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Thread: Logisim Circuit Libraries

  1. #1
    Wire Sofaking mjmr89 is on a distinguished road mjmr89's Avatar
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    Default Logisim Circuit Libraries

    I was thinking it might be cool to set up a library of circuits for Logisim here because Logisim is missing some things right off the bat so it might be good to share. They don't need to be perfect, I know mine aren't, but they should at least work for the most part.

    I'll start it off -
    I've got several things in here. First is a seven segment decoder as well as a seven segment display type thing with hex inputs because Logisim lacks this feature. Takes up a bit of space, but it works.

    Next up is a small 8bit alu with the codes inside, does 12 operations (math and logic), IIRC.

    I've got an 8 bit register that I made because the default ones dont have a load input. It has two outputs of the same thing so you can put a probe on it to display the value like on the default registers.

    Two 4 bit counters are included, one has a parallel load and the other resets after 9. I also have some really crappy hand made RAM... No particular reason, really.

    I have a couple of shift registers with parallel load, shift left and shift right in 4-32 bit.

    Last but not least is the second most complex thing I've made (second to my half working crappy cpu), an "alarm" clock. Cant really sound an alarm, but it does set off a light. It has hrs/minute set buttons, you can toggle view of the alarm and clock, and you can only change them when toggled to the right one. Switch to the twelve hour chip if you like, but there's no am/pm support right now.

    EDIT: just made something cool but so far pretty useless. Its a 2 color (well black/the color of the led) 16x16 screen. Well, it can have as many as 16 pixels horizontally, you could technically expand it as much as you want vertically.
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    Last edited by mjmr89; 04-09-2009 at 08:51 PM.

  2. #2
    Wirererer Koolguy007 is on a distinguished road Koolguy007's Avatar
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    Default Re: Logisim Circuit Libraries

    The fact you can load libraries in IC chips is the useful thing in logisim. Great idea on posting libraries here. Do you know if there any tutorials on making JAR libraries? If this takes off this might be stickied.

  3. #3
    Wire Sofaking mjmr89 is on a distinguished road mjmr89's Avatar
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    Default Re: Logisim Circuit Libraries

    I've tried looking for tutorials for JAR libraries, or at least already made libraries (both .circ and .jar) online and have had no luck, unfortunately.

    EDIT: Actually I just found one library with some stuff that may be useful.
    http://cs.nyu.edu/courses/fall06/V22...001/asgn7.html

  4. #4
    Wire Sofaking mjmr89 is on a distinguished road mjmr89's Avatar
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    Default Re: Logisim Circuit Libraries

    Found some stuff on youtube, not libraries, but a tutorial type vid and a video on conways game of life made in Logisim.

    Tutorial for those wanting to get start (pretty basic)
    [ame="http://www.youtube.com/watch?v=xcusC8ns0kM"]YouTube - A quick screencast introductory how-to for Logisim[/ame]

    Game of Life
    [ame="http://www.youtube.com/watch?v=1sIL-tnMcBc"]YouTube - Conway's Game of Life, made in Logisim (HD)[/ame]

    Enjoy.

  5. #5
    Wire Noob frozenfury12 is on a distinguished road frozenfury12's Avatar
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    Default Re: Logisim Circuit Libraries

    I cant seem to download the mjscircuits.rar

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