PSP_CTRL_SELECT = 0x000001 // Select
PSP_CTRL_START = 0x000008 // Start
PSP_CTRL_UP = 0x000010 // Up on the digital pad
PSP_CTRL_RIGHT = 0x000020 // Right on the digital pad
PSP_CTRL_DOWN = 0x000040 // Down on the digital pad
PSP_CTRL_LEFT = 0x000080 // Left on the digital pad
PSP_CTRL_LTRIGGER = 0x000100 // Left trigger
PSP_CTRL_RTRIGGER = 0x000200 // Right trigger
PSP_CTRL_TRIANGLE = 0x001000 // Triangle
PSP_CTRL_CIRCLE = 0x002000 // Circle
PSP_CTRL_CROSS = 0x004000 // Cross
PSP_CTRL_SQUARE = 0x008000 // Square
PSP_CTRL_HOME = 0x010000 // Home. Just kernel mode.
PSP_CTRL_HOLD = 0x020000 // Hold.
PSP_CTRL_NOTE = 0x800000 // Musical note. Just kernel mode.
PSP_CTRL_SCREEN = 0x400000 // Screen. Just kernel mode.
PSP_CTRL_VOLUP = 0x100000 // Volume up. Just kernel mode.
PSP_CTRL_VOLDOWN = 0x200000 // Volume down. Just kernel mode.
PSP_CTRL_WLAN_UP = 0x040000 // Wlan switch. Just kernel mode.
PSP_CTRL_REMOTE = 0x080000 // Remote switch. Just kernel mode.
PSP_CTRL_DISC = 0x100000 // Present disc. Just kernel mode.
PSP_CTRL_MS = 0x200000 // Present MS. Just kernel mode.

how to use em?
if u want to change the joker button of 4ex. this code #Super Jump
;CREDiT: _xXxTWiST3DxXx_
;Press or Hold up to jump
0x003076E8 0x0E3C1200
0x00704800 0x3C0808E6
0x00704804 0x8D082BC4
0x00704808 0x3C0908E5
0x0070480C 0x8D295658
0x00704810 0x8D2A0058
0x00704814 0x240B0010
0x00704818 0x150B0005
0x0070481C 0x00000000
0x00704820 0x8D4C0048
0x00704824 0x3C0D4250
0x00704828 0xAD4D0048
0x0070482C 0x00000000
0x00704830 0x03E00008
0x00704834 0x3C043F80

if u press up u will jump if u want to change it to4ex.select the value of select is 01 and up is 10 so u just replace 10 with 01 to jump by pressing select if u want other button choose from the list
thanks for Scruffy120 if this helped u rep him