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Destroy some registers. Pinball world installer. (thanks ripsaw)

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3656
This commit is contained in:
Peter Veenstra 2010-11-06 13:35:32 +00:00
parent bf5bd0610d
commit 480bc0377a
1 changed files with 6 additions and 0 deletions
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6
src/dos/dos.cpp
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@ -362,6 +362,7 @@ static Bitu DOS_21Handler(void) {
break;
case 0x26: /* Create new PSP */
DOS_NewPSP(reg_dx,DOS_PSP(dos.psp()).GetSize());
reg_al=0xf0; /* al destroyed */
break;
case 0x2a: /* Get System Date */
{
@ -523,6 +524,7 @@ static Bitu DOS_21Handler(void) {
case 0x39: /* MKDIR Create directory */
MEM_StrCopy(SegPhys(ds)+reg_dx,name1,DOSNAMEBUF);
if (DOS_MakeDir(name1)) {
reg_ax=0x05; /* ax destroyed */
CALLBACK_SCF(false);
} else {
reg_ax=dos.errorcode;
@ -532,6 +534,7 @@ static Bitu DOS_21Handler(void) {
case 0x3a: /* RMDIR Remove directory */
MEM_StrCopy(SegPhys(ds)+reg_dx,name1,DOSNAMEBUF);
if (DOS_RemoveDir(name1)) {
reg_ax=0x05; /* ax destroyed */
CALLBACK_SCF(false);
} else {
reg_ax=dos.errorcode;
@ -542,6 +545,7 @@ static Bitu DOS_21Handler(void) {
case 0x3b: /* CHDIR Set current directory */
MEM_StrCopy(SegPhys(ds)+reg_dx,name1,DOSNAMEBUF);
if (DOS_ChangeDir(name1)) {
reg_ax=0x00; /* ax destroyed */
CALLBACK_SCF(false);
} else {
reg_ax=dos.errorcode;
@ -568,6 +572,7 @@ static Bitu DOS_21Handler(void) {
break;
case 0x3e: /* CLOSE Close file */
if (DOS_CloseFile(reg_bx)) {
// reg_al=0x01; /* al destroyed. Refcount */
CALLBACK_SCF(false);
} else {
reg_ax=dos.errorcode;
@ -789,6 +794,7 @@ static Bitu DOS_21Handler(void) {
case 0x55: /* Create Child PSP*/
DOS_ChildPSP(reg_dx,reg_si);
dos.psp(reg_dx);
reg_al=0xf0; /* al destroyed */
break;
case 0x56: /* RENAME Rename file */
MEM_StrCopy(SegPhys(ds)+reg_dx,name1,DOSNAMEBUF);