+ /* initialize screen properties */
+ InitGfxFieldInfo(SX, SY, SXSIZE, SYSIZE,
+ REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
+ InitGfxDoor1Info(DX, DY, DXSIZE, DYSIZE);
+ InitGfxDoor2Info(VX, VY, VXSIZE, VYSIZE);
+ InitGfxScrollbufferInfo(FXSIZE, FYSIZE);
+
+ /* create additional image buffers for double-buffering */