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Add input checking to call 0x2D

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2934
This commit is contained in:
Peter Veenstra 2007-07-27 19:17:23 +00:00
parent ae6c4effb6
commit 7c7e3c510c
1 changed files with 5 additions and 2 deletions
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7
src/dos/dos.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: dos.cpp,v 1.103 2007-07-20 18:53:52 qbix79 Exp $ */
/* $Id: dos.cpp,v 1.104 2007-07-27 19:17:23 qbix79 Exp $ */
#include <stdlib.h>
#include <string.h>
@ -359,7 +359,10 @@ static Bitu DOS_21Handler(void) {
break;
case 0x2d: /* Set System Time */
LOG(LOG_DOSMISC,LOG_ERROR)("DOS:Set System Time not supported");
reg_al=0; /* Noone is changing system time */
//Check input parameters nonetheless
if( reg_ch > 23 || reg_cl > 59 || reg_dh > 59 || reg_dl > 99 )
reg_al = 0xff;
else reg_al = 0;
break;
case 0x2e: /* Set Verify flag */
dos.verify=(reg_al==1);