extern "C" {
#endif
-void *set_video_mode(int xsz, int ysz, int bpp);
+void *set_video_mode(int xsz, int ysz, int bpp, int nbuf);
int set_text_mode(void);
int get_color_depth(void);
void set_palette(int idx, int r, int g, int b);
+enum {
+ FLIP_NOW,
+ FLIP_VBLANK
+};
+/* page flip and return pointer to the start of the display area (front buffer) */
+void *page_flip(int vsync);
+
#ifdef __WATCOMC__
void wait_vsync(void);
#pragma aux wait_vsync = \