Shape of Mind transparency? issues
## Game: Shape of Mind
* https://www.lexaloffle.com/bbs/?pid=shapeofmind
* cart: https://www.lexaloffle.com/bbs/cposts/sh/shapeofmind-2.p8.png

## fake-08 version
`MiyooMini-libretro 0.0.2.20`

## Issue
Rotating "ribbon" around head doesn't appear transparent, seems to pick garbage values for color from placed pieces

## Expected behavior
It appears as it does in browser at https://www.lexaloffle.com/bbs/?pid=shapeofmind

![image](https://github.com/jtothebell/fake-08/assets/70942617/63962da0-4817-4bc0-a9f1-3635fbb3eedf)

![image](https://github.com/jtothebell/fake-08/assets/70942617/c6024be0-f034-44ed-be16-fb71cf01866c)

## Experienced Behavior
![shapeofmind-2 p8_000](https://github.com/jtothebell/fake-08/assets/70942617/c06e6de3-be85-460e-a52d-160864567cd3)
![shapeofmind-2 p8_001](https://github.com/jtothebell/fake-08/assets/70942617/f3f94604-ff65-461d-9844-893ab155e5d3)

