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  Title  
 Function specifications 
 
  Function  
 Frame change V blank 
 Set interval number 
Function Name
SPR_2FrameChgIntr
 
No
4
 

  format  void SPR_2FrameChgIntr (Uint16 interval)
 Input  interval: Number of V blank intervals
 Output  None
 Function value  None
 Function  Set frame change V blank interval number.
  Depending on the number of intervals, it has the following meaning
:  0 = Frame change is set to auto change mode and the number of intervals is 1.
 . Synchronization with SCL_DisplayFrame () is not possible.
:  1 ​​= Frame change is in auto change mode and the number of intervals is 1.
 . Synchronization with SCL_DisplayFrame () is possible.
:  0xffff = Drawing frame with polygon in indefinite interval manual change mode
 Erase light will be performed.
.  Confirm the end of VDP1 drawing and change the frame.
  0xfffe = V In indefinite interval manual change mode with blank erase
 . For parts that are not erased, the user can draw frames with polygons.
 Erase light for .
:  Frame change is performed without confirming the end of VDP1 drawing.
  Other = Constant interval manual change mode with specified number of intervals.
  b14 = 0: Perform erase write.
  = 1: Erase light is not performed. 

 Calling SCL_SetFrameInterval () routine.  

  Title  
 Function specifications 
  Function  
 Set of frame buffer erase data 

  Function Name  
 SPR_2FrameEraseData 

No
5
 

  format  void SPR_2FrameEraseData (Uint16 rgbColor)
 Input  rgbColor: Erase data (RGB color)
 Output  None
 Function value  None
 Function  Specify what color to fill when the erase process is executed. 

  Title  
 Function specifications 
  Function  
 Gouraud shading table set 
Function Name
SPR_2SetGourTbl
 
No
6
 

  format  void SPR_2SetGourTbl (Uint16 gourTblNo, SprGourTbl * gourTbl);
 Input  gourTblNo: Gouraud shading table number
 GourTbl: Gouraud shading table
 Output  None
 Function value  None
 Function  Gouraud shading specified in the Gouraud shading table area in VRAM
Copy the contents of the  table .

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