update and improve emulator

emulator/8608-emulator.bat

@@ -0,0 +1,20 @@
+@echo off
+rem This is the main process to run the 8608 Emulator.
+rem To use it, simply drag an .asm file onto this batch file.
+
+if [%1] == [] goto noarg
+
+cd /d %~dp0
+mkdir temp
+"third-party/customasm/customasm.exe" -f binary -o "temp/temp.bin" %~dpnx1
+"third-party/customasm/customasm.exe" -f annotated -o "temp/temp.lis" %~dpnx1
+"third-party/love/love.exe" %~dp0 "temp/temp.bin"
+goto done
+
+:noarg
+echo No input file specified.
+echo Drag-and-drop an assembly code file onto this .bat file to use the emulator.
+echo.
+pause
+
+:done