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

  1. #46
    WCPO Agent LinkueiBR's Avatar
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    Quote Originally Posted by Pyron View Post
    post the grafics updates for each stage if you can, will be nice see its look like dos or mac version
    A quick preview of the LEVEL 2 that have very accurate graphics to the PC version but the color choices are totally off:

    ORIGINAL:


    MEGA DRIVE-/-COLOR HACK


    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. #47
    Master of Shinobi Tony H's Avatar
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    Wow LinkueiBR, your color hack is amazing!

  3. #48
    WCPO Agent LinkueiBR's Avatar
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    Quote Originally Posted by Tony H View Post
    Wow LinkueiBR, your color hack is amazing!
    Thanks a lot Tony!
    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. #49
    Hedgehog-in-Training Hedgehog-in-Training
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    Quote Originally Posted by Tony H View Post
    I made the code by using a special emulator that lets me record all of the programming that's going on in the background into a log file...
    Hi Tony H, do you mind to share the name of the Emulator?

  5. #50
    Master of Shinobi Tony H's Avatar
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    Quote Originally Posted by mo68K View Post
    Hi Tony H, do you mind to share the name of the Emulator?
    It's called Gens Tracer. I wrote a "How to" guide for it. Will post links when I get home from work.

    Edit: The guide is on my website (The Code Hut).

    EDIT2: Gens Tracer: https://gamehacking.org/downloads/Gens2.12aR2Tracer.zip

    Gens Tracer guide: http://codehut.gshi.org/GensTracerGuide.txt

    Note that McAfee antivirus (and maybe a few others) doesn't like Gens Tracer, so you may have to add an exception.
    Last edited by Tony H; 12-01-2017 at 08:37 PM.

  6. #51
    Hedgehog-in-Training Hedgehog-in-Training
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    Quote Originally Posted by Tony H View Post
    It's called Gens Tracer. I wrote a "How to" guide for it. Will post links when I get home from work.

    Edit: The guide is on my website (The Code Hut).

    EDIT2: Gens Tracer: https://gamehacking.org/downloads/Gens2.12aR2Tracer.zip

    Gens Tracer guide: http://codehut.gshi.org/GensTracerGuide.txt

    Note that McAfee antivirus (and maybe a few others) doesn't like Gens Tracer, so you may have to add an exception.
    I took a look over your website, lots of documents and game genie codes, very nice.

    Thank you.

  7. #52
    WCPO Agent LinkueiBR's Avatar
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    OFF: I will post this very interesting Prince of Persia 2 "Making of" that to anyone like me that simply loves the 2 classics Prince of Persia games is a most required read.
    This document was send by Jordan Mechner to the Developers and is really impressive how accurate the game was!

    Last edited by LinkueiBR; 12-03-2017 at 01:39 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/

  8. #53
    Master of Shinobi Tony H's Avatar
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    A great read. Have never seen this part of the game making process. You can tell that the guy is passionate about the game.

  9. #54
    State Laced Master of Shinobi ComradeOj's Avatar
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    I have been talking with LinkueiBR about fixing up the music in this game.

    The original sounds pretty bad, and could really use improvement. Some better instruments could really help.

    I have been messing with the game trying to learn how the music works. I have made some progress, but there are still some problems. Mainly, the game enforces its own total operator levels, which makes it hard to drop in replacement instruments.
    Ideally, brand new instruments would be substituted for the ones in the game, but for now I have been tweaking the existing ones to make them less harsh.

    In the hacked version, I added some stereo separation and changed a few instrument values.

    Here are two clips:
    Original audio:
    https://drive.google.com/open?id=1Gg...FBu5VRxMuc7hyL

    Hacked audio:
    https://drive.google.com/open?id=1HU...9VFEjU_ttF1ONy

    IPS patch:
    https://drive.google.com/file/d/1v3g...ew?usp=sharing

    The altered version still isn't great, but I think it's at least better. Most notably the melody instruments are overpowering and the drums lack any punch. I'll keep playing with it and see if I can improve it some more.
    Modded consoles:
    Master System (v7040) with s-video & direct AV out
    Model 1 with 10mhz overclock & halt switches
    Model 1 with 10mhz 68010
    Model 2 VA2.3 with unfiltered Mega Amp, & s-video
    Model 3 VA1 with compatibility fixes & s-video
    32X with s-video
    Visit my web site at www.mode5.net
    Or my collection of homebrew Genesis games, programs, and music on SEGA-16!

  10. #55
    Master of Shinobi Pyron's Avatar
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    Amazing guys, both the color and audio hack, plz keep going

    Visit my youtube channel Pyron's Lair
    Take here all my hacks made with love for all of us here
    Want to help me? Here is my Patreon!

  11. #56
    WCPO Agent LinkueiBR's Avatar
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    Quote Originally Posted by ComradeOj View Post
    I have been talking with LinkueiBR about fixing up the music in this game.

    The original sounds pretty bad, and could really use improvement. Some better instruments could really help.

    I have been messing with the game trying to learn how the music works. I have made some progress, but there are still some problems. Mainly, the game enforces its own total operator levels, which makes it hard to drop in replacement instruments.
    Ideally, brand new instruments would be substituted for the ones in the game, but for now I have been tweaking the existing ones to make them less harsh.

    In the hacked version, I added some stereo separation and changed a few instrument values.

    Here are two clips:
    Original audio:
    https://drive.google.com/open?id=1Gg...FBu5VRxMuc7hyL

    Hacked audio:
    https://drive.google.com/open?id=1HU...9VFEjU_ttF1ONy

    IPS patch:
    https://drive.google.com/file/d/1v3g...ew?usp=sharing

    The altered version still isn't great, but I think it's at least better. Most notably the melody instruments are overpowering and the drums lack any punch. I'll keep playing with it and see if I can improve it some more.
    MUCH BETTER ComradeOj!
    I understand perfectly how it was alocated the FM values but i really don't have an idea how i can find others instruments in the ROM...
    EDIT: I discovered and its easy as it seams

    Here's how ComradeOj hacked the FM instruments:
    Quote Originally Posted by ComradeOj:
    2 melody instruments offsets from LEVEL 1: $8aa5a and $8ab5a

    load order:
    c1o1 detune/mult (same byte)
    c1o3 detune/mult
    c1o2 detune/mult
    c1o4 detune/mult

    c1o1 total level
    c1o3 total level
    c1o2 total level
    c1o4 total level

    c1o1 keyscale/attack rate (D4=14att 3 ks) KS1= 4X KS2=8X KS3=CX. add att to total
    c1o3 keyscale/attack rate
    c1o2 keyscale/attack rate
    c1o4 keyscale/attack rate

    c1o1 decay
    c1o3 decay
    c1o2 decay
    c1o4 decay

    c1o1 sustain rate
    c1o3 sustain rate
    c1o2 sustain rate
    c1o4 sustain rate

    c1o1 sustain level/release (same byte)
    c1o3 sustain level/release
    c1o2 sustain level/release
    c1o4 sustain level/release

    c1 algorithm/feedback

    REPEAT FOR ALL CHANNELS order: 1,2,3,4,5,6
    Quote Originally Posted by Pyron View Post
    Amazing guys, both the color and audio hack, plz keep going
    Thank You Pyron!
    Last edited by LinkueiBR; 12-03-2017 at 11:26 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/

  12. #57
    Master of Shinobi Tony H's Avatar
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    All of this is good stuff!!
    Last edited by Tony H; 12-04-2017 at 01:26 AM.

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