Initial submission of the PCem-Experimental source code.

src/dma.h

@@ -0,0 +1,16 @@
+void dma_init();
+void dma16_init();
+void dma_reset();
+
+#define DMA_NODATA -1
+#define DMA_OVER 0x10000
+
+void readdma0();
+int readdma1();
+uint8_t readdma2();
+int readdma3();
+
+void writedma2(uint8_t temp);
+
+int dma_channel_read(int channel);
+int dma_channel_write(int channel, uint16_t val);