* match WinProc
* minor accuracy improvement
* WndProc at 50%
* fix WM_DISPLAYCHANGE branching
* fix type
* fix x/y comparison
* WndProc 82%
* 84%
* 97%
* rearrange functions to get close to the original
* remove newline
* inline no longer necessary
* merge
In 1.0 WINDOW_TITLE seems to be a define like WNDCLASS_NAME. However, in
1.1 it is a const char* like in the already existing code. It also has a
value of "Lego Island" in 1.0 but a value of "Lego®" in 1.1.