how to put cheats in psx

can i put cheats in psx like i do in gba like putting gameshark code? plzz help :-*

in onw word: noalso depends of the emulator, wich one you use?

If you mean an emulator, then you need a plugin called PEC, after you get it, you need to unzip it and you should be able to figure out the rest.You can find the plugin here