* cmake: use c++17
* Use std::size
* Use std::make_unique
* Use std::clamp
* Use structured binding
* Use [[fallthrough]]
* Use enable_if_t/is_enum_v/is_integral_v/is_same_v
* Use if constexpr
* Use try_emplace
* Use auto for iterators
* Use inline variables
single-threaded mode similar to libretro core
stateful Emulator object
disable memory watcher when !gppo
ggpo: poll input as late as possible in !threaded
aica arm x86: use pc-relative addressing to access arm registers
OSX project fix
arm7: add simple ldm/stm handling. optimize arm32 and x64 recs
update CMakeLists.txt and Makefile. finish rebase