Diablo is a Action RPG video game published by Blizzard Entertainment released on March 11, 1998 for the Sony PlayStation (PSX).
How to play on PSP:
Copy the folder containing the EBOOT.PBP to \PSP\GAME\, note that each eboot needs to be "in a folder", else they'll show up as corrupted data.Example Path:
Some "PSX2PSP" eboots can be emulated on PC with ePSXe emulator.
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Diablo (USA) PSP Eboot Download