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Annotation of previous/src/includes/dma.h, revision 1.1

1.1     ! root        1: /* NeXT DMA Emulation */
        !             2: 
        !             3: typedef enum {
        !             4:     CHANNEL_SCSI,       // 0x00000010
        !             5:     CHANNEL_SOUNDOUT,   // 0x00000040
        !             6:     CHANNEL_DISK,       // 0x00000050
        !             7:     CHANNEL_SOUNDIN,    // 0x00000080
        !             8:     CHANNEL_PRINTER,    // 0x00000090
        !             9:     CHANNEL_SCC,        // 0x000000c0
        !            10:     CHANNEL_DSP,        // 0x000000d0
        !            11:     CHANNEL_EN_TX,      // 0x00000110
        !            12:     CHANNEL_EN_RX,      // 0x00000150
        !            13:     CHANNEL_VIDEO,      // 0x00000180
        !            14:     CHANNEL_M2R,        // 0x000001d0
        !            15:     CHANNEL_R2M         // 0x000001c0
        !            16: }DMA_CHANNEL;
        !            17: 
        !            18: int get_channel(Uint32 address);
        !            19: int get_interrupt_type(int channel);
        !            20: 
        !            21: void DMA_CSR_Read(void);
        !            22: void DMA_CSR_Write(void);
        !            23: 
        !            24: void DMA_Saved_Next_Read(void);
        !            25: void DMA_Saved_Next_Write(void);
        !            26: void DMA_Saved_Limit_Read(void);
        !            27: void DMA_Saved_Limit_Write(void);
        !            28: void DMA_Saved_Start_Read(void);
        !            29: void DMA_Saved_Start_Write(void);
        !            30: void DMA_Saved_Stop_Read(void);
        !            31: void DMA_Saved_Stop_Write(void);
        !            32: 
        !            33: void DMA_Next_Read(void);
        !            34: void DMA_Next_Write(void);
        !            35: void DMA_Limit_Read(void);
        !            36: void DMA_Limit_Write(void);
        !            37: void DMA_Start_Read(void);
        !            38: void DMA_Start_Write(void);
        !            39: void DMA_Stop_Read(void);
        !            40: void DMA_Stop_Write(void);
        !            41: 
        !            42: void DMA_Init_Read(void);
        !            43: void DMA_Init_Write(void);
        !            44: void DMA_Size_Read(void);
        !            45: void DMA_Size_Write(void);
        !            46: 
        !            47: 
        !            48: void dma_memory_write(Uint8 *buf, Uint32 size, int channel);
        !            49: void dma_memory_read(Uint8 *buf, Uint32 *size, int channel);
        !            50: void dma_clear_memory(Uint32 datalength);
        !            51: 
        !            52: /* Buffers */
        !            53: #define DMA_BUFFER_SIZE 65536
        !            54: 
        !            55: /* dma read buffer */
        !            56: Uint8 dma_read_buffer[DMA_BUFFER_SIZE];
        !            57: 
        !            58: /* dma write buffer */
        !            59: Uint8 dma_write_buffer[DMA_BUFFER_SIZE];

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