1 files changed, 15 insertions, 0 deletions
diff --git a/lib/ultralib/src/io/dp.c b/lib/ultralib/src/io/dp.c
new file mode 100755
index 0000000..e4d0254
--- /dev/null
+++ b/lib/ultralib/src/io/dp.c
@@ -0,0 +1,15 @@
+#include "PR/os_internal.h"
+#include "PR/rcp.h"
+
+// TODO: this comes from a header
+#ident "$Revision: 1.17 $"
+
+int __osDpDeviceBusy(void) {
+    register u32 stat = IO_READ(DPC_STATUS_REG);
+
+    if (stat & DPC_STATUS_DMA_BUSY) {
+        return TRUE;
+    }
+    
+    return FALSE;
+}