From ca0c557e2c61e2fc6cc97482a17f68fd2ee61392 Mon Sep 17 00:00:00 2001
From: Julian Blake Kongslie
Date: Sun, 5 Dec 2021 15:16:41 -0800
Subject: Implement DF and IF, and Dep and Exam switches.

---
 hdl/top.sv | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'hdl/top.sv')

diff --git a/hdl/top.sv b/hdl/top.sv
index 67e3437..2dd52ab 100644
--- a/hdl/top.sv
+++ b/hdl/top.sv
@@ -73,8 +73,13 @@ assign switch_dep = switch[3][3];
 assign switch_exam = switch[3][4];
 assign switch_cont = switch[3][5];
 assign switch_stop = switch[3][6];
+`ifdef HISTORIC_SWITCH_BEHAVIOUR
+assign switch_sing_step = !switch[3][7];
+assign switch_sing_inst = !switch[3][8];
+`else
 assign switch_sing_step = switch[3][7];
 assign switch_sing_inst = switch[3][8];
+`endif
 
 bit [11:0] led_pc;
 bit [11:0] led_memaddr;
-- 
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