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GuruMeditation
Docs » Include » exec » devices.i / .h
	IFND	EXEC_DEVICES_I
EXEC_DEVICES_I	SET	1
**
**	$VER: devices.i 39.0 (15.10.1991)
**	Includes Release 45.1
**
**	Include file for use by Exec device drivers
**
**	(C) Copyright 1985-2001 Amiga, Inc.
**	    All Rights Reserved
**

    IFND EXEC_LIBRARIES_I
    INCLUDE "exec/libraries.i"
    ENDC	; EXEC_LIBRARIES_I

    IFND EXEC_PORTS_I
    INCLUDE "exec/ports.i"
    ENDC	; EXEC_PORTS_I


*----------------------------------------------------------------
*
*   Device Data Structure
*
*----------------------------------------------------------------

 STRUCTURE  DD,LIB_SIZE
    LABEL   DD_SIZE			; identical to library


*----------------------------------------------------------------
*
*   Suggested Unit Structure
*
*----------------------------------------------------------------

 STRUCTURE  UNIT,MP_SIZE		; queue for requests
    UBYTE   UNIT_FLAGS
    UBYTE   UNIT_pad
    UWORD   UNIT_OPENCNT
    LABEL   UNIT_SIZE


*------ UNIT_FLAG definitions:

    BITDEF  UNIT,ACTIVE,0		; driver is active
    BITDEF  UNIT,INTASK,1		; running in driver's task

	ENDC	; EXEC_DEVICES_I

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