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Thread: PC-Engine

  1. #11
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    Thanks aprentice XD



    Here are some screenshots that aren't totally glitched out.

    I think a lot is still broken (with the CPU emulation I suppose...), and a few important things are unimplemented (well, the graphics are pretty crude at this point)

    For some reason emulating it has been more annoying than I thought it'd be. Oh well, I should have some more momentum now.

  2. #12
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    Looking good, I don't see too many graphic flaws (compared to DS emulation one year ago ).

    What is the problem with CPU emulation? Unimplemented instructions? Speed issues?

    Do you emulate the sound? How? MIDI?

    FPS plz.
    Stop reading signatures and get a life


  3. #13
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    Quote Originally Posted by xtra krazzy View Post
    Looking good, I don't see too many graphic flaws (compared to DS emulation one year ago ).

    What is the problem with CPU emulation? Unimplemented instructions? Speed issues?

    Do you emulate the sound? How? MIDI?

    FPS plz.
    There's no sound yet, I'm not going to use MIDI, that'd be very inaccurate. There aren't unimplemented instructions except the clock speed ones that don't really matter (as far as I know).. If I knew what was wrong I'd fix it. Those are things to figure out when doing any emulator -_-

    I'm not going to focus on optimizing it that much for PC. But the graphics are probably really slow right now because it's not properly caching tiles (but it still runs fine at full speed because it's on a modern computer that's more than fast enough >_>).. I did put some thought into putting down a framework that'll be fast enough while being easy to make accurate, though.

    I do plan on optimizing the code for ARM later.

  4. #14
    Programmer | Moderator Danny's Avatar
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    Quote Originally Posted by Exophase View Post
    There's no sound yet, I'm not going to use MIDI, that'd be very inaccurate. There aren't unimplemented instructions except the clock speed ones that don't really matter (as far as I know).. If I knew what was wrong I'd fix it. Those are things to figure out when doing any emulator -_-

    I'm not going to focus on optimizing it that much for PC. But the graphics are probably really slow right now because it's not properly caching tiles (but it still runs fine at full speed because it's on a modern computer that's more than fast enough >_>).. I did put some thought into putting down a framework that'll be fast enough while being easy to make accurate, though.

    I do plan on optimizing the code for ARM later.
    How long has this taken you out of interest?

    You are like a emulator coding speed machine
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  5. #15
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    Quote Originally Posted by zion View Post
    How long has this taken you out of interest?

    You are like a emulator coding speed machine
    Few weeks, but I haven't really been working on it very much -_-

  6. #16
    Programmer | Moderator Danny's Avatar
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    Quote Originally Posted by Exophase View Post
    Few weeks, but I haven't really been working on it very much -_-
    Screens are looking great Nice work

    And with you I guess that means like a hour a day

    I still remember how fast you made that chip8 emulator Thats not to say the pc engine is as easy as chip8 mind :p You still did one amazingly fast
    Last edited by Danny; October 23rd, 2007 at 03:29.
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  7. #17
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    F****** nice, I'll give it a go after I try Neogeo Pocket

  8. #18
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    Quote Originally Posted by synch View Post
    F****** nice, I'll give it a go after I try Neogeo Pocket
    We should do a DS emulator together one day ^^ And by that I mean share ideas and review code.

  9. #19
    Programmer | Moderator Danny's Avatar
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    Quote Originally Posted by Exophase View Post
    We should do a DS emulator together one day ^^ And by that I mean share ideas and review code.
    Now that I would love to see
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  10. #20
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    Quote Originally Posted by zion View Post
    Now that I would love to see
    now thats a huge step, im thinking of doing a genesis emu, i've kinda always wanted to do one

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