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Post by kinghanco on Feb 18, 2007 18:16:59 GMT -5
At the Mame forum I ask about how to convert the playstation game from cd into chd. etabeta told me that there is no playstation program can load a chd. What if in the future pSX will be supporting chd? I thought about this after f205v show me how to make one. Chd are a lot smaller than just bin, image and iso. Could it be possible to run Chd on pSX in the future? Maybe or maybe not. www.mameworld.info/ubbthreads/postlist.php?Cat=&Board=guru
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Post by Deleted on Feb 18, 2007 19:02:23 GMT -5
How does the size compare to cdz?
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Post by kinghanco on Feb 18, 2007 19:07:56 GMT -5
I didn't made one in cdz before. So I don't know that answer. Maybe these other people will know.
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Post by Sune on Feb 18, 2007 20:34:33 GMT -5
Use pSX to make a .cdz of the same Playstation game that you made a .chd of and post the results here.
The converter is on the file menu.
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Post by Ultima on Feb 18, 2007 22:16:35 GMT -5
Indeed, that should be the natural tendency, seeing as how you appear to be the only one (of us regulars anyhow) who seems to actively use MAME...
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Post by Gamesoul Master on Feb 19, 2007 2:42:21 GMT -5
I just tested a bunch of games, and every game compressed with both formats was at least 5% smaller in .cdz format than in .chd format (usually closer to 10% smaller). So it definitely wouldn't be worth it at all. Especially considering that converting to .chd is commandline (and no, you can't even drop-and-drag the input file like you can most DOS conversion programs... you *have* to use a commandline or shortcut with appropriate input/output names set), while .cdz can be done right from pSX. And... .cdz compression seems to take just a little less time (I didn't time it, but it seemed that way... either way, it wasn't a *big* difference).
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Post by kinghanco on Feb 20, 2007 4:18:31 GMT -5
How can I run the chd image on pSX in command line? I try the frontend and pSX fail to read it.
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Post by Deleted on Feb 20, 2007 7:03:16 GMT -5
You can't run chd images in pSX, commandline or not.
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Post by Ultima on Feb 20, 2007 9:49:33 GMT -5
I think kinghanco took that out of context, and forgot the real keyword: converting to .chd is commandline ;\
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Post by Deleted on Feb 20, 2007 13:14:41 GMT -5
Possibly.
So basically, converting to cdz versus converting to chd, cdz wins because of ease of use via pSX menu. Comparing the sizes of cdz and chd, cdz wins by 5-10%. Keeping that in mind I personally don't really see any use for it in pSX.
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Post by kinghanco on Feb 20, 2007 18:26:22 GMT -5
Yea I see now. I compare those 2 formats.  But how we know that there isn't anything wrong to the cdz after ripping from bin? And the size is correct? I think pSX need to point to our cd or dvd drive to rip cd and make it into a cdz instead of ripping it from bin. Ripping it from bin might causes games running problems. It should be pointing to the cd or dvd drive instead.
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Post by Gamesoul Master on Feb 20, 2007 19:39:40 GMT -5
Well, maybe that will be possible down the line. But besides that... nobody should really be using cue/bin anymore anyway, now that pSX supports ccd/img/sub which is free to convert, as well as making the copy 100%. And since a ccd/img/sub image can be CDZ'ed, there's no need to deal with cue/bin at all. And there really aren't any problems with .cdz, as many people have used it without problem. And pSX Author has been making tweaks to it, so it should be pretty solid, even compared to already being pretty solid.
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Post by kinghanco on Feb 20, 2007 21:29:21 GMT -5
Hmmm that odd. I think it was ccd/img/sub image that Alcohol 52% made. If so then I was wrong on what I have. Yea it did convert from using ccd/img/sub image to cdz as long it can read the whole ccd/img/sub image files. I was confused and now I got the right answer.
Anyway I haven't use the cdz to test the games on pSX. I just now try it out. I been using these ccd/img/sub image to test on pSX.
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Post by Sune on Feb 20, 2007 23:05:34 GMT -5
This thread got me wondering - why .cdz?
What is the advantage - what is the difference between .cdz and simply zipping or rar'ing a CD image - why couldn't pSX support reading an image from a .zip or .rar file?
Does it have to do with how the emulator reads the CD image?
I know there must be a reason for it :-)
Also I'd like to know if the .cdz converter in pSX supports all the image formats that pSX supports, or if it only supports cue/bin images? What if i want to make a .cdz of a game that has cue/ccd/img/sub files, will the converter include everything in the .cdz?
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Post by Ultima on Feb 20, 2007 23:24:03 GMT -5
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