Holds the sprite state for the current animation frame being displayed for Jetman's jetpac thruster "smoke". Note: each animation loop uses a (random) two colour pair from the 4 possible colours.

Bytes(n)	Variable
0	Animating: 00=no, 03=anim done, 08=animating
1	Last Jetman X location
2	Last Jetman Y location
3	Colour: Red, Magenta, Yellow, White
4	Frame: 0-7
5	Unused
6	Unknown (set to $03 on first use)
7	Unused