From 278f1713b7c5e636892dd5e98ff85f6c998781c0 Mon Sep 17 00:00:00 2001
From: Dennis Ritchie <dmr@research.uucp>
Date: Tue, 26 Nov 1974 18:13:21 -0500
Subject: [PATCH] Research V5 development Work on file usr/source/s2/tty.s

Co-Authored-By: Ken Thompson <ken@research.uucp>
Synthesized-from: v5
---
 usr/source/s2/tty.s | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 usr/source/s2/tty.s

diff --git a/usr/source/s2/tty.s b/usr/source/s2/tty.s
new file mode 100644
index 0000000000..86697c6bf4
--- /dev/null
+++ b/usr/source/s2/tty.s
@@ -0,0 +1,17 @@
+/ tty -- get tty number
+
+.globl	ttyn
+
+	clr	r0
+	jsr	pc,ttyn
+	tst	r0
+	movb	r0,nam
+	mov	$1,r0
+	sys	write; name; 5
+	sys	exit
+
+name:
+	<tty>
+nam:
+	<x\n>
+.even
-- 
2.20.1