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Very Basic Emulation Question
#242839 - 01/06/11 01:44 PM
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I use Mame .131 and all the games I want to play work, so this is basically a curiosity question. Mamedev people stress that the purpose of Mame is preservation of the original workings of the games and that playability is a secondary benefit. Are there ways to write the programs that would make more game playable? (If so, I don't care what they are, just is it possible)
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no [nt]
[Re: DrLarryE]
#242842 - 01/06/11 02:39 PM
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> I use Mame .131 and all the games I want to play work, so this is basically a
> curiosity question. Mamedev people stress that the purpose of Mame is preservation of
> the original workings of the games and that playability is a secondary benefit. Are
> there ways to write the programs that would make more game playable? (If so, I don't
> care what they are, just is it possible)
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Re: Very Basic Emulation Question
[Re: DrLarryE]
#242844 - 01/06/11 03:07 PM
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Sure, and there are a plethora of non-MAME emulators that do just that.
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| Sune |
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Connected
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Re: Very Basic Emulation Question
[Re: DrLarryE]
#242853 - 01/06/11 05:15 PM
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> Are
> there ways to write the programs that would make more game playable?
I'm not sure if you meant "make the games more playable" or "make more games playable"?
If the former, once MAME has done its job (emulating/documenting a game and the hardware it runs on), making the game more playable is up to the user.
If the latter, making more games playable is a result of progress and that happens with almost every release of MAME.
S
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Re: Very Basic Emulation Question
[Re: Sune]
#242965 - 01/07/11 06:51 AM
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I was mostly thinking of issues where current machines are not able to run games at speed, but everything else runs properly (ie...all the hardware is figured out already and all the ROM's/HD's are properly dumped already)
It is interesting to note that the 2 other answers disagree 100%...One says it happens all the time and one says no.
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italie |
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MAME owes italie many thank yous, hah
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Re: Very Basic Emulation Question
[Re: DrLarryE]
#242968 - 01/07/11 07:13 AM
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> I was mostly thinking of issues where current machines are not able to run games at
> speed, but everything else runs properly (ie...all the hardware is figured out
> already and all the ROM's/HD's are properly dumped already)
>
> It is interesting to note that the 2 other answers disagree 100%...One says it
> happens all the time and one says no.
The answers are all correct. "Speed" and "Correct emulation" are not necessarily tied together. MAME targets getting emulation 100% accurate from a code execution standpoint. Improving driver accuracy can actually slow a game down from a playability standpoint.
MAME source won't ever be modified for an increase in playability if it doesn't reflect an improvement in driver accuracy. Other emulators may use hacks to improve playability, which won't happen here.
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Re: Very Basic Emulation Question
[Re: italie]
#243078 - 01/08/11 03:49 PM
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I understand that much, which is why I never mentioned correct emulation because that is what Mamedevs try to do. So I'll assume there is no way to more correctly emulate the games, (or if there is it will end up in Mame eventually) but there may be ways to make some games run better on current hardware. (We have reached the depth of my knowledge of how Mame works.)
My thanks to the Mamedevs for allowing me to play my games, and thanks for answering questions for the Mame uneducated.
Edited by DrLarryE (01/08/11 03:50 PM)
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| R. Belmont |
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Re: Very Basic Emulation Question
[Re: italie]
#243082 - 01/08/11 04:08 PM
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> MAME source won't ever be modified for an increase in playability if it doesn't
> reflect an improvement in driver accuracy. Other emulators may use hacks to improve
> playability, which won't happen here.
That's not *quite* right either - we'll accept changes that make the driver execute faster if there is no effect either way on accuracy. The sorts of things done by other emulators to speed up games can compromise the correctness of the gameplay/physics/graphics/audio/etc. I'm not saying they all do, but There Ain't No Such Thing As A Free Lunch applies equally to emulation 
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| italie |
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MAME owes italie many thank yous, hah
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Re: Very Basic Emulation Question
[Re: R. Belmont]
#243102 - 01/08/11 07:28 PM
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> > MAME source won't ever be modified for an increase in playability if it doesn't
> > reflect an improvement in driver accuracy. Other emulators may use hacks to improve
> > playability, which won't happen here.
>
> That's not *quite* right either - we'll accept changes that make the driver execute
> faster if there is no effect either way on accuracy. The sorts of things done by
> other emulators to speed up games can compromise the correctness of the
> gameplay/physics/graphics/audio/etc. I'm not saying they all do, but There Ain't No
> Such Thing As A Free Lunch applies equally to emulation
Put a > where I needed a >=. Typical for my code.
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