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SB AWE32 emulation.

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This commit is contained in:
TomW 2013-07-23 22:04:17 +01:00
commit 39a3c8b1c7
6 changed files with 814 additions and 2 deletions
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81
src/sound_emu8k.h Normal file
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typedef struct emu8k_t
{
struct
{
uint32_t cpf;
uint32_t ptrx;
uint32_t cvcf;
uint32_t vtft;
uint32_t psst;
uint32_t csl;
uint32_t ccca;
uint16_t init1, init2, init3, init4;
uint16_t envvol;
uint16_t dcysusv;
uint16_t envval;
uint16_t dcysus;
uint16_t atkhldv;
uint16_t lfo1val, lfo2val;
uint16_t atkhld;
uint16_t ip;
uint16_t ifatn;
uint16_t pefe;
uint16_t fmmod;
uint16_t tremfrq;
uint16_t fm2frq2;
int voice_on;
uint64_t addr;
uint64_t loop_start, loop_end;
uint16_t pitch;
int attenuation;
int env_state, env_vol;
int env_attack, env_decay, env_sustain, env_release;
int menv_state, menv_vol;
int menv_attack, menv_decay, menv_sustain, menv_release;
int lfo1_count, lfo2_count;
int8_t lfo1_fmmod, lfo2_fmmod;
int8_t lfo1_trem;
int vol_l, vol_r;
int8_t fe_height;
int64_t vlp, vbp, vhp;
int32_t q;
int filter_offset;
/* float vlp, vbp, vhp;
float q;*/
int cutoff;
} voice[32];
uint32_t hwcf1, hwcf2, hwcf3;
uint32_t hwcf4, hwcf5, hwcf6;
uint32_t smalr, smarr, smalw, smarw;
uint16_t smld_buffer, smrd_buffer;
uint16_t wc;
uint16_t c02_read;
int16_t *ram, *rom;
int cur_reg, cur_voice;
int timer_count;
int16_t out_l, out_r;
} emu8k_t;
void emu8k_init(emu8k_t *emu8k);
void emu8k_poll_getsamp(emu8k_t *dsp, int16_t *l, int16_t *r);