--- previous/src/includes/dma.h	2018/04/24 19:30:38	1.1.1.2
+++ previous/src/includes/dma.h	2018/04/24 19:32:23	1.1.1.3
@@ -1,3 +1,18 @@
+enum {
+    CHANNEL_SCSI,       // 0x00000010
+    CHANNEL_SOUNDOUT,   // 0x00000040
+    CHANNEL_DISK,       // 0x00000050
+    CHANNEL_SOUNDIN,    // 0x00000080
+    CHANNEL_PRINTER,    // 0x00000090
+    CHANNEL_SCC,        // 0x000000c0
+    CHANNEL_DSP,        // 0x000000d0
+    CHANNEL_EN_TX,      // 0x00000110
+    CHANNEL_EN_RX,      // 0x00000150
+    CHANNEL_VIDEO,      // 0x00000180
+    CHANNEL_M2R,        // 0x000001d0
+    CHANNEL_R2M         // 0x000001c0
+} DMA_CHANNEL;
+
 /* DMA Registers */
 void DMA_CSR_Read(void);
 void DMA_CSR_Write(void);
@@ -44,17 +59,19 @@ void dma_dsp_write_memory(Uint8 val);
 Uint8 dma_dsp_read_memory(void);
 bool dma_dsp_ready(void);
 
+void dma_m2m(void);
 void dma_m2m_write_memory(void);
 
 void dma_scc_read_memory(void);
 
-void dma_sndout_read_memory(void);
+Uint8* dma_sndout_read_memory(int* len);
+void   dma_sndout_intr(void);
+int    dma_sndin_write_memory(void);
 
 void dma_printer_read_memory(void);
 
-/* Delayed DMA interrupt handlers */
-void M2RDMA_InterruptHandler(void);
-void R2MDMA_InterruptHandler(void);
+/* M2M DMA IO handler */
+void M2MDMA_IO_Handler(void);
 
 /* Function for video interrupt */
 void dma_video_interrupt(void);