From 062c1aefb313548d71e47127988cb66da6ab588e Mon Sep 17 00:00:00 2001
From: Erick <ahmederick00@gmail.com>
Date: Tue, 8 Mar 2022 13:53:49 +0100
Subject: [PATCH] minor fixes on alu

---
 cpu/alu/alu.sv       |  1 +
 cpu/alu/lookahead.sv | 14 +++++++-------
 cpu/cpu.sv           |  1 +
 3 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/cpu/alu/alu.sv b/cpu/alu/alu.sv
index bcb9abf..08ec301 100644
--- a/cpu/alu/alu.sv
+++ b/cpu/alu/alu.sv
@@ -47,6 +47,7 @@ always @(*) begin
         alu_out = tmpOut;
     end
 
+    //TODO: improve this part using increment/decrement logic
     if (alu_out < 0)
         flag = 0;   // negative flag
     else if (alu_out = 0)
diff --git a/cpu/alu/lookahead.sv b/cpu/alu/lookahead.sv
index 617f131..8c141f2 100644
--- a/cpu/alu/lookahead.sv
+++ b/cpu/alu/lookahead.sv
@@ -4,14 +4,14 @@ package lookahead (
     input [15:0]b,
 );
 
-    res = and16(y, a, b);
+res = and16(y, a, b);
 
-    for (i=0; i<15 ; i=i+1)
-        if (res[i] = 0)
-            carry_bit[i] = 0;
-        else
-            carry_bit[i] = 1;
-        end
+for (i=0; i<15 ; i=i+1)
+    if (res[i] = 0)
+        carry_bit[i] = 0;
+    else
+        carry_bit[i] = 1;
     end
+end
 
 endpackage
\ No newline at end of file
diff --git a/cpu/cpu.sv b/cpu/cpu.sv
index e69de29..2b05f67 100644
--- a/cpu/cpu.sv
+++ b/cpu/cpu.sv
@@ -0,0 +1 @@
+import alu::*;
\ No newline at end of file