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    posted a message on Working CPU with RAM, branching, etc... (save added)
    Quote from boomshroom1

    So you are still working on it, GREAT! :biggrin.gif: I can't wait for the new additions.
    [EDIT]I'm want to write a basic program, although I'm not sure which levers corispond to which bits. You never clearly state that, is it from bottom to top, that's what it looks like from the videos. I'll give it a try

    Sorry, I never thought to mention that. :tongue.gif: yeah, bottom to top. If it has trouble loading the code in (it sometimes gets stuck,I still don't know why), the best thing to do is just reload the save.
    Posted in: Redstone Discussion and Mechanisms
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    posted a message on Working CPU with RAM, branching, etc... (save added)
    Quote from MrGarrett1345

    Wow it's great to know you're still around, now a few questions:

    What did you base this design off of, or did you just think of it yourself? Im currently building one that seems to be similar in some ways based off the design described in the book called Code: The Hidden Language of Hardware and Software

    Next, what kind of new features will you be bringing to the next one?

    Good luck, and I hope you're newer one is as successful as this one was!


    It was based off an example CPU from one of my university units. I'm not sure where the lecturer got the design from, but it was part of the course.

    The main thing with the next one will be making everything more efficient, so that I can cut down the clock time as much as possible so that it's a bit more usable. I've also been adding instructions and I'm thinking of adding a stack and easy ways of adding other devices (like a screen, external storage, a random number generator etc.). I built a screen for the old one, but while working on connecting it I found that I was unhappy with some of what I'd done.
    Posted in: Redstone Discussion and Mechanisms
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    posted a message on Working CPU with RAM, branching, etc... (save added)
    Quote from jcm2606

    i would do that,if my mcedit was working properly,so ill wait till u upload one

    I just realised that I hadn't uploaded this for you. Sorry. :sad.gif: I've done it now on my downloads page. I used the same world as the one I originally uploaded, the latest version of the CPU isn't done yet.

    Quote from alexmondo12345

    couldn't you give it more memory just by copying the memory you all ready have and putting it back down somewhere else

    Not quite. I can copy all the memory over, but I have to rewire all the memory to account for the expanded addresses and also change the timing on the clock as adding more memory increases the distance that the signals travel. The new memory I've been working on will be much faster though.


    Quote from kab00oom

    He could also necro post... Oh wait, you have that covered.


    Yeah, I kind of let this thread die, didn't I? :S
    Posted in: Redstone Discussion and Mechanisms
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    posted a message on Working CPU with RAM, branching, etc... (save added)
    Quote from jcm2606

    um,is there a chance i can have a .schematic?i want to put this into a flatgrass map so i can look at it/connect other things to it


    I've been making changes to the CPU on my computer, so I'll need to finish working on it to create a working .schematic. Grabbing a .schematic from the save I uploaded should be easy enough though.
    Posted in: Redstone Discussion and Mechanisms
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    posted a message on Working CPU with RAM, branching, etc... (save added)
    Sorry, I keep forgetting to check back here. I'll try to stop being so terrible at replying. :S

    Quote from filburli

    Hmm, just a thought about your clock (I'm assuming that your clock is an astable multivibrator first of all) -- what if you add a bistable multivibrator (a flip-flop) activated by a switch or sthg? That would make code debugging so much easier, and you would be able to see the computer compute one step at a time.


    That's a great idea. I hadn't thought about it, because I usually just run over to the clock and manually run it one pulse at a time when I'm testing stuff, but that's not something most people would want to do.

    Quote from filburli

    In addition to that, you could then add buttons all over your computer, each hooked up to the clock flip-flop, so you could cycle through the computer, while, say, you're at the screen -- this would let you see for yourself (and let others see too) exactly how it manages bits....


    +1 good idea here too. I'll have to remember to do these things when I get around to more CPU work.


    Quote from talgon

    But how do you do these things?

    Can we get a demonstration video or something?


    Um... hopefully. I've been struggling for time since I finished the CPU, so I usually don't feel like sitting down and putting together tutorials. Even finding time to play has bee problematic. :S I intend to, I just don't know when...

    Quote from Somgosomgo

    HOLY SH*T IT'S SO AWESOME!!!!!!!


    Thanks!
    Posted in: Redstone Discussion and Mechanisms
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    posted a message on Bridge, raised and lowered by pistons.
    Quote from Xen0lith

    nice bro this is my version :biggrin.gif:


    I just checked yours out, nice tutorial. :smile.gif: I haven't gotten around to putting lava in mine yet.
    Posted in: Videos
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    posted a message on Bridge, raised and lowered by pistons.

    This is a video of a drawbridge in Minecraft. It is controlled by redstone and pistons and it is controlled by a lever. It isn't strictly a drawbridge as it lowers into the water and raises out again, but it would make a good bridge for a castle and a true simple drawbridge isn't possible in Minecraft, so I'm calling it a drawbridge.
    Save file: http://www.mediafire.com/?enmv5v22tahov
    Posted in: Videos
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    posted a message on Redstone machine that detects and transports blocks using pistons!
    Quote from maccat

    Nice idea. Maybe you should rerecord it without lagg and in an open area where you can easily see it.


    Good idea, thanks. I'll hopefully record it on a better computer and do some more examples on it.
    Posted in: Videos
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    posted a message on Working CPU with RAM, branching, etc... (save added)
    Quote from justvb2

    Could you have reduced the size of this cpu had you used the redstone repeater block?


    Probably, it would have made some things easier, especially the clock.
    Posted in: Redstone Discussion and Mechanisms
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    posted a message on Working CPU with RAM, branching, etc... (save added)
    Quote from F12Dubstep

    *Insert praise, without knowing what I'm praising*
    *Insert Minecraft in Minecraft joke*
    Now that that's out of my system....
    How many bits of ROM could you make?

    I'm not sure, but I think I could maybe get over a kilobyte of ROM+RAM combined when I upgrade the memory.
    Posted in: Redstone Discussion and Mechanisms
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    posted a message on Redstone machine that detects and transports blocks using pistons!
    Quote from DrRedstoner

    Wow.
    That is cool.


    Thanks. :smile.gif: I just added the save file.
    Posted in: Videos
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    posted a message on Redstone machine that detects and transports blocks using pistons!

    This machine detects when you place a block in it, and automatically picks it up and puts it in a storage area behind it. It uses a repeaters to check whether it has a block in it, and then sends a pulse to a chain of pistons to move the block. First a sticky piston grabs the block and lifts it off the place it was sitting. A double piston setup (a normal piston stuck onto a sticky piston) then pushes the block onto a conveyor, and the conveyor takes it to where a row of pistons push it into place.

    It uses this conveyor, as well as some other stuff:


    EDIT: Save is here
    Posted in: Videos
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    posted a message on Write a program to run on my minecraft computer!(save is up)
    Quote from ichigo

    Nope, there is a limit to how far you can work with redstone, after a point, minecraft will not update the blocks.(This has nothing to do with th 15 block limit for current transmission)So with these physical limitations, Building a computer in minecraft to play a virtual minecraft is imposasible because you would need to go thousands of times over the size limit. Also there is no way to make an rgb display.


    Actually, it is possible to make an rgb display, it's just a lot of trouble to wire up. You can use doors with different colored cloth behind them for the different colored pixels.
    Posted in: Survival Mode
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    posted a message on Working CPU with RAM, branching, etc... (save added)
    Quote from Woodani

    are you still supporting this?


    Yep, but I haven't made much progress on the CPU recently. I've built a screen and GPU, but haven't finished hooking them all up yet.
    Posted in: Redstone Discussion and Mechanisms
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    posted a message on Working screen for my in-minecraft CPU. Currently 32x24 px
    Quote from Leopard_Geckos

    I can possibly see a Pong-like game being made. Could your computer handle that? Well, probably not, one reason simply being the bus speed. One thing I don't like about redstone wiring... :sad.gif:


    The sad thing is that I've never taken a computer class (but ask me next year!), never watched an instructional video or read a book about computers, but I still understand almost all the technical jargon in this thread.


    Nope, pong wouldn't work due to speed. :sad.gif: I think pong is possible in Minecraft though, if you made a machine specifically for it.
    Posted in: Survival Mode
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