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Getting DOSBox to run a game directly from a CD involves additional commands to access the CD and also save games into a folder on the hard drive since you cannot save to the CD itself.

The best way to arrange this is through a batch file - you only have to work it out once so don't have to remember what you did last time. Batch file commands are easily altered and they can all be stored in the DOSBox folder as a guide for other games needing similar or different parameters.

The following command-line was saved as Lot5.bat in the DOSBox-0.72 folder. It uses the '-c' switch to input a series of commands for DOSBox to run LABYRINTH OF TIME from its start-file 'lab.bat' on the game CD in drive E:\ and save games to D:\Games\LoT5 (created previously on the hard drive).

dosbox.exe -c "mount D E:\ -t cdrom" -c "mount c d:\games\lot5" -c "c:" -c "d:" -c "cycles=2000" -c "d:\lab.bat" -fullscreen -exit

Entering D:\DOSBox-0.72\Lot5.bat in the 'Run ...' box ran the game in Windows7 (64-bit) and game progress could be saved and restored from within the game itself. Suitably altered command-lines should operate other DOS-based CD games and further details of DOSBox commands are in DOSBox documentation.

I also found that the slowdown command -c "cycles=2000" did not work if placed after the -c "d:\lab.bat" command which started the game.

[The Fifth Horseman]

I also found that the slowdown command -c "cycles=2000" did not work if placed after the -c "d:\lab.bat" command which started the game.

No, it wouldn't - the program would be started (and have to end) before the following lines were executed.

[ninjagaijin]

Originally Posted by The Fifth Horseman

No, it wouldn't - the program would be started (and have to end) before the following lines were executed.

I'm stuck with this, I have a game that runs with sound if I play from the CD directory, but won't play the CD music if I play from the install directory.. which I need to do to save games.

[hunvagy]

You do realize that the DOSBox config has an autoexec section exactly for this purpose, right?

[RRS]

...and that you can keep separate configs (those autoexec files) for specific games (like ones which require seriously nerfing your CPU etc.)