> - int 2f.4a00.cx=0 the kernel has to call this before it displays
> the "Insert diskette for drive B:" (or A:...) message, to let
> Win3 and the like show a GUI dialog instead of the message, DOS 5.0
seems to have been lost; should be
STATIC WORD play_dj(ddt * pddt)
{
/* play the DJ ... */
if ((pddt->ddt_descflags & (DF_MULTLOG | DF_CURLOG)) == DF_MULTLOG)
{
int i;
ddt *pddt2 = getddt(0);
for (i = 0; i < blk_dev.dh_name[0]; i++, pddt2++)
{
if (pddt->ddt_driveno == pddt2->ddt_driveno &&
(pddt2->ddt_descflags & (DF_MULTLOG | DF_CURLOG)) ==
(DF_MULTLOG | DF_CURLOG))
break;
}
if (i == blk_dev.dh_name[0])
{
put_string("Error in the DJ mechanism!\n"); /* should not happen! */
}
else
{
/* according to RBIL (te 22 jul 04) */
iregs r;
r.a.x = 0x4a00;
r.c.x = 0x0000;
r.d.b.l = pddt->ddt_logdriveno;
r.d.b.h = pddt2->ddt_logdriveno;
intr(0x2f,&r);
if (r.c.x == 0xffff)
{
/* someone else makes a nice dialog */
}
else
{
template_string[DRIVE_POS] = 'A' + pddt2->ddt_logdriveno;
put_string(template_string);
put_string("Insert");
template_string[DRIVE_POS] = 'A' + pddt->ddt_logdriveno;
put_string(template_string + 6);
put_string("Press the any key to continue ... \n");
fl_readkey();
}
pddt2->ddt_descflags &= ~DF_CURLOG;
pddt->ddt_descflags |= DF_CURLOG;
pokeb(0, 0x504, pddt->ddt_logdriveno);
}
return M_CHANGED;
}
return M_NOT_CHANGED;
}
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