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Digicomp II

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avatar Picards_Flute
Level 12 : Journeyman Engineer
2
This is a redstone port of the Digicomp II (https://www.youtube.com/watch?v=_tZdE-3nR3w)
Accoring to wikipedia it was "a toy computer invented by John Thomas Godfrey, that used marbles rolling down a ramp to perform basic calculations."

I have replaced the rolling balls with 1 tick redstone pulses, and the switches with T flip-flops. It operates exactly like the original.
It can do basic arithmetic, aswell as some intresting calculations, e.g. calcuating the tragectory of a ballistic missile
(page 60 of manual: http://cdn2.evilmadscience.com/KitInstrux/DCII-manual.pdf )

(I was not able to make a video explaining this, as footage recorded on my laptop is very jittery)

An example of a calculation: what is 5*6? (see screenshots for clarity)
1. enter 5 into multiplier register (yellow area) in binary (101) by breaking and placing the light blue wool
2. enter 6 into the memory register (blue) in binary (110) by flicking the levers
3. make shure all the wool in the oragne area is in the left position and all wool in the green area is in the right position, and that the multiply switch is set to yes (near the start button)
4. click the button and the calculation starts
5. After the calculation finishes, the result should be *spoilers* 11110 (30 in decimal)
Progress100% complete
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1
10/01/2015 5:40 am
Level 5 : Apprentice Miner
Riccardo2000
Or you could have just made a really simple calculator using full adders, but y'know, wheres the fun in that?
1
10/01/2015 12:18 pm
Level 33 : Artisan Artist
ikebear
Well correct me if I'm wrong, this machine can also do multiplication, not even also, as far as I can see in the original machine video, the example was multiplication.
And I know that if you're making any minecraft calculator, multiplication needs different components altogether, instead of the addition and subtraction machines.

So with this I would say this is a pretty nice way of doing calculations, whether or not there is a more efficient alternative. 

Do correct me though, if I have made an error
1
12/13/2015 6:23 am
Level 12 : Journeyman Engineer
Picards_Flute
You are right, the point of this is not efficiency. I designed the circuit so it would mimic a ball rolling down a slope like in the original with a redstone pulse
1
09/30/2015 5:04 pm
Level 62 : High Grandmaster Senpai
GrayRemnant
Cool!  :D
1
09/30/2015 1:56 pm
Level 6 : Apprentice Mage
HeyItsPaul
oh mah gawd
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