[Coco] Speed up and slow down POKE

[Mannequin*]

Could someone remind me if I have the speed up and slow down POKE right
for the Coco 3?

Speed up:  POKE 65497,0
Slow down: POKE 65495,0

I think the speed up is right, but I don't think if I have the slow down
one correct.

Thanks.
-M.