Try this:
Code:
bob(0,1)
Crop(2,0,0,-12)
deen("a2d",7,8,20)
awarpsharp(depth=6)
separatefields()
selectevery(4,0,3)
weave()
AddBorders(0,6,2,6)
return last
Roughly same output.
This will save a number of kilowatt and cpu cycles, in addition chroma planes will thank you.