123 lines
2.6 KiB
C
123 lines
2.6 KiB
C
/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Implementation of the Iomega ZIP drive with SCSI(-like)
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* commands, for both ATAPI and SCSI usage.
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*
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*
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*
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* Author: Miran Grca, <mgrca8@gmail.com>
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*
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* Copyright 2018,2019 Miran Grca.
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*/
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#ifndef EMU_ZIP_H
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#define EMU_ZIP_H
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#define ZIP_NUM 4
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#define BUF_SIZE 32768
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#define ZIP_TIME 10.0
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#define ZIP_SECTORS (96 * 2048)
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#define ZIP_250_SECTORS (489532)
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enum {
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ZIP_BUS_DISABLED = 0,
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ZIP_BUS_ATAPI = 5,
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ZIP_BUS_SCSI,
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ZIP_BUS_USB
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};
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typedef struct {
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uint8_t id;
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union {
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uint8_t res, res0, /* Reserved for other ID's. */
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res1,
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ide_channel, scsi_device_id;
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};
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uint8_t bus_type, /* 0 = ATAPI, 1 = SCSI */
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bus_mode, /* Bit 0 = PIO suported;
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Bit 1 = DMA supportd. */
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read_only, /* Struct variable reserved for
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media status. */
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pad, pad0;
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FILE *f;
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void *priv;
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char image_path[1024],
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prev_image_path[1024];
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uint32_t is_250, medium_size,
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base;
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} zip_drive_t;
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typedef struct {
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mode_sense_pages_t ms_pages_saved;
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zip_drive_t *drv;
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uint8_t *buffer,
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atapi_cdb[16],
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current_cdb[16],
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sense[256];
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uint8_t status, phase,
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error, id,
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features, cur_lun,
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pad0, pad1;
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uint16_t request_length, max_transfer_len;
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int requested_blocks, packet_status,
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total_length, do_page_save,
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unit_attention, request_pos,
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old_len, pad3;
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uint32_t sector_pos, sector_len,
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packet_len, pos;
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double callback;
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} zip_t;
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extern zip_t *zip[ZIP_NUM];
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extern zip_drive_t zip_drives[ZIP_NUM];
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extern uint8_t atapi_zip_drives[8];
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extern uint8_t scsi_zip_drives[16];
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#define zip_sense_error dev->sense[0]
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#define zip_sense_key dev->sense[2]
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#define zip_asc dev->sense[12]
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#define zip_ascq dev->sense[13]
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern void zip_disk_close(zip_t *dev);
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extern void zip_disk_reload(zip_t *dev);
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extern void zip_insert(zip_t *dev);
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extern void zip_global_init(void);
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extern void zip_hard_reset(void);
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extern void zip_reset(scsi_common_t *sc);
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extern int zip_load(zip_t *dev, char *fn);
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extern void zip_close(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /*EMU_ZIP_H*/
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