What is PyXE? PyXE is a compile-x86 emulation based programming language. How it works? PyXE code file recompiles into an x86 Assembler (SASM) SASM compiles into HEX code. PyXE x86 Emulator emulate HEX Assembler. Why this is a just SASM Compiler? PyXE isn't a SASM Compiler. It has own commands.