//
// resources/disk.h
//
// (C) 1987, MTS Associates
//
#ifndef RESOURCES_DISK_H
#define RESOURCES_DISK_H
#ifndef EXEC_TYPES_H
#include "exec/types.h"
#endif !EXEC_TYPES_H
#ifndef EXEC_LISTS_H
#include "exec/lists.h"
#endif !EXEC_LISTS_H
#ifndef EXEC_PORTS_H
#include "exec/ports.h"
#endif !EXEC_PORTS_H
#ifndef EXEC_INTERRUPTS_H
#include "exec/interrupts.h"
#endif !EXEC_INTERRUPTS_H
#ifndef EXEC_LIBRARIES_H
#include "exec/libraries.h"
#endif !EXEC_LIBRARIES_H

struct DiscResourceUnit : public Message {
    struct Interrupt dru_DiscBlock;
    struct Interrupt dru_DiscSync;
    struct Interrupt dru_Index;
};

struct DiscResource : public Library {
    DiscResourceUnit	*dr_Current;
    UBYTE		dr_Flags;
    UBYTE		dr_pad;
    Library		*dr_SysLib;
    Library		*dr_CiaResource;
    ULONG		dr_UnitID[4];
    List		dr_Waiting;
    Interrupt		dr_DiscBlock;
    Interrupt		dr_DiscSync;
    Interrupt		dr_Index;
};
#define DRB_ALLOC0      0
#define DRB_ALLOC1      1
#define DRB_ALLOC2      2
#define DRB_ALLOC3      3
#define DRB_ACTIVE      7
#define DRF_ALLOC0      (1<<0)
#define DRF_ALLOC1      (1<<1)
#define DRF_ALLOC2      (1<<2)
#define DRF_ALLOC3      (1<<3)
#define DRF_ACTIVE      (1<<7)
#define DSKDMAOFF       0x4000
#define DISKNAME	"disk.resource"
#define DR_ALLOCUNIT    (LIB_BASE - 0*LIB_VECTSIZE)
#define DR_FREEUNIT     (LIB_BASE - 1*LIB_VECTSIZE)
#define DR_GETUNIT      (LIB_BASE - 2*LIB_VECTSIZE)
#define DR_GIVEUNIT     (LIB_BASE - 3*LIB_VECTSIZE)
#define DR_GETUNITID    (LIB_BASE - 4*LIB_VECTSIZE)
#define DR_LASTCOMM     (DR_GIVEUNIT)
#define DRT_AMIGA       (0x00000000)
#define DRT_37422D2S    (0x55555555)
#define DRT_EMPTY       (0xFFFFFFFF)
#endif RESOURCES_DISK_H