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Annotation of previous/src/includes/dma.h, revision 1.1.1.1

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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