1 files changed, 18 insertions, 0 deletions
diff --git a/01-ctest/main.c b/01-ctest/main.c
new file mode 100644
index 0000000..fb7ec73
--- /dev/null
+++ b/01-ctest/main.c
@@ -0,0 +1,18 @@
+#include <stdint.h>
+
+enum {
+  DISPH = 480,
+  DISPW = 800,
+};
+
+void cstart(void)
+{
+  uint16_t * const dptr = (uint16_t *)0x14800000;
+
+  for (int y = 0; y < DISPH; y++) {
+    for (int x = 0; x < DISPW; x++) {
+      dptr[y*DISPW+x] = ((x&1)^(y&1)) ? 0 : 0xffff;
+    }
+  }
+}
+