Archive: 2 posts

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I'm sure this has been done before, but I thought I would contribute my two cents. I recently got interested in the idea of making a computer in little big planet. I originally made logic gates using thrusters, because I didn't realize there was a "directional" option for sensors/triggers that I could use with pistons. I then moved on to pistons once I discovered this, and made a full 4-bit adding machine including two 4-bit memory towers and a tower for adding them and placing the result back into the first tower. Because of the sheer ammount of space required to make a simple 4-bit adding machine, I'm now experimenting with working in 8-bit memory, where all 8 bits are stored in a single location rather than split up among 1-bit memory. The previous size of a single bit of memory was slightly larger than the built-in scoreboard, and my 8-bit memory (which is not yet complete) is slightly smaller than the scoreboard. I suspect the final size will be around 2-3 scoreboards. The hardest part working with 8 bits at once is that I'm having to figure out how to deal with sending 8 bits of information in sequence. I've already got the *sending* part of that working, its just the *receiving* that i suspect will double or triple the current size. The way I was able to get the 8 bits very small is that I used a hollow octagon with 8 pistons holding sensor targets out towards a center wheel, which spins (only once at a time) causing the sensor on it (limited to about 45 degrees) to also spin, seeing the different sensor targets (or not seeing them, if they are retracted.)

2009-06-19 00:17:00 Author: Jakeb89 Posts: 15

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This sounds pretty cool you are right that it has been done before but it was a thermo killer if you can get it to work better then its a real developement.

2009-06-19 09:13:00 Author: robotiod Posts: 2662

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