Add 3_sprites demo

1 files changed, 2 insertions, 1 deletions

diff --git a/2_scroll_planes/main.c b/2_scroll_planes/main.c
index 421b6c3..58ff94d 100644
--- a/2_scroll_planes/main.c
+++ b/2_scroll_planes/main.c
@@ -24,7 +24,7 @@
 #define VRAM_ADDR_TILES         (0x0000)
 #define VRAM_ADDR_PLANE_A       (0xC000)
 #define VRAM_ADDR_PLANE_B       (0xE000)
-#define VRAM_ADDR_HSCROLL		(0xFC00) // NEW to this demo - Horizonal Scroll table address
+#define VRAM_ADDR_HSCROLL       (0xFC00) // NEW to this demo - Horizonal Scroll table address
 
 // Screen width and height (in pixels)
 #define VDP_SCREEN_WIDTH        (0x0140)
@@ -355,6 +355,7 @@ int main(void)
 
     // Write the font glyph tiles to VRAM
     for (size_t i = 0; i < TILE_COUNT * SIZE_TILE_L; i++) {
+        // Write tile line (4 bytes per line), and post-increment address
         *(volatile uint32_t*)VDP_DATA = characters[i]; // Write palette entry
     }