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[NTVDM]

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Implement motion counters in the mouse BIOS.


svn path=/trunk/; revision=64136
This commit is contained in:
Aleksandar Andrejevic 2014-09-13 21:50:23 +00:00
parent 7b9ecd8232
commit 75c869d7b5
2 changed files with 49 additions and 1 deletions
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46
reactos/subsystems/ntvdm/bios/bios32/moubios32.c
View file

@ -85,8 +85,11 @@ static VOID WINAPI BiosMouseService(LPWORD Stack)
/* Reset Driver */
case 0x00:
{
SHORT i;
DriverEnabled = TRUE;
DriverState.ShowCount = 0;
DriverState.ButtonState = 0;
/* Set the default text cursor */
DriverState.TextCursor.ScreenMask = 0xFFFF; /* Display everything */
@ -130,6 +133,18 @@ static VOID WINAPI BiosMouseService(LPWORD Stack)
DriverState.GraphicsCursor.CursorMask[14] = 0x0030; // 0000000000110000
DriverState.GraphicsCursor.CursorMask[15] = 0x0000; // 0000000000000000
/* Initialize the counters */
DriverState.HorizCount = DriverState.VertCount = 0;
for (i = 0; i < NUM_MOUSE_BUTTONS; i++)
{
DriverState.PressCount[i] = DriverState.ReleaseCount[i] = 0;
}
/* Initialize the resolution */
DriverState.MickeysPerCellHoriz = 8;
DriverState.MickeysPerCellVert = 16;
/* Return mouse information */
setAX(0xFFFF); // Hardware & driver installed
setBX(NUM_MOUSE_BUTTONS);
@ -240,6 +255,27 @@ static VOID WINAPI BiosMouseService(LPWORD Stack)
break;
}
/* Read Motion Counters */
case 0x0B:
{
setCX(DriverState.HorizCount);
setDX(DriverState.VertCount);
/* Reset the counters */
DriverState.HorizCount = DriverState.VertCount = 0;
break;
}
/* Define Mickey/Pixel Ratio */
case 0x0F:
{
DriverState.MickeysPerCellHoriz = getCX();
DriverState.MickeysPerCellVert = getDX();
break;
}
/* Return Driver Storage Requirements */
case 0x15:
{
@ -289,7 +325,15 @@ static VOID WINAPI BiosMouseService(LPWORD Stack)
VOID MouseBiosUpdatePosition(PCOORD NewPosition)
{
if (DriverEnabled && (DriverState.ShowCount > 0))
SHORT DeltaX = NewPosition->X - DriverState.Position.X;
SHORT DeltaY = NewPosition->Y - DriverState.Position.Y;
if (!DriverEnabled) return;
DriverState.HorizCount += (DeltaX * (SHORT)DriverState.MickeysPerCellHoriz) / 8;
DriverState.VertCount += (DeltaY * (SHORT)DriverState.MickeysPerCellVert) / 8;
if (DriverState.ShowCount > 0)
{
EraseMouseCursor();
DriverState.Position = *NewPosition;

4
reactos/subsystems/ntvdm/bios/bios32/moubios32.h
View file

@ -35,6 +35,10 @@ typedef struct _MOUSE_DRIVER_STATE
COORD LastPress[NUM_MOUSE_BUTTONS];
WORD ReleaseCount[NUM_MOUSE_BUTTONS];
COORD LastRelease[NUM_MOUSE_BUTTONS];
SHORT HorizCount;
SHORT VertCount;
WORD MickeysPerCellHoriz;
WORD MickeysPerCellVert;
struct
{