8ef54202f9
Also, all filename handling is now Unicode. Fixes for many items on the bugs list. New logo and main icon for the project.
123 lines
3.6 KiB
C
123 lines
3.6 KiB
C
/*
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* VARCem Virtual ARchaeological Computer EMulator.
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* An emulator of (mostly) x86-based PC systems and devices,
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* using the ISA,EISA,VLB,MCA and PCI system buses, roughly
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* spanning the era between 1981 and 1995.
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*
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* This file is part of the VARCem Project.
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*
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* Definitions for the hard disk image handler.
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*
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* Version: @(#)hdd.h 1.0.3 2018/03/31
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*
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* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
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* Miran Grca, <mgrca8@gmail.com>
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*
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* Copyright 2017,2018 Fred N. van Kempen.
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* Copyright 2016-2018 Miran Grca.
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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, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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:
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*
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* Free Software Foundation, Inc.
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* 59 Temple Place - Suite 330
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* Boston, MA 02111-1307
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* USA.
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*/
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#ifndef EMU_HDD_H
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# define EMU_HDD_H
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#define HDD_NUM 30 /* total of 30 images supported */
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/* Hard Disk bus types. */
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enum {
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HDD_BUS_DISABLED = 0,
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HDD_BUS_MFM,
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HDD_BUS_XTIDE,
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HDD_BUS_ESDI,
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HDD_BUS_IDE_PIO_ONLY,
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HDD_BUS_IDE_PIO_AND_DMA,
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HDD_BUS_SCSI,
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HDD_BUS_SCSI_REMOVABLE,
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HDD_BUS_USB
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};
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/* Define a hard disk table entry. */
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typedef struct {
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uint16_t cyls;
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uint8_t head;
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uint8_t sect;
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} hddtab_t;
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/* Define the virtual Hard Disk. */
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typedef struct {
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int8_t is_hdi; /* image type (should rename) */
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int8_t wp; /* disk has been mounted READ-ONLY */
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uint8_t bus;
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uint8_t mfm_channel; /* should rename and/or unionize */
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uint8_t esdi_channel;
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uint8_t xtide_channel;
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uint8_t ide_channel;
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uint8_t scsi_id;
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uint8_t scsi_lun;
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uint32_t base;
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uint8_t spt, /* physical geometry parameters */
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hpc;
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uint16_t tracks;
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uint8_t at_spt, /* [Translation] parameters */
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at_hpc;
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FILE *f; /* current file handle to image */
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wchar_t fn[260]; /* name of current image file */
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wchar_t prev_fn[260]; /* name of previous image file */
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} hard_disk_t;
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extern hard_disk_t hdd[HDD_NUM];
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extern const hddtab_t hdd_table[128];
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extern int hdd_init(void);
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extern int hdd_string_to_bus(char *str, int cdrom);
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extern char *hdd_bus_to_string(int bus, int cdrom);
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extern int hdd_is_valid(int c);
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extern int hdd_image_load(int id);
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extern void hdd_image_seek(uint8_t id, uint32_t sector);
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extern void hdd_image_read(uint8_t id, uint32_t sector, uint32_t count, uint8_t *buffer);
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extern int hdd_image_read_ex(uint8_t id, uint32_t sector, uint32_t count, uint8_t *buffer);
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extern void hdd_image_write(uint8_t id, uint32_t sector, uint32_t count, uint8_t *buffer);
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extern int hdd_image_write_ex(uint8_t id, uint32_t sector, uint32_t count, uint8_t *buffer);
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extern void hdd_image_zero(uint8_t id, uint32_t sector, uint32_t count);
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extern int hdd_image_zero_ex(uint8_t id, uint32_t sector, uint32_t count);
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extern uint32_t hdd_image_get_last_sector(uint8_t id);
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extern uint8_t hdd_image_get_type(uint8_t id);
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extern void hdd_image_specify(uint8_t id, int hpc, int spt);
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extern void hdd_image_unload(uint8_t id, int fn_preserve);
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extern void hdd_image_close(uint8_t id);
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extern int image_is_hdi(const wchar_t *s);
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extern int image_is_hdx(const wchar_t *s, int check_signature);
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#endif /*EMU_HDD_H*/
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