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

Startup new programs correctly

Browse source 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@149
This commit is contained in:
Sjoerd van der Berg 2002-08-13 04:52:41 +00:00
parent 92ea87eef6
commit d0b600b420
1 changed files with 21 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

32
src/shell/shell_misc.cpp
View file

@ -145,29 +145,39 @@ void DOS_Shell::Execute(char * name,char * args) {
/* Run the .bat file */
bf=new BatchFile(this,fullname,args);
} else {
/* Run the .exe or .com file */
ParamBlock block;
/* Run the .exe or .com file from the shell */
/* Allocate some stack space for tables in physical memory */
reg_sp-=0x200;
//Add Parameter block
DOS_ParamBlock block(Real2Phys(RealMake(Segs[ss].value,reg_sp)));
//Add a filename
RealPt file_name=RealMake(Segs[ss].value,reg_sp+0x20);
MEM_BlockWrite(Real2Phys(file_name),fullname,strlen(fullname)+1);
/* Fill the command line */
CommandTail cmd;
if (strlen(args)>126) args[126]=0;
cmd.count=strlen(args);
memcpy(cmd.buffer,args,strlen(args));
cmd.buffer[strlen(args)]=0xd;
MEM_BlockWrite(real_phys(prog_info->psp_seg,128),&cmd,128);
block.exec.cmdtail=RealMake(prog_info->psp_seg,128);
block.exec.envseg=0;
block.exec.fcb1=0;
block.exec.fcb2=0;
block.InitExec(RealMake(prog_info->psp_seg,128));
/* Save CS:IP to some point where i can return them from */
RealPt newcsip;
newcsip=CALLBACK_RealPointer(call_shellstop);
SetSegment_16(cs,RealSeg(newcsip));
reg_ip=RealOff(newcsip);
DOS_Execute(fullname,&block,0);
DOSBOX_RunMachine();
Bit16u blah=0;
/* Start up a dos execute interrupt */
reg_ax=0x4b00;
//Filename pointer
SetSegment_16(ds,Segs[ss].value);
reg_dx=RealOff(file_name);
//Paramblock
SetSegment_16(es,Segs[ss].value);
reg_bx=reg_sp;
flags.intf=false;
CALLBACK_RunRealInt(0x21);
reg_sp+=0x200;
}