ref: 2b7e9f69fbd3802da36575de0bd7c8cb5a3716a8
dir: /spc_player.h/
#include <stddef.h> #include "snes/dsp.h" typedef struct Channel { uint16 pattern_order_ptr_for_chan; uint8 note_ticks_left; uint8 note_keyoff_ticks_left; uint8 subroutine_num_loops; uint8 volume_fade_ticks; uint8 pan_num_ticks; uint8 pitch_slide_length; uint8 pitch_slide_delay_left; uint8 vibrato_hold_count; uint8 vib_depth; uint8 tremolo_hold_count; uint8 tremolo_depth; uint8 vibrato_change_count; uint8 note_length; uint8 note_gate_off_fixedpt; uint8 channel_volume_master; uint8 instrument_id; uint16 instrument_pitch_base; uint16 saved_pattern_ptr; uint16 pattern_start_ptr; uint8 pitch_envelope_num_ticks; uint8 pitch_envelope_delay; uint8 pitch_envelope_direction; uint8 pitch_envelope_slide_value; uint8 vibrato_count; uint8 vibrato_rate; uint8 vibrato_delay_ticks; uint8 vibrato_fade_num_ticks; uint8 vibrato_fade_add_per_tick; uint8 vibrato_depth_target; uint8 tremolo_count; uint8 tremolo_rate; uint8 tremolo_delay_ticks; uint8 channel_transposition; uint16 channel_volume; uint16 volume_fade_addpertick; uint8 volume_fade_target; uint8 final_volume; uint16 pan_value; uint16 pan_add_per_tick; uint8 pan_target_value; uint8 pan_flag_with_phase_invert; uint16 pitch; uint16 pitch_add_per_tick; uint8 pitch_target; uint8 fine_tune; uint16 sfx_sound_ptr; uint8 sfx_which_sound; uint8 sfx_arr_countdown; uint8 sfx_note_length_left; uint8 sfx_note_length; uint8 sfx_pan; uint8 index; } Channel; typedef struct SpcPlayer { DspRegWriteHistory *reg_write_history; uint8 timer_cycles; Dsp *dsp; uint8 new_value_from_snes[4]; uint8 port_to_snes[4]; uint8 last_value_from_snes[4]; uint8 counter_sf0c; uint16 _always_zero; uint16 temp_accum; uint8 ttt; uint8 did_affect_volumepitch_flag; uint16 addr0; uint16 addr1; uint16 lfsr_value; uint8 is_chan_on; uint8 fast_forward; uint8 sfx_start_arg_pan; uint16 sfx_sound_ptr_cur; uint16 music_ptr_toplevel; uint8 block_count; uint8 sfx_timer_accum; uint8 chn; uint8 key_ON; uint8 key_OFF; uint8 cur_chan_bit; uint8 reg_FLG; uint8 reg_NON; uint8 reg_EON; uint8 reg_PMON; uint8 echo_stored_time; uint8 echo_parameter_EDL; uint8 reg_EFB; uint8 global_transposition; uint8 main_tempo_accum; uint16 tempo; uint8 tempo_fade_num_ticks; uint8 tempo_fade_final; uint16 tempo_fade_add; uint16 master_volume; uint8 master_volume_fade_ticks; uint8 master_volume_fade_target; uint16 master_volume_fade_add_per_tick; uint8 vol_dirty; uint8 percussion_base_id; uint16 echo_volume_left; uint16 echo_volume_right; uint16 echo_volume_fade_add_left; uint16 echo_volume_fade_add_right; uint8 echo_volume_fade_ticks; uint8 echo_volume_fade_target_left; uint8 echo_volume_fade_target_right; uint8 sfx_channel_index; uint8 current_bit; uint8 dsp_register_index; uint8 echo_channels; uint8 byte_3C4; uint8 byte_3C5; uint8 echo_fract_incr; uint8 sfx_channel_index2; uint8 sfx_channel_bit; uint8 pause_music_ctr; uint8 port2_active; uint8 port2_current_bit; uint8 port3_active; uint8 port3_current_bit; uint8 port1_active; uint8 port1_current_bit; uint8 byte_3E1; uint8 sfx_play_echo_flag; uint8 sfx_channels_echo_mask2; uint8 port1_counter; uint8 channel_67_volume; uint8 cutk_always_zero; uint8 last_written_edl; uint8 input_ports[4]; Channel channel[8]; uint8 ram[65536]; // rest of ram } SpcPlayer; SpcPlayer *SpcPlayer_Create(); void SpcPlayer_GenerateSamples(SpcPlayer *p); void SpcPlayer_Initialize(SpcPlayer *p); void SpcPlayer_Upload(SpcPlayer *p, const uint8_t *data); void SpcPlayer_CopyVariablesFromRam(SpcPlayer *p); void SpcPlayer_CopyVariablesToRam(SpcPlayer *p);