;py,from interpreter import *

o1000 sub
M73
M9 (mist+flood off)
o1000 endsub


m7 (mist on)
m8 (flood on)

o1000 call

(mist+flood must be on again here since restored by M73:)

;py,assert this.params["_mist"] == 1.0
;py,assert this.params["_flood"] == 1.0

m2