So I'm ripping all of my PS2 games and I noticed that the Sonic Mega Collection Plus is a whole 4.7GB, filling the entire DVD. Given that it's a collection of Genesis games, what could be taking up all that space?
A few dozen megabytes for the games and the launcher
About 1GB in video files
3GB in a file called _DUMMY_.BIN which contains nothing but NUL bytes
Anyway I'm done ripping all(*) my PS2(**) games and installing them to my SSD. Maybe I'll actually play some of them someday.
I'm surprised I "only" have 48 PS2 games in all. I thought I had more.
* Dance Factory failed to rip but it's unplayably awful and also wouldn't work as an HDLoader game anyway since it requires disc swapping so who cares
** as in PS2-native, as I haven't done any PS1 games, many of which also wouldn't work right with HDLoader anyway since they require disc swaps
@fluffy may have been pushing the rest of the data out toward the edge of the disc to load faster? this was a strategy they employed on the Dreamcast, at least
@fluffy more to do with the other bonus content in SMC+, like textures of manual page scans and artwork, or just navigating between menus
@fluffy This is why the Dolphin emulator devs implemented a unique lossless compressed disc format to crunch junk data especially well. An extreme but real example (and the only game I ever worked on that saw store shelves... and it shouldn't have). How often does a file compress to under 0.3% of original size?
Interestingly, Windows' built-in file compression brings this particular ISO down to about 0.6%. RVZ outperforms greatly on games with non-contiguous junk.
@fluffy I'm pretty sure that's standard fare for PS2 (and GameCube) images. For whatever reason, they're always padded out to the full size of the disc.
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