********************************************************************
*               Commodore-Amiga, Inc.                              *
*               prtbase.i                                          *
********************************************************************
********************************************************************
*
*  printer device data definition
*
********************************************************************

   IFND  DEVICES_PRTBASE_I
DEVICES_PRTBASE_I EQU   1

   IFND  EXEC_NODES_I
   INCLUDE  "exec/nodes.i"
   ENDC
   IFND  EXEC_LISTS_I
   INCLUDE  "exec/lists.i"
   ENDC
   IFND  EXEC_PORTS_I
   INCLUDE  "exec/ports.i"
   ENDC
   IFND  EXEC_LIBRARIES_I
   INCLUDE  "exec/libraries.i"
   ENDC
   IFND  EXEC_TASKS_I
   INCLUDE  "exec/tasks.i"
   ENDC

   IFND  DEVICES_PARALLEL_I
   INCLUDE  "devices/parallel.i"
   ENDC
   IFND  DEVICES_SERIAL_I
   INCLUDE  "devices/serial.i"
   ENDC
   IFND  DEVICES_TIMER_I
   INCLUDE  "devices/timer.i"
   ENDC
   IFND  LIBRARIES_DOSEXTENS_I
   INCLUDE  "libraries/dosextens.i"
   ENDC
   IFND  INTUITION_INTUITION_I
   INCLUDE  "intuition/intuition.i"
   ENDC


 STRUCTURE  DeviceData,LIB_SIZE
    APTR dd_Segment           ; A0 when initialized
    APTR dd_ExecBase          ; A6 for exec
    APTR dd_CmdVectors        ; command table for device commands
    APTR dd_CmdBytes          ; bytes describing which command queue
    UWORD   dd_NumCommands    ; the number of commands supported
    LABEL   dd_SIZEOF


*------
*------ device driver private variables ------------------------------
*------
du_Flags EQU   LN_PRI         ; various unit flags

;------ IO_FLAGS
    BITDEF  IO,QUEUED,4       ; command is queued to be performed
    BITDEF  IO,CURRENT,5      ; command is being performed
    BITDEF  IO,SERVICING,6    ; command is being actively performed
    BITDEF  IO,DONE,7         ; command is done

;------ du_Flags
    BITDEF  DU,STOPPED,0      ; commands are not to be performed


*------ Constants ----------------------------------------------------
P_PRIORITY  EQU         0
P_STKSIZE   EQU         $800

*------ pd_Flags ------
   BITDEF   P,IOR0,0          ; IOR0 is in use
   BITDEF   P,IOR1,1          ; IOR1 is in use
   BITDEF   P,EXPUNGED,7      ; device to be expunged when all closed

 STRUCTURE  PrinterData,dd_SIZEOF
    STRUCT  pd_Unit,MP_SIZE   ; the one and only unit
    BPTR pd_PrinterSegment    ; the printer specific segment
    UWORD   pd_PrinterType    ; the segment printer type
    APTR pd_SegmentData       ; the segment data structure
    APTR pd_PrintBuf          ; the raster print buffer
    APTR pd_PWrite            ; the parallel write function
    APTR pd_PBothReady        ; the parallel write function's done

    IFGT IOEXTPar_SIZE-IOEXTSER_SIZE
    STRUCT  pd_IOR0,IOEXTPar_SIZE   ; port I/O request 0
    STRUCT  pd_IOR1,IOEXTPar_SIZE   ;   and 1 for double buffering
    ENDC

    IFLE IOEXTPar_SIZE-IOEXTSER_SIZE
    STRUCT  pd_IOR0,IOEXTSER_SIZE   ; port I/O request 0
    STRUCT  pd_IOR1,IOEXTSER_SIZE   ;   and 1 for double buffering
    ENDC

    STRUCT  pd_TIOR,IOTV_SIZE       ; timer I/O request
    STRUCT  pd_IORPort,MP_SIZE      ;   and message reply port
    STRUCT  pd_TC,TC_SIZE           ; write task
    STRUCT  pd_Stk,P_STKSIZE        ;   and stack space
    UBYTE   pd_Flags                ; device flags
    UBYTE   pd_pad
    STRUCT  pd_Preferences,pf_SIZEOF ; the latest preferences
    UBYTE      pd_PWaitEnabled      ; wait function switch
    LABEL   pd_SIZEOF               ; warning! this may be odd

    BITDEF  PPC,GFX,0
    BITDEF  PPC,COLOR,1

PPC_BWALPHA    EQU   0
PPC_BWGFX      EQU   1
PPC_COLORGFX   EQU   3

PCC_BW         EQU   1
PCC_YMC        EQU   2
PCC_YMC_BW     EQU   3
PCC_YMCB       EQU   4

 STRUCTURE  PrinterExtendedData,0
    APTR    ped_PrinterName   ; printer name, null terminated
    APTR    ped_Init          ; called after LoadSeg
    APTR    ped_Expunge       ; called before UnLoadSeg
    APTR    ped_Open          ; called at OpenDevice
    APTR    ped_Close         ; called at CloseDevice
    UBYTE   ped_PrinterClass  ; printer class
    UBYTE   ped_ColorClass    ; color class
    UBYTE   ped_MaxColumns    ; number of print columns available
    UBYTE   ped_NumCharSets   ; number of character sets
    UWORD   ped_NumRows       ; number of raster rows in a raster dump
    ULONG   ped_MaxXDots      ; number of dots maximum in a raster dump
    ULONG   ped_MaxYDots      ; number of dots maximum in a raster dump
    UWORD   ped_XDotsInch     ; horizontal dot density
    UWORD   ped_YDotsInch     ; vertical dot density
    APTR    ped_Commands      ; printer text command table
    APTR    ped_DoSpecial     ; special command handler
    APTR    ped_Render        ; raster render function
    LONG    ped_TimeoutSecs   ; good write timeout
    LABEL   ped_SIZEOF

 STRUCTURE  PrinterSegment,0
    ULONG   ps_NextSegment    ; (actually a BPTR)
    ULONG   ps_runAlert       ; MOVEQ #0,D0 : RTS
    UWORD   ps_Version        ; segment version
    UWORD   ps_Revision       ; segment revision
    LABEL   ps_PED            ; printer extended data

   ENDC