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fixed calculation of memory address

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svn path=/trunk/; revision=10228
This commit is contained in:
Thomas Bluemel 2004-07-19 17:55:33 +00:00
parent de32ec78dc
commit 7497d9c86e
1 changed files with 6 additions and 6 deletions
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12
reactos/drivers/video/videoprt/int10.c
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@ -18,7 +18,7 @@
* If not, write to the Free Software Foundation, * If not, write to the Free Software Foundation,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* *
* $Id: int10.c,v 1.6 2004/06/18 17:20:49 navaraf Exp $ * $Id: int10.c,v 1.7 2004/07/19 17:55:33 weiden Exp $
*/ */
#include "videoprt.h" #include "videoprt.h"
@ -63,10 +63,10 @@ IntInt10AllocateBuffer(
} }
*Seg = (ULONG)MemoryAddress >> 4; *Seg = (ULONG)MemoryAddress >> 4;
*Off = (ULONG)MemoryAddress & 0xFF; *Off = (ULONG)MemoryAddress & 0xF;
DPRINT("- Segment: %x\n", (ULONG)MemoryAddress >> 4); DPRINT("- Segment: %x\n", (ULONG)MemoryAddress >> 4);
DPRINT("- Offset: %x\n", (ULONG)MemoryAddress & 0xFF); DPRINT("- Offset: %x\n", (ULONG)MemoryAddress & 0xF);
DPRINT("- Length: %x\n", *Length); DPRINT("- Length: %x\n", *Length);
IntDetachFromCSRSS(&CallingProcess, &PrevAttachedProcess); IntDetachFromCSRSS(&CallingProcess, &PrevAttachedProcess);
@ -80,7 +80,7 @@ IntInt10FreeBuffer(
IN USHORT Seg, IN USHORT Seg,
IN USHORT Off) IN USHORT Off)
{ {
PVOID MemoryAddress = (PVOID)((Seg << 4) + Off); PVOID MemoryAddress = (PVOID)((Seg << 4) | Off);
NTSTATUS Status; NTSTATUS Status;
PEPROCESS CallingProcess; PEPROCESS CallingProcess;
PEPROCESS PrevAttachedProcess; PEPROCESS PrevAttachedProcess;
@ -115,7 +115,7 @@ IntInt10ReadMemory(
DPRINT("- Length: %x\n", Length); DPRINT("- Length: %x\n", Length);
IntAttachToCSRSS(&CallingProcess, &PrevAttachedProcess); IntAttachToCSRSS(&CallingProcess, &PrevAttachedProcess);
RtlCopyMemory(Buffer, (PVOID)((Seg << 4) + Off), Length); RtlCopyMemory(Buffer, (PVOID)((Seg << 4) | Off), Length);
IntDetachFromCSRSS(&CallingProcess, &PrevAttachedProcess); IntDetachFromCSRSS(&CallingProcess, &PrevAttachedProcess);
return NO_ERROR; return NO_ERROR;
@ -139,7 +139,7 @@ IntInt10WriteMemory(
DPRINT("- Length: %x\n", Length); DPRINT("- Length: %x\n", Length);
IntAttachToCSRSS(&CallingProcess, &PrevAttachedProcess); IntAttachToCSRSS(&CallingProcess, &PrevAttachedProcess);
RtlCopyMemory((PVOID)((Seg << 4) + Off), Buffer, Length); RtlCopyMemory((PVOID)((Seg << 4) | Off), Buffer, Length);
IntDetachFromCSRSS(&CallingProcess, &PrevAttachedProcess); IntDetachFromCSRSS(&CallingProcess, &PrevAttachedProcess);
return NO_ERROR; return NO_ERROR;