Revert "400bytes, 828 cycles"

This reverts commit adec83317120f0971b1f972d7206a64561216ba9.
dfdf

This reverts commit 017cdc167cf9dac448691828722913a1be2ec01f.

Conflicts:
	codes/smooth.s
revert gao

This reverts commit 017cdc167cf9dac448691828722913a1be2ec01f.

Conflicts:
	codes/smooth.s