set dosbox to ((path to me) as string) & "Contents:Resources:DOSBox.app"
set dbconfig to ((path to me) as string) & "Contents:Resources:dosbox.conf"
set gamedir to ((path to me) as string) & "Contents:Resources:MDK"
set hfsconf to POSIX path of dbconfig
set hfsgamedir to POSIX path of gamedir
do shell script "sed '225s/.*/mount C: " & hfsgamedir & "'/g " & hfsconf & ">" & hfsconf & "2"
do shell script "rm " & hfsconf
do shell script "mv " & hfsconf & "2 " & hfsconf
run application dosbox