1 files changed, 15 insertions, 0 deletions
diff --git a/starling/system.scm b/starling/system.scm
new file mode 100644
index 0000000..f498aa4
--- /dev/null
+++ b/starling/system.scm
@@ -0,0 +1,15 @@
+(define-module (starling system)
+  #:use-module (oop goops)
+  #:use-module (sdl2)
+  #:use-module (sdl2 video)
+  #:export (elapsed-time
+            current-window
+            current-window-size))
+
+(define (elapsed-time)
+  (sdl-ticks))
+
+(define current-window (make-parameter #f))
+
+(define (current-window-size)
+  (window-size (current-window)))