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Add patch 1311184 and 1250588 from cyberwalker and shdon

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2336
This commit is contained in:
Peter Veenstra 2005-10-04 12:59:12 +00:00
parent 59910aafbc
commit d87e59032f
1 changed files with 15 additions and 8 deletions
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23
src/ints/xms.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: xms.cpp,v 1.36 2005-08-08 13:33:46 c2woody Exp $ */
/* $Id: xms.cpp,v 1.37 2005-10-04 12:59:12 qbix79 Exp $ */
#include <stdlib.h>
#include <string.h>
@ -54,6 +54,7 @@
#define XMS_DEALLOCATE_UMB 0x11
#define XMS_QUERY_ANY_FREE_MEMORY 0x88
#define XMS_ALLOCATE_ANY_MEMORY 0x89
#define XMS_GET_EMB_HANDLE_INFORMATION_EXT 0x8e
#define XMS_FUNCTION_NOT_IMPLEMENTED 0x80
#define HIGH_MEMORY_NOT_EXIST 0x90
@ -318,10 +319,11 @@ Bitu XMS_Handler(void) {
reg_bl = XMS_UnlockMemory(reg_dx);
reg_ax = (reg_bl==0);
break;
case XMS_GET_EMB_HANDLE_INFORMATION: /* 0e */
reg_bl = XMS_GetHandleInformation(reg_dx,reg_bh,reg_bl,reg_dx);
reg_ax = (reg_bl==0);
break;
case XMS_GET_EMB_HANDLE_INFORMATION: { /* 0e */
Bitu result = XMS_GetHandleInformation(reg_dx,reg_bh,reg_bl,reg_dx);
if (result != 0) reg_bl = result;
reg_ax = (result==0);
}; break;
case XMS_RESIZE_EXTENDED_MEMORY_BLOCK: /* 0f */
reg_bl = XMS_ResizeMemory(reg_dx, reg_bx);
reg_ax = (reg_bl==0);
@ -380,10 +382,15 @@ Bitu XMS_Handler(void) {
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
reg_eax &= 0xffff;
reg_edx &= 0xffff;
reg_ecx = (MEM_TotalPages()*MEM_PAGESIZE)-1; // highest known physical memory address
break;
case XMS_GET_EMB_HANDLE_INFORMATION_EXT: {
Bitu result = XMS_GetHandleInformation(reg_dx,reg_bh,reg_bl,reg_dx);
if (result != 0) reg_bl = result; else reg_edx &= 0xFFFF;
reg_ax = (result==0);
} break;
default:
LOG(LOG_MISC,LOG_ERROR)("XMS: unknown function %02X",reg_ah);
reg_ax=0;