diff --git a/ch4/timebase.sv b/ch4/timebase.sv
index 219e656..f46b8f6 100644
--- a/ch4/timebase.sv
+++ b/ch4/timebase.sv
@@ -3,3 +3,5 @@
 Aanpassing van lasse
 
 Aanpassing van Timo
+
+aanpassing Lasse 2
diff --git a/ch4/timebase.sv.bak b/ch4/timebase.sv.bak
new file mode 100644
index 0000000..219e656
--- /dev/null
+++ b/ch4/timebase.sv.bak
@@ -0,0 +1,5 @@
+`timescale 1ns/1ps
+
+Aanpassing van lasse
+
+Aanpassing van Timo
diff --git a/ch4/transcript b/ch4/transcript
new file mode 100644
index 0000000..2bbbb70
--- /dev/null
+++ b/ch4/transcript
@@ -0,0 +1,16 @@
+# Reading C:/questasim64_10.6g/tcl/vsim/pref.tcl
+# //  Questa Sim-64
+# //  Version 10.6g win64 Aug  3 2019
+# //
+# //  Copyright 1991-2019 Mentor Graphics Corporation
+# //  All Rights Reserved.
+# //
+# //  QuestaSim and its associated documentation contain trade
+# //  secrets and commercial or financial information that are the property of
+# //  Mentor Graphics Corporation and are privileged, confidential,
+# //  and exempt from disclosure under the Freedom of Information Act,
+# //  5 U.S.C. Section 552. Furthermore, this information
+# //  is prohibited from disclosure under the Trade Secrets Act,
+# //  18 U.S.C. Section 1905.
+# //
+# OpenFile {C:/Users/Stan Oremus/OneDrive/Documenten/TU Delft Lasse Oremus/DSB/github/ch4/timebase.sv}