mouse32.h File Reference

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Classes
struct	_MOUSE_USER_HANDLER
struct	_MOUSE_DRIVER_STATE

Macros
#define	MOUSE_VERSION   MAKEWORD(0x26, 0x06)
#define	DOS_MOUSE_INTERRUPT   0x33
#define	MOUSE_IRQ_INT   0x74
#define	MOUSE_MAX_HORIZ   640
#define	MOUSE_MAX_VERT   200

Typedefs
typedef struct _MOUSE_USER_HANDLER	MOUSE_USER_HANDLER
typedef struct _MOUSE_USER_HANDLER *	PMOUSE_USER_HANDLER
typedef struct _MOUSE_DRIVER_STATE	MOUSE_DRIVER_STATE
typedef struct _MOUSE_DRIVER_STATE *	PMOUSE_DRIVER_STATE

Enumerations
enum	{ MOUSE_BUTTON_LEFT , MOUSE_BUTTON_RIGHT , MOUSE_BUTTON_MIDDLE , NUM_MOUSE_BUTTONS }

Functions
BOOLEAN	DosMouseInitialize (VOID)
VOID	DosMouseCleanup (VOID)

Macro Definition Documentation

DOS_MOUSE_INTERRUPT

#define DOS_MOUSE_INTERRUPT   0x33

Definition at line 19 of file mouse32.h.

MOUSE_IRQ_INT

#define MOUSE_IRQ_INT   0x74

Definition at line 20 of file mouse32.h.

MOUSE_MAX_HORIZ

#define MOUSE_MAX_HORIZ   640

Definition at line 21 of file mouse32.h.

MOUSE_MAX_VERT

#define MOUSE_MAX_VERT   200

Definition at line 22 of file mouse32.h.

MOUSE_VERSION

#define MOUSE_VERSION   MAKEWORD(0x26, 0x06)

Definition at line 17 of file mouse32.h.

Typedef Documentation

MOUSE_DRIVER_STATE

typedef struct _MOUSE_DRIVER_STATE MOUSE_DRIVER_STATE

MOUSE_USER_HANDLER

typedef struct _MOUSE_USER_HANDLER MOUSE_USER_HANDLER

PMOUSE_DRIVER_STATE

typedef struct _MOUSE_DRIVER_STATE * PMOUSE_DRIVER_STATE

PMOUSE_USER_HANDLER

typedef struct _MOUSE_USER_HANDLER * PMOUSE_USER_HANDLER

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
MOUSE_BUTTON_LEFT
MOUSE_BUTTON_RIGHT
MOUSE_BUTTON_MIDDLE
NUM_MOUSE_BUTTONS

Definition at line 24 of file mouse32.h.

{
    MOUSE_BUTTON_LEFT,
    MOUSE_BUTTON_RIGHT,
    MOUSE_BUTTON_MIDDLE,
    NUM_MOUSE_BUTTONS
};

Function Documentation

DosMouseCleanup()

VOID DosMouseCleanup

(

VOID

)

Definition at line 1296 of file mouse32.c.

{
    if (DriverState.ShowCount > 0) EraseMouseCursor();
    DosMouseDisable();
    // UCHAR BH = getBH();
    // setBH(0x00);
    // BiosPs2Service(0x00);
    // FIXME: Check for return status in AH and CF
    // setBH(BH);
 
    /* Restore the old mouse service interrupt handler */
    ((PDWORD)BaseAddress)[DOS_MOUSE_INTERRUPT] = OldIntHandler;
 
    DosFreeMemory(MouseDataSegment);
    MouseDataSegment = 0;
    MouseData = 0;
}

DosMouseInitialize()

BOOLEAN DosMouseInitialize

(

VOID

)

Definition at line 1260 of file mouse32.c.

{
    /* Initialize some memory for storing our data that should be available to DOS */
    MouseDataSegment = DosAllocateMemory(sizeof(MOUSE_DRIVER), NULL);
    if (MouseDataSegment == 0) return FALSE;
    MouseData = (PMOUSE_DRIVER)SEG_OFF_TO_PTR(MouseDataSegment, 0x0000);
 
    /* Initialize the callback context */
    InitializeContext(&MouseContext, MouseDataSegment, FIELD_OFFSET(MOUSE_DRIVER, MouseContextScratch));
 
    /* Clear the state */
    RtlZeroMemory(&DriverState, sizeof(DriverState));
 
    /* Mouse Driver Copyright */
    RtlCopyMemory(MouseData->Copyright, MouseCopyright, sizeof(MouseCopyright)-1);
 
    /* Mouse Driver Version in BCD format, compatible MS-MOUSE */
    MouseData->Version = MAKEWORD(MOUSE_VERSION/0x0100, MOUSE_VERSION%0x0100);
 
    /* Get the old mouse service interrupt handler */
    OldIntHandler = ((PDWORD)BaseAddress)[DOS_MOUSE_INTERRUPT];
 
    /* Initialize the interrupt handler */
    RegisterInt32(MAKELONG(FIELD_OFFSET(MOUSE_DRIVER, MouseDosInt16Stub), MouseDataSegment),
                  DOS_MOUSE_INTERRUPT, DosMouseService, NULL);
 
    DosMouseEnable();
    // UCHAR BH = getBH();
    // setBH(0x01);
    // BiosPs2Service(0x00);
    // FIXME: Check for return status in AH and CF
    // setBH(BH);
 
    return TRUE;
}

Referenced by DosStart().