Add data exchange through a global shared state block #1302

Job	Run time
Version	5s
Build libpinmame-win-x64	1m 58s
Build libpinmame-win-x86	2m 17s
Build libpinmame-win-arm64	1m 41s
Build libpinmame-osx-x64	2m 27s
Build libpinmame-osx-arm64	2m 7s
Build libpinmame-ios-arm64	1m 8s
Build libpinmame-tvos-arm64	1m 20s
Build libpinmame-linux-x64	3m 1s
Build libpinmame-android-arm64-v8a	1m 21s
Build libpinmame-osx	9s
dispatch	0s
	17m 34s

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