EverDrive 64

Discussion in 'Everdrive 64' started by KRIKzz, Apr 16, 2011.

  1. Jeppex83

    Jeppex83 Rapidly Rising Member

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    So what is difference of "Boot Loader" and "Boot Emulator"?
    It is said that Cart "Boot Loader" works only with 6102/7101 chips.
    I don't understand.
    Sorry I'm dumb...
     
  2. MottZilla

    MottZilla Champion of the Forum

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    The Boot Loader he means is what loads the EverDrive cartridge. The Boot Emulator is something that emulates what the 61xx chips do so when EverDrive loads a game it will work. My previous statement explains the implications of this. It sounds like the only games you won't be able to play are Banjo Tooie (6105 required), games that use FlashRAM saving which don't have a hacked version to use SRAM, and any games that have region incompatibility (which cannot be helped).
     
  3. KRIKzz

    KRIKzz Well Known Member

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    boot ebulator it is part of OS code which perform game startup, bootloader it is cart bios program which perform os startup.
    so if you put physical 6105 on the cart, then os just will not startup
     
  4. link83

    link83 Enthusiastic Member

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    Ok thanks - what is the new 'active serial port' 10 pin header used for?

    Thats a shame. Any chance you could add 6105/7105 support? Would be nice for some to be able to play Jet Force Gemini (Unpatched) and Banjo Tooie.

    Thats because the video encoder chip is still set to output NTSC or PAL, so for a PAL N64 you get:
    - PAL 50Hz (When playing PAL games)
    - PAL 60Hz (When playing NTSC games)
    Both of these are valid formats for most European TV's.

    However from an NTSC N64 you get:
    - NTSC 60Hz (When playing NTSC games)
    - NTSC 50Hz (When playing PAL games)
    NTSC 50Hz is not a standard format at all, so in this case you will want to patch the PAL games to run in 60Hz, or use an RGB modded NTSC N64 to avoid the NTSC color encoding on the Composite/S-Video outputs.

    Having said that I cant imagine anyone will actually want to play PAL games on an NTSC N64! There were only five PAL exclusive N64 games, and all of them have 60Hz hacked versions available - see the bottom of my post here for details:-
    http://www.assemblergames.com/forums/showthread.php?p=498158#post498158

    Ah, I was wondering why you added support for 128kbyte/1Mbit SRAM :nod:

    Is there any chance you can add support for 768kbit SRAM for Dezaemon 3D (J)?

    Also, were you able to test if Lylat Wars (E) works?
     
    Last edited: Jun 3, 2011
  5. KRIKzz

    KRIKzz Well Known Member

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    alctive serial used for firmware update. JT port could be used only for temporary firmware upload, so after power off cart will back to old firmware. byte blasher have a both AS and JT modes

    may be i will add 6105/7105 bootloader

    128k sram implemented. i will try Dezaemon 3D and Lylat Wars. what i should test in Lylat Wars?
     
  6. takeshi385

    takeshi385 Mojarra Frita Bandit

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    i'd like to see a gba emulator that can run on the everdrive 64 , i think it would be fun to play mother 3 on the n64. also would it be hard to make a gba emulator for n64?
     
  7. KRIKzz

    KRIKzz Well Known Member

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    very hard. i not build emulators for n64, i just implement file associate by extensions with exist emulators. for example i can put emu.nes in ot "ED64/emu.nes" and all *.nes files will be work via thosee emulator whick stored in ED64/ folder. for nes emulation a offer to use neon, i have a bit modified version where skiped rom loading sections for old backup unuits
     
    Last edited: Jun 3, 2011
  8. link83

    link83 Enthusiastic Member

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    Ah, so thats why it needs to be a USB Byteblaster, not parallel.

    A 6105/7105 bootloader would be great :nod: I realise not everyone will want to solder in a 6105/7105 CIC, but its still a good feature to have for people who absolutely have to play Banjo Tooie (Although they could of course just buy the original cart :p)

    Lylat Wars is the only game to use the 7102 CIC so will not load if the boot emulator does not support it. Although it was commonly thought that all CIC's have matching PAL and NTSC versions, apparently the 6101 and 7102 CIC are not 'equivalents':-
    Other flash cart boot emulators do not support the 7102 CIC, so Lylat Wars does not boot. You might also want to test Star Fox 64 just to be sure the 6101 CIC works as well.
     
    Last edited: Jun 3, 2011
  9. KRIKzz

    KRIKzz Well Known Member

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    i tried. Lylat Wars and Star Fox 64 works just fine! :)
     
  10. link83

    link83 Enthusiastic Member

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    Great :thumbsup:
     
  11. KRIKzz

    KRIKzz Well Known Member

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    looks like Dezaemon 3D use not a sram for save. emulator make a same file as ED64. i can see that game touch a 32 kbyte of data space and data inside of file not looks like correct
     
  12. takeshi385

    takeshi385 Mojarra Frita Bandit

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    btw will patched game that are the file .bak work with the everdrive 64 , also does anyone have or know where to get a n64 region patching software ?
     
  13. KRIKzz

    KRIKzz Well Known Member

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    i don't know what is the .bak games. region patching software not needed because cart able to pass region security. how many times need to repeat this...
     
  14. stefan.iro

    stefan.iro Spirited Member

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    That´s what I am looking for, too! ^o^
     
  15. link83

    link83 Enthusiastic Member

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    Hmm, I wonder if anyone here has an original Dezaemon 3D cartridge and can open it up and take a pic of the PCB to confirm what chip it actually uses for saving? :confused:

    Yes, it was your post here a few months ago that got me interested ;-) Before your post I didnt even know there were any N64 games that used a non-standard save type.
     
    Last edited: Jun 3, 2011
  16. takeshi385

    takeshi385 Mojarra Frita Bandit

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    for instance 40 wink.z64.bak , i patched 40 winks to fix something. second doe 40 winks work?
     
  17. link83

    link83 Enthusiastic Member

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    .bak is short for backup - its not the patched version of the game, its the original file saved as a backup.
     
    Last edited: Jun 3, 2011
  18. takeshi385

    takeshi385 Mojarra Frita Bandit

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    oh .

    well i feel like an incredible moron!!!!
     
  19. Jeppex83

    Jeppex83 Rapidly Rising Member

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    By the way, do someone know which Flash Ram games are cracked to working with other save types? Is paper mario and zelda majoras mask working with other save types?
     
  20. MottZilla

    MottZilla Champion of the Forum

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    To play it full speed, that would be impossible. To "play" it at a horrifyingly slow framerate, probably possible but no one would want it.

    Majora's Mask I'm fairly sure has a SRAM hack. I could not find one for Paper Mario yet, but it may exist.
     
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