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Slightly better support for ioctl function 0x6

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1097
This commit is contained in:
Sjoerd van der Berg 2003-07-08 16:51:26 +00:00
parent 569fd602d1
commit 9bbec94977
1 changed files with 9 additions and 8 deletions
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17
src/dos/dos_ioctl.cpp
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@ -40,8 +40,16 @@ bool DOS_IOCTL(void) {
case 0x00: /* Get Device Information */
reg_dx=Files[handle]->GetInformation();
return true;
case 0x06: /* Get Input Status */
if (Files[handle]->GetInformation() & 0x8000) { //Check for device
reg_al=(Files[handle]->GetInformation() & 0x40) ? 0xff : 0;
} else {
LOG(LOG_IOCTL,LOG_NORMAL)("06:Unsupported File handle %d",handle);
reg_al=0xff;
}
return true;
case 0x07: /* Get Output Status */
LOG(LOG_IOCTL,LOG_NORMAL)("DOS:IOCTL:07:Fakes output status is ready for handle %d",handle);
LOG(LOG_IOCTL,LOG_NORMAL)("07:Fakes output status is ready for handle %d",handle);
reg_al=0xff;
return true;
case 0x08: /* Check if block device removable */
@ -93,13 +101,6 @@ bool DOS_IOCTL(void) {
return false;
}
break;
case 0x06: /* Get Input Status */
if(reg_bx==0x00) { /* might work for other handles, but tested it only for STDIN */
if(Files[handle]->GetInformation() & 0x40) reg_al=0x00; else
reg_al=0xFF;
return true;
break;
}
default:
LOG(LOG_DOSMISC,LOG_ERROR)("DOS:IOCTL Call %2X unhandled",reg_al);
return false;