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Annotation of uae/src/include/dos-dma.h, revision 1.1

1.1     ! root        1:  /*
        !             2:   * UAE - The Un*x Amiga Emulator
        !             3:   *
        !             4:   * DOS DMA interface.
        !             5:   *
        !             6:   * (c) 1996 Peter Remmers
        !             7:   */
        !             8: 
        !             9: /* Transfer modes */
        !            10: #define DMA_MODE_WRITE     0x04
        !            11: #define DMA_MODE_READ      0x08
        !            12: /* autoinitialization */
        !            13: #define DMA_MODE_AUTOINIT  0x10
        !            14: /* address increment/decrement */
        !            15: #define DMA_MODE_INCREMENT 0x00
        !            16: #define DMA_MODE_DECREMENT 0x20
        !            17: /* DMA Modes */
        !            18: #define DMA_MODE_DEMAND    0x00
        !            19: #define DMA_MODE_SINGLE    0x40
        !            20: #define DMA_MODE_BLOCK     0x80
        !            21: #define DMA_MODE_CASCADE   0xC0
        !            22: 
        !            23: /* convenience shortcuts */
        !            24: #define DMA_READ  ( DMA_MODE_READ  | DMA_MODE_INCREMENT | DMA_MODE_SINGLE )
        !            25: #define DMA_WRITE ( DMA_MODE_WRITE | DMA_MODE_INCREMENT | DMA_MODE_SINGLE )
        !            26: #define DMA_READ_AUTOINIT  ( DMA_READ  | DMA_MODE_AUTOINIT )
        !            27: #define DMA_WRITE_AUTOINIT ( DMA_WRITE | DMA_MODE_AUTOINIT )
        !            28: 
        !            29: extern unsigned long DMA_AllocDMABuf (_go32_dpmi_seginfo *info);
        !            30: extern void  DMA_Mask         (unsigned char channel);
        !            31: extern void  DMA_UnMask       (unsigned char channel);
        !            32: extern void  DMA_InitTransfer (unsigned char channel, unsigned char Mode,
        !            33:                               unsigned long PhysAddr, unsigned short Count);

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