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12-11-2015, 06:37 PM
(This post was last modified: 12-11-2015, 06:41 PM by willkuer.)
That's why i asked for the ps2 version dependency. Still there were always shared ressources between ps2 and psx in compatibility mode iirc. Eg. The ps2 IOP was always used as psx EE and one of the ps2 SPU's was used for psx SPU. Emulating the psx gs chip that was hard implemented into the ps2 probably doesnt help ps2 compatibility much.
I guess nobody knows how much this will help if at all. And nobody really knows how to start or doesnt have time. Probably this could be tackled by a psx emulator dev if he ever wants to. But i guess if you leave your psx emu project you never want to see psx code again for the rest of your life...
It would be good to know how manny devs intensively code in more than one emu. I guess coding emu's is dewasting... (Does that word exist?) exhausting...
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Does Jak & Daxter 1 utilizes the on board psx cpu for data streaming?
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12-18-2015, 11:27 AM
(This post was last modified: 12-18-2015, 11:28 AM by PapermanZero.)
The question is also how to verify the emulated PSX hardware?
If you implement the whole PSX hardware, which equals complete PSX emulation, you could use games to test your implementation.
But if you only implement PSX parts, which possibly have an effect for PS2 games, it will be hard to figure out how accurate the emulated parts are.
Even to figure out which PS2 game uses PSX resources could be difficult.
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12-18-2015, 02:27 PM
(This post was last modified: 12-18-2015, 02:27 PM by refraction.)
the PS2 contains the entire PSX with some additions anyway. Apart from the GPU that is, which is passed through the GS
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And how demanding would adding psx support be. It doesn't make sense to have pcsx2 slightly more accurate if it's then twice as hard to run.
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well we have to figure out exactly what is different and why, that's our only stumbling block at the moment, there's a lot of interconnected stuff that isn't explained anywhere and nobody has really dived in to find out.
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01-21-2016, 12:07 AM
(This post was last modified: 01-21-2016, 12:08 AM by Nobbs66.)
Well, jpd002 (Play! author)wrote a test to see if the IOP has the GTE. It does. Ref also made commit to put the GTE back in.