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/* -*- mode: C++; tab-width: 4 -*- */
/* ===================================================================== *\
Copyright (c) 2000-2001 Palm, Inc. or its subsidiaries.
All rights reserved.
This file is part of the Palm OS Emulator.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
\* ===================================================================== */
#ifndef EmTRGCFIO_h
#define EmTRGCFIO_h
#include "EmTRGCFDefs.h"
#include "EmTRGDiskType.h"
#include "EmTRGDiskIO.h"
#include <stdio.h> // FILE
#define DISKFILE_NAME "trgdrv.dat"
typedef struct {
uint32 DriveNum;
LogicalBlockAddr Lba;
uint32 SectorCnt;
} DiskIOParams;
typedef enum {
DIO_SUCCESS = 0,
DIO_ERROR = 1
} DiskIOStatus;
typedef enum {
DIO_DATA_COMPLETE = 0,
DIO_MORE_DATA = 1
} DiskDataStatus;
//typedef enum {
// DIO_ERR_NONE = 0,
// DIO_ERR_GENERIC = 1
//} DiskIOError;
typedef uint8 DiskIOError;
typedef struct {
LogicalBlockAddr Lba;
uint32 NumSectorsRequested;
uint32 NumSectorsCompleted;
EmSector Sector;
int SectorIndex;
DiskIOStatus Status;
DiskIOError Error;
} DiskIOState;
class EmCFIO
{
public:
EmCFIO (void);
virtual ~EmCFIO (void);
// EmRegs overrides
void Initialize(EmDiskTypeID DiskTypeID);
void Dispose(void);
void Reset(void);
void StartDriveID(void);
void ReadNextDataByte(uint8 * val);
void WriteNextDataByte(uint8 val);
uint32 GetSectorCount(void);
void StartRead(DiskIOParams * params);
void StartWrite(DiskIOParams * params);
void GetStatus(DiskIOStatus * status,
DiskDataStatus * dataStatus);
DiskIOError GetError(void);
void SetError(DiskIOError error);
void ClearError(void);
private:
EmDiskTypeID DiskTypeID;
EmCurrDiskType CurrDisk;
DiskIOStatus WriteSector(void);
DiskIOStatus ReadSector(void);
void CloseFile(void);
DiskIOState State;
EmTRGDiskIO DiskIO;
};
#endif /* EmTRGCFIO_h */
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