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I challenged mycroft to optimise this code - and he found a spare byte...

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This commit is contained in:
dsl 2004-08-14 21:03:23 +00:00
parent 1eb6dd26a9
commit c68c45c975
1 changed files with 2 additions and 3 deletions
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5
sys/arch/i386/stand/mbr/mbr.S
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@ -1,4 +1,4 @@
/* $NetBSD: mbr.S,v 1.8 2004/07/04 00:38:51 mycroft Exp $ */
/* $NetBSD: mbr.S,v 1.9 2004/08/14 21:03:23 dsl Exp $ */
/*
* Copyright (c) 1999-2004 The NetBSD Foundation, Inc.
@ -249,8 +249,7 @@ wait_key:
xorb %ah, %ah
int $0x1a /* current time to cx:dx */
sub %di, %dx
movw timeout, %ax
cmp %ax, %dx /* always wait for 1 tick... */
cmpw timeout, %dx /* always wait for 1 tick... */
jbe 3b /* 0xffff means never timeout */
def_key:
movb defkey, %al /* timedout - pick default key */