--- 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!