echo off

if "%1" == "" goto jrdir
if not exist \%1\nul goto baddir
cd \%1
goto start1

rem    standard jr directory
:jrdir
if not exist \jr\nul goto baddir
cd \jr

:start1
if not exist tools\nul goto badtl
if not exist dp1.exe goto badexe
if not exist dp2.exe goto badexe
if not exist sel1.exe goto badexe
dp1 df=dp.ddm "pg=sel1 pf=tools\jr10.par as=1"
if "%1" == "" cls
goto end

:badexe
echo      -----------------------
echo      -  Program not FOUND  -
goto end

:badtl
echo      -------------------------------
echo      -  TOOLS Directory not FOUND  -
goto end

:baddir
echo      -------------------------
echo      -  Directory not FOUND  -

:end
if "%1" == "" cd\

 
~~~~~~