diff --git a/filemap.txt b/filemap.txt
new file mode 100644
index 0000000..f790253
--- /dev/null
+++ b/filemap.txt
@@ -0,0 +1,7 @@
+...
+swdrv.c         80037eac - 800388b3
+...
+evtmgr.c        800d87e4 - 800da0af
+evtmgr_cmd.c    800da0b0 - 800df9a7
+evt_ac.c        800df9a8 - ?
+...