optimizations

[gbajam22] / src / pc / main.c

diff --git a/src/pc/main.c b/src/pc/main.c
index cf6ffec..c61066d 100644 (file)
--- a/src/pc/main.c
+++ b/src/pc/main.c
@@ -130,15 +130,15 @@ uint16_t get_input(void)
 #define PACK_RGB32(r, g, b) \
        ((((r) & 0xff) << 16) | (((g) & 0xff) << 8) | ((b) & 0xff) | 0xff000000)
 
-#define UNPACK_R16(c)  (((c) >> 9) & 0xf8)
-#define UNPACK_G16(c)  (((c) >> 3) & 0xf8)
-#define UNPACK_B16(c)  (((c) << 3) & 0xf8)
+#define UNPACK_R16(c)  (((c) << 3) & 0xf8)
+#define UNPACK_G16(c)  (((c) >> 2) & 0xf8)
+#define UNPACK_B16(c)  (((c) >> 7) & 0xf8)
 
 void present(int buf)
 {
        int i, npix = 240 * 160;
        uint32_t *dptr = convbuf;
-       uint8_t *sptr = buf ? gba_vram_lfb1 : gba_vram_lfb0;
+       uint8_t *sptr = (uint8_t*)(buf ? gba_vram_lfb1 : gba_vram_lfb0);
 
        for(i=0; i<npix; i++) {
                int idx = *sptr++;