make beeper seperate from gpu and also move modules into their own files

makefile

@@ -2,10 +2,10 @@ SDL_CFLAGS = `sdl2-config --cflags`
 SDL_LDFLAGS = `sdl2-config --libs`
 
 lint:
-	verilator --lint-only --timing yayacemu.sv rom_loader.sv
+	verilator --lint-only --timing *.sv
 
 build: lint
-	verilator --cc --exe --build --timing -j 0 yayacemu.sv rom_loader.sv yayacemu.cpp -CFLAGS "${SDL_CFLAGS}" -LDFLAGS "${SDL_LDFLAGS}" && clear
+	verilator --cc --exe --build --timing -j 0 --top-module yayacemu *.sv yayacemu.cpp -CFLAGS "${SDL_CFLAGS}" -LDFLAGS "${SDL_LDFLAGS}" && clear
 
 run: build
 	obj_dir/Vyayacemu ${ROM_FILE}