mirror of
https://github.com/dingusdev/dingusppc.git
synced 2024-11-13 03:08:29 +00:00
81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
|
/*
|
||
|
|
DingusPPC - The Experimental PowerPC Macintosh emulator
|
||
|
|
Copyright (C) 2018-23 divingkatae and maximum
|
||
|
|
(theweirdo) spatium
|
||
|
|
|
||
|
|
(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
|
||
|
|
|
||
|
|
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 3 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, see <https://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @file Virtual CD-ROM drive definitions. */
|
||
|
|
|
||
|
|
#ifndef CD_ROM_DRIVE_H
|
||
|
|
#define CD_ROM_DRIVE_H
|
||
|
|
|
||
|
|
#include <devices/storage/blockstoragedevice.h>
|
||
|
|
|
||
|
|
#include <cinttypes>
|
||
|
|
#include <functional>
|
||
|
|
|
||
|
|
/* Original CD-ROM addressing mode expressed
|
||
|
|
in minutes, seconds and frames */
|
||
|
|
typedef struct {
|
||
|
|
int min;
|
||
|
|
int sec;
|
||
|
|
int frm;
|
||
|
|
} AddrMsf;
|
||
|
|
|
||
|
|
/* Descriptor for CD-ROM tracks in TOC */
|
||
|
|
typedef struct {
|
||
|
|
uint8_t trk_num;
|
||
|
|
uint8_t adr_ctrl;
|
||
|
|
uint32_t start_lba;
|
||
|
|
} TrackDescriptor;
|
||
|
|
|
||
|
|
#define CDROM_MAX_TRACKS 100
|
||
|
|
#define LEAD_OUT_TRK_NUM 0xAA
|
||
|
|
|
||
|
|
class CdromDrive : public BlockStorageDevice {
|
||
|
|
public:
|
||
|
|
CdromDrive();
|
||
|
|
virtual ~CdromDrive() = default;
|
||
|
|
|
||
|
|
void set_error_callback(std::function<void(uint8_t, uint8_t)>&& err_cb) {
|
||
|
|
this->set_error = std::move(err_cb);
|
||
|
|
}
|
||
|
|
|
||
|
|
bool medium_present() { return this->is_ready; }
|
||
|
|
|
||
|
|
void insert_image(std::string filename);
|
||
|
|
|
||
|
|
uint32_t inquiry(uint8_t *cmd_ptr, uint8_t *data_ptr);
|
||
|
|
uint32_t mode_sense_ex(uint8_t *cmd_ptr, uint8_t *data_ptr);
|
||
|
|
uint32_t request_sense(uint8_t *data_ptr, uint8_t sense_key, uint8_t asc,
|
||
|
|
uint8_t ascq);
|
||
|
|
uint32_t report_capacity(uint8_t *data_ptr);
|
||
|
|
uint32_t read_toc(uint8_t *cmd_ptr, uint8_t *data_ptr);
|
||
|
|
|
||
|
|
private:
|
||
|
|
AddrMsf lba_to_msf(const int lba);
|
||
|
|
|
||
|
|
protected:
|
||
|
|
std::function<void(uint8_t, uint8_t)> set_error;
|
||
|
|
|
||
|
|
TrackDescriptor tracks[CDROM_MAX_TRACKS];
|
||
|
|
int num_tracks;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // CD_ROM_DRIVE_H
|