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Reply if you know what this does

Discussion in 'Engineering & Reverse Engineering' started by LOst, Jul 31, 2005.

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  1. LOst

    LOst

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    I want all of you that know what this does to reply. Do not say what it does. just reply. Do you know what this does or means:
    Code (Text):
    1. move.b #255,d0
    2. ext.w d0
    Answer yes or no. This is my test of seeing how many of you that know Motorola 68000 assembler by now. If it is a great amount, I may start this forum. If it is a small amount, I will wait a little bit longer so that more can catch the train when it leaves.
     
  2. LocalH

    LocalH

    roxoring your soxors Tech Member
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    wouldn't you like to know
    Guitar Hero II Deluxe
    I do, it means that you take #$FF and si...wait, you mean I'm not supposed to tell here? Ok, no problem.
     
  3. Kles

    Kles

    Member
    Yes.
     
  4. LOst

    LOst

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    I know you know LocalH. You have been a programmer longer than I have.
     
  5. LocalH

    LocalH

    roxoring your soxors Tech Member
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    wouldn't you like to know
    Guitar Hero II Deluxe
    I'm just playing around =P
     
  6. Weird Person

    Weird Person

    You lost two seconds reading this Member
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    Who knows?
    yes... I have to prove it? (I answer by PM if you want.)
     
  7. Ambil

    Ambil

    I want that heinous hedgehog hammered! Member
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    I think I know what this means, yet I'm not totally sure. But I can assemble it into machine code:

    Code (Text):
    1. 103C 00FF 4880
    :P

    I'm going to send LOst a PM to verify.
     
  8. LOst

    LOst

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    This is not a question to see if you know it. More a question to see if you are ready.
     
  9. Lostgame

    Lostgame

    producer/turnablist. homebrew dev. cosplayer. Oldbie
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    The O.I.C.
    Yeah, I know what that means... but I don't really get what you're asking though, LOst, could you be a little clearer, please?
     
  10. Aurochs

    Aurochs

    Единый, могучий Советский Союз! Tech Member
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    Whatever catches my fancy
    That can easily be done in a single instruction. :P

    EDIT: "Start this forum"? Whaddaya mean by that?
     
  11. Sonic 65

    Sonic 65

    Tech Member
    I know what that means. =P
     
  12. Tweaker

    Tweaker

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    Aha, trying to trick the infidels with clever syntax. =P

    I know what it does.
     
  13. LOst

    LOst

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    One instruction? I hope you don't mean moveq, because that will make a slight different result.
     
  14. Aurochs

    Aurochs

    Единый, могучий Советский Союз! Tech Member
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    Whatever catches my fancy
    Well, yes, but they're pretty much the same, unless you really must leave those upper 16 bits as they were.

    But that's not what I was talking about. :P
     
  15. Hivebrain

    Hivebrain

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    I know what it does.
     
  16. Lostgame

    Lostgame

    producer/turnablist. homebrew dev. cosplayer. Oldbie
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    The O.I.C.
    I dunno, I'm not "Shocked" by the certain people who understand this...

    Other than Kles, me, and Ambil (who, I'll admit, knows way more ASM than me), they're all techies, and I think knowing ASM well is a requirement to be a techie, so LOst, you knew how many people would know what it means, unless you meant the few regular members who visit this forum...
     
  17. ICEknight

    ICEknight

    Researcher Researcher
  18. Kampfer

    Kampfer

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    I will be honest and say I do not know.

    I could proabbly look around and find out, but off my head, I do not know.
     
  19. Syren

    Syren

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    Reintergration
    Vaguely. As in, I recognise it, but I've no idea what it would do.
     
  20. Brunni

    Brunni

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    Oldschool Sonic for GBA
    I know what it does, but I don't really know 68k assembly (these are simple instructions). I just did a small test program on my TI-89 and it began early to crash randomly, so I stopped :P
     
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