Add data exchange through a global shared state block #1294

Job	Run time
Version	7s
Build libpinmame-win-x64	1m 46s
Build libpinmame-win-x86	2m 8s
Build libpinmame-win-arm64	1m 56s
Build libpinmame-osx-x64	2m 51s
Build libpinmame-osx-arm64	1m 38s
Build libpinmame-ios-arm64	1m 3s
Build libpinmame-tvos-arm64	1m 22s
Build libpinmame-linux-x64	3m 0s
Build libpinmame-android-arm64-v8a	1m 14s
Build libpinmame-osx	9s
dispatch	0s
	17m 14s

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