Initial import1.0

1 files changed, 27 insertions, 0 deletions

diff --git a/game/src/aux.c b/game/src/aux.c
new file mode 100644
index 0000000..15fc2a4
--- /dev/null
+++ b/game/src/aux.c
@@ -0,0 +1,27 @@
+#include <stdint.h>
+
+#include "ubox.h"
+
+#include "aux.h"
+
+/**
+ * Put a zero terminated string on the screen using tiles.
+ *
+ * The font starts on the tileset on tile 128 and the fist char in our has
+ * ASCII value 31, so it is adjusted so we can use ASCII *uppercase* directly
+ * in our C code.
+ */
+void put_text(uint8_t x, uint8_t y, const uint8_t *text)
+{
+    while (*text)
+        ubox_put_tile(x++, y, *text++ + 128 - 31);
+}
+
+/**
+ * Wait for `frames` frames.
+ */
+void wait_for(uint8_t frames)
+{
+    while (frames--)
+        ubox_wait();
+}