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-rw-r--r--rtl/src/alu.v4
1 files changed, 4 insertions, 0 deletions
diff --git a/rtl/src/alu.v b/rtl/src/alu.v
index 8a265ee..2e927ca 100644
--- a/rtl/src/alu.v
+++ b/rtl/src/alu.v
@@ -1,3 +1,7 @@
+// alu:
+// Computes result based on operands a, b and the provided operation.
+// The signal zero is high if result is zero.
+
module alu (
input [31:0] a,
input [31:0] b,