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[NTVDM:BIOS]

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Properly implement INT 15h, AH = 86h.


svn path=/trunk/; revision=72481
This commit is contained in:
Aleksandar Andrejevic 2016-08-28 02:00:10 +00:00
parent fd7db0e65b
commit c93742a831
1 changed files with 23 additions and 6 deletions
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29
reactos/subsystems/mvdm/ntvdm/bios/bios32/bios32.c
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@ -327,14 +327,31 @@ static VOID WINAPI BiosMiscService(LPWORD Stack)
* See Ralf Brown: http://www.ctyme.com/intr/rb-1525.htm
* for more information.
*/
LARGE_INTEGER TimeOut;
TimeOut.QuadPart = MAKELONG(getDX(), getCX()) * -10LL;
// HACK: For now, use the NT API (time in hundreds of nanoseconds).
NtDelayExecution(FALSE, &TimeOut);
static ULONG CompletionTime = 0;
/* Check if we're already looping */
if (getCF())
{
if (GetTickCount() >= CompletionTime)
{
/* Stop looping */
setCF(0);
/* Clear the CF on the stack too */
Stack[STACK_FLAGS] &= ~EMULATOR_FLAG_CF;
}
}
else
{
/* Set the CF on the stack */
Stack[STACK_FLAGS] |= EMULATOR_FLAG_CF;
/* Set the completion time and start looping */
CompletionTime = GetTickCount() + (MAKELONG(getDX(), getCX()) / 1000);
setCF(1);
}
/* Clear CF */
Stack[STACK_FLAGS] &= ~EMULATOR_FLAG_CF;
break;
}