IFND	DEVICES_PARALLEL_I
DEVICES_PARALLEL_I	SET	1
**
**	$Filename: devices/parallel.i $
**	$Release: 1.3 $
**	$Revision$
**	$Date$
**
**	external declarations for Serial Port Driver 
**
**	(C) Copyright 1985,1986,1987,1988 Commodore-Amiga, Inc.
**	    All Rights Reserved
**

    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:	MACRO
		dc.b	'parallel.device',0
		ds.w	0
		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,PARSEL,2     ;    "     printer selected on the A1000
				  ; printer selected & serial "Ring Indicator" on
				  ; the A500/A2000.  Be careful when making cables.
        BITDEF	IOPT,PAPEROUT,1   ;    "     paper out
        BITDEF	IOPT,PARBUSY,0    ;    "     printer in busy toggle
;Note: Previous versions of this include file had bits 0 and 2 swapped
*
************************************************************************

 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