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00024 #define DATA_PORT_OFFSET        0
00025 #define STATUS_PORT_OFFSET      1
00026 #define CONTROL_PORT_OFFSET     2
00027 
00028 #define LPT1_PORT_STATUS        0x3bd
00029 #define LPT2_PORT_STATUS        0x379
00030 #define LPT3_PORT_STATUS        0x279
00031 #define LPT_MASK                0xff0
00032 #define IRQ                     0x10
00033 
00034 #define NOTBUSY                 0x80
00035 #define HOST_LPT_BUSY           (1 << 0)
00036 #define STATUS_REG_MASK         0x07
00037 
00038 #define get_status(adap)        (*(PUCHAR)((ULONG)(((PVDM_PROCESS_OBJECTS)(PsGetCurrentProcess()->VdmObjects))->PrinterStatus)+(ULONG)adap))
00039 #define get_control(adap)       (*(PUCHAR)((ULONG)(((PVDM_PROCESS_OBJECTS)(PsGetCurrentProcess()->VdmObjects))->PrinterControl)+(ULONG)adap))
00040 #define host_lpt_status(adap)   (*(PUCHAR)((ULONG)(((PVDM_PROCESS_OBJECTS)(PsGetCurrentProcess()->VdmObjects))->PrinterHostState)+(ULONG)adap))
00041 #define set_status(adap,val)    *(PUCHAR)((ULONG)(((PVDM_PROCESS_OBJECTS)(PsGetCurrentProcess()->VdmObjects))->PrinterStatus)+(ULONG)adap) =  val
00042 
00043 
00044 
extern NTSTATUS PspSetProcessIoHandlers(
00045     IN 
PEPROCESS Process,
00046     IN PVOID IoHandlerInformation,
00047     IN ULONG IoHandlerLength
00048     );
00049 
extern NTSTATUS VdmFlushPrinterWriteData(USHORT Adapter);