1 files changed, 30 insertions, 0 deletions
diff --git a/lib/nes/app/graphics/mask-tile.hh b/lib/nes/app/graphics/mask-tile.hh
new file mode 100644
index 0000000..c811003
--- /dev/null
+++ b/lib/nes/app/graphics/mask-tile.hh
@@ -0,0 +1,30 @@
+#pragma once
+
+#include <cstdint>
+
+namespace nes::app
+{
+	/// An 8x8 tile without intrinsic coloring, only providing the alpha mask.
+	///
+	/// The tile is stored as an array of 8 8-bit integers, where each bit represents a horizontal pixel in the
+	/// integer's row.
+	struct mask_tile
+	{
+		std::uint8_t data[8]{};
+	};
+
+	namespace tiles
+	{
+		inline constexpr auto letter_a = mask_tile
+		{
+			0b00111000,
+			0b01101100,
+			0b11000110,
+			0b11000110,
+			0b11111110,
+			0b11000110,
+			0b11000110,
+			0b00000000,
+		};
+	} // namespace tiles
+} // namespace nes::app
+\ No newline at end of file