This is the main entry point for the main game code.
.TT170LDX#&FF\ Set the stack pointer to &01FF, which is the standardTXS\ location for the 6502 stack, so this instruction\ effectively resets the stack. We need to do this\ because the loader code in elite-loader.asm pushes\ code onto the stack, and this effectively removes that\ code so we start afresh\ Fall through into BR1 to start the game