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fixed bugs with bplist and debug.com (allocate stack space)

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@463
This commit is contained in:
Ulf Wohlers 2002-10-30 14:41:50 +00:00
parent 63210c1d64
commit 48750dfa8f
1 changed files with 23 additions and 3 deletions
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26
src/debug/debug.cpp
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@ -355,7 +355,7 @@ void CBreakpoint::ShowList(void)
if (bp->GetType()==BKPNT_PHYSICAL) {
PhysPt adr = bp->GetLocation();
wprintw(dbg.win_out,"%02X. BP %04X:%04X\n",nr,bp->GetSegment(),bp->GetOffset);
wprintw(dbg.win_out,"%02X. BP %04X:%04X\n",nr,bp->GetSegment(),bp->GetOffset());
nr++;
} else if (bp->GetType()==BKPNT_INTERRUPT) {
if (bp->GetValue()==BPINT_ALL) wprintw(dbg.win_out,"%02X. BPINT %02X\n",nr,bp->GetIntNr());
@ -993,8 +993,28 @@ public:
strncpy(args,temp_line.c_str(),128);
// Start new shell and execute prog
active = true;
DOS_Shell shell;
shell.Execute(filename,args);
// Save cpu state....
Bit16u oldcs = SegValue(cs);
Bit32u oldeip = reg_eip;
Bit16u oldss = SegValue(ss);
Bit32u oldesp = reg_esp;
// Workaround : Allocate Stack Space
Bit16u segment;
Bit16u size = 0x200 / 0x10;
if (DOS_AllocateMemory(&segment,&size)) {
SegSet16(ss,segment);
reg_sp = 0x200;
// Start shell
DOS_Shell shell;
shell.Execute(filename,args);
DOS_FreeMemory(segment);
}
// set old reg values
SegSet16(ss,oldss);
reg_esp = oldesp;
SegSet16(cs,oldcs);
reg_eip = oldeip;
};
private: