119 lines
2.5 KiB
OpenEdge ABL
119 lines
2.5 KiB
OpenEdge ABL
IFND RESOURCES_DISK_I
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RESOURCES_DISK_I SET 1
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**
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** $Filename: resources/disk.i $
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** $Release: 1.3 $
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**
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** external declarations for disc resources
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**
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** (C) Copyright 1985,1986,1987,1988 Commodore-Amiga, Inc.
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** All Rights Reserved
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**
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IFND EXEC_TYPES_I
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INCLUDE "exec/types.i"
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ENDC ; EXEC_TYPES_I
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IFND EXEC_LISTS_I
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INCLUDE "exec/lists.i"
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ENDC ; EXEC_LISTS_I
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IFND EXEC_PORTS_I
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INCLUDE "exec/ports.i"
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ENDC ; EXEC_PORTS_I
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IFND EXEC_INTERRUPTS_I
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INCLUDE "exec/interrupts.i"
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ENDC ; EXEC_INTERRUPTS_I
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IFND EXEC_LIBRARIES_I
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INCLUDE "exec/libraries.i"
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ENDC ; EXEC_LIBRARIES_I
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*********************************************************************
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*
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* Resource structures
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*
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*********************************************************************
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STRUCTURE DISCRESOURCEUNIT,MN_SIZE
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STRUCT DRU_DISCBLOCK,IS_SIZE
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STRUCT DRU_DISCSYNC,IS_SIZE
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STRUCT DRU_INDEX,IS_SIZE
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LABEL DRU_SIZE
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STRUCTURE DISCRESOURCE,LIB_SIZE
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APTR DR_CURRENT ; pointer to current unit structure
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UBYTE DR_FLAGS
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UBYTE DR_pad
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APTR DR_SYSLIB
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APTR DR_CIARESOURCE
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STRUCT DR_UNITID,4*4
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STRUCT DR_WAITING,LH_SIZE
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STRUCT DR_DISCBLOCK,IS_SIZE
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STRUCT DR_DISCSYNC,IS_SIZE
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STRUCT DR_INDEX,IS_SIZE
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LABEL DR_SIZE
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BITDEF DR,ALLOC0,0 ; unit zero is allocated
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BITDEF DR,ALLOC1,1 ; unit one is allocated
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BITDEF DR,ALLOC2,2 ; unit two is allocated
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BITDEF DR,ALLOC3,3 ; unit three is allocated
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BITDEF DR,ACTIVE,7 ; is the disc currently busy?
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*********************************************************************
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*
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* Hardware Magic
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*
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*********************************************************************
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DSKDMAOFF EQU $4000 ; idle command for dsklen register
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*********************************************************************
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*
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* Resource specific commands
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*
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*********************************************************************
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*-- DR_NAME is a generic macro to get the name of the resource. This
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*-- way if the name is ever changed you will pick up the change
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*-- automatically.
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*--
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*-- Normal usage would be:
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*--
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*-- internalName: DISKNAME
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*--
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DISKNAME: MACRO
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DC.B 'disk.resource',0
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DS.W 0
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ENDM
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LIBINIT LIB_BASE
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LIBDEF DR_ALLOCUNIT
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LIBDEF DR_FREEUNIT
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LIBDEF DR_GETUNIT
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LIBDEF DR_GIVEUNIT
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LIBDEF DR_GETUNITID
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DR_LASTCOMM EQU DR_GIVEUNIT
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*********************************************************************
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*
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* drive types
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*
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*********************************************************************
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DRT_AMIGA EQU $00000000
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DRT_37422D2S EQU $55555555
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DRT_EMPTY EQU $FFFFFFFF
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ENDC ; RESOURCES_DISK_I
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