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/*
* 2CDT Copyright (c) Kevin Thacker
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __TZX_FILE_HEADER__
#define __TZX_FILE_HEADER__
#include "defs.h"
#define TZX_VERSION_MAJOR 1
#define TZX_VERSION_MINOR 10
#define TZX_STANDARD_SPEED_DATA_BLOCK 0x010
#define TZX_TURBO_LOADING_DATA_BLOCK 0x011
#define TZX_PAUSE_BLOCK 0x020
#define TZX_PURE_DATA_BLOCK 0x014
#define TZX_DIRECT_RECORDING_BLOCK 0x015
#define TZX_T_STATES 3500000
#define TZX_HARDWARE_COMPUTER_CPC464 0x015 /* Amstrad CPC 464 */
#define TZX_HARDWARE_COMPUTER_CPC664 0x016 /* Amstrad CPC 664 */
#define TZX_HARDWARE_COMPUTER_CPC6128 0x017 /* Amstrad CPC 6128 */
#define TZX_HARDWARE_COMPUTER_CPC464PLUS 0x018 /* Amstrad CPC 464+ */
#define TZX_HARDWARE_COMPUTER_CPC6128PLUS 0x019 /* Amstrad CPC 6128+ */
typedef struct TZX_BLOCK
{
/* previous TZX block */
struct TZX_BLOCK *pPrev;
/* next TZX block */
struct TZX_BLOCK *pNext;
/* pointer to header data allocated for this block */
unsigned char *pBlockHeader;
/* size of data block */
unsigned long DataBlockSize;
/* pointer to data added to this block */
unsigned char *pBlockData;
} TZX_BLOCK;
typedef struct TZX_FILE
{
/* version of TZX file */
unsigned char VersionMajor;
unsigned char VersionMinor;
/* pointer to first block */
TZX_BLOCK *pFirstBlock;
} TZX_FILE;
void TZX_WriteFile(TZX_FILE *pTZXFile, unsigned char *pFilename);
unsigned char *TZX_GetBlockDataPtr(TZX_BLOCK *);
unsigned char *TZX_GetBlockHeaderPtr(TZX_BLOCK *);
TZX_FILE *TZX_CreateFile(unsigned char VersionMajor, unsigned char VersionMinor);
void TZX_FreeFile(TZX_FILE *pFile);
void TZX_AddDataToBlock(TZX_BLOCK *pBlock, int DataSize);
unsigned char *TZX_GetDataBlockPtr(TZX_BLOCK *pBlock);
void TZX_AddBlockToEndOfFile(TZX_FILE *pFile, TZX_BLOCK *pBlock);
int TZX_GetBlockHeaderSize(unsigned char ID);
BOOL TZX_BlockHasData(unsigned char ID);
TZX_BLOCK *TZX_CreateBlock(unsigned char ID);
void TZX_SetupPauseBlock(TZX_BLOCK *pBlock,unsigned long PauseInMilliseconds);
#endif
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