From: Matthijs Kooijman <m.kooijman@student.utwente.nl>
Date: Thu, 19 Feb 2009 10:24:01 +0000 (+0100)
Subject: Add stateful alu (with empty state).
X-Git-Url: https://git.stderr.nl/gitweb?p=matthijs%2Fmaster-project%2Fc%CE%BBash.git;a=commitdiff_plain;h=d704c6a23e75f563d4816a0e01219fa7a3be266c

Add stateful alu (with empty state).
---

diff --git a/Alu.hs b/Alu.hs
index 78c5afc..f26bb83 100644
--- a/Alu.hs
+++ b/Alu.hs
@@ -51,6 +51,10 @@ alu :: AluOp -> Bit -> Bit -> Bit
 alu High a b = a `hwand` b
 alu Low a b = a `hwor` b
 
+salu :: AluOp -> Bit -> Bit -> () -> ((), Bit)
+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, ())