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MSCDEX sets word on stack to ADAD if it DADA on entry.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3071
This commit is contained in:
Peter Veenstra 2007-12-30 08:21:35 +00:00
parent 962df668ff
commit 1a6921ddb6
1 changed files with 6 additions and 1 deletions
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7
src/dos/dos_mscdex.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: dos_mscdex.cpp,v 1.50 2007-07-20 18:22:28 qbix79 Exp $ */
/* $Id: dos_mscdex.cpp,v 1.51 2007-12-30 08:21:35 qbix79 Exp $ */
#include <string.h>
#include <ctype.h>
@ -1077,6 +1077,11 @@ static Bitu MSCDEX_Interrupt_Handler(void) {
static bool MSCDEX_Handler(void) {
if(reg_ah == 0x11) {
if(reg_al == 0x00) {
PhysPt check = PhysMake(SegValue(ss),reg_sp);
if(mem_readw(check+6) == 0xDADA) {
//MSCDEX sets word on stack to ADAD if it DADA on entry.
mem_writew(check+6,0xADAD);
}
reg_al = 0xff;
return true;
} else {