diff --git a/demo/sprite_compiler/README b/demo/sprite_compiler/README
new file mode 100644
index 0000000..7d0d364
--- /dev/null
+++ b/demo/sprite_compiler/README
@@ -0,0 +1,5 @@
+This code is designed for the ATasm assembler, in MAC/65 format.
+
+To run the Makefile, you will need atrcopy and pyatasm installed, i.e.:
+
+    pip install atrcopy pyatasm
diff --git a/demo/transposed_fonts/README b/demo/transposed_fonts/README
new file mode 100644
index 0000000..7d0d364
--- /dev/null
+++ b/demo/transposed_fonts/README
@@ -0,0 +1,5 @@
+This code is designed for the ATasm assembler, in MAC/65 format.
+
+To run the Makefile, you will need atrcopy and pyatasm installed, i.e.:
+
+    pip install atrcopy pyatasm