very little progress

src/components/screen.h

@@ -0,0 +1,17 @@
+#include "../neonucleus.h"
+
+typedef struct nn_screen {
+    nn_screenChar *buffer;
+    nn_guard *lock;
+    nn_refc refc;
+    int width;
+    int height;
+    int viewportWidth;
+    int viewportHeight;
+    int maxWidth;
+    int maxHeight;
+    int maxDepth;
+    int editableColors;
+    int paletteColors;
+    int *palette;
+} nn_screen;