README: create ~/.vice directory before using it

diff --git a/README.md b/README.md
index 4987776675acba1da2cb41a1bae67de5f3453f7c..b36025911d870b91e2a591339a3cac1db568914a 100644 (file)
--- a/README.md
+++ b/README.md
@@ -11,6 +11,7 @@ apt install vice
 Then, install the (not-included) ROMs:
 ```
 wget http://www.zimmers.net/anonftp/pub/cbm/crossplatform/emulators/VICE/vice-3.1.tar.gz
+mkdir -p ~/.vice
 tar xf vice-3.1.tar.gz -C ~/.vice/ vice-3.1/data --strip-components=2
 ```