In case anyone is interested, I put together a set of codes to play with camera in the Japan-region version of the game.
Here is the video, and the Japan-region version of the codes are in the video description.
Click to play video.
youtube.com/watch?v=moltBVw1hvU
And the US version codes:
When you use the vertical rotation, once you cross either the top or
the bottom point the controller direction will reverse
286DFC80 00000A00 --> A+1 to detach camera from character
04187978 60000000
04187988 60000000
04187998 60000000
04187D84 60000000
04187D8C 60000000
04187D94 60000000
E0000000 80008000
286DFC80 00000900 --> A+2 to re-attach camera to character
04187978 D05F01C0
04187988 D03F01C4
04187998 D01F01C8
04187D84 D01D01C0
04187D8C D01D01C4
04187D94 D01D01C8
E0000000 80008000
286DFC80 00000000 --> to stop camera when no button pushed
0418A670 C0DF01B0
E0000000 80008000
286DFC80 00000001 --> D-Pad left
C218A670 00000003
821F01C0 3A201000
7E118050 921F01C0
C0DF01B0 00000000
E0000000 80008000
286DFC80 00000002 --> D-Pad right
C218A670 00000003
821F01C0 3A201000
7E108A14 921F01C0
C0DF01B0 00000000
E0000000 80008000
286DFC80 00004000 --> C (north)
C218A670 00000003
821F01C8 3A201000
7E118050 921F01C8
C0DF01B0 00000000
E0000000 80008000
286DFC80 00002000 --> Z (south)
C218A670 00000003
821F01C8 3A201000
7E108A14 921F01C8
C0DF01B0 00000000
E0000000 80008000
286DFC80 00000800 --> A (up/higher)
C218A670 00000003
821F01C4 3E200010
7E108A14 921F01C4
C0DF01B0 00000000
E0000000 80008000
286DFC80 00000400 --> B (down/lower)
C218A670 00000003
821F01C4 3E200010
7E118050 921F01C4
C0DF01B0 00000000
E0000000 80008000
286DFC80 00002400 --> Z+B (zoom in)
C218A670 00000003
821F01B0 3E200001
7E118050 921F01B0
C0DF01B0 00000000
E0000000 80008000
286DFC80 00002800 --> Z+A (zoom out)
C218A670 00000003
821F01B0 3E200001
7E108A14 921F01B0
C0DF01B0 00000000
E0000000 80008000
286DFC80 00004400 --> C+B (horizontal rotation)
C218A670 00000004
AA1F01AE 3A200010
7E108A14 5610043E
B21F01AE C0DF01B0
60000000 00000000
E0000000 80008000
286DFC80 00004800 --> C+A (vertical rotation)
C218A670 00000004
AA1F01AC 3A200010
7E118050 5610043E
B21F01AC C0DF01B0
60000000 00000000
E0000000 80008000