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[NTVDM]:

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- INT 15h offers some "OS hooks" that do nothing normally but return success.
- Stub "Switch to protected mode" INT 15h AH=89h function.

svn path=/trunk/; revision=65448
This commit is contained in:
Hermès Bélusca-Maïto 2014-11-22 19:18:23 +00:00
parent 9f8411bf3a
commit ec34daaa0a
1 changed files with 24 additions and 0 deletions
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24
reactos/subsystems/ntvdm/bios/bios32/bios32.c
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@ -151,6 +151,19 @@ static VOID WINAPI BiosMiscService(LPWORD Stack)
{
switch (getAH())
{
/* OS Hooks for Multitasking */
case 0x80: // Device Open
case 0x81: // Device Close
case 0x82: // Program Termination
case 0x90: // Device Busy
case 0x91: // Device POST
{
/* Return success by default */
setAH(0x00);
Stack[STACK_FLAGS] &= ~EMULATOR_FLAG_CF;
break;
}
/* Keyboard intercept */
case 0x4F:
{
@ -234,6 +247,15 @@ static VOID WINAPI BiosMiscService(LPWORD Stack)
break;
}
/* Switch to Protected Mode */
case 0x89:
{
DPRINT1("BIOS INT 15h, AH=89h \"Switch to Protected Mode\" is UNIMPLEMENTED");
Stack[STACK_FLAGS] |= EMULATOR_FLAG_CF;
break;
}
/* Get Configuration */
case 0xC0:
{
@ -255,6 +277,8 @@ static VOID WINAPI BiosMiscService(LPWORD Stack)
// Stack[STACK_FLAGS] &= ~EMULATOR_FLAG_CF;
// setES(???);
UNIMPLEMENTED;
/* We do not support EBDA yet */
Stack[STACK_FLAGS] |= EMULATOR_FLAG_CF;