Minecraft Maps / Redstone Device

2-in-1 Adder/Subtractor with a sign bit

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vanyamil's Avatar vanyamil
Level 23 : Expert Geek
9
I've built this because I was tired of using just full adders in subtraction and having a bad result when it is supposed to be negative. The signs should explain everything.

FEATURES:

- Expandable : Just copy the modules, and you can easily have a 32-bit adder... or bigger...
- Supports negative numbers : if your inputs are -bit, the answer ranges from 2n+1 - 2 to -(2n -1). This means that in case of a 5-bit input, answers will range from 62 to -31.
- Easy to reproduce: Uses half adders and full adders + an easy subtraction carry system.
CreditEmCee
Progress100% complete
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1
11/25/2012 5:09 pm
Level 13 : Journeyman Engineer
WhiteLava
WhiteLava's Avatar
its not very compact.
1
06/18/2012 12:30 pm
Level 9 : Apprentice Engineer
GTRunner
GTRunner's Avatar
It's sexy and we know it
1
06/18/2012 10:47 am
Level 58 : Grandmaster Architect
Master Ows
Master Ows's Avatar
Nice!
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