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→Emulation issues
The PS1 hardware didn't have a [https://en.wikipedia.org/wiki/Z-buffering z-buffer]. The lack of a z-buffer causes things like polygons popping over others. Tekken character limbs are a good example to see that.Its theoretically possible to implement Z-Buffer in PSX emulators/GPU plugins.[http://translate.google.com/translate?depth=1&hl=en&ie=UTF8&prev=_t&rurl=translate.google.pl&sl=ru&tl=en&u=http://forum.emu-russia.net/viewtopic.php%3Fp%3D17237]
No texture perspective correction causes distortion to texture angles at certain viewing angles. Notably at the bottom near the camera. Which probably could be mitigated with proper modern texture filtering methods if someone implemented itthem in PSX emulators.
==PlayStation Resources==
