4-bit ALU with decoder

Build image: 
In-game name (NO VISITORS! Must be LEARNER rank or higher!): 
davidcraft02
Builder name(s) and current ranks: 
davidcraft02: Learner
Creation location: 
-383 34 85
Machine Features: 

It can do adding, subtracting, and, nand, or, nor, xor, xnor, decoding

How To Use: 

Subtract: Invert A(to subtract A from B) or Invert B(to subtract B from A) + Cin; AND: Bitwise + Inver A + Invert B + Flood-Carry; NAND: Bitwise + Invert A + Invert B; OR: Bitwise; NOR: Bitwise + Flood Carry; XOR: Invert A + Flood-Carry; NXOR: Flood-Carry.

Request status: 
Not approved

Comments

Ismartronman's "little sister" griefed it... I force him to rebuild it! So David check it again.

By Ecconia

Griefer: ismartroman's "Little sister"
Punishment: rebuild it! Or short ban.

David - plz check your build again.
Staff: wait till David leaves a comment here!

By Ecconia