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Thread: Someone can fix this Prince of Persia 2 (Proto) Bug?

  1. #1
    WCPO Agent LinkueiBR's Avatar
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    Default Someone can fix this Prince of Persia 2 (Proto) Bug? (+Tony H+ did it!)

    EDIT: Tony Hedstrom fixed the horse bug and i released a patch for this fix:



    This is a very good unreleased port of the DOS Game "Prince of Persia: The Shadow and the Flame". Instead of the SNES released port aka THE WORST 16 BIT GARBAGE EVER RELEASED, this version have a almost identical Playability, same timing, accurate graphics and FEELS like the original game.

    The 3 only problems find on this prototype:
    >Unfished Music that was the same sound of the PC Beeper, was converted to the Genesis FM (OH GOD!)
    Strangely, the music plays on the Left Channel and SFX on the Right Channel.
    >Some Cutscenes is missing like the ending
    >And the worst problem that makes IMPOSSIBLE to finish the game without reset your system and put the next level Password:



    In theory, you would have to jump from the last floor and fall on the horse and cut to the next level like this video:



    My question: Someone could fix this bug?

    I developed these passwords that made you begin all the listed levels with 11 bottles:

    LEVEL 9 (THE HORSE BUG LEVEL)
    WAXWX 11 bottle

    LEVEL 10 (THE NEXT LEVEL)
    TQHXX 11 bottle

    LEVEL 14 (THE LAST LEVEL)
    VLLXT 11 bottle
    Last edited by LinkueiBR; 11-28-2017 at 09:49 AM.
    VISUAL SHOCK!
    SPEED SHOCK!
    SOUND SHOCK!
    NOW IS TIME TO THE 68000 HEART ON FIRE!


    Shadow of the Beast II - Enhanced Colors:
    http://www.romhacking.net/hacks/2275/

    Sunset Riders - Enhanced Colors:
    http://www.romhacking.net/hacks/2287/

    Turrican - Fixed:
    http://www.romhacking.net/hacks/2535/

  2. #2
    Road Rasher EPSYLON EAGLE's Avatar
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    Good thread, it would be a beautiful addition to the Genesis library, having this fully functional game.

  3. #3
    WCPO Agent LinkueiBR's Avatar
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    Quote Originally Posted by EPSYLON EAGLE View Post
    Good thread, it would be a beautiful addition to the Genesis library, having this fully functional game.
    Yes with no doubt!
    If finished and released, this game would be the best Prince of Persia port for the 16 bit consoles along with the SNES POP 1 remake made by Arsys Software.
    I've seen several repros sale unfortunately it seems no one covenanted this problem

    You find on the GoodGen 3.21 a Russian Translated ROM (Prince of Persia 2 - The Shadow and The Flame (Beta) [T+Rus]) that was fixed the stereo problem of the prototype that made the Music played on the Left channel and the SFX on the Right channel, music sounds less strident too, but still with this level 9 bug.
    VISUAL SHOCK!
    SPEED SHOCK!
    SOUND SHOCK!
    NOW IS TIME TO THE 68000 HEART ON FIRE!


    Shadow of the Beast II - Enhanced Colors:
    http://www.romhacking.net/hacks/2275/

    Sunset Riders - Enhanced Colors:
    http://www.romhacking.net/hacks/2287/

    Turrican - Fixed:
    http://www.romhacking.net/hacks/2535/

  4. #4
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    I second this, I really like the look of the game

  5. #5
    WCPO Agent LinkueiBR's Avatar
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    RISE FROM YOUR GRAVE BUMP!

    No one?
    VISUAL SHOCK!
    SPEED SHOCK!
    SOUND SHOCK!
    NOW IS TIME TO THE 68000 HEART ON FIRE!


    Shadow of the Beast II - Enhanced Colors:
    http://www.romhacking.net/hacks/2275/

    Sunset Riders - Enhanced Colors:
    http://www.romhacking.net/hacks/2287/

    Turrican - Fixed:
    http://www.romhacking.net/hacks/2535/

  6. #6
    Master of Shinobi Tony H's Avatar
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    Here's a Game Genie code that keeps you from falling when you walk off a ledge ("walk on air"). Just turn this code on at the screen before the horse and walk across the upper platforms. You'll walk right over the horse. I tried turning the code off while I was above the horse, but just fell to the ground. You can keep walking past the horse and walk into the next screen. The screen is black. If you keep walking, you'll hit a wall on the other side and fall down into the pit from the screen before.

    I'm guessing that that screen (and maybe others) weren't finished. Maybe someone can play around in that screen and see if they can find a way out to the next screen or the next level.

    Prince of Persia 2 (Genesis/MD)

    RENT-A6YW
    Don't fall when you walk off ledges ("walk on air"). EDIT: Oops, I posted the wrong code here at first. This one should work.


    EDIT: In case you're like me and suck at this game, here's a Game Genie code that should give you infinite energy. I used it successfully against those floating heads, although not tested much besides that:

    RGET-A6X4
    Last edited by Tony H; 11-25-2017 at 08:53 PM.

  7. #7
    WCPO Agent LinkueiBR's Avatar
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    Quote Originally Posted by Tony H View Post
    Here's a Game Genie code that keeps you from falling when you walk off a ledge ("walk on air"). Just turn this code on at the screen before the horse and walk across the upper platforms. You'll walk right over the horse. I tried turning the code off while I was above the horse, but just fell to the ground. You can keep walking past the horse and walk into the next screen. The screen is black. If you keep walking, you'll hit a wall on the other side and fall down into the pit from the screen before.

    I'm guessing that that screen (and maybe others) weren't finished. Maybe someone can play around in that screen and see if they can find a way out to the next screen or the next level.

    Prince of Persia 2 (Genesis)

    RENT-A6YW
    Don't fall when you walk off ledges ("walk on air"). EDIT: Oops, I posted the wrong code here at first. This one should work.


    EDIT: In case you're like me and suck at this game, here's a Game Genie code that should give you infinite energy. I used it successfully against those floating heads, although not tested much besides that:

    RGET-A6X4
    As usual NICE JOB Tony H!!!
    I will try your code now!!
    EDIT: Unfortunately don't work even with the colision of the Prince with the f#ckin horse

    We just need to discover the command that makes the transition to the next level an insert him after the last jump to simply make the transition of level complete. I ever wanted to see if it had any cutscene between this level and the next...

    OFF: Interesting, i noticied that the horse was inserted 1 screen before the original pc version.
    VISUAL SHOCK!
    SPEED SHOCK!
    SOUND SHOCK!
    NOW IS TIME TO THE 68000 HEART ON FIRE!


    Shadow of the Beast II - Enhanced Colors:
    http://www.romhacking.net/hacks/2275/

    Sunset Riders - Enhanced Colors:
    http://www.romhacking.net/hacks/2287/

    Turrican - Fixed:
    http://www.romhacking.net/hacks/2535/

  8. #8
    Master of Shinobi Tony H's Avatar
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    LinkueiBR, I tried dropping onto the horse from every possible location and I just dropped to the floor. Do you know for sure that you are supposed to get on the horse to go to the next level?

  9. #9
    WCPO Agent LinkueiBR's Avatar
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    Quote Originally Posted by Tony H View Post
    LinkueiBR, I tried dropping onto the horse from every possible location and I just dropped to the floor. Do you know for sure that you are supposed to get on the horse to go to the next level?
    Yeah i tried too. Looks like they don't inserted the command to fade to the next level when the Prince is on the Horse cordinate...
    You can make a code to jump levels?

    EDIT: You could make a code to open the door of the 3rd screen? Like in the PC version, its impossible to open this door, but probably it will move you to the next level.
    Last edited by LinkueiBR; 11-25-2017 at 04:40 PM.
    VISUAL SHOCK!
    SPEED SHOCK!
    SOUND SHOCK!
    NOW IS TIME TO THE 68000 HEART ON FIRE!


    Shadow of the Beast II - Enhanced Colors:
    http://www.romhacking.net/hacks/2275/

    Sunset Riders - Enhanced Colors:
    http://www.romhacking.net/hacks/2287/

    Turrican - Fixed:
    http://www.romhacking.net/hacks/2535/

  10. #10
    Master of Shinobi Tony H's Avatar
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    Wow, I never watched that PC version video all the way through, so I never saw him get on the horse. I will check to see if there is a condition that has to be met before the horse will work. As for the door at the third screen, if it didn't do anything in the PC version, it may not do anything in the Genesis version, but I'll check.

    Also, did you explore that black screen after the horse? Maybe there's an exit there.

  11. #11
    WCPO Agent LinkueiBR's Avatar
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    Quote Originally Posted by Tony H View Post
    Wow, I never watched that PC version video all the way through, so I never saw him get on the horse. I will check to see if there is a condition that has to be met before the horse will work. As for the door at the third screen, if it didn't do anything in the PC version, it may not do anything in the Genesis version, but I'll check.

    Also, did you explore that black screen after the horse? Maybe there's an exit there.
    Thanks a lot Tony!
    Yep i tested the black screen but it's a empty screen without any floor or hidden door...
    VISUAL SHOCK!
    SPEED SHOCK!
    SOUND SHOCK!
    NOW IS TIME TO THE 68000 HEART ON FIRE!


    Shadow of the Beast II - Enhanced Colors:
    http://www.romhacking.net/hacks/2275/

    Sunset Riders - Enhanced Colors:
    http://www.romhacking.net/hacks/2287/

    Turrican - Fixed:
    http://www.romhacking.net/hacks/2535/

  12. #12
    Master of Shinobi Tony H's Avatar
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    Just to make sure we're talking about the same place, is it the one that's at 22 seconds in the PC version video?

  13. #13
    WCPO Agent LinkueiBR's Avatar
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    Quote Originally Posted by Tony H View Post
    Just to make sure we're talking about the same place, is it the one that's at 22 seconds in the PC version video?
    yes, the same door
    VISUAL SHOCK!
    SPEED SHOCK!
    SOUND SHOCK!
    NOW IS TIME TO THE 68000 HEART ON FIRE!


    Shadow of the Beast II - Enhanced Colors:
    http://www.romhacking.net/hacks/2275/

    Sunset Riders - Enhanced Colors:
    http://www.romhacking.net/hacks/2287/

    Turrican - Fixed:
    http://www.romhacking.net/hacks/2535/

  14. #14
    Master of Shinobi Tony H's Avatar
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    You were right, the door leads to the next level. Once you enter the door, he disappears and a short time later they show him landing on the horse and riding off. Then another cut scene, and then a password.

    Really glad we figured this out. Here's the Game Genie code to allow you to exit thru that door. Let me know if you have any problems with it. Also, you should probably test the code with a fresh start at the beginning of the level and see if the code works the first time you pass the door, or if you have to go to the very end of the level before it works. My guess is that it will work at any time. I will check to see if anything needs to be tripped to enable the door. Anyways, the code...

    Prince of Persia 2 (Genesis/MD)

    REMT-C6ZW
    Fixes the bug in level 9 where there is no way to exit to the next level. Just enter the door that's at the 3rd screen from the start. You will jump on a horse and ride off to the next level.

  15. #15
    WCPO Agent LinkueiBR's Avatar
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    Quote Originally Posted by Tony H View Post
    You were right, the door leads to the next level. Once you enter the door, he disappears and a short time later they show him landing on the horse and riding off. Then another cut scene, and then a password.

    Really glad we figured this out. Here's the Game Genie code to allow you to exit thru that door. Let me know if you have any problems with it. Also, you should probably test the code with a fresh start at the beginning of the level and see if the code works the first time you pass the door, or if you have to go to the very end of the level before it works. My guess is that it will work at any time. I will check to see if anything needs to be tripped to enable the door. Anyways, the code...

    Prince of Persia 2 (Genesis/MD)

    REMT-C6ZW
    Fixes the bug in level 9 where there is no way to exit to the next level. Just enter the door that's at the 3rd screen from the start. You will jump on a horse and ride off to the next level.
    YES!!!
    No words to thank you Tony!

    I tested here in the Genesis plus gx and works great!!

    Very interesting that, even unfinished, they made the jump cutscene (planned to be switched when you make the jump of the last platform) and even exist a simplified cutscene of the Prince running to the palace.

    THANK YOU!!!

    EDIT: I recorded a video that shows that now you can finally finish the game without reset the game and put a password.
    Last edited by LinkueiBR; 11-25-2017 at 11:03 PM.
    VISUAL SHOCK!
    SPEED SHOCK!
    SOUND SHOCK!
    NOW IS TIME TO THE 68000 HEART ON FIRE!


    Shadow of the Beast II - Enhanced Colors:
    http://www.romhacking.net/hacks/2275/

    Sunset Riders - Enhanced Colors:
    http://www.romhacking.net/hacks/2287/

    Turrican - Fixed:
    http://www.romhacking.net/hacks/2535/

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