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authorhpa <hpa>2005-06-16 04:39:19 +0000
committerhpa <hpa>2005-06-16 04:39:19 +0000
commit9fae82c913d8980c73d705e0031703177f40b70e (patch)
tree9268b2e8237d4b436d3028b04f23f5933f3ea0ef
parent18a2d5163b981425521fa73e9182702aa0e93294 (diff)
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Beep the speaker on ^G
-rw-r--r--NEWS1
-rw-r--r--conio.inc8
-rw-r--r--syslinux.doc3
3 files changed, 12 insertions, 0 deletions
diff --git a/NEWS b/NEWS
index 0a37cbfe..e92151fb 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 7af5ebe1..af956d88 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 bd9f76a9..4cd6b33b 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 ++++