0473355d05a2

--- a/README.markdown	Wed Jan 02 17:31:28 2019 -0500
+++ b/README.markdown	Sat Jan 05 19:37:14 2019 -0500
@@ -15,3 +15,13 @@
 prompt with "You are in Emergency Mode".  Turns out the line I added to
 `/etc/fstab` broke things when the external drive isn't plugged in.  Need to
 figure out how to fix that.
+
+## 2019-01-04
+
+Did a good chunk of work on Fern.  Finally got all the official opcodes written
+out after rewriting the addressing mode stuff three or four times.
+
+## 2019-01-05
+
+More work on Fern.  Got all of `nestest.nes` passing after lots of run, diff,
+fix cycles.  On to pictures and sound!