From: Matthijs Kooijman <matthijs@stdin.nl>
Date: Thu, 5 Feb 2009 08:20:14 +0000 (+0100)
Subject: Make the arguments of the alu function curried.
X-Git-Url: https://git.stderr.nl/gitweb?p=matthijs%2Fmaster-project%2Fc%CE%BBash.git;a=commitdiff_plain;h=731f4046bba741d654acf0c4d1ab3bbe985ceeb7

Make the arguments of the alu function curried.
---

diff --git a/Alu.hs b/Alu.hs
index b888fc9..f444abc 100644
--- a/Alu.hs
+++ b/Alu.hs
@@ -45,9 +45,9 @@ register_bank (addr, High, d) s = -- Write
 
 type AluOp = Bit
 
-alu :: (AluOp, Bit, Bit) -> Bit
-alu (High, a, b) = a `hwand` b
-alu (Low, a, b) = a `hwor` b
+alu :: AluOp -> Bit -> Bit -> Bit
+alu High a b = a `hwand` b
+alu Low a b = a `hwor` b
 
 type ExecState = (RegisterBankState, Bit, Bit)
 exec :: (RegAddr, Bit, AluOp) -> ExecState -> (ExecState, ())
@@ -58,7 +58,7 @@ exec (addr, Low, op) s =
   where
     (reg_s, t, z) = s
     (reg_s', t') = register_bank (addr, Low, DontCare) reg_s
-    z' = alu (op, t', t)
+    z' = alu op t' t
     s' = (reg_s', t', z')
 
 -- Write