diff --git a/src/main.cpp b/src/main.cpp
index 4935453..baf2de2 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,11 +1,20 @@
 #include <tonc.h>
 #include <stdint.h>
 
+extern "C" {
+#include "boxed_dot.h"
+}
+
 const struct {
 	size_t w = 240;
 	size_t h = 160;
 } mode3;
 
+const struct {
+	size_t w = 32;
+	size_t h = 32;
+} boxed_dot;
+
 int main(void) {
 	// Mode 3-5 are bitmap modes.
 	// 	3: 240x160 @ 16bpp N page-flip
@@ -17,10 +26,18 @@ int main(void) {
 
 	// Write gradient from black -> RGB in first three lines.
 	// Each color is displayed on a separate line.
-	for (size_t i = 0; i < 32; ++i) {
-		vid_mem[i] = i;
-		vid_mem[mode3.w + i] = i << 5;
-		vid_mem[2 * mode3.w + i] = i << 10;
+	// for (size_t i = 0; i < 32; ++i) {
+	// 	vid_mem[i] = i;
+	// 	vid_mem[mode3.w + i] = i << 5;
+	// 	vid_mem[2 * mode3.w + i] = i << 10;
+	// }
+
+	// Write bitmap image into bitmap, displayed in top left corner.
+	// Image is 16bpp, stored as uint16_t.
+	for (size_t y = 0; y < boxed_dot.h; ++y) {
+		for (size_t x = 0; x < boxed_dot.w; ++x) {
+			vid_mem[y * mode3.w + x] = boxed_dotBitmap[y * boxed_dot.w + x];
+		}
 	}
 
 	while (true) {