Command 38

Appears to be a multipurpose sprite command.
Mask
01 . unknown
06 . facing
F8 . unknown

Facing values
00 - up
01 - down
02 - left
03 - right

Interpretation reads as:
SpriteCommand38(unk01, facing, unkF8)


Process Memory byte 0F

01 . unknown
0E . Palette
F0 . unknown . used by Command 31


Address 7E027C - Overworld action

00 - PC movement off
01 - Normal, movement on
03 - Use entrance
05 - Enter menu
06 - Zoom out map
07 - Used for Black Omen exit and Epoch $D2 storyline cutscene
08 - Epoch time gauge
09 - Party exchange menu