Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-10-05 00:43:21 +00:00
Code Issues Packages Projects Releases Wiki Activity

Was reporting geometry backwards, and needed to add a raw output mode

Browse source 
svn path=/trunk/; revision=1127
This commit is contained in:
Phillip Susi 2000-04-23 17:42:57 +00:00
parent 6ac6c50282
commit 4f6c860da3
1 changed files with 85 additions and 78 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

19
reactos/drivers/dd/blue/blue.c
View file

@ -1,4 +1,4 @@
/* $Id: blue.c,v 1.20 2000/02/24 13:16:40 ekohl Exp $
/* $Id: blue.c,v 1.21 2000/04/23 17:42:57 phreak Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -157,15 +157,15 @@ NTSTATUS
ScrWrite (PDEVICE_OBJECT DeviceObject, PIRP Irp)
{
PIO_STACK_LOCATION stk = IoGetCurrentIrpStackLocation (Irp);
PDEVICE_EXTENSION DeviceExtension;
PDEVICE_EXTENSION DeviceExtension = DeviceObject->DeviceExtension;
NTSTATUS Status;
char *pch = Irp->UserBuffer;
char *vidmem;
int i, j, offset;
int cursorx, cursory;
int rows, columns;
int processed = DeviceExtension->Mode & ENABLE_PROCESSED_OUTPUT;
DeviceExtension = DeviceObject->DeviceExtension;
vidmem = DeviceExtension->VideoMemory;
rows = DeviceExtension->Rows;
columns = DeviceExtension->Columns;
@ -178,6 +178,13 @@ ScrWrite (PDEVICE_OBJECT DeviceObject, PIRP Irp)
cursory = offset / columns;
cursorx = offset % columns;
if( processed == 0 )
{
/* raw output mode */
memcpy( &vidmem[(cursorx * 2) + (cursory * columns * 2)], pch, stk->Parameters.Write.Length );
offset += (stk->Parameters.Write.Length / 2);
}
else {
for (i = 0; i < stk->Parameters.Write.Length; i++, pch++)
{
switch (*pch)
@ -254,7 +261,7 @@ ScrWrite (PDEVICE_OBJECT DeviceObject, PIRP Irp)
/* Set the cursor position */
offset = (cursory * columns) + cursorx;
}
WRITE_PORT_UCHAR (CRTC_COMMAND, CRTC_CURSORPOSLO);
WRITE_PORT_UCHAR (CRTC_DATA, offset);
WRITE_PORT_UCHAR (CRTC_COMMAND, CRTC_CURSORPOSHI);
@ -296,8 +303,8 @@ ScrIoControl (PDEVICE_OBJECT DeviceObject, PIRP Irp)
offset += (READ_PORT_UCHAR (CRTC_DATA) << 8);
__asm__("sti\n\t");
pcsbi->dwSize.X = rows;
pcsbi->dwSize.Y = columns;
pcsbi->dwSize.X = columns;
pcsbi->dwSize.Y = rows;
pcsbi->dwCursorPosition.X = (SHORT)(offset % columns);
pcsbi->dwCursorPosition.Y = (SHORT)(offset / columns);