ALUΒΆ
The ALU has been programmed as a combinational unit, so it can be embedded inside the EXEC/ALU pipeline stage.
The ALU control signal has the following correspondance with ALU functions (not complete yet):
ALU control |
ALU function |
---|---|
00000 |
ADD |
00010 |
SUB |
11100 |
AND |
11000 |
OR |
10000 |
XOR |