Files
PCXT_MiSTer/SW/Serial_Server/library/FlatImage.h
Aitor Gómez a987c96a6d Beta 1.0
* The UART port is changed to the internal MiSTer port, now it is possible to use the core without using a USB cable
2022-06-23 06:57:02 +02:00

98 lines
2.4 KiB
C++

//======================================================================
//
// Project: XTIDE Universal BIOS, Serial Port Server
//
// File: FlatImage.h - Header file for basic flat disk image support
//
//
// XTIDE Universal BIOS and Associated Tools
// Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team.
//
// 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.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
//
#include "Library.h"
#include <string.h>
class FlatImage : public Image
{
private:
class FileAccess fp;
public:
FlatImage( char *name, int p_readOnly, int p_drive, int p_create, unsigned long p_cyl, unsigned long p_head, unsigned long p_sect, int p_useCHS ) : Image( name, p_readOnly, p_drive, p_create, p_cyl, p_head, p_sect, p_useCHS )
{
long filesize;
if( p_create )
{
char buff[512];
unsigned long size;
double sizef;
FileAccess cf;
char sizeChar;
size = (unsigned long) p_cyl * (unsigned long) p_sect * (unsigned long) p_head;
if( size > cf.MaxSectors )
log( -1, "'%s', can't create flat file with size greater than %lu 512-byte sectors", name, cf.MaxSectors );
sizef = size / 2048.0; // 512 byte sectors -> MB
sizeChar = 'M';
if( sizef < 1 )
{
sizef *= 1024;
sizeChar = 'K';
}
if( cf.Create( name ) )
{
memset( &buff[0], 0, 512 );
while( size-- )
cf.Write( &buff[0], 512 );
if( p_cyl > 1024 )
log( 0, "Created file '%s', size %.2lf %cB", name, sizef, sizeChar );
else
log( 0, "Created file '%s', geometry %u:%u:%u, size %.2lf %cB", name, p_cyl, p_head, p_sect, sizef, sizeChar );
cf.Close();
}
}
fp.Open( name );
totallba = fp.SizeSectors();
init( name, p_readOnly, p_drive, p_cyl, p_head, p_sect, p_useCHS );
}
~FlatImage()
{
fp.Close();
}
void seekSector( unsigned long lba )
{
fp.SeekSectors( lba );
}
void writeSector( void *buff )
{
fp.Write( buff, 512 );
}
void readSector( void *buff )
{
fp.Read( buff, 512 );
}
};