From 285697d175b82e6f5d8812ed7bd8b7f0368901b9 Mon Sep 17 00:00:00 2001
From: David Banks <dave@hoglet.com>
Date: Fri, 21 Dec 2018 17:25:29 +0000
Subject: [PATCH] 6502: remove 40ns skew between phi1/phi2 outputs, as this
 erodes address hold time time from phi1

Change-Id: Idd2b1418a18f6bb5cf2b553b6a069c42a0e64b97
---
 src/AtomCpuMon.vhd | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/AtomCpuMon.vhd b/src/AtomCpuMon.vhd
index 301be49..6ab1e3b 100644
--- a/src/AtomCpuMon.vhd
+++ b/src/AtomCpuMon.vhd
@@ -198,8 +198,8 @@ begin
         end if;
     end process;
 
-    Phi1       <= not (Phi0_b or Phi0_d);
-    Phi2       <= Phi0_b and Phi0_d;
+    Phi1       <= not Phi0_b;
+    Phi2       <= Phi0_b;
     cpu_clk    <= not Phi0_d;
     busmon_clk <= Phi0_d;