1. Savestate

Save the state to the slot selected.

2. Loadstate

Load the state of the slot selected.

3. Changedisc

Some games could require to changedisc on gameplay. Use this option to change the previous/next disc.

4. Toggleframelimit

You can enable/disable the framelimit, so you can pass some part of the game faster.

5. Cheatcodes

In this option, you can enable/disable cheat codes for the game which you are playing. If you don't have cheat codes for this game, you will see a download button to get cheatcodes file from our server. ePSXe supports GameShark cheat codes. You can download the cheat codes from our server with the Download button on cheatcode option during gameplay or create your own file.
In the second case, you can load cheat codes in the emulator creating a file called 'sdcard/epsxe/cheats/SXXX_XXX.XX.txt (where SXXXX_XXX.XX is the PS-EXE name of the game, which you can see in exit option, or in the cheat code option during gameplay) in your sdcard. For example in Final Fantay 8 US-NTSC the file name is:
'epsxe/cheats/SLUS_008.92.txt'.
ePSXe supports 256 codes per file. The file format is:
#description of cheat code 1
XXXXXXXX YYYY
ZZZZZZZZ AAAA
#descripion of cheat code 2
NNNNNNNN MMMM
For example for Final Fantasy 8 US-NTSC, it could be:
#Zell level 20
800778a4 4a38
Currently, only 80XXXXXX, 30XXXXXX, 50XXXXXX, 1F800XXX, D0XXXXXX, D1XXXXXX, D2XXXXXX, D3XXXXXX, E0XXXXXX, E1XXXXXX, E2XXXXXX, E3XXXXXX gameshark codes are supported, the rest will be ignored. You can find GameShark codes in a lot of webpages in internet, like:
http://psxdatacenter.com
http://www.gamegenie.com/cheats/gameshark/ps1/index.html
After that, re-load your game, and you will be able to enable/disable the gameshark codes from the menu 'cheat codes' on gameplay (disabled by default).