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    Getting the best PSP experience on a Pi 4

    Scheduled Pinned Locked Moved General Discussion and Gaming
    pi 4bpspppsspplr-ppssppoverclocking
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    • quicksilverQ
      quicksilver
      last edited by

      So I found that changing the video mode in the runcommand menu from 1080p to 720p increased performance a little bit. I tested god of war and got about a 2 fps bump. You can go as low as 640x480 for about a 3 fps bump, but the aspect ratio is wrong so I dont recommend it.

      George SpiggottG 1 Reply Last reply Reply Quote 0
      • George SpiggottG
        George Spiggott @quicksilver
        last edited by

        @quicksilver Thanks. I have given that a try. Wipeout runs at full 60fps (so long as you don't cause any explosions) for the whole track. Medieval runs at full speed with 3x resolution (approx 800p).

        It does muck up the ppsspp menus a bit but this is a minor problem. With that in mind does anyone know why lr-ppsspp runs slower than ppsspp?

        I will also experiment with this on the N64.

        Currently running:
        Retropie 4.8.9 on a Pi Zero 2W (Overclock Settings: CPU 1400Mhz)
        ES-DE on a GMKtec K6 (Windows 11, 32GB RAM)

        quicksilverQ 1 Reply Last reply Reply Quote 0
        • _robert1243_
          _robert1243
          last edited by

          This will cause a big performance hit for most 3d intensive games. If you're getting poor performance on a certain game, switch back to 1x .

          1 Reply Last reply Reply Quote 1
          • quicksilverQ
            quicksilver @George Spiggott
            last edited by quicksilver

            @George-Spiggott retroarch seems to have a performance impact on most emulators compared with their standalone counterparts. It's the same with mupen64plus. Retroarch must have some additional overhead or something.

            1 Reply Last reply Reply Quote 0
            • IceChes1I
              IceChes1
              last edited by

              My vanilla Pi 4B 1 GB runs PSP games great. No overclock or anything. lr-ppsspp is a bit slow though.

              HOME CONSOLE
              Pi 4
              SanDisk 64 GB
              Master branch install
              3.5 amp CanaKit PSU
              Logitech F310, Dell keyboard, Dell mouse, JetFlash Transcend 16 GB USB stick
              HANDHELD
              Pi 0 W
              SanDisk 32 GB
              Random image I found. Had a driver I needed.
              IPEGA PG-9157 USB Receiver

              1 Reply Last reply Reply Quote 0
              • George SpiggottG
                George Spiggott
                last edited by

                I've been playing GTA: Vice City Stories with this seup in 3x and 1:1 resolution where it plays fairly smoothly. Does anyone know the resolution of 1:1?

                Currently running:
                Retropie 4.8.9 on a Pi Zero 2W (Overclock Settings: CPU 1400Mhz)
                ES-DE on a GMKtec K6 (Windows 11, 32GB RAM)

                quicksilverQ 1 Reply Last reply Reply Quote 0
                • quicksilverQ
                  quicksilver @George Spiggott
                  last edited by

                  @George-Spiggott said in Getting the best PSP experience on a Pi 4:

                  Does anyone know the resolution of 1:1?

                  480x272 is native PSP resolution, so I would assume that's what it is.

                  1 Reply Last reply Reply Quote 0
                  • George SpiggottG
                    George Spiggott
                    last edited by

                    That is 1x in ppsspp. 1:1 seems to be higher res, maybe HD but I can't tell exactly.

                    Currently running:
                    Retropie 4.8.9 on a Pi Zero 2W (Overclock Settings: CPU 1400Mhz)
                    ES-DE on a GMKtec K6 (Windows 11, 32GB RAM)

                    quicksilverQ 1 Reply Last reply Reply Quote 0
                    • quicksilverQ
                      quicksilver @George Spiggott
                      last edited by

                      @George-Spiggott maybe the native resolution of your display, or current display mode.

                      1 Reply Last reply Reply Quote 0
                      • George SpiggottG
                        George Spiggott
                        last edited by

                        Since I now have the official release (4.6) and new overclock settings (v3d @ 850) I have gone back to experimenting with PSP settings. I'm currently running Lr-PPSSPP without the modified video mode. I'm getting reasonable results that seem comparable to PPSSPP. I was able to reduce Audio Latency (ms) to 512 (this is not modifiable in PPSSPP AFAIK) which helps with the sound breaks/crackling when the game slows down.

                        Medieval - Resurrection runs in 1080p (PSP resolution x4) without fault if you're prepared to put up with some fairly heavy breaks in the sound during the intros or 544p (PSP resolution x2) if you're not. Tomb Raider - Anniversary seems no slower in 544p than it was in PPSSPP but with smoother audio. Grand Theft Auto - Vice/Liberty City Stories both seem fine in 544p.

                        Currently running:
                        Retropie 4.8.9 on a Pi Zero 2W (Overclock Settings: CPU 1400Mhz)
                        ES-DE on a GMKtec K6 (Windows 11, 32GB RAM)

                        1 Reply Last reply Reply Quote 0
                        • IceChes1I
                          IceChes1
                          last edited by

                          I have no idea how 4.6 runs. I accidentally bricked my Pi 4.
                          :(

                          HOME CONSOLE
                          Pi 4
                          SanDisk 64 GB
                          Master branch install
                          3.5 amp CanaKit PSU
                          Logitech F310, Dell keyboard, Dell mouse, JetFlash Transcend 16 GB USB stick
                          HANDHELD
                          Pi 0 W
                          SanDisk 32 GB
                          Random image I found. Had a driver I needed.
                          IPEGA PG-9157 USB Receiver

                          simpleethatS 1 Reply Last reply Reply Quote 0
                          • simpleethatS
                            simpleethat @IceChes1
                            last edited by

                            @IceChes1 I'm really not trying to highjack this thread but I've got to ask. How did you brick a pi?

                            1 Reply Last reply Reply Quote 0
                            • IceChes1I
                              IceChes1
                              last edited by

                              Tried to attach a cooling fan to it which somehow fried it.

                              HOME CONSOLE
                              Pi 4
                              SanDisk 64 GB
                              Master branch install
                              3.5 amp CanaKit PSU
                              Logitech F310, Dell keyboard, Dell mouse, JetFlash Transcend 16 GB USB stick
                              HANDHELD
                              Pi 0 W
                              SanDisk 32 GB
                              Random image I found. Had a driver I needed.
                              IPEGA PG-9157 USB Receiver

                              1 Reply Last reply Reply Quote 0
                              • George SpiggottG
                                George Spiggott
                                last edited by George Spiggott

                                Has anyone managed to get any noticeable increase in performance since installing the new v5.4 kernel? I think there are definitely incremental improvements to both kernel and emulator that have allowed me to reduce my reliance on frame skip.

                                I did notice that PPSSPP's smoothing seems to have very little overhead and can be used in a few games.

                                Currently running:
                                Retropie 4.8.9 on a Pi Zero 2W (Overclock Settings: CPU 1400Mhz)
                                ES-DE on a GMKtec K6 (Windows 11, 32GB RAM)

                                1 Reply Last reply Reply Quote 0
                                • CrushC
                                  Crush
                                  last edited by

                                  Simply changing "lower resolution for effects" from off to agressive, causes 99% of the games to run full speed while looking wonderfull at 2x resolution without overclocking.

                                  George SpiggottG 1 Reply Last reply Reply Quote 0
                                  • George SpiggottG
                                    George Spiggott @Crush
                                    last edited by

                                    @Crush said in Getting the best PSP experience on a Pi 4:

                                    Simply changing "lower resolution for effects" from off to agressive, causes 99% of the games to run full speed while looking wonderfull at 2x resolution without overclocking.

                                    How do you access that? It is greyed out in PPSSPP.

                                    Currently running:
                                    Retropie 4.8.9 on a Pi Zero 2W (Overclock Settings: CPU 1400Mhz)
                                    ES-DE on a GMKtec K6 (Windows 11, 32GB RAM)

                                    CrushC A 2 Replies Last reply Reply Quote 0
                                    • CrushC
                                      Crush @George Spiggott
                                      last edited by

                                      @George-Spiggott said in Getting the best PSP experience on a Pi 4:

                                      How do you access that? It is greyed out in PPSSPP.

                                      I can't think of any option that would disable it, i didn't do anything special to change it.
                                      It's ppsspp not lr-ppsspp.

                                      1 Reply Last reply Reply Quote 0
                                      • A
                                        AdamBeGood @George Spiggott
                                        last edited by AdamBeGood

                                        @George-Spiggott said in Getting the best PSP experience on a Pi 4:

                                        @Crush said in Getting the best PSP experience on a Pi 4:

                                        Simply changing "lower resolution for effects" from off to agressive, causes 99% of the games to run full speed while looking wonderfull at 2x resolution without overclocking.

                                        How do you access that? It is greyed out in PPSSPP.

                                        I believe the resolution has to be at 2x (or rather above 1x). It seems to make little sense, but God Of War: Chains does seem better with it... Rather counter-intuitive and I haven't played far in but this does seem to work.

                                        Resistance still falls over, but definitely gets further than without the Aggresive setting.

                                        George SpiggottG 1 Reply Last reply Reply Quote 0
                                        • George SpiggottG
                                          George Spiggott @AdamBeGood
                                          last edited by

                                          In LR-PPSSPP there are three frame skip options. Auto (on/off), Number of Frames (0-9) and Frame Skip Type (0-9). Does anyone know what Frame Skip Type is? and what the 10 different settings do?

                                          Also is it possible to activate the post processing effects, specifically FXAA?

                                          Currently running:
                                          Retropie 4.8.9 on a Pi Zero 2W (Overclock Settings: CPU 1400Mhz)
                                          ES-DE on a GMKtec K6 (Windows 11, 32GB RAM)

                                          retropieuser555R 1 Reply Last reply Reply Quote 0
                                          • retropieuser555R
                                            retropieuser555 @George Spiggott
                                            last edited by

                                            Just messing around with the PPSSPP, how is everyone exiting their games? As I realised if you add --escape-exit to the option in emulator.cfg it lets you use whatever you've mapped to "pause" to leave the emulator, rather than having to go through the 2 menus each time.

                                            The only game I've set to the 1x resolution is burnout, everything else seems to run pretty much fine on 2x with a little audio crackling but no lag and a nice frame rate of 20/30/60 depending on the game.

                                            Pi 5 4GB

                                            Retroflag GPI with raspberry pi zero 2 w/ wifi

                                            Retroachievements:- lovelessrapture

                                            Z 1 Reply Last reply Reply Quote 0
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