From e13c73e76e2c94ee680f49e4ff34de97b72ecfa8 Mon Sep 17 00:00:00 2001
From: Julian Blake Kongslie
Date: Tue, 23 Mar 2021 22:23:45 -0700
Subject: Clean before building.

---
 build.bat | 2 ++
 clean.bat | 1 +
 clean.tcl | 3 +++
 init.bat  | 4 ++++
 4 files changed, 10 insertions(+)
 create mode 100644 clean.bat
 create mode 100644 clean.tcl

diff --git a/build.bat b/build.bat
index 15044da..0a42672 100644
--- a/build.bat
+++ b/build.bat
@@ -1,5 +1,7 @@
 if not exist toycpu.qpf (
     call init.bat
+) else (
+    call clean.bat
 )
 
 quartus_sh.exe --flow compile toycpu
diff --git a/clean.bat b/clean.bat
new file mode 100644
index 0000000..6870b7a
--- /dev/null
+++ b/clean.bat
@@ -0,0 +1 @@
+quartus_sh -t clean.tcl
diff --git a/clean.tcl b/clean.tcl
new file mode 100644
index 0000000..eeadcb7
--- /dev/null
+++ b/clean.tcl
@@ -0,0 +1,3 @@
+project_open toycpu -revision toycpu
+
+project_clean -revision toycpu
diff --git a/init.bat b/init.bat
index dc1d804..526f8ea 100644
--- a/init.bat
+++ b/init.bat
@@ -1 +1,5 @@
+if exist toycpu.qpf (
+    call clean.bat
+)
+
 quartus_sh.exe -t init.tcl
-- 
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