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New execute and saving DTA in psp when settings it.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@273
This commit is contained in:
Sjoerd van der Berg 2002-09-16 13:11:37 +00:00
parent af67029cdc
commit ec35911b9c
1 changed files with 7 additions and 10 deletions
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17
src/dos/dos.cpp
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@ -284,9 +284,12 @@ static Bitu DOS_21Handler(void) {
reg_al=DOS_GetDefaultDrive();
break;
case 0x1a: /* Set Disk Transfer Area Address */
dos.dta=RealMakeSeg(ds,reg_dx);
{
dos.dta=RealMakeSeg(ds,reg_dx);
DOS_PSP psp(dos.psp);
psp.SetDTA(dos.dta);
}
break;
case 0x1c: /* Get allocation info for specific drive */
LOG_DEBUG("DOS: Allocation Info call not supported correctly");
SegSet16(ds,0xf000);
@ -535,7 +538,6 @@ static Bitu DOS_21Handler(void) {
break;
}
case 0x43: /* Get/Set file attributes */
//TODO FIX THIS HACK
MEM_StrCopy(SegPhys(ds)+reg_dx,name1,DOSNAMEBUF);
switch (reg_al)
case 0x00: /* Get */
@ -580,7 +582,6 @@ static Bitu DOS_21Handler(void) {
}
break;
case 0x47: /* CWD Get current directory */
//TODO Memory
if (DOS_GetCurrentDir(reg_dl,name1)) {
MEM_BlockWrite(SegPhys(ds)+reg_si,name1,strlen(name1)+1);
reg_ax=0x0100;
@ -626,9 +627,7 @@ static Bitu DOS_21Handler(void) {
case 0x4b: /* EXEC Load and/or execute program */
{
MEM_StrCopy(SegPhys(ds)+reg_dx,name1,DOSNAMEBUF);
if (DOS_Execute(name1,(ParamBlock *)Phys2Host(SegPhys(es)+reg_bx),reg_al)) {
CALLBACK_SCF(false);
} else {
if (!DOS_Execute(name1,(ParamBlock *)Phys2Host(SegPhys(es)+reg_bx),reg_al)) {
reg_ax=dos.errorcode;
CALLBACK_SCF(true);
}
@ -638,9 +637,7 @@ static Bitu DOS_21Handler(void) {
case 0x4c: /* EXIT Terminate with return code */
{
if (DOS_Terminate(false)) {
dos.return_code=reg_al;
dos.return_mode=RETURN_EXIT;
CALLBACK_SCF(false);
/* This can't ever return false normally */
} else {
reg_ax=dos.errorcode;
CALLBACK_SCF(true);