if "%2" == "C:\emulators\other_emus\mame102" goto mame102
if "%3" == "C:\emulators\other_emus\mame141" goto mame141

mame.exe %1
exit

:mame102
c:
cd \emulators\mame102
mame.exe %1
exit

:mame141
c:
cd \emulators\mame141
mame.exe %1
exit