A basic 8-bit ALU.

===Pinout===

A - Input A

B - Input B

S - Opcode

O - Output

GND, POW - Ground and Power

NC - No connection

===Opcodes===

0000 - AND

0001 - OR

0010 - XOR

0011 - NOT

0100 - A++

0101 - A--

0110 - A+B

0111 - A-B

1000 - Left Bitshift

1001 - Right Arithmetic Bitshift

1010 - Right Logical Bitshift

1011 - Left Bitwise Rotation

1100 - Right Bitwise Rotation