From 9fae82c913d8980c73d705e0031703177f40b70e Mon Sep 17 00:00:00 2001
From: hpa <hpa>
Date: Thu, 16 Jun 2005 04:39:19 +0000
Subject: [PATCH] Beep the speaker on ^G

---
 NEWS         | 1 +
 conio.inc    | 8 ++++++++
 syslinux.doc | 3 +++
 3 files changed, 12 insertions(+)

diff --git a/NEWS b/NEWS
index 0a37cbf..e92151f 100644
--- a/NEWS
+++ b/NEWS
@@ -4,6 +4,7 @@ them.
 
 Changes in 3.09:
 	* gcc4 compilation fix.
+	* <BEL> (Ctrl-G) in message files now causes a beep.
 
 Changes in 3.08:
 	* SYSLINUX: Fix performance regression (-s mode always
diff --git a/conio.inc b/conio.inc
index 7af5ebe..af956d8 100644
--- a/conio.inc
+++ b/conio.inc
@@ -99,6 +99,8 @@ msg_putchar:                                    ; Normal character
                 je msg_newline
                 cmp al,0Ch                      ; <FF> = clear screen
                 je msg_formfeed
+		cmp al,07h			; <BEL> = beep
+		je msg_beep
 		cmp al,19h			; <EM> = return to text mode
 		je msg_novga
 		cmp al,18h			; <CAN> = VGA filename follows
@@ -129,6 +131,12 @@ msg_gotoxy:     mov bh,[BIOS_page]
                 mov ah,02h                      ; Set cursor position
                 int 10h
 msg_ignore:     ret
+
+msg_beep:	mov ax,0E07h			; Beep
+		xor bx,bx
+		int 10h
+		ret
+
 msg_ctrl_o:                                     ; ^O = color code follows
                 mov word [NextCharJump],msg_setbg
                 ret
diff --git a/syslinux.doc b/syslinux.doc
index bd9f76a..4cd6b33 100644
--- a/syslinux.doc
+++ b/syslinux.doc
@@ -440,6 +440,9 @@ are interpreted:
 <SUB>                                   <SUB> = <Ctrl-Z> = ASCII 26
         End of file (DOS convention).
 
+<BEL>					<BEL> = <Ctrl-G> = ASCII 7
+	Beep the speaker.
+
 
    ++++ COMMAND LINE KEYSTROKES ++++
 
-- 
2.7.4