This is a Game Boy Color emulator I wrote some years ago.
Pan Docs: https://gbdev.io/pandocs/
GBSOUND.TXT
Game Boy Sound Operation.txt
z80 Heaven: http://z80-heaven.wikidot.com/
Z80 Family CPU User Manual
Set Character Set to Not Set.
Disable SDL checks.
Include the following libraries: d3d9.lib, dsound.lib, dinput8.lib, dxguid.lib.
Set SubSystem as Windows.
Build.