The following are known CWCheat Codes for Dante’s Inferno on Sony Playstation Portable (PSP).

_S ULES-01384
_G Dante's Inferno [EU]
_C0 Camera Angle Mod
_L 0x1020BF88 0x00003F50
_C0 Demon Mode
_L 0x100A6CFE 0x00003EC0
_L 0x100A68AE 0x00003F70
_L 0x100A47E2 0x00003ED0
_C0 Demon Mode v 2
_L 0x10166570 0x00003EE0
_L 0x1020D378 0x00003F80
_C0 FASTER Gameplay Speed
_L 0x10022EEA 0x00004020
_C0 Flash Walk Motion Only
_L 0x100A47E2 0x00004000
_C0 Game Speed Mod
_L 0x10022EEA 0x00003F80
_C0 Holy EXP Multiplier (x4)
_L 0x20AEA13C 0x00058080
_C0 Inf HP
_L 0x20ACB288 0x3C1142C8
_L 0x20ACB290 0xAC51015C
_L 0x20ACB298 0x0A4B2CD2
_C0 Inf Souls
_L 0x607AE724 0x000F423F
_L 0x00020001 0x00000450
_C0 Inf SP
_L 0x607AE724 0x42C80000
_L 0x00020001 0x000004E4
_C0 Infinite Magic
_L 0x20AEA104 0x3C1742C8
_L 0x20AEA108 0x44970000
_C0 Invincible Scythe
_L 0x100A68AE 0x00003000
_C0 Max Holy Level
_L 0x607AE724 0x00002328
_L 0x00020001 0x00000434
_C0 Max HP
_L 0x607AE724 0x42C80000
_L 0x00020001 0x0000015C
_C0 Max SP
_L 0x20AEA108 0x4600000
_C0 Max Unholy Level
_L 0x607AE724 0x00002328
_L 0x00020001 0x00000438
_C1 Must be ON!!!
_L 0x10022EEA 0x00003F80
_C0 Shadow Mode aka Ghost Dante
_L 0x100A6CFE 0x00003E00 
_C0 Size Mod All
_L 0x10101850 0x00003FA0
_C0 SLOWER Gameplay Speed
_L 0x10022EEA 0x00003E00
_C0 Slower Walk Motion Only
_L 0x100A47E2 0x00003ED0
_C0 Soul Multiplier (x4)
_L 0x20AEA5C8 0x0A200800
_L 0x20002000 0x8C830450
_L 0x20002004 0x0A4BA974
_L 0x20002008 0x00052880
_C0 Unholy EXP Multiplier (x4)
_L 0x20AEA264 0x00058080

_S ULES-01387
_G Dante's Inferno [EU]
_C0 Max HP
_L 0x607AE724 0x42C80000
_L 0x00020000 0x0000015C
_C0 Max SP
_L 0xC0AEA108 0x46000000