diff --git a/coco/src/fn_fuji/fuji_set_directory_position.c b/coco/src/fn_fuji/fuji_set_directory_position.c
index ba4a2dd..fc4b9a3 100644
--- a/coco/src/fn_fuji/fuji_set_directory_position.c
+++ b/coco/src/fn_fuji/fuji_set_directory_position.c
@@ -6,6 +6,22 @@
 
 bool fuji_set_directory_position(uint16_t pos)
 {
-    /* TODO, implement */
-    return false;
-}
+    struct _sdp
+    {
+        uint8_t opcode;
+        uint8_t cmd;
+        uint16_t pos;
+    } sdp;
+
+    sdp.opcode = OP_FUJI;
+    sdp.cmd = FUJICMD_SET_DIRECTORY_POSITION;
+    sdp.pos = pos;
+
+    bus_ready();
+
+    dwwrite((uint8_t *)&sdp, sizeof(sdp));
+    if (fuji_get_error())
+        return false;
+    
+    return true;
+}
\ No newline at end of file
diff --git a/fujinet-fuji.h b/fujinet-fuji.h
index 1d2e0a3..f7aeeac 100644
--- a/fujinet-fuji.h
+++ b/fujinet-fuji.h
@@ -7,6 +7,7 @@
 
 #ifdef _CMOC_VERSION_
     #include <cmoc.h>
+    #include <coco.h>
 
     #ifndef bool
     #define bool _FNBool