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Fixing ESPCM 1/2

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This commit is contained in:
Kagamiin~
2024-03-19 13:01:54 -03:00
parent 011b06441d
commit 40607b291d
3 changed files with 201 additions and 107 deletions
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5
src/include/86box/fifo.h
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@@ -1,3 +1,6 @@
#ifndef FIFO_H
#define FIFO_H
/*
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
@@ -71,3 +74,5 @@ extern void fifo_reset(void *priv);
extern void fifo_reset_evt(void *priv);
extern void fifo_close(void *priv);
extern void *fifo_init(int len);
#endif /*FIFO_H*/

29
src/include/86box/snd_sb_dsp.h
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@@ -1,6 +1,8 @@
#ifndef SOUND_SND_SB_DSP_H
#define SOUND_SND_SB_DSP_H
#include <86box/fifo.h>
/*Sound Blaster Clones, for quirks*/
#define SB_SUBTYPE_DEFAULT 0 /*Handle as a Creative card*/
#define SB_SUBTYPE_CLONE_AZT2316A_0X11 1 /*Aztech Sound Galaxy Pro 16 AB, DSP 3.1 - SBPRO2 clone*/
@@ -142,20 +144,25 @@ typedef struct sb_dsp_t {
uint8_t azt_eeprom[AZTECH_EEPROM_SIZE]; /* the eeprom in the Aztech cards is attached to the DSP */
uint8_t ess_regs[256]; /* ESS registers. */
uint8_t ess_playback_mode;
uint8_t ess_extended_mode;
uint8_t ess_reload_len;
uint8_t ess_regs[256]; /* ESS registers. */
uint8_t ess_playback_mode;
uint8_t ess_extended_mode;
uint8_t ess_reload_len;
uint32_t ess_dma_counter;
int ess_irq_generic;
int ess_irq_dmactr;
// ESPCM
uint8_t espcm_sample_idx;
uint8_t espcm_range;
uint8_t espcm_byte_buffer[4];
uint8_t espcm_code_buffer[19]; /* used for ESPCM_3 and for ESPCM_4 recording */
int8_t espcm_sample_buffer[19]; /* used for ESPCM_4 recording */
uint8_t espcm_table_index; /* used for ESPCM_3 */
uint8_t espcm_last_value; /* used for ESPCM_3 */
fifo64_t *espcm_fifo;
int espcm_fifo_reset;
int espcm_mode;
uint8_t espcm_sample_idx;
uint8_t espcm_range;
uint8_t espcm_byte_buffer[4];
uint8_t espcm_code_buffer[19]; /* used for ESPCM_3 and for ESPCM_4 recording */
int8_t espcm_sample_buffer[19]; /* used for ESPCM_4 recording */
uint8_t espcm_table_index; /* used for ESPCM_3 */
uint8_t espcm_last_value; /* used for ESPCM_3 */
mpu_t *mpu;
} sb_dsp_t;