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Current WIP CD-ROM changes.

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This commit is contained in:
OBattler
2025-02-09 20:06:15 +01:00
parent f679b46b65
commit 74e0408201
17 changed files with 1201 additions and 736 deletions
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62
src/include/86box/cdrom.h
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@@ -28,8 +28,9 @@
#define CD_STATUS_PLAYING 5
#define CD_STATUS_STOPPED 6
#define CD_STATUS_PLAYING_COMPLETED 7
#define CD_STATUS_HAS_AUDIO 4
#define CD_STATUS_MASK 7
#define CD_STATUS_HOLD 8
#define CD_STATUS_HAS_AUDIO 0xc
#define CD_STATUS_MASK 0xf
/* Medium changed flag. */
#define CD_STATUS_TRANSITION 0x40
@@ -50,8 +51,6 @@
#define CD_IMAGE_HISTORY 10
#define BUF_SIZE 32768
#define CDROM_IMAGE 200
/* This is so that if/when this is changed to something else,
@@ -63,6 +62,8 @@
#define RAW_SECTOR_SIZE 2352
#define COOKED_SECTOR_SIZE 2048
#define CD_BUF_SIZE (16 * RAW_SECTOR_SIZE)
#define DATA_TRACK 0x14
#define AUDIO_TRACK 0x10
@@ -105,9 +106,9 @@ enum {
#define CDV EMU_VERSION_EX
static const struct cdrom_drive_types_s {
const char vendor[9];
const char model[17];
const char revision[5];
const char * vendor;
const char * model;
const char * revision;
const char * internal_name;
const int bus_type;
/* SCSI standard for SCSI (or both) devices, early for IDE. */
@@ -298,9 +299,7 @@ typedef struct cdrom {
void * priv;
char image_path[1024];
char prev_image_path[1024];
char * image_history[CD_IMAGE_HISTORY];
char prev_image_path[1280];
uint32_t sound_on;
uint32_t cdrom_capacity;
@@ -310,18 +309,21 @@ typedef struct cdrom {
uint32_t type;
uint32_t sector_size;
int cd_buflen;
int audio_op;
int audio_muted_soft;
int sony_msf;
int real_speed;
int is_early;
int is_nec;
uint32_t inv_field;
int32_t cached_sector;
int32_t cd_buflen;
int32_t sony_msf;
int32_t real_speed;
int32_t is_early;
int32_t is_nec;
int32_t is_bcd;
int32_t cdrom_sector_size;
const cdrom_ops_t *ops;
char * image_history[CD_IMAGE_HISTORY];
void * local;
void * log;
@@ -330,22 +332,26 @@ typedef struct cdrom {
uint32_t (*get_volume)(void *p, int channel);
uint32_t (*get_channel)(void *p, int channel);
int16_t cd_buffer[BUF_SIZE];
int16_t cd_buffer[CD_BUF_SIZE];
uint8_t subch_buffer[96];
int cdrom_sector_size;
/* Needs some extra breathing space in case of overflows. */
uint8_t raw_buffer[4096];
uint8_t raw_buffer[2][4096];
uint8_t extra_buffer[296];
int32_t is_chinon;
int32_t is_pioneer;
int32_t is_plextor;
int32_t is_sony;
int32_t is_toshiba;
int32_t c2_first;
int32_t cur_buf;
} cdrom_t;
extern cdrom_t cdrom[CDROM_NUM];
/* The addresses sent from the guest are absolute, ie. a LBA of 0 corresponds to a MSF of 00:00:00. Otherwise, the counter displayed by the guest is wrong:
there is a seeming 2 seconds in which audio plays but counter does not move, while a data track before audio jumps to 2 seconds before the actual start
of the audio while audio still plays. With an absolute conversion, the counter is fine. */
#define MSFtoLBA(m, s, f) ((((m * 60) + s) * 75) + f)
static __inline int
@@ -366,8 +372,6 @@ extern char *cdrom_get_revision(const int type);
extern int cdrom_get_scsi_std(const int type);
extern int cdrom_is_early(const int type);
extern int cdrom_is_generic(const int type);
extern int cdrom_has_date(const int type);
extern int cdrom_is_sony(const int type);
extern int cdrom_is_caddy(const int type);
extern int cdrom_get_speed(const int type);
extern int cdrom_get_inquiry_len(const int type);
@@ -384,6 +388,7 @@ extern void cdrom_set_type(const int model, const int type);
extern int cdrom_get_type(const int model);
extern int cdrom_lba_to_msf_accurate(const int lba);
extern void cdrom_interleave_subch(uint8_t *d, const uint8_t *s);
extern double cdrom_seek_time(const cdrom_t *dev);
extern void cdrom_stop(cdrom_t *dev);
extern void cdrom_seek(cdrom_t *dev, const uint32_t pos, const uint8_t vendor_type);
@@ -396,7 +401,7 @@ extern uint8_t cdrom_audio_track_search(cdrom_t *dev, const uint32_t pos
extern uint8_t cdrom_audio_track_search_pioneer(cdrom_t *dev, const uint32_t pos, const uint8_t playbit);
extern uint8_t cdrom_audio_play_pioneer(cdrom_t *dev, const uint32_t pos);
extern uint8_t cdrom_audio_play_toshiba(cdrom_t *dev, const uint32_t pos, const int type);
extern uint8_t cdrom_audio_scan(cdrom_t *dev, const uint32_t pos, const int type);
extern uint8_t cdrom_audio_scan(cdrom_t *dev, const uint32_t pos);
extern void cdrom_audio_pause_resume(cdrom_t *dev, const uint8_t resume);
extern uint8_t cdrom_get_current_status(const cdrom_t *dev);
@@ -424,6 +429,7 @@ extern int cdrom_read_dvd_structure(const cdrom_t *dev, const uint8_
uint8_t *buffer, uint32_t *info);
extern void cdrom_read_disc_information(const cdrom_t *dev, uint8_t *buffer);
extern int cdrom_read_track_information(cdrom_t *dev, const uint8_t *cdb, uint8_t *buffer);
extern uint8_t cdrom_get_current_mode(cdrom_t *dev);
extern void cdrom_set_empty(cdrom_t *dev);
extern void cdrom_update_status(cdrom_t *dev);
extern int cdrom_load(cdrom_t *dev, const char *fn, const int skip_insert);