1 files changed, 7 insertions(+), 1 deletions(-)

M src/devices/ppu.c

@@ 11,6 11,12 @@ WITH REGARD TO THIS SOFTWARE.
 
 #include "ppu.h"
 
+static uint8_t blending[4][16] = {
+	{0, 0, 0, 0, 1, 0, 1, 1, 2, 2, 0, 2, 3, 3, 3, 0},
+	{0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3},
+	{1, 2, 3, 1, 1, 2, 3, 1, 1, 2, 3, 1, 1, 2, 3, 1},
+	{2, 3, 1, 2, 2, 3, 1, 2, 2, 3, 1, 2, 2, 3, 1, 2}};
+
 static inline void
 render(Ppu *p, int offset, int count)
 {


@@ 64,7 70,7 @@ screen_blit(Ppu *p, uint8_t fg, uint16_t x, uint16_t y, uint8_t *sprite, uint8_t
 					fg,
 					x + (flipx ? 7 - h : h),
 					y + (flipy ? 7 - v : v),
-					color * ch);
+					blending[ch][color]);
 		}
 	}
 }