david
9f107b5f80
- fetch: Go CLI tool for searching, downloading, and extracting AKAI sampler ISOs from archive.org - scripts/extract_wavs.sh: Shell script driving akaiutil to convert samples to WAV - Dockerfile: Multi-stage build packaging akaiutil + fetch - third_party/akaiutil: Vendored akaiutil v4.6.7 source (GPLv2) - docs/akaiutil.md: Full akaiutil reference
138 lines
4.6 KiB
C
Executable File
138 lines
4.6 KiB
C
Executable File
#ifndef __AKAIUTIL_IO_H
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#define __AKAIUTIL_IO_H
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/*
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* Copyright (C) 2008,2010,2012,2019,2020,2021 Klaus Michael Indlekofer. All rights reserved.
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*
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* m.indlekofer@gmx.de
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "commoninclude.h"
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#ifdef _VISUALCPP
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/* for low-level floppy I/O, using fdrawcmd.sys */
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#include "fdrawcmd.h" /* from http://simonowen.com/fdrawcmd/fdrawcmd.h */
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/* definitions for low-level format of floppy disks for AKAI samplers */
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#define AKAI_FL_DISK_SIDES 2 /* sides per disk */
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#define AKAI_FL_DISK_TRACKS 80 /* tracks per side */
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#define AKAI_FLL_DISK_SECTORS 5 /* sectors per track for low-density floppy */
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#define AKAI_FLH_DISK_SECTORS 10 /* sectors per track for high-density floppy */
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#define AKAI_FLL_DISK_DATARATE FD_RATE_250K /* data rate for low-density floppy */
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#define AKAI_FLH_DISK_DATARATE FD_RATE_500K /* data rate for high-density floppy */
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#define AKAI_FL_SECTOR_SIZE_CODE 3 /* sector size code: 3 -> (128<<3)==1024 */
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#define AKAI_FLL_SECTOR_GAP3 0x74 /* gap3 size between sectors for low-density floppy */
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#define AKAI_FLH_SECTOR_GAP3 0x74 /* gap3 size between sectors for high-density floppy */
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#define AKAI_FL_SECTOR_FILL 0x00 /* fill byte for formatted sectors */
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#define AKAI_FL_SECTOR_BASE 1 /* first sector number on track */
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#define AKAI_FLL_SECTOR_OFFSET 3 /* sector number offset for low-density floppy */
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#define AKAI_FLH_SECTOR_OFFSET 6 /* sector number offset for high-density floppy */
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#define AKAI_FLL_TRACK_SKEW 2 /* skew to the same sector on the next track for low-density floppy */
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#define AKAI_FLH_TRACK_SKEW 4 /* skew to the same sector on the next track for high-density floppy */
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/* low-level floppy sector size */
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#define AKAI_FL_SECSIZE 0x0400 /* 1KB */
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/* Note: must be == AKAI_FL_BLOCKSIZE (floppy filesystem blocksize, defined in akaiutil.h) */
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#if defined(AKAI_FL_BLOCKSIZE)&&(AKAI_FL_SECSIZE!=AKAI_FL_BLOCKSIZE)
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#error "AKAI_FL_SECSIZE!=AKAI_FL_BLOCKSIZE"
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#endif
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#ifndef FLDRNUM
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#define FLDRNUM 2 /* XXX max. number of floppy drives */
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#endif
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extern HANDLE fldr_h[FLDRNUM]; /* handle for floppy drive */
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#define FLDR_TYPE_FLL 0 /* low-density floppy */
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#define FLDR_TYPE_FLH 1 /* high-density floppy */
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extern u_int fldr_type[FLDRNUM]; /* floppy drive type */
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extern PBYTE fldr_secbuf; /* DMA buffer for sector */
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#ifndef FLDR_RETRYMAX
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#define FLDR_RETRYMAX 5 /* XXX max. number of retries for floppy I/O */
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#endif
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#endif /* _VISUALCPP */
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/* cache */
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struct blk_cache_s{
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int valid;
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int modified;
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int fd;
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#ifdef _VISUALCPP
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int fldrn;
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#endif /* _VISUALCPP */
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OFF64_T startoff;
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u_int blk;
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u_int blksize;
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#define BLK_CACHE_AGE_MAX 0xffffffff /* XXX max. age */
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u_int age; /* age */
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u_char *buf;
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};
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#ifndef BLK_CACHE_NUM
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#define BLK_CACHE_NUM 512 /* XXX */
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#endif
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extern struct blk_cache_s blk_cache[BLK_CACHE_NUM];
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extern int blk_cache_enable;
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#define IO_BLKS_READ 0
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#define IO_BLKS_WRITE 1
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/* Declarations */
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#ifdef _VISUALCPP
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extern int fldr_init(void);
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extern void fldr_end(void);
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extern int fldr_open(int fldrn,u_int fldrtype);
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extern int fldr_checkfloppyinserted(int fldrn);
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extern int fldr_io_direct(int fldrn,u_int blk,u_char *buf,int mode);
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extern int fldr_format(int fldrn);
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#endif /* _VISUALCPP */
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extern void init_blk_cache(void);
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extern void free_blk_cache(void);
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extern void print_blk_cache(void);
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extern int find_blk_cache(int fd,
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#ifdef _VISUALCPP
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int fldrnr,
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#endif
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OFF64_T startoff,u_int blk,u_int blksize);
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extern void blk_cache_aging(int i);
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extern int io_blks_direct(int fd,
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#ifdef _VISUALCPP
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int fldrn,
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#endif
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OFF64_T startoff,u_char *buf,u_int bstart,u_int bsize,u_int blksize,int cachealloc,int mode);
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extern int flush_blk_cache(void);
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extern int io_blks(int fd,
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#ifdef _VISUALCPP
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int fldrn,
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#endif
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OFF64_T startoff,u_char *buf,u_int bstart,u_int bsize,u_int blksize,int cachealloc,int mode);
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#endif /* !__AKAIUTIL_IO_H */
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