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2.2 Data specifications

[Interrupt register access management] 

  Title  
 Data specifications 
  Data  
 Interrupt mask bit value constant 
  Data name  
 None 
No
1

The constants that can be set for the interrupt mask bit value are shown below. As for the value of each constant, 1 bit indicated by the constant is set to 1 and other bits are set to 0. Multiple settings can be made at one time by logical OR. 

 Constant Name 
 Description 
 INT_MSK_NULL 
 Not specified 
 INT_MSK_ALL 
 Specify all (specify all the bits shown below) 
INT_MSK_ABUS
A-Bus
 INT_MSK_SPR 
 End sprite drawing 
 INT_MSK_DMAI 
 DMA illegal 
 INT_MSK_DMA0 
 Level 0-DMA 
 INT_MSK_DMA1 
 Level 1-DMA 
 INT_MSK_DMA2 
 Level 2-DMA 
INT_MSK_PAD
PAD
 INT_MSK_SYS 
 System Manager 
 INT_MSK_SND 
 Sound Request 
 INT_MSK_DSP 
 End DSP 
 INT_MSK_TIM1 
 Timer-1 
 INT_MSK_TIM0 
 Timer-0 
 INT_MSK_HBLK_IN 
 H-blank-IN 
 INT_MSK_VBLK_OUT 
 V-Blank-OUT 
 INT_MSK_VBLK_IN 
 V-Blank-IN

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