- Removed unused VBLANK sleep mode
- Added error log for bad context switch
- Renamed VerifyWait to CheckWaitType to be more clear

More specifically, this also fixes crashes by Citra trying to load a src2 register even if the current instruction does not use that.

Makes for cleaner and faster code.

This allows for proper emulation of the different CMP/LRP/MAD instructions.

Pica/CommandProcessor: Fix vertex decoding if multiple memory areas are accessed for different attributes.

This effectively adds support for a lot texture formats in the rasterizer.

This was caused by the framebuffer display widget not checking whether we are actually in a valid emulation state or not.

This is useful when doing crazy stuff like inheriting from BitField.

This boots a few (mostly Nintendo 1st party) games further.