* 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
delegate to previous signal handler, proper abort for win32
arm32: use builtin gcc __clear_cache
dyna/driver.cpp: no need for a code buffer in win32, cleanup
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