diff --git a/config.toml b/config.toml
new file mode 100644
index 0000000..bb6d480
--- /dev/null
+++ b/config.toml
@@ -0,0 +1,14 @@
+[[cards]]
+type = "rom"
+image = "rom.bin"
+
+[[cards]]
+type = "term"
+
+[[cards]]
+type = "ram"
+size = 65536
+
+[[cards]]
+type = "storage"
+image = "os.dsk"
diff --git a/config.yaml b/config.yaml
deleted file mode 100644
index feb809a..0000000
--- a/config.yaml
+++ /dev/null
@@ -1,8 +0,0 @@
----
-cards:
-  - type: rom
-    image: rom.bin
-  - type: ram
-    size: 65536
-  - type: storage
-    disk: os.dsk