The HP code is not an infinite HP code, since the Inf Shield code makes it unnecessary.
Also, I haven't figured out DMA yet.
Sorry.
9999 Max WPA is not a typo. You have current and max values of WPA, like most games with RPG elements.
Also, Max DEF in-game is 6, so that's what the value in the code is. Feel free to mess with it, if you like.
All codes are 64-bit float values, but most only use the first 8 bits due to laziness.
# PCSE01191 Xenon Valkyrie+
_V0 Max Cells
$0200 83CFFC80 E0000000
$0200 83CFFC84 416312CF
_V0 Max Teamerite
$0200 83CFFD64 412E847E
_V0 Max TP
$0200 83CFFD04 408F3800
_V0 Quick Level Gain
$0200 83CFFD24 3FF00000
_V0 Inf Shield
$0200 83CFFD94 40080000
_V0 9999 HP [NOTE 1]
$0200 83CFFCE4 40C38780
$0200 83CFFCF4 40C38780
_V0 Inf Grenades
$0200 83CFFDC4 40080000
_V0 No Wait for Grenades/Special
$0200 83CFFDA4 40590000
$0200 83CFFDA0 00000000
_V0 Inf Keys
$0200 83CFFD74 40080000
_V0 Inf WPA
$5200 83CFFDE4 83CFFDD4
_V0 9999 Max WPA
$0200 83CFFDD4 40C38780
_V0 9999 STR
$0200 83CFFCB4 40C38780
_V0 Max DEF
$0200 83CFFCA4 40180000
_V0 [1] Enable at base or somewhere a new screen will load
$0000 00000000 00000000