Change dirty_tiles to use a u32[20] instead of u8[20][30]

1 files changed, 1 insertions, 1 deletions

diff --git a/src/text.h b/src/text.h
index b90c160..0b318bb 100644
--- a/src/text.h
+++ b/src/text.h
@@ -133,7 +133,7 @@ txt_putc_hybrid(char c) {
         int y = text_engine.cursor_y;
         Tile *buf = text_engine.memory;
         buf[x + y * 30] = tile;
-        dirty_tiles[y][x] = 1;
+        dirty_tiles[y] |= 1 << x;
         text_engine.cursor_x += 1;
         if (text_engine.cursor_x >= 30) {
             text_engine.cursor_x = 0;