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disable ems/xms/umb on booting

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2540
This commit is contained in:
Peter Veenstra 2006-03-12 21:12:20 +00:00
parent 2a9ea0299f
commit 46e1cb9a37
1 changed files with 16 additions and 2 deletions
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18
src/dos/dos_programs.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: dos_programs.cpp,v 1.55 2006-02-28 15:13:00 qbix79 Exp $ */
/* $Id: dos_programs.cpp,v 1.56 2006-03-12 21:12:20 qbix79 Exp $ */
#include <stdlib.h>
#include <string.h>
@ -389,9 +389,21 @@ private:
WriteOut(MSG_Get("PROGRAM_BOOT_PRINT_ERROR"));
}
void disable_umb_ems_xms(void) {
Section* dos_sec = control->GetSection("dos");
dos_sec->ExecuteDestroy(false);
char test[20];
strcpy(test,"umb=false");
dos_sec->HandleInputline(test);
strcpy(test,"xms=false");
dos_sec->HandleInputline(test);
strcpy(test,"ems=false");
dos_sec->HandleInputline(test);
dos_sec->ExecuteInit(false);
}
public:
void Run(void) {
FILE *usefile;
Bitu i;
@ -453,6 +465,7 @@ public:
if ((bootarea.rawdata[0]==0x50) && (bootarea.rawdata[1]==0x43) && (bootarea.rawdata[2]==0x6a) && (bootarea.rawdata[3]==0x72)) {
if (machine!=MCH_PCJR) WriteOut(MSG_Get("PROGRAM_BOOT_CART_WO_PCJR"));
else {
disable_umb_ems_xms();
Bit8u rombuf[65536];
fseek(usefile,0x200L, SEEK_SET);
fread(rombuf, 1, rombytesize-0x200, usefile);
@ -474,6 +487,7 @@ public:
reg_ip = mem_readw(0x60);
}
} else {
disable_umb_ems_xms();
WriteOut(MSG_Get("PROGRAM_BOOT_BOOT"), drive);
for(i=0;i<512;i++) real_writeb(0, 0x7c00 + i, bootarea.rawdata[i]);