77 lines
2.9 KiB
C
77 lines
2.9 KiB
C
/*
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* sys.h - System dependent routines (mostly I/O)
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*
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* Basilisk II (C) 1997-2008 Christian Bauer
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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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#ifndef SYS_H
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#define SYS_H
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// Supported media types
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enum {
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MEDIA_FLOPPY = 1,
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MEDIA_CD = 2,
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MEDIA_HD = 4,
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MEDIA_REMOVABLE = MEDIA_FLOPPY | MEDIA_CD
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};
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extern void SysInit(void);
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extern void SysExit(void);
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extern void SysAddFloppyPrefs(void);
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extern void SysAddDiskPrefs(void);
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extern void SysAddCDROMPrefs(void);
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extern void SysAddSerialPrefs(void);
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/*
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* These routines are used for reading from and writing to disk files
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* or devices in sony.cpp, disk.cpp and cdrom.cpp. Their purpose is to
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* hide all OS-specific details of file and device access. The routines
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* must also hide all restrictions on the location or alignment of the
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* data buffer or on the transfer length that may be imposed by the
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* underlying OS.
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* A file/device is identified by a "filename" (character string) that
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* may (but need not) map to a valid file path. After Sys_open(), the
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* file/device is identified by an abstract "file handle" (void *),
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* that is freed by Sys_close().
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*/
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extern void *Sys_open(const char *name, bool read_only, bool is_cdrom = false);
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extern void Sys_close(void *fh);
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extern size_t Sys_read(void *fh, void *buffer, loff_t offset, size_t length);
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extern size_t Sys_write(void *fh, void *buffer, loff_t offset, size_t length);
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extern loff_t SysGetFileSize(void *fh);
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extern void SysEject(void *fh);
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extern bool SysFormat(void *fh);
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extern bool SysIsReadOnly(void *fh);
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extern bool SysIsFixedDisk(void *fh);
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extern bool SysIsDiskInserted(void *fh);
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extern void SysPreventRemoval(void *fh);
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extern void SysAllowRemoval(void *fh);
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extern bool SysCDReadTOC(void *fh, uint8 *toc);
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extern bool SysCDGetPosition(void *fh, uint8 *pos);
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extern bool SysCDPlay(void *fh, uint8 start_m, uint8 start_s, uint8 start_f, uint8 end_m, uint8 end_s, uint8 end_f);
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extern bool SysCDPause(void *fh);
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extern bool SysCDResume(void *fh);
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extern bool SysCDStop(void *fh, uint8 lead_out_m, uint8 lead_out_s, uint8 lead_out_f);
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extern bool SysCDScan(void *fh, uint8 start_m, uint8 start_s, uint8 start_f, bool reverse);
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extern void SysCDSetVolume(void *fh, uint8 left, uint8 right);
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extern void SysCDGetVolume(void *fh, uint8 &left, uint8 &right);
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#endif
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