+_ao_xmemcmp(__xdata void *a, __xdata void *b, uint16_t count);
+
+#define ao_xmemcmp(d,s,c) _ao_xmemcmp((d), (s), (c))
+
+struct ao_serial_speed {
+ uint8_t baud;
+ uint8_t gcr;
+};
+
+extern const __code struct ao_serial_speed ao_serial_speeds[];
+
+/*
+ * ao_dma.c
+ */
+
+/* Allocate a DMA channel. the 'done' parameter will be set when the
+ * dma is finished and will be used to wakeup any waiters
+ */
+
+uint8_t
+ao_dma_alloc(__xdata uint8_t * done);
+
+/* Setup a DMA channel */
+void
+ao_dma_set_transfer(uint8_t id,
+ void __xdata *srcaddr,
+ void __xdata *dstaddr,
+ uint16_t count,
+ uint8_t cfg0,
+ uint8_t cfg1);
+
+/* Start a DMA channel */
+void
+ao_dma_start(uint8_t id);
+
+/* Manually trigger a DMA channel */
+void
+ao_dma_trigger(uint8_t id);
+
+/* Abort a running DMA transfer */
+void
+ao_dma_abort(uint8_t id);
+
+/* DMA interrupt routine */
+void
+ao_dma_isr(void) ao_arch_interrupt(8);
+
+/* ao_adc.c */