mirror/86Box
1
0
Fork 0
mirror of https://github.com/86Box/86Box.git synced 2026-02-23 18:08:20 -07:00
Code Issues Packages Projects Releases Activity

Merge pull request #6672 from Domppari/hdd_audio_prototype

Browse Source 
Support for HDD sound emulation
This commit is contained in:
Miran Grča
2026-01-04 21:42:11 +01:00
committed by GitHub
parent a1488143a9 a03316e98f
commit 110cdbdf9a
21 changed files with 1458 additions and 143 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
src/include/86box/fdd_audio.h
View File

@@ -71,23 +71,6 @@ typedef enum {
MOTOR_STATE_STOPPING
} motor_state_t;
/* WAV header structure */
typedef struct {
char riff[4];
uint32_t size;
char wave[4];
char fmt[4];
uint32_t fmt_size;
uint16_t audio_format;
uint16_t num_channels;
uint32_t sample_rate;
uint32_t byte_rate;
uint16_t block_align;
uint16_t bits_per_sample;
char data[4];
uint32_t data_size;
} wav_header_t;
/* Audio sample structure */
typedef struct {
char filename[512];

2
src/include/86box/hdd.h
View File

@@ -172,6 +172,7 @@ typedef struct hard_disk_t {
uint32_t hpc;
uint32_t tracks;
uint32_t speed_preset;
uint32_t audio_profile;
uint32_t num_zones;
uint32_t phy_cyl;
@@ -233,6 +234,7 @@ extern double hdd_seek_get_time(hard_disk_t *hdd, uint32_t dst_addr, uint8_
int hdd_preset_get_num(void);
const char *hdd_preset_getname(int preset);
extern const char *hdd_preset_get_internal_name(int preset);
extern uint32_t hdd_preset_get_rpm(int preset);
extern int hdd_preset_get_from_internal_name(char *s);
extern void hdd_preset_apply(int hdd_id);

83
src/include/86box/hdd_audio.h Normal file
View File

@@ -0,0 +1,83 @@
/*
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the 86Box distribution.
*
* Definitions for the hard disk audio emulation.
*
* Authors: Toni Riikonen, <riikonen.toni@gmail.com>
*
* Copyright 2026 Toni Riikonen.
*/
#ifndef EMU_HDD_AUDIO_H
#define EMU_HDD_AUDIO_H
#include <stdint.h>
#include <86box/hdd.h>
#ifdef __cplusplus
extern "C" {
#endif
#define HDD_AUDIO_PROFILE_MAX 64
/* Spindle motor states */
typedef enum {
HDD_SPINDLE_STOPPED = 0,
HDD_SPINDLE_STARTING,
HDD_SPINDLE_RUNNING,
HDD_SPINDLE_STOPPING
} hdd_spindle_state_t;
/* Audio sample configuration structure */
typedef struct {
char filename[512];
float volume;
} hdd_audio_sample_config_t;
/* HDD audio profile configuration */
typedef struct {
int id;
char name[128];
char internal_name[64];
uint32_t rpm;
hdd_audio_sample_config_t spindlemotor_start;
hdd_audio_sample_config_t spindlemotor_loop;
hdd_audio_sample_config_t spindlemotor_stop;
hdd_audio_sample_config_t seek_track;
} hdd_audio_profile_config_t;
/* Functions for profile management */
extern void hdd_audio_load_profiles(void);
extern int hdd_audio_get_profile_count(void);
extern const hdd_audio_profile_config_t *hdd_audio_get_profile(int id);
extern const char *hdd_audio_get_profile_name(int id);
extern const char *hdd_audio_get_profile_internal_name(int id);
extern uint32_t hdd_audio_get_profile_rpm(int id);
extern int hdd_audio_get_profile_by_internal_name(const char *internal_name);
/* HDD audio initialization and cleanup */
extern void hdd_audio_init(void);
extern void hdd_audio_reset(void);
extern void hdd_audio_close(void);
extern void hdd_audio_callback(int16_t *buffer, int length);
extern void hdd_audio_seek(hard_disk_t *hdd, uint32_t new_cylinder);
/* Per-drive spindle control */
extern void hdd_audio_spinup_drive(int hdd_index);
extern void hdd_audio_spindown_drive(int hdd_index);
extern hdd_spindle_state_t hdd_audio_get_drive_spindle_state(int hdd_index);
/* Legacy functions for backward compatibility - operate on all drives */
extern void hdd_audio_spinup(void);
extern void hdd_audio_spindown(void);
extern hdd_spindle_state_t hdd_audio_get_spindle_state(void);
#ifdef __cplusplus
}
#endif
#endif /* EMU_HDD_AUDIO_H */

4
src/include/86box/sound.h
View File

@@ -103,6 +103,9 @@ extern void sound_cd_thread_reset(void);
extern void sound_fdd_thread_init(void);
extern void sound_fdd_thread_end(void);
extern void sound_hdd_thread_init(void);
extern void sound_hdd_thread_end(void);
extern void closeal(void);
extern void inital(void);
extern void givealbuffer(const void *buf);
@@ -110,6 +113,7 @@ extern void givealbuffer_music(const void *buf);
extern void givealbuffer_wt(const void *buf);
extern void givealbuffer_cd(const void *buf);
extern void givealbuffer_fdd(const void *buf, const uint32_t size);
extern void givealbuffer_hdd(const void *buf, const uint32_t size);
#define sb_vibra16c_onboard_relocate_base sb_vibra16s_onboard_relocate_base
#define sb_vibra16cl_onboard_relocate_base sb_vibra16s_onboard_relocate_base

28
src/include/86box/sound_util.h Normal file
View File

@@ -0,0 +1,28 @@
#ifndef SOUND_UTIL_H
#define SOUND_UTIL_H
#include <stdint.h>
/* WAV file header structure */
typedef struct wav_header_t {
char riff[4];
uint32_t file_size;
char wave[4];
char fmt[4];
uint32_t fmt_size;
uint16_t audio_format;
uint16_t num_channels;
uint32_t sample_rate;
uint32_t byte_rate;
uint16_t block_align;
uint16_t bits_per_sample;
char data[4];
uint32_t data_size;
} wav_header_t;
/* Load a WAV file and return stereo 16-bit samples
* Returns allocated buffer (caller must free) or NULL on error
* sample_count receives the number of stereo sample pairs */
int16_t *sound_load_wav(const char *filename, int *sample_count);
#endif /* SOUND_UTIL_H */