1 files changed, 38 insertions, 6 deletions

diff --git a/src/main.c b/src/main.c
index d78dbe0..d7e54d8 100644
--- a/src/main.c
+++ b/src/main.c
@@ -482,6 +482,16 @@ typedef struct ButtonSprite {
     u32 pal_bank;
 } ButtonSprite;
 
+void
+load_sprite_data(Tile *tile_ptr, u32 *sprite_data, size_t n_tiles) {
+    for (size_t i = 0; i < n_tiles; ++i) {
+        for (size_t j = 0; j < 8; ++j) {
+            tile_ptr->data[j] = *sprite_data++;
+        }
+        tile_ptr++;
+    }
+}
+
 int main(void) {
     // Configure the display in mode 0 to show OBJs, where tile memory is
     // sequential.
@@ -503,11 +513,33 @@ int main(void) {
     Tile *tile_mem = &TILE_MEM[4][initial_tile];
 
     // Test copying the exported tiles.
-    for (size_t i = 0; i < 224; ++i) {
-        for (size_t j = 0; j < 8; ++j) {
-            (tile_mem + i)->data[j] = gba_buttons_tiles[i][j];
-        }
-    }
+    profile_start();
+    load_sprite_data(tile_mem, &gba_btn_b_data, 112);
+    tile_mem += 112;
+    load_sprite_data(tile_mem, &gba_btn_a_data, 112);
+    tile_mem += 112;
+    u32 perf_a_clk = profile_stop();
+    //
+    profile_start();
+    memcpy(tile_mem, &gba_btn_b_data, sizeof(gba_btn_b_data));
+    tile_mem += 112;
+    memcpy(tile_mem, &gba_btn_a_data, sizeof(gba_btn_a_data));
+    tile_mem += 112;
+    u32 perf_b_clk = profile_stop();
+
+    char perf_a[240] = {0};
+    char perf_b[240] = {0};
+    sprintf(perf_a, "A: %d", perf_a_clk);
+    sprintf(perf_b, "B: %d", perf_b_clk);
+
+    put_text(0, 0, COLOR_WHITE, perf_a);
+    put_text(0, 16, COLOR_WHITE, perf_b);
+
+    char msg[240] = {0};
+    sprintf(msg, "size[a]: %d", sizeof(gba_btn_a_data) / 8 / sizeof(u32));
+    put_text(0, 32, COLOR_RED, msg);
+    sprintf(msg, "size[b]: %d", sizeof(gba_btn_b_data) / 8 / sizeof(u32));
+    put_text(0, 32 + 16, COLOR_RED, msg);
 
     // Initialize the A/B button sprites.
     int buttons_x = SCREEN_WIDTH - 64 - 10;
@@ -528,7 +560,7 @@ int main(void) {
         .y = buttons_y - 16,
         .frame = 0,
         .n_frames = 6,
-        .tile_index = initial_tile + 16 * 7,
+        .tile_index = initial_tile + 112,
         .pal_bank = 0,
     };
     OBJ_ATTR_0(1) = btn_a.y;