From c3b0fa04a663fe233765b83d3be41a42aa08c25d Mon Sep 17 00:00:00 2001
From: "Juan J. Martinez" <jjm@usebox.net>
Date: Mon, 3 May 2021 08:21:10 +0100
Subject: Initial import for public release

---
 tools/2CDT/src/tzxfile.h | 79 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 tools/2CDT/src/tzxfile.h

(limited to 'tools/2CDT/src/tzxfile.h')

diff --git a/tools/2CDT/src/tzxfile.h b/tools/2CDT/src/tzxfile.h
new file mode 100644
index 0000000..397f5d1
--- /dev/null
+++ b/tools/2CDT/src/tzxfile.h
@@ -0,0 +1,79 @@
+/* 
+ *  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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