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Usage examples
An example using the frame buffer switching mode is shown below.

Table 4.3 (a) Frame buffer switching mode usage example (VBE = 0 fixed)
 Set value * 1 
 * 2 
Frame buffer 0
 * 2 
Frame buffer 1
 Frame buffer 
Switch mode
 switch 
time
FCM
FCT
 0 
 0 
 Draw 
 Display + Erase Light 
 1-cycle mode 
 60 frames / 
sec
 
 
 Display + Erase Light 
 Draw 
 
 
 Draw 
 Display + Erase Light 
 
 
 Display + Erase Light 
 Draw 
 1 
 1 
 Draw 
 Display + Erase Light 
 Manual Mode (Change) * 3 
 
 
 Display 
 Draw 
 
 20 frames / 
sec
 1 
 0 
 Display 
 Draw 
 Manual mode (erase) * 4 
 1 
 1 
 Display + erase light 
 Draw 
 Manual mode (change) * 4 
 
 
 Draw 
 Display 
 
 1 
 0 
 Draw 
 Display 
 Manual mode (erase) * 5 
 0 
 0 
 Draw 
 Display + Erase Light 
 1-cycle mode 
 
 
 Display + Erase Light 
 Draw 
 60 frames / 
sec
 
 
 Draw 
 Display + Erase Light 

[Note] * 1 Value written to the register immediately after V blank OUT interrupt
  * 2 Switches from the beginning of the field
  * 3 Changes from 1-cycle mode to manual mode.
  * 4 Be sure to specify erase and change in succession.
  * 5 Specify erase in the field immediately before switching to 1-cycle mode 


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