Ok,I'll help you!
_____________________________________________________________Command: Prameters:Change Directory $exedir
$csg_exe $path$file
$bsp_exe $path$file
$vis_exe $path$file
$light_exe $path$file
Copy File $path$file.bsp $bspdir$file.bsp
Copy File $path$file.pts $bspdir$file.pts
$game_exe +map $file -game gearbox -dev -console
Everything is chacked and make sure you read it carefully!
_____________________________________________________________Game Configurations:Game Executable Directory: Your Half-Life1 folder
Game Directory: Your gearbox folder
_____________________________________________________________Build Programs:Game Executable: Your Half-Life1 EXE
Place Compiled Maps In This Directory: /Half-Life/Valve/Maps