the Y keypresses or something like that. Oh, wait... you were talking about normal playthroughs.
Hyde

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Posted on 03-28-05 10:55 PM Link | Quote
Some of you guys were talking about how displaying stretched images work slow. Well, I came accross a similar issue while working on my emulator: displaying the image stretched to twice its original size (keeping the aspect ratio right) would slow down the program a bunch. What you might wanna try is go to your display settings, change the color depth to 16 bits, then try running the emulator once again. I think this may fix your issues.
dormento

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Posted on 03-29-05 08:35 PM Link | Quote
I ran it at 16 bit color, 1024x768.
Are you using StretchBlt or DX?
creaothceann

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Posted on 03-30-05 12:17 PM Link | Quote
Nice work.

Here're some points for improvement. You don't have to implement them... it's just what I noticed on the first try.

- file selection dialogs (ROMs, presets etc.) starting by default in Schpune's directory
- key buttons have to be activated (currently, Alt-Tab changes settings!)
- cheat support

"Config Input": picture of a NES controller?
"Config Video": checkboxes for stretching, 32-bit, HQ2X, 2XSaI, Super Eagle, Super 2XSaI; more resolutions
"Sound Channels": one big table? Like, Square1..MMC5:PCM on the y axis, and enabled/invert/volume/panning on the x axis.
"Config Hotkeys": button for slot selecting window (with preview), ZSNES-like
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