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  1. #1
    AHD
    Join Date
    Mar 2010
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    My Nes emu need help !!

    Hello everyone,

    if my post in the wrong section, sorry 'cause i can't find a section for Nes.
    I'm the developer of My Nes, Nes emlator and this is the project link:
    http://sourceforge.net/projects/mynes/
    I need help with the emulator, i reached a point that i can't fix any more.
    The problem is when i run a game like Jungle book which scrolls vertical and horizontal with bottom hud, the hud displayed garbage, although the mapper 4 is working 100%.
    I read a documents but, it won't get fixed.

    the emulator writing in c#, open source and help is welcomed at the project page.

    thanks.



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  2. #2
    Emulator Developer Azimer's Avatar
    Join Date
    Nov 2001
    Location
    USA
    Posts
    864
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    Two things I would check is the sprite 0 hit detection or scanline IRQ. If both are okay it's likely a timing issues with your scanlines. This is said based on my personal experiences 10+ years ago when I last attempted a NES emulator. Good luck.
    -Azimer

    "I am not a teacher: only a fellow traveler of whom you asked the way.
    I pointed ahead -- ahead of myself as well as of you." (George Bernard Shaw)

  3. #3
    AHD
    Join Date
    Mar 2010
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    I know, I know, the sprit0 hit is messy, IRQs are not in the right places , the $2000,$2005 and $2006 registers are wrong , and that's why i'm asking for help

    can anybody help improving codes ?

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