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Make Media ID table relative to DPB table. Fixes Hattrick by Ikarion.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4116
This commit is contained in:
ripsaw8080 2018-06-12 20:52:08 +00:00
parent ff8d4f287f
commit 1afaf28921
5 changed files with 15 additions and 12 deletions
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4
src/dos/dos.cpp
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@ -494,10 +494,10 @@ static Bitu DOS_21Handler(void) {
Bit8u drive=reg_dl;
if (!drive || reg_ah==0x1f) drive = DOS_GetDefaultDrive();
else drive--;
if (Drives[drive]) {
if (drive < DOS_DRIVES && Drives[drive] && !Drives[drive]->isRemovable()) {
reg_al = 0x00;
SegSet16(ds,dos.tables.dpb);
reg_bx = drive;//Faking only the first entry (that is the driveletter)
reg_bx = drive*5;//Faking the first entry (drive number) and media id
LOG(LOG_DOSMISC,LOG_ERROR)("Get drive parameter block.");
} else {
reg_al=0xff;