input handling

[mdlife] / src / vdp.h

diff --git a/src/vdp.h b/src/vdp.h
index 82e6747..64d7798 100644 (file)
--- a/src/vdp.h
+++ b/src/vdp.h
@@ -9,14 +9,27 @@
 #define vdp_setreg(reg, val) \
        (VDP_CTL = 0x8000 | ((reg) << 8) | (val))
 
+#define vdp_wait_vblank() \
+       while(!(VDP_STAT & VDP_ST_VBLANK))
+
+#define vdp_wait_vblank_end() \
+       while((VDP_STAT & VDP_ST_VBLANK))
+
+#define vdp_vsync() \
+       (vdp_wait_vblank_end(), vdp_wait_vblank())
+
+
 #define VDP_TILE_BG                    0
 #define VDP_TILE_FG                    0x8000
 #define VDP_TILE_PAL(x)                ((x) << 13)
 #define VDP_TILE_VFLIP         0x1000
 #define VDP_TILE_HFLIP         0x0800
+#define VDP_TILE_HVFLIP                (VDP_TILE_HFLIP | VDP_TILE_VFLIP)
 #define VDP_TILENAME(tile, pal, flags) \
        ((tile) | VDP_TILE_PAL(pal) | (flags))
 
+#define VDP_ADDR2TILE(x)       ((x) >> 5)
+
 void vdp_init(void);
 void vdp_setcolor(int pal, int cidx, int r, int g, int b);