void AnimateEnvelope(int envelope_nr, int anim_mode, int action)
{
int graphic = IMG_BACKGROUND_ENVELOPE_1 + envelope_nr;
+#if 1
+ Bitmap *src_bitmap = graphic_info[graphic].bitmap;
+ int mask_mode = (src_bitmap != NULL ? BLIT_MASKED : BLIT_ON_BACKGROUND);
+#else
boolean draw_masked = graphic_info[graphic].draw_masked;
int mask_mode = (draw_masked ? BLIT_MASKED : BLIT_ON_BACKGROUND);
+#endif
boolean ffwd_delay = (tape.playing && tape.fast_forward);
boolean no_delay = (tape.warp_forward);
unsigned long anim_delay = 0;