Go to the menu during game play and select "Options". Type schnosm
at the "Options" menu to enable cheat mode. The screen will flash 
to confirm correct code entry. You will also see a picture of the 
game's developer in the bottom right corner. In this mode you will
see the full map with all characters and monsters and can click on
it to teleport to that location; you can walk through walls; the 
"Use" pointer has unlimited reach; experience will be awarded if 
battles are terminated with "End"; enemies cannot engage you in 
battles; and all spells are at maximum with a 1 SP cost. Also, the 
following codes can now be activated. 

Effect                          Code
------------------------------------------
Export data                   - [Alt] + [F4]
Battle with mixed monsters    - [Alt] + [F8]
Quit game                     - [Alt] + [F3]
Graphics data                 - [Alt] + [F11]
Map and coordinate data       - [Alt] + [F10]
Display miscellaneous data    - [Alt] + [F1]
Display miscellaneous data    - [Alt] + [F5]
Display miscellaneous data    - [Alt] + [F6]
Faster time                   - [Alt] + [F9]
Teleport to input coordinates - [Alt] + [F2]
Teleport to cheat map         - [Alt] + [F7]
Disable cheat mode            - [Alt] + [F12]