/****************************************************************************
OS/A65 Version 2.1.0
Multitasking Operating System for 6502 Computers
Copyright (C) 1989-1998 Andre Fachat
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., 675 Mass Ave, Cambridge, MA 02139, USA.
****************************************************************************/
/* additional error codes */
#define E_NOCLUS E_LASTERR
#define E_ILLCLUS E_LASTERR-1
#define E_Q E_LASTERR-2
#define E_GT E_LASTERR-3
#define E_RD E_LASTERR-4
#define E_WR E_LASTERR-5
#define E_CMD E_LASTERR-6
#define E_FT E_LASTERR-7
/*************************************************************************/
#define ANZFILE 4
#define ANZDRV 2
#define ANZBUF (ANZDRV+ANZFILE)
#define BUFLEN 512 /* 1024 */
/* Data-structure on the IBM-diskette */
/* Bootsector */
#define BS_SERIAL 8
#define BS_BPS 11 /* Byte per Sector */
#define BS_SPC 13 /* Secs/Cluster */
#define BS_RES 14 /* no of reserved blocks at disk start, incl. bootsector */
#define BS_FAT 16 /* no of FATs */
#define BS_DIR 17 /* number of directory entries in root directory */
#define BS_SEC 19 /* total number of sectors */
#define BS_MEDIA 21 /* Media-Byte */
#define BS_SPF 22 /* Secs/FAT */
#define BS_SPT 24 /* Secs/Track */
#define BS_SIDE 26 /* no of Sides */
#define BS_HID 28 /* no of Hidden Blocks */
#define BS_SLEN 30
/* Last cluster of a file in the FAT */
#define EOFCLUS $ffff
/* Directory-Entry */
#define DE_NAME 0
#define DE_EXT 8
#define DE_ATTR 11
#define DE_TIME 22
#define DE_DATE 24
#define DE_FCLUS 26
#define DE_SIZE 28
#define DE_SLEN 32
/* Attribut-values */
#define ATTR_WP 1
#define ATTR_HID 2
#define ATTR_SYS 4
#define ATTR_DSK 8
#define ATTR_DIR 16
#define ATTR_CLSD 32
/* Buffer-Parameter-Block for each buffer */
#define B_DRV 0 /* drive */
#define B_DIRT 1 /* dirty flag (see below) */
#define B_SECTOR 2 /* sector (four byte) */
#define B_SLEN 8 /* easier to compute than 6 */
#define BD_FRE $ff /* buffer is free */
#define BD_IFRE $fe /* dirty buffer that has not been saved */
#define BD_OK 0 /* buffer valid */
#define BD_DIRTY 1 /* buffer modified */
/* File-Parameter-Block for each file */
#define F_DRV 0 /* drive */
#define F_FL 1 /* Flag */
#define F_DCL 2 /* Cluster of Dir-Entry */
#define F_DSEC 4 /* Dir-Sector in Cluster */
#define F_DPOS 6 /* Position of Dir-Entry in sector */
#define F_FCL 8 /* Cluster of file */
#define F_FSEC 10 /* Sektor in Cluster */
#define F_FPOS 12 /* Position in Sektor */
#define F_LEN 14 /* Datei-Length in Byte */
#define F_FZEI 18 /* long-pointer in file */
#define F_STR 22 /* OS Stream */
#define F_FSCL 23 /* first cluster of file (used for locking) */
#define F_DLEN 25 /* length of saved filemask */
#define F_DOUT 26 /* state of directory read */
#define F_DMASK 27 /* mask for reading directory */
#define F_FT 27+11 /* OS FS_DIR_* struct to send */
/* 27+11+FS_DIR_NAME+13=62 ; Name plus . and Nullbyte are 13 */
#define F_SLEN 64
/* file parameter block flag values */
#define FF_FRE $ff /* file parameter block is free */
#define FF_RD 0 /* open for reading */
#define FF_WR 1 /* open for writing */
#define FF_DR 2 /* reading directory */
/* Drive-Parameter-Block */
#define D_ST 0
#define D_BFLAG 1 /* 0=12 Bit-FAT, 1=16Bit-FAT */
#define D_BPS 2 /* Byte per Sektor */
#define D_SPC 4 /* Sektor per Cluster */
#define D_CLUS 6 /* Clusters on Disk+2 (2 byte) */
#define D_FPD 8 /* FATs pro Diskette */
#define D_SPF 10 /* Sektors per FAT */
#define D_SPD 12 /* Sektors per Main-Dir */
#define D_STD 14 /* Start of Main-Dir in Sekt. */
#define D_STC 16 /* Start of first Datacluster.*/
#define D_SPTS 18 /* (Sektoren/Track)*Seiten = sec/cyclinder */
#define D_SPT 20 /* Sektors per Track */
#define D_STF 22 /* Start of first FAT */
#define D_SECS 24 /* Sektors on the disk (4 byte) */
#define D_SLEN 32 /* room for extensions... */
#define DS_INV $ff
#define DS_OK 0
/*
Sektor =Cluster*SPC+SektorInCluster+STC
except if Cluster=0 then
Sektor =SektorInCluster+STD
Zylinder=Sektor/SPTS
Side=(Sektor mod SPTS)/SPT
SektorInTrack=((Sektor mod SPTS) mod SPT)
*/
/* Struktur fname */
#define NAME_N 0
#define NAME_E 8
#define NAME_A 11
#define NAME_SLEN 12
/* Parameter for calling RWSEC */
#define RW_DRV 0
#define RW_SIDE 1
#define RW_SECTOR 2 /* 4 byte */
/*
#define RW_TRCK 2
#define RW_SEC 4
*/
#define RW_ADR 6
#define RW_SLEN 8
/* Parameter for calling RWABS */
#define ABS_DRV 0
#define ABS_FL 1
#define ABS_SEC 2
#define ABS_SLEN 6
/* Parameter for calling DFORMAT */
#define FMT_VIRG 0
#define FMT_SIDES 1
#define FMT_TRCKS 2
#define FMT_HDFL 3
#define FMT_BLEN 4
#define FMT_SCLST 5 /* Anzahl Sektoren+1, sekt1, sekt2, sekt3... */
