anchor.diff:  ECHO:
   ECHO     [C] Chocolate Strife           STRIFE1.WAD
   ECHO:
  -ECHO     [H] PrBoom+ Hardware           STRIFE1.WAD
  -ECHO     [S] PrBoom+ Software           STRIFE1.WAD
  -ECHO:
   ECHO     [2] Zandronum v2               STRIFE1.WAD
   ECHO     [3] Zandronum v3               STRIFE1.WAD
   ECHO:
  
positive.code: IF "%$%" == "" GOTO:EOF
  
  IF /I "%$%" == "C" CALL :launch_engine    "choco-strife-setup"   "STRIFE1.WAD"
  IF /I "%$%" == "H" CALL :launch_engine    "prboom"               "STRIFE1.WAD"
  IF /I "%$%" == "S" CALL :launch_engine_sw "prboom"               "STRIFE1.WAD"
  IF /I "%$%" == "2" CALL :launch_engine    "zandronum-2"          "STRIFE1.WAD"
  IF /I "%$%" == "3" CALL :launch_engine    "zandronum-3"          "STRIFE1.WAD"
  IF /I "%$%" == "G" CALL :menu_gzdoom                             "STRIFE1.WAD"
  
negative.code: IF "%$%" == "" GOTO:EOF
  
  IF /I "%$%" == "C" CALL :launch_engine    "choco-heretic-setup"  "HERETIC.WAD"
  IF /I "%$%" == "2" CALL :launch_engine    "zandronum-2"          "HERETIC.WAD"
  IF /I "%$%" == "3" CALL :launch_engine    "zandronum-3"          "HERETIC.WAD"
  IF /I "%$%" == "G" CALL :menu_gzdoom                             "HERETIC.WAD"
  