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move xms callback location to have offset!=0 (buggy xms check in Legend of Kyrandia setup)

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3133
This commit is contained in:
Sebastian Strohhäcker 2008-03-29 16:47:09 +00:00
parent 89893d77bb
commit cd2e2fd306
1 changed files with 3 additions and 4 deletions
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7
src/ints/xms.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (C) 2002-2007 The DOSBox Team
* Copyright (C) 2002-2008 The DOSBox Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: xms.cpp,v 1.51 2007-10-19 12:15:40 qbix79 Exp $ */
/* $Id: xms.cpp,v 1.52 2008-03-29 16:47:09 c2woody Exp $ */
#include <stdlib.h>
#include <string.h>
@ -270,7 +270,6 @@ INLINE void SET_RESULT(Bitu res,bool touch_bl_on_succes=true) {
Bitu XMS_Handler(void) {
// LOG(LOG_MISC,LOG_ERROR)("XMS: CALL %02X",reg_ah);
switch (reg_ah) {
case XMS_GET_VERSION: /* 00 */
reg_ax=XMS_VERSION;
reg_bx=XMS_DRIVER_VERSION;
@ -426,7 +425,7 @@ public:
DOS_AddMultiplexHandler(multiplex_xms);
/* place hookable callback in writable memory area */
xms_callback=RealMake(DOS_GetMemory(0x1),0);
xms_callback=RealMake(DOS_GetMemory(0x1)-1,0x10);
callbackhandler.Install(&XMS_Handler,CB_HOOKABLE,Real2Phys(xms_callback),"XMS Handler");
// pseudocode for CB_HOOKABLE:
// jump near skip