diff --git a/.gitignore b/.gitignore
index 6bdde64..4df6bed 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 *.bin
 *.elf
 .*.d
+spiffs.img
 
 # Compiled Object files
 *.slo
diff --git a/README.md b/README.md
index 2b55e38..75de86c 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,9 @@
 Apple-1 Emulator
 ================
 - Emulates an Apple-1 with 32k of RAM
-- see [napple1](https://github.com/nobuh/napple1)
-- see also [krusader](http://school.anhb.uwa.edu.au/personalpages/kwessen/apple1/Krusader.htm)
+- See [napple1](https://github.com/nobuh/napple1),
+[krusader](http://school.anhb.uwa.edu.au/personalpages/kwessen/apple1/Krusader.htm)
+and more [software](http://www.willegal.net/appleii/apple1-software.htm).
 
 Keyboard
 --------
diff --git a/docs/basicman.pdf b/docs/basicman.pdf
new file mode 100644
index 0000000..77fcc32
Binary files /dev/null and b/docs/basicman.pdf differ