********************************************************************
*               Commodore-Amiga, Inc.                              *
*               parallel.i                                         *
********************************************************************
********************************************************************
*
* external declarations for Parallel Port Driver
*
* SOURCE CONTROL
* ------ -------
* $Header: parallel.i,v 25.0 85/03/27 19:14:15 tomp Exp $
*
* $Locker:  $
*
********************************************************************

    IFND     DEVICES_PARALLEL_I
DEVICES_PARALLEL_I SET 1

    IFND     EXEC_STRINGS_I
    include 'exec/strings.i'
    ENDC    !EXEC_STRINGS_I

    IFND     EXEC_IO_I
    include 'exec/io.i'
    ENDC    !EXEC_IO_I

*--------------------------------------------------------------------
*
* Driver error definitions
*
*--------------------------------------------------------------------

ParErr_DevBusy          EQU   1
ParErr_BufTooBig        EQU   2
ParErr_InvParam         EQU   3
ParErr_LineErr          EQU   4
ParErr_NotOpen          EQU   5
ParErr_PortReset        EQU   6
ParErr_InitErr          EQU   7

*--------------------------------------------------------------------
*
* Useful constants
*
*--------------------------------------------------------------------
*
PDCMD_QUERY             EQU   CMD_NONSTD 
PDCMD_SETPARAMS         EQU   CMD_NONSTD+1
Par_DEVFINISH           EQU   10    ; number of device comands 
*
*--------------------------------------------------------------------
*
* Driver Specific Commands
*
*--------------------------------------------------------------------

*-- PARALLELNAME is a generic macro to get the name of the driver.  This
*-- way if the name is ever changed you will pick up the change
*-- automatically.
*--
*-- Normal usage would be:
*--
*-- internalName: PARALLELNAME
*--

PARALLELNAME:  MACRO
      STRING   'parallel.device'
      ENDM

      BITDEF   PAR,SHARED,5      ; PARFLAGS non-exclusive access
      BITDEF   PAR,RAD_BOOGIE,3  ;    "     (not yet implemented)
      BITDEF   PAR,EOFMODE,1     ;    "     EOF mode enabled bit
      BITDEF   IOPAR,QUEUED,6    ; IO_FLAGS rqst-queued bit
      BITDEF   IOPAR,ABORT,5     ;    "     rqst-aborted bit
      BITDEF   IOPAR,ACTIVE,4    ;    "     rqst-qued-or-current bit
      BITDEF   IOPT,RWDIR,3      ; IO_STATUS read=0,write=1
      BITDEF   IOPT,PBUSY,2      ;    "     printer in busy toggle
      BITDEF   IOPT,PAPEROUT,1   ;    "     paper out
      BITDEF   IOPT,PSEL,0       ;    "     printer selected
*
*
************************************************************************

 STRUCTURE PTERMARRAY,0
        ULONG    PTERMARRAY_0
        ULONG    PTERMARRAY_1
        LABEL    PTERMARRAY_SIZE

*****************************************************************
*  CAUTION !!!  IF YOU ACCESS the parallel.device, you MUST (!!!!) use an
*  IOEXTPAR-sized structure or you may overlay innocent memory, okay ?!   
***************************************************************** 
  
 STRUCTURE IOEXTPAR,IOSTD_SIZE

*     STRUCT   MsgNode
*   0   APTR     Succ
*   4   APTR     Pred
*   8   UBYTE    Type
*   9   UBYTE    Pri
*   A   APTR     Name
*   E   APTR     ReplyPort
*  12   UWORD    MNLength
*     STRUCT   IOExt
*  14   APTR     IO_DEVICE
*  18   APTR     IO_UNIT
*  1C   UWORD    IO_COMMAND
*  1E   UBYTE    IO_FLAGS
*  1F   UBYTE    IO_ERROR
*     STRUCT   IOStdExt
*  20   ULONG    IO_ACTUAL
*  24   ULONG    IO_LENGTH
*  28   APTR     IO_DATA
*  2C   ULONG    IO_OFFSET
*
*
*  30
      ULONG    IO_PEXTFLAGS         ; (not used) flag extension area
      UBYTE    IO_PARSTATUS         ; device status (see bit defs above)
      UBYTE    IO_PARFLAGS          ; see PARFLAGS bit definitions above 
      STRUCT   IO_PTERMARRAY,PTERMARRAY_SIZE ; termination char array
      LABEL    IOEXTPar_SIZE


    ENDC    !DEVICES_PARALLEL_I