Replace all inline assembler in Generals and Zero Hour #472

• Follow up for Get Generals and Zero Hour to compile with vs2022 & c++20 #471

Replace all inline assembler in Generals and Zero Hour to stabilize the runtime and making it compatible with Address Sanitizer, cross platform, x64 builds.

The VS6 build must keep using the legacy inline assembler to guarantee compatibility with retail builds.

TODO:

• Zero Hour
• Generals