Raw parts extracted using RippyK, assembled versions ripped from in-game using KEmulator and Cheat Engine.

Search for hex "1E" when idle in robot mode, then "10" as moving truck, then "26" as idle truck. this should get 2 addresses with identical values.
1st value seems to swap animations safely
2nd value often causes game to freeze

changing to gun mode changes values. different sprite obj?


optimus animations
0	idle gun
1
2	walk
3	transition to jump FREEZE
4		DISAPPEAR, FREEZE
5	jump	FREEZE
6	legs 	FREEZE
7	transition to fall
8	
9	fall
a
b	punch 1
c	punch 2
d	punch 3
e	gun mode - up-high
f	gun mode - up-low
10	truck drive
11	truck fall
12	truck land
13	transform into truck
14	transform from truck
15	shoulder-charge
16
17
18
19
1a
1b
1c
1d	hurt
1E	idle
1f
20
21
22	block
23	death
24	?
25		FREEZE
26	truck idle
27
28
29	victory
2A
2B		FREEZE
2C	gun mode
2D	punch?
2E		FREEZE