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Gran Turismo PSP Emulation Issues
03-13-2018, 05:27 PM
Post: #1
Gran Turismo PSP Emulation Issues
My computer ain't the greatest in the world, but for whatever reason, it can emulate PSP games pretty well.
All except for Gran Turismo.
For some god-forsaken reason, I'm getting lag in the MENUS, and sometimes it can even affect the gameplay!
There are different results depending on a situation:
>Loading a race from the menu transfers the lag to the gameplay
>A race loaded from a save-state runs perfectly fine
>If a race is loaded from the menu, slowing down the car can slow down the framerate...for some reason

Here's my setup.

Computer: Lenovo G50
OS: Windows 7 Ultimate SP1, x64
Processor: AMD A6-6310 with Radeon R4 graphics
RAM: 4.00 GB

No VSync
No postprocessing shader, I have to resort to D3D9 for Gran Turismo and only Gran Turismo
1x rendering resolution, again, only for Gran Turismo
1x window get the idea
Buffered rendering
Frameskipping set to automatic if the framerate ever starts having a seizure
Texture filtering set to automatic
Screen scaling filter set to linear
Texture scaling off, but whatever "xBRZ" is is checked
Hardware transform on
Vertex cache on

Help is appreciated!
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03-14-2018, 10:46 AM
Post: #2
RE: Gran Turismo PSP Emulation Issues
If a "slowdown" is different in-game when loaded from savestate than in-game, it most likely means that your pc is throttling from the harder to emulate parts or keeps power saving mode from the easier to emulate parts.

You use word "all", when in reality you ment "other games I tried", there are a lot of psp games, many of them are easy to emulate, some are not, the latter will have higher, sometimes much higher requirements and most popular games are among those and will require more powerful hardware.

Also while I have no clue about this particular game game, it would be nothing weird for some menus to be more demanding than in-game graphics. 2D graphics is commonly harder to make on modern hardware especially in emulation where nothing is as simple as it looks and s stupid wall could be harder to draw than a complex battle scene. - Custom PPSSPP Shaders! - simple CE scripts to help creating CWCheats, - CWCheat workarounds.
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