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[NTVDM]

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The DOS CON driver should call INT 29h for output.


svn path=/trunk/; revision=66999
This commit is contained in:
Aleksandar Andrejevic 2015-03-31 03:05:09 +00:00
parent 0f9c01b353
commit 832ce358b3
1 changed files with 5 additions and 15 deletions
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20
reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/condrv.c
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@ -100,29 +100,19 @@ WORD NTAPI ConDrvWriteOutput(PDOS_DEVICE_NODE Device, DWORD Buffer, PWORD Length
WORD BytesWritten;
PCHAR Pointer = (PCHAR)FAR_POINTER(Buffer);
/*
* Use BIOS Teletype function
*/
/* Save AX and BX */
/* Save AX */
USHORT AX = getAX();
USHORT BX = getBX();
// FIXME: Use BIOS Write String function INT 10h, AH=13h ??
for (BytesWritten = 0; BytesWritten < *Length; BytesWritten++)
{
/* Set the parameters */
/* Set the character */
setAL(Pointer[BytesWritten]);
setBL(DOS_CHAR_ATTRIBUTE);
setBH(Bda->VideoPage);
/* Call the BIOS INT 10h, AH=0Eh "Teletype Output" */
setAH(0x0E);
Int32Call(&DosContext, BIOS_VIDEO_INTERRUPT);
/* Call the BIOS INT 29h "Fast Console Output" function */
Int32Call(&DosContext, 0x29);
}
/* Restore AX and BX */
setBX(BX);
/* Restore AX */
setAX(AX);
return DOS_DEVSTAT_DONE;
}