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[RELEASE] PicoDrive 1.92 - with SVP dynarec

Running old school games on your PSP? It's definitely possible
robson.santana
Posts: 79
Joined: Mon Sep 26, 2016 11:45 pm

Re: PicoDrive 1.91 (PSP)

Post by robson.santana » Mon Oct 24, 2016 11:08 am

panther123 wrote:just thought to let you know that Lunar 2:Eternal Blue is not working either,but it was working fine in picodrive 1.51 :|
I just a black screen,but no psp freeze when loading it up...
Hi, can you put this fail in this page, please? https://github.com/robson-alcantara/picodrive/issues . Thanks for contribute
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Quickgold
Posts: 11
Joined: Sun Feb 14, 2016 3:48 am

Re: PicoDrive 1.91 (PSP) - with SVP dynarec

Post by Quickgold » Fri Nov 18, 2016 4:18 am

Awesome nice version, but 32X emulation is too slow, well you can't ask too much to the nice old PSP, keep the nice job!
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robson.santana
Posts: 79
Joined: Mon Sep 26, 2016 11:45 pm

Re: PicoDrive 1.91 (PSP) - with SVP dynarec

Post by robson.santana » Fri Nov 18, 2016 4:39 pm

Quickgold wrote:Awesome nice version, but 32X emulation is too slow, well you can't ask too much to the nice old PSP, keep the nice job!
No, the PSP can emulate 32x in a decent way, if use a dynarec.

Digitsie
Posts: 7
Joined: Fri Oct 21, 2016 12:15 am

Re: PicoDrive 1.91 (PSP) - with SVP dynarec

Post by Digitsie » Sat Nov 19, 2016 2:43 pm

After thinking about it, maybe I should ask - what settings are you using to get 32X roms working, and which ones work with what settings?

robson.santana
Posts: 79
Joined: Mon Sep 26, 2016 11:45 pm

Re: PicoDrive 1.91 (PSP) - with SVP dynarec

Post by robson.santana » Sat Nov 19, 2016 4:54 pm

Digitsie wrote:After thinking about it, maybe I should ask - what settings are you using to get 32X roms working, and which ones work with what settings?
For me, any 32x rom run very slow, set frameskip to 0, try all 32x renderers, no bios is need. Reducing SH2 cycles you gain any speed, however, will be playable only if a dynarec is implemented

Quickgold
Posts: 11
Joined: Sun Feb 14, 2016 3:48 am

Re: PicoDrive 1.91 (PSP) - with SVP dynarec

Post by Quickgold » Sun Nov 20, 2016 1:40 am

robson.santana wrote:
Digitsie wrote:After thinking about it, maybe I should ask - what settings are you using to get 32X roms working, and which ones work with what settings?
For me, any 32x rom run very slow, set frameskip to 0, try all 32x renderers, no bios is need. Reducing SH2 cycles you gain any speed, however, will be playable only if a dynarec is implemented
Do you have any future plan for implement dynarec with 32X? (Retroarch does with picodrive in their port for android).

robson.santana
Posts: 79
Joined: Mon Sep 26, 2016 11:45 pm

Re: PicoDrive 1.91 (PSP) - with SVP dynarec

Post by robson.santana » Sun Nov 20, 2016 12:56 pm

Quickgold wrote:
robson.santana wrote:
Digitsie wrote:After thinking about it, maybe I should ask - what settings are you using to get 32X roms working, and which ones work with what settings?
For me, any 32x rom run very slow, set frameskip to 0, try all 32x renderers, no bios is need. Reducing SH2 cycles you gain any speed, however, will be playable only if a dynarec is implemented
Do you have any future plan for implement dynarec with 32X? (Retroarch does with picodrive in their port for android).
I have not decided yet, but if I try, it will be slow. Picodrive has this dynarec for arm since old versions

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bosshunter
Posts: 9
Joined: Fri Sep 02, 2011 8:04 am

Re: PicoDrive 1.91 (PSP) - with SVP dynarec

Post by bosshunter » Tue Nov 22, 2016 3:38 pm

The collision detection doesn't work on Star Wars for the Master System.

This is a common flaw present in every single Master System emulator (MasterBoy, SMS Plus, e[mulator], MMS Plus, PSP Master) for PSP for this game.

Can it be fixed?
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robson.santana
Posts: 79
Joined: Mon Sep 26, 2016 11:45 pm

Re: PicoDrive 1.91 (PSP) - with SVP dynarec

Post by robson.santana » Tue Nov 22, 2016 5:13 pm

bosshunter wrote:The collision detection doesn't work on Star Wars for the Master System.

This is a common flaw present in every single Master System emulator (MasterBoy, SMS Plus, e[mulator], MMS Plus, PSP Master) for PSP for this game.

Can it be fixed?
Yes, it can be fixed. This error is in the z80 core I think. Difficult to locate. My work in this emulator was to port version 1.91 to the PSP and implement the SVP dynarec. For now I'm taking a break to go on with life. If I go back to work on this project, it will be in the SH2 recompiler. But the code is open and anyone can contribute. Best regards.

robson.santana
Posts: 79
Joined: Mon Sep 26, 2016 11:45 pm

Re: PicoDrive 1.91 (PSP) - with SVP dynarec

Post by robson.santana » Wed Nov 23, 2016 12:57 am

What are the mega drive and sega cd games that are only compatible with this version?

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