diff --git a/bugs/pwmAnalogOutput.png b/bugs/pwmAnalogOutput.png
new file mode 100644
index 0000000..aa26dbb
Binary files /dev/null and b/bugs/pwmAnalogOutput.png differ
diff --git a/src/hardwareRegisters.c b/src/hardwareRegisters.c
index b38e04a..81435a6 100644
--- a/src/hardwareRegisters.c
+++ b/src/hardwareRegisters.c
@@ -12,6 +12,7 @@
 #include "ads7846.h"
 #include "sdCard.h"
 #include "m68k/m68k.h"
+#include "audio/blip_buf.h"
 #include "debug/sandbox.h"