Can this emulator play PS1 games in the future?

Are you...implying that....it...might be possible? O_O

Well, in my opinion the PS3 is complex enough to take care of the PSvita too, at least if only few people are working on RPCS3.

However, with the current public information about the PSvita *some progress can already be done*. The point is, as always, the number, skills and free-time of the developers interested on a certain platform.

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yes i were, because from what i heard, emulating it is as hard as ps3 is

I am not an expert about the PSvita platform, but it shouldn't be as hard as the PS3. At least you got a screen with a fixed resoultion, and an ARM processor which hasn't a spaghetti of cores. And talking about raw speed of the CPU and GPU, the PS3 is more powerful than Vita.

If you want a decent PSVITA emulator, do it on a pc. Unlike PSP which has a lot of security holes, this one seems pretty difficult to hack it. Emulating a PS3 game on a PC won't be probably fullspeed, so - supposedly PSVITA emulation is not too lower level emulation specific to PS3 - PSVITA emulation through PS3 emulation on a PC won't be as fast as you may expect.

As far as I know, jpcsp and ppsspp are not emulating ps1 games with pops.