remove "done" folders, label "bs/droneenter, bs/dronelook, and bs/dronevanish files and functions"

src/core1/io/sirawdma.c

@@ -0,0 +1,22 @@
+#include <ultra64.h>
+
+s32 __osSiRawStartDma(s32 direction, void *dramAddr)
+{
+    if (__osSiDeviceBusy())
+        return -1;
+
+    if (direction == OS_WRITE)
+        osWritebackDCache(dramAddr, 64);
+
+    IO_WRITE(SI_DRAM_ADDR_REG, osVirtualToPhysical(dramAddr));
+
+    if (direction == OS_READ)
+        IO_WRITE(SI_PIF_ADDR_RD64B_REG, 0x1FC007C0);
+    else
+        IO_WRITE(SI_PIF_ADDR_WR64B_REG, 0x1FC007C0);
+
+    if (direction == OS_READ)
+        osInvalDCache(dramAddr, 64);//bzero(dramAddr, 64);
+
+    return 0;
+}