IRQs

enum IRQ_MASKS {
    IRQ_VBLANK          =   BIT(0),     /*!< vertical blank interrupt mask */
    IRQ_HBLANK          =   BIT(1),     /*!< horizontal blank interrupt mask */
    IRQ_VCOUNT          =   BIT(2),     /*!< vcount match interrupt mask */
    IRQ_TIMER0          =   BIT(3),     /*!< timer 0 interrupt mask */
    IRQ_TIMER1          =   BIT(4),     /*!< timer 1 interrupt mask */
    IRQ_TIMER2          =   BIT(5),     /*!< timer 2 interrupt mask */
    IRQ_TIMER3          =   BIT(6),     /*!< timer 3 interrupt mask */
    IRQ_NETWORK         =   BIT(7),     /*!< serial interrupt mask */
    IRQ_DMA0            =   BIT(8),     /*!< DMA 0 interrupt mask */
    IRQ_DMA1            =   BIT(9),     /*!< DMA 1 interrupt mask */
    IRQ_DMA2            =   BIT(10),    /*!< DMA 2 interrupt mask */
    IRQ_DMA3            =   BIT(11),    /*!< DMA 3 interrupt mask */
    IRQ_KEYS            =   BIT(12),    /*!< Keypad interrupt mask */
    IRQ_CART            =   BIT(13),    /*!< GBA cartridge interrupt mask */
    IRQ_IPC_SYNC        =   BIT(16),    /*!< IPC sync interrupt mask */
    IRQ_FIFO_EMPTY      =   BIT(17),    /*!< Send FIFO empty interrupt mask */
    IRQ_FIFO_NOT_EMPTY  =   BIT(18),    /*!< Receive FIFO not empty interrupt mask */
    IRQ_CARD            =   BIT(19),    /*!< interrupt mask DS Card Slot*/
    IRQ_CARD_LINE       =   BIT(20),    /*!< interrupt mask */
    IRQ_GEOMETRY_FIFO   =   BIT(21),    /*!< geometry FIFO interrupt mask */
    IRQ_LID             =   BIT(22),    /*!< interrupt mask DS hinge*/
    IRQ_SPI             =   BIT(23),    /*!< SPI interrupt mask */
    IRQ_WIFI            =   BIT(24),    /*!< WIFI interrupt mask (ARM7)*/
    IRQ_ALL             =   (~0)        /*!< 'mask' for all interrupt */
};