Ran cargo-fix to automatically fix most of the build warnings,
Cleaned up dead code, and fix the rest manually
Former-commit-id: f35faba46b40eaf9c047efb8ab1e77ffa24d41b6
This change fixes#9 and emulates:
- Correct layer ordering
- Correct emulation of blending sfx
- Correct emulation of the object window (BIOS boot animation is now fixed)
Former-commit-id: caf46fe4b62cc54e6f2c02a8001da552f8e6b54a