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 How to play Prince of Persia 1 and 2 perfectly « View previous topic :: G M Y :: View next topic » 
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jalal
PostPosted: Wed Dec 07, 2005 11:14 am    Post subject: How to play Prince of Persia 1 and 2 perfectly Reply with quote

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Sound and freezing problems
The common problem in Prince of Persia 1 and 2 is the sound. The game won't run with the original sound under Windows NT (2000 and XP), unless you have an old DOS-compatible sound card (like SoundBlaster 16, SoundBlaster 16 Pro, etc.) configured in the setup.exe/install.exe of the game (version 1.3 and 1.4). However, using DosBox you can run the game under its original sound (Plus better graphics and performance).

1. Download DosBox version 0.65 (Latest version). http://dosbox.sourceforge.net/download.php?main=1
2. Install it, open it. You will get the DosBox shell (Z:/).
3. Type: (Be sure your game folder is located on C:\prince).

    mount c c:/
    then:
    c:
    then:
    cd prince
    then:
    prince

If you still cannot hear the original sound and music, try the following: In dosbox conf file (dosbox.conf), set oplmode=opl2 under the [sblaster] settings, then start the game with prince adlib command. prince.exe adlib.

DosBox will run on windowed-mode, but in order to play the game in full-screen modem, follow these steps: (You could also press ALT-Enter) (If those steps fail you could try on the previous DosBox's SDL engine (v 0.6)). Open dosbox.conf and search for :

fullscreen=false replace with fullscreen=true

fulldouble=false replace with fulldouble=true

fullfixed=false replace with fullfixed=true

fullresolution=****x**** replace with fullresolution=640x480

DOSShell

Another GUI launcher for DOSBox is DOSShell v1.4 by Loonies Software

Download it from here: http://www.superutils.com/loonies/releases/dosshell.exe (Official page).

Install DOSBox, install it and open it, then go to: Edit -> Preferences, under DOSBox folder, in Folder Path, point to: "C:\Program Files\DOSBox-0.72". Under Mounting Drive, in Drive Letter, choose C (or whatever your drive letter is). Now go to: Edit -> Add new entry and in Path to executable, browse prince.exe (PoP1 or PoP2 executable file), name it, put it or create a new group, choose a description and optionally select an icon and click on OK. That's all, to play double click on the icon. You can add as much applications (games/programs) as you want.

Screenshots: http://img152.imageshack.us/img152/6002/72443339de0.png | http://www.loonies.narod.ru/images/dosshell.png

D-Fend

You can can set-up and play DOS games quickly and easily under DosBox through D-Fend: (The following is a tutorial for POP2).

Download DosBox: http://dosbox.sourceforge.net/download.php?main=1.
Download D-Fend: http://members.home.nl/mabus/files/D-Fend-2.0.62.42.exe.

First install the former than the latter.

Extract the prince2.zip file contents into wherever you want. (e.g.: C:\prince2).

Run D-Fend --> click OK and select DosBox folder (Usually on C:\Program Files\DOSBox-0.65\) --> go to Profile --> Add with wizard --> Profile Name: (Prince of Persia 2 or whatever) --> Browse for PRINCE.EXE (Located in the folder where you have extracted the game) --> Next --> Next --> Auto Create --> Next (x6) --> Finish

To play, double click on the Profile name.

For cheats-mode:

Right click on the profile name --> Edit Profile --> under Parameters: type yippeeyahoo or makinit or makinit2.

For full screen mode:

Right-click on the Profile Name (i.e. Prince of Persia 2) then click on Edit Profile. Click on the General tab.

Now, tick each of:
Start fullscreen
Aspect Correction

Now, under Rendor method:
choose: overlay or ddraw

And, under Resolution:
choose: 640x480

NOTES:

1. If the screen is cut off or there is black space, adjust the monitor's horizontal position manually (through its buttons (or twiddling its knobs)). This DOES NOT affect your Windows' screen resolution (display).

2. If your feel that the screen is stretched up, un-check Aspect Correction.

3. Should you find the game running slowly, set the CPU Cycles (under the Environment tab) from 3000 to more than 5000.

4. Set Rendor method back to surface if you want to play the game in windowed-mode.

5. To switch to windowed-mode (back or to full screen) press ALT-ENTER (RETURN) while playing.

6. To quit the game, press: Ctrl-Q then type exit.

DOSBox GUI

Or you can simply use the GUI version of DOSBox.

Download: http://www.msu.edu/~yootaewo/20070410.rar

Start dosbox, select "sdl" from menu and select "prince.exe".

To have full screen, press: "Enter + Alt".

Others

Besides DosBox, you can also use VDMS Sound and Sound FX to emulate the original sound of the game (only).


Program Compatibility Wizard (XP)

Also you can setup your game (prince.exe) to run it under old Windows using Program Compatibility Wizard (XP). (This process doesn't always work correctly, but you may give it a try). To do so:

Press Start » All Programs » Accessories » Program Compatibility Wizard Then Select prince.exe. Or right click on prince.exe then Properties » Compatibility.

Windows 9x

Windows 9x (95, 98, 98SE and ME) is better than Windows NT, 2000 and XP for playing old DOS games.
Try to shut down in Dos Mode and run the game.
Or create a partition and install Dos and run the game from there (run the game from a floppy disk)
If you are running the game under Command Prompt, press ALT-Enter to enter the full screen mode.
You can delete the game's sound files and run it.
Or use a Sound Blaster 16 Card and install only DOS and the card driver (Sound Blaster 16 card works under Windows too)
Note: Be sure that the card driver is installed correctly in DOS or Windows and in the game setup choose the sound card device.

FAQ - Prince of Persia 1 and 2

1. Game Freezes on first or second or in the cave levels and gets very slowly sometimes then stops or keeps moving slowing and freezing...
To fix this problem, run the game under DosBox (go to the top of this page). This error is caused from the sound » you can delete all sound files and play the game in excellent condition but with no sound or sometimes keeps the files but play from the CPU sound not from your speakers.
Go to the game directory right click on the prince.exe choose properties, then compatibility then select to start that game in window 95 or 98/Me. Now click on setup or install (come with the game ) highlight Use higher Memory (if available) and in the sound setup use Standard PC Internal Speaker
Note: Don't forget to extract all game files to the same directory and don't test anything on a shortcut for the game.

2. Many people find that the game freezes up when trying to play in dosbox, that it sticks during the cutscenes. I know what the REAL cause of this. it is getting your IRQ wrong! If you have the wrong irq, after playing the first sound in the cutscene, the game will hang until paused and resumed, waiting for the irq to return. This is different form the usual symptom of stuttering sound and an instant freeze when you get wrong settings. If you specify the correct IRQ, then the game will play properly with sound. Tested with DOSBOX, which is what people should be using for running this program under wondoze if they've got the CPU power.

3. While playing PoP2 IR version, when I press the arrow left, it deducts me one life! If I press left arrow for long time I die!
This bug happens only if you are playing PoP2 IR version with cheats (makinit) and under DosBox.
A possible explanation: The inner DOS code of left arrow is 0x00 0x4B, and 0x4B is the code of Shift-K. It seems that the game interprets the 0x4B twice, so pressing the left arrow means pressing Shift-K too, which means losing a life in cheat mode. The same thing happens with Page Up and Shift-I (turn screen upside down), and Insert and Shift-R (show room number).
You solution is: either don't play with cheats, or download the version on my website: http://popuw.com/download2.html (1.0) (Works fine with or without cheats - cheat parameter is: yippeeyahoo)

4. I can't access the cheats-mode and am sure I've activated them (From Win or Dos).
This usually happens because you are using an NT system like XP. To fix that go to a text editor (Notepad), type:
prince.exe megahit
And save the file as a batch file, i.e: cheats.bat (File » Save » cheats.bat » Save) Double click the file to play immediately with cheats.
Note: Change megahit to megahit 5 to start on level 5.
Change megahit to improved (For version 1.3 or 1.4 of PoP1).
Change megahit to 4d_prin kirill! (For 4D Prince of Persia).
Change megahit to makinit2 or makinit or yippeeyahoo (For Prince of Persia 2).

5. I installed the game when I try to play, a DOS window pops up with the error message: "This machine needs 1306 more bytes of memory."
You need more base ram. Protected mode stuff like Windows programs or dos ones that use extenders (like dos4gw or cwsdpmi) it doesn't matter, but for old dos programs you need to free more of the first 640 kb of ram. Try booting in plain dos without mouse or cd-rom drivers. In the game setup enable "use the machine's extra memory".

6. To exit the game press Ctrl-Q

7. I can't move the prince:
Sometimes the game starts automatically with the Joystick mode: Simply, press Ctrl-K to switch to the Keyboard mode.

8. My Joystick is plugged, how to play the game with it?
Simply press CTRL-J in the game to switch the the Joystick mode. Or start the game with the parameter "j": prince.exe j.

9. I can't save the game:
In PoP1: You can save the game by entering level 3 by clicking CTRL G and re-load (resume) the saved game by CTRL L
In PoP2: Click Alt-O to enter the Options Menu then save the game from their and resume the game from their too or click Alt-G for save and Alt-L to re-load (resume) the saved game.
Please note that if you are playing the original game (not the cracked one), after you load your saved game file, you will get the copy-protection screen. Drink the correct potion (PoP1), or choose the right symbol (PoP2).

10. To play Prince of Persia under Linux and other OS: You must use DosBox emulator.

11. To take a single screenshot: If running the game under DosBox, press CTRL-F5 (Format will be 320x200/PNG). Screenshots taken are stored in C:\Program Files\DOSBox-0.65\capture.

http://popuw.com/problems.html
_________________
Those days are all gone now but one thing's still true -
When I look and I find, I still love you,
I still love you.


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Last edited by jalal on Tue Oct 16, 2007 7:14 am; edited 5 times in total
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DarkRaven
PostPosted: Fri Sep 22, 2006 6:29 am    Post subject: Reply with quote

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Age: 13 Capricorn
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Aaa,guyz,I can't play pop2.When I enter the game,a black screen appear and then I must pres ctrl+alt+del.I have a good sysetm,but why I have this error?
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nerfbasketball
PostPosted: Sat Apr 28, 2007 6:13 pm    Post subject: Reply with quote

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cool, thanks for the help
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razer121
PostPosted: Sat May 05, 2007 8:50 pm    Post subject: Reply with quote

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great now i kno why..
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Guinea
PostPosted: Fri Oct 12, 2007 4:37 pm    Post subject: Reply with quote

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When I play Prince 2 on DOSBox on Vista, the game crashes when I am at the part where I get "my father's sword", at the end of the cutscene. The screen goes black and I'm thrown back to the DOS screen.

Can that be solved with point 2 of the Prince 1/2 FAQ in this topic, or is this another problem?
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jalal
PostPosted: Fri Oct 12, 2007 4:49 pm    Post subject: Reply with quote

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What is your Pop 2 version?
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Guinea
PostPosted: Fri Oct 12, 2007 5:09 pm    Post subject: Reply with quote

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jalal wrote:
What is your Pop 2 version?

The one that is available on Abandonia.com, but they have most probably an old version.
I don't know how to find out the version ^_^"
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jalal
PostPosted: Fri Oct 12, 2007 5:10 pm    Post subject: Reply with quote

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Age: 20 Leo
Joined: 04 Dec 2005
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Posts: 2543
Location: Lebanon

Guinea wrote:
jalal wrote:
What is your Pop 2 version?

The one that is available on Abandonia.com, but they have most probably an old version.
I don't know how to find out the version ^_^"


Press ALT-V during the game.
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Those days are all gone now but one thing's still true -
When I look and I find, I still love you,
I still love you.


Test your knowledge about PoP2 here! | My blog

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Guinea
PostPosted: Fri Oct 12, 2007 5:16 pm    Post subject: Reply with quote

Citizen
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Age: 18 Pisces
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jalal wrote:
Guinea wrote:
jalal wrote:
What is your Pop 2 version?

The one that is available on Abandonia.com, but they have most probably an old version.
I don't know how to find out the version ^_^"


Press ALT-V during the game.


It says "Prince of Persia 2". I guess that's the IR version then...
I'm about to get V 1.1 right now.

EDIT: I got V1.1 now and it works better than the other one I had. The one I had previously also displayed some strange symbols in DOSBox before starting up, so I guess the problem is solved.
Thanks.
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