From: Matthijs Kooijman <m.kooijman@student.utwente.nl>
Date: Thu, 19 Feb 2009 15:14:52 +0000 (+0100)
Subject: Let the exec function output something.
X-Git-Url: https://git.stderr.nl/gitweb?p=matthijs%2Fmaster-project%2Fc%CE%BBash.git;a=commitdiff_plain;h=acb620510e3623e8dfd979a8b732babd19086a9b

Let the exec function output something.
---

diff --git a/Alu.hs b/Alu.hs
index 3880245..ca2dbe9 100644
--- a/Alu.hs
+++ b/Alu.hs
@@ -61,11 +61,11 @@ salu High a b s = (s, a `hwand` b)
 salu Low a b s = (s, a `hwor` b)
 
 type ExecState = (RegisterBankState, Bit, Bit)
-exec :: (RegAddr, Bit, AluOp) -> ExecState -> (ExecState, ())
+exec :: (RegAddr, Bit, AluOp) -> ExecState -> (ExecState, (Bit))
 
 -- Read & Exec
 exec (addr, Low, op) s =
-  (s', ())
+  (s', z')
   where
     (reg_s, t, z) = s
     (reg_s', t') = register_bank (addr, Low, dontcare) reg_s
@@ -74,7 +74,7 @@ exec (addr, Low, op) s =
 
 -- Write
 exec (addr, High, op) s =
-  (s', ())
+  (s', dontcare)
   where
     (reg_s, t, z) = s
     (reg_s', _) = register_bank (addr, High, z) reg_s