valter/dosbox-staging
1
0
Fork 0
Code Releases Activity

added function 0x88 and 0x89 (thanks c2woody)

Browse source 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1588
This commit is contained in:
Ulf Wohlers 2004-01-14 20:54:41 +00:00
parent 1c84baf8a8
commit c311d0249d
1 changed files with 12 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
src/ints/xms.cpp
View file

@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: xms.cpp,v 1.30 2004-01-10 14:03:35 qbix79 Exp $ */
/* $Id: xms.cpp,v 1.31 2004-01-14 20:54:41 finsterr Exp $ */
#include <stdlib.h>
#include <string.h>
@ -52,6 +52,8 @@
#define XMS_RESIZE_EXTENDED_MEMORY_BLOCK 0x0f
#define XMS_ALLOCATE_UMB 0x10
#define XMS_DEALLOCATE_UMB 0x11
#define XMS_QUERY_ANY_FREE_MEMORY 0x88
#define XMS_ALLOCATE_ANY_MEMORY 0x89
#define HIGH_MEMORY_NOT_EXIST 0x90
#define HIGH_MEMORY_IN_USE 0x91
@ -282,6 +284,9 @@ Bitu XMS_Handler(void) {
case XMS_QUERY_FREE_EXTENDED_MEMORY: /* 08 */
reg_bl = XMS_QueryFreeMemory(reg_ax,reg_dx);
break;
case XMS_ALLOCATE_ANY_MEMORY: /* 89 */
reg_edx &= 0xffff;
// fall through
case XMS_ALLOCATE_EXTENDED_MEMORY: /* 09 */
{
Bit16u handle = 0;
@ -326,7 +331,12 @@ Bitu XMS_Handler(void) {
case XMS_DEALLOCATE_UMB: /* 11 */
LOG(LOG_MISC,LOG_ERROR)("XMS:Unhandled call %2X",reg_ah);
break;
case XMS_QUERY_ANY_FREE_MEMORY: /* 88 */
reg_bl = XMS_QueryFreeMemory(reg_ax,reg_dx);
reg_eax &= 0xffff;
reg_edx &= 0xffff;
reg_ecx = (MEM_TotalPages()*MEM_PAGESIZE)-1; // highest known physical memory address
break;
}
// LOG(LOG_MISC,LOG_ERROR)("XMS: CALL Result: %02X",reg_bl);
return CBRET_NONE;