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49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
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/*****************************************************************************
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* prodos/prodos_fs.h
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* Includes, definitions, and helpers pertaining to the ProDOS filesystem
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* implementation.
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*
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* Apple II ProDOS Filesystem Driver for Linux 2.4.x
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* Copyright (c) 2001 Matt Jensen.
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* This program is free software distributed under the terms of the GPL.
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*
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* 18-May-2001: Created
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*****************************************************************************/
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#ifndef __DOS33_DOS33_FS_H
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#define __DOS33_DOS33_FS_H
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/*= Preprocessor Constants ==================================================*/
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/* Block size. */
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#define DOS33_BLOCK_SIZE 0x200
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#define DOS33_BLOCK_SIZE_BITS 9 /* log base-2 of PRODOS_BLOCK_SIZE */
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/* Number of entries per directory block. */
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#define DOS33_DIR_ENTS_PER_BLOCK 7
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/* Various limits and maximums. */
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#define DOS33_MAX_NAME_LEN 0x1e
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#define DOS33_MAX_FILE_SIZE 0x00ffffff
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#define DOS33_SUPER_MAGIC 0x02131978
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#define DOS33_VOLUME_DIR_BLOCK (0x11*0x10)
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#define DOS33_VOLUME_DIR_TRACK 0x11
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#define DOS33_VOLUME_DIR_SECTOR 0x00
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#define TWO_BYTES_TO_SHORT(__x,__y) ((((int)__y)<<8)+__x)
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#if (DEBUG_LEVEL==1)
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#define DOS33_DEBUG printk
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#else
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#define DOS33_DEBUG if (0) printk
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#endif
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#define DOS33_ERROR printk
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#endif
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