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sound_sb_dsp.h
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sound_sb_dsp.h
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#ifndef SOUND_SB_DSP_H
#define SOUND_SB_DSP_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*/
#define SB_SUBTYPE_CLONE_AZT1605_0X0C 2 /*Aztech Sound Galaxy Nova 16 Extra / Packard Bell Forte 16, DSP 2.1 - SBPRO2 clone*/
// aztech-related
#define IS_AZTECH(dsp) ((dsp)->sb_subtype == SB_SUBTYPE_CLONE_AZT2316A_0X11 || (dsp)->sb_subtype == SB_SUBTYPE_CLONE_AZT1605_0X0C) // check for future AZT cards here
#define AZTECH_EEPROM_SIZE 16
typedef struct sb_dsp_t
{
int sb_type;
int sb_subtype; // which clone
void *parent; // "sb_t *" if default subtype, "azt2316a_t *" if aztech.
int sb_8_length, sb_8_format, sb_8_autoinit, sb_8_pause, sb_8_enable, sb_8_autolen, sb_8_output;
int sb_8_dmanum;
int sb_16_length, sb_16_format, sb_16_autoinit, sb_16_pause, sb_16_enable, sb_16_autolen, sb_16_output;
int sb_16_dmanum;
int sb_pausetime;
uint8_t sb_read_data[256];
int sb_read_wp, sb_read_rp;
int sb_speaker;
int muted;
int sb_data_stat;
int sb_irqnum;
uint8_t sbe2;
int sbe2count;
uint8_t sb_data[8];
int sb_freq;
int16_t sbdat;
int sbdat2;
int16_t sbdatl, sbdatr;
uint8_t sbref;
int8_t sbstep;
int sbdacpos;
int sbleftright;
int sbreset;
uint8_t sbreaddat;
uint8_t sb_command;
uint8_t sb_test;
int sb_timei, sb_timeo;
int sb_irq8, sb_irq16;
uint8_t sb_asp_regs[256];
int sbenable, sb_enable_i;
pc_timer_t output_timer, input_timer;
uint64_t sblatcho, sblatchi;
uint16_t sb_addr;
int stereo;
int asp_data_len;
pc_timer_t wb_timer;
int wb_full;
int busy_count;
int record_pos_read;
int record_pos_write;
int16_t record_buffer[0xFFFF];
int16_t buffer[MAXSOUNDBUFLEN * 2];
int pos;
uint8_t azt_eeprom[AZTECH_EEPROM_SIZE]; // the eeprom in the Aztech cards is attached to the DSP
} sb_dsp_t;
void sb_dsp_init(sb_dsp_t *dsp, int type, int subtype, void *parent);
void sb_dsp_close(sb_dsp_t *dsp);
void sb_dsp_setirq(sb_dsp_t *dsp, int irq);
void sb_dsp_setdma8(sb_dsp_t *dsp, int dma);
void sb_dsp_setdma16(sb_dsp_t *dsp, int dma);
void sb_dsp_setaddr(sb_dsp_t *dsp, uint16_t addr);
void sb_dsp_speed_changed(sb_dsp_t *dsp);
void sb_dsp_poll(sb_dsp_t *dsp, int16_t *l, int16_t *r);
void sb_dsp_set_stereo(sb_dsp_t *dsp, int stereo);
void sb_dsp_add_status_info(char *s, int max_len, sb_dsp_t *dsp);
void sb_dsp_update(sb_dsp_t *dsp);
#endif /* SOUND_SB_DSP_H */