diff --git a/WEGA/src/lib/libc/sys/TODO b/WEGA/src/lib/libc/sys/TODO
new file mode 100644
index 0000000..fa665fa
--- /dev/null
+++ b/WEGA/src/lib/libc/sys/TODO
@@ -0,0 +1,19 @@
+- check
+
+missing files:
+signal.s
+stty.s		also implements gtty()
+time.s
+times.s
+tmpfile
+ugrow.s
+ulimit.s
+umask.s
+umount.s
+uname.s
+unlink.s
+ustat.s
+utime.s
+wait.s
+write.s
+
diff --git a/WEGA/src/lib/libc/sys/tell.s b/WEGA/src/lib/libc/sys/tell.s
new file mode 100644
index 0000000..b97a4a5
--- /dev/null
+++ b/WEGA/src/lib/libc/sys/tell.s
@@ -0,0 +1,13 @@
+	.psec
+	.code
+_tell::
+	{
+	dec	r15,#6
+	ld	@r15,r7
+	ld	r6,r7
+	subl	rr4,rr4
+	ldk	r3,#1
+	call	_lseek
+	inc	r15,#6
+	ret
+	}