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add program to load external graphics bioses

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3060
This commit is contained in:
Sebastian Strohhäcker 2007-12-11 21:25:14 +00:00
parent 0dba278956
commit 7473dabb3d
1 changed files with 59 additions and 2 deletions
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61
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 1.79 2007-11-01 12:15:34 qbix79 Exp $ */
/* $Id: dos_programs.cpp,v 1.80 2007-12-11 21:25:14 c2woody Exp $ */
#include "dosbox.h"
#include <stdlib.h>
@ -756,12 +756,66 @@ public:
}
};
static void BOOT_ProgramStart(Program * * make) {
*make=new BOOT;
}
#if C_DEBUG
class LDGFXROM : public Program {
public:
void Run(void) {
if (!(cmd->FindCommand(1, temp_line))) return;
Bit8u drive;
char fullname[DOS_PATHLENGTH];
localDrive* ldp=0;
if (!DOS_MakeName((char *)temp_line.c_str(),fullname,&drive)) return;
try {
ldp=dynamic_cast<localDrive*>(Drives[drive]);
if(!ldp) return;
FILE *tmpfile = ldp->GetSystemFilePtr(fullname, "rb");
if(tmpfile == NULL) {
LOG_MSG("BIOS file not accessible.");
return;
}
fseek(tmpfile, 0L, SEEK_END);
if (ftell(tmpfile)>0x10000) {
LOG_MSG("BIOS file too large.");
return;
}
fseek(tmpfile, 0L, SEEK_SET);
PhysPt rom_base=PhysMake(0xc000,0);
Bit8u vga_buffer[0x10000];
Bitu data_written=0;
Bitu data_read=fread(vga_buffer, 1, 0x10000, tmpfile);
for (Bitu ct=0; ct<data_read; ct++) {
phys_writeb(rom_base+(data_written++),vga_buffer[ct]);
}
fclose(tmpfile);
rom_base=PhysMake(0xf000,0);
phys_writeb(rom_base+0xf065,0xcf);
}
catch(...) {
return;
}
reg_flags&=~FLAG_IF;
CALLBACK_RunRealFar(0xc000,0x0003);
}
};
static void LDGFXROM_ProgramStart(Program * * make) {
*make=new LDGFXROM;
}
#endif
// LOADFIX
@ -1453,6 +1507,9 @@ void DOS_SetupPrograms(void) {
PROGRAMS_MakeFile("RESCAN.COM",RESCAN_ProgramStart);
PROGRAMS_MakeFile("INTRO.COM",INTRO_ProgramStart);
PROGRAMS_MakeFile("BOOT.COM",BOOT_ProgramStart);
#if C_DEBUG
PROGRAMS_MakeFile("LDGFXROM.COM", LDGFXROM_ProgramStart);
#endif
PROGRAMS_MakeFile("IMGMOUNT.COM", IMGMOUNT_ProgramStart);
PROGRAMS_MakeFile("KEYB.COM", KEYB_ProgramStart);
}