// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
// Yamaha SWP30/30B, rompler/dsp combo
#ifndef DEVICES_SOUND_SWP30_H
#define DEVICES_SOUND_SWP30_H
#pragma once
#include "meg.h"
class swp30_device : public device_t, public device_sound_interface, public device_rom_interface
{
public:
swp30_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 33868800);
void map(address_map &map);
protected:
virtual void device_start() override;
virtual void device_reset() override;
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;
virtual void rom_bank_updated() override;
virtual void device_add_mconfig(machine_config &config) override;
private:
required_device<meg_embedded_device> m_meg;
sound_stream *m_stream;
s32 m_sample_increment[0x4000];
s32 m_linear_attenuation[0x100];
s16 m_sample_log8[0x100];
u64 m_program[0x180];
u64 m_keyon_mask, m_active_mask;
u32 m_pre_size[0x40], m_post_size[0x40], m_address[0x40];
s32 m_sample_pos[64];
s32 m_sample_history[0x40][2][2];
u16 m_program_pfp[0x180], m_program_pint[0x80], m_program_plfo[0x80];
u16 m_volume[0x40], m_freq[0x40], m_pan[0x40], m_dry_rev[0x40], m_cho_var[0x40];
u16 m_envelope[0x40][3];
u16 m_lpf_cutoff[0x40], m_lpf_cutoff_inc[0x40], m_lpf_reso[0x40], m_hpf_cutoff[0x40];
s16 m_eq_filter[0x40][6];
u16 m_routing[0x40][3];
u16 m_map[8];
u16 m_program_address;
// AWM2 per-channel registers
u16 lpf_cutoff_r(offs_t offset);
void lpf_cutoff_w(offs_t offset, u16 data);
u16 lpf_cutoff_inc_r(offs_t offset);
void lpf_cutoff_inc_w(offs_t offset, u16 data);
u16 hpf_cutoff_r(offs_t offset);
void hpf_cutoff_w(offs_t offset, u16 data);
u16 lpf_reso_r(offs_t offset);
void lpf_reso_w(offs_t offset, u16 data);
template<int sel> u16 envelope_r(offs_t offset);
template<int sel> void envelope_w(offs_t offset, u16 data);
template<int coef> u16 eq_filter_r(offs_t offset);
template<int coef> void eq_filter_w(offs_t offset, u16 data);
u16 volume_r(offs_t offset);
void volume_w(offs_t offset, u16 data);
u16 freq_r(offs_t offset);
void freq_w(offs_t offset, u16 data);
u16 pre_size_h_r(offs_t offset);
u16 pre_size_l_r(offs_t offset);
void pre_size_h_w(offs_t offset, u16 data);
void pre_size_l_w(offs_t offset, u16 data);
u16 post_size_h_r(offs_t offset);
u16 post_size_l_r(offs_t offset);
void post_size_h_w(offs_t offset, u16 data);
void post_size_l_w(offs_t offset, u16 data);
u16 address_h_r(offs_t offset);
u16 address_l_r(offs_t offset);
void address_h_w(offs_t offset, u16 data);
void address_l_w(offs_t offset, u16 data);
u16 pan_r(offs_t offset);
void pan_w(offs_t offset, u16 data);
u16 dry_rev_r(offs_t offset);
void dry_rev_w(offs_t offset, u16 data);
u16 cho_var_r(offs_t offset);
void cho_var_w(offs_t offset, u16 data);
template<int sel> u16 routing_r(offs_t offset);
template<int sel> void routing_w(offs_t offset, u16 data);
// Control registers
template<int sel> u16 keyon_mask_r();
template<int sel> void keyon_mask_w(u16 data);
u16 keyon_r();
void keyon_w(u16);
u16 prg_address_r();
void prg_address_w(u16 data);
template<int sel> u16 prg_r();
template<int sel> void prg_w(u16 data);
template<int sel> u16 map_r();
template<int sel> void map_w(u16 data);
// MEG registers
template<int sel> u16 prg_fp_r(offs_t offset);
template<int sel> void prg_fp_w(offs_t offset, u16 data);
template<int sel> u16 prg_off_r(offs_t offset);
template<int sel> void prg_off_w(offs_t offset, u16 data);
template<int sel> u16 prg_lfo_r(offs_t offset);
template<int sel> void prg_lfo_w(offs_t offset, u16 data);
// Generic catch-all
u16 snd_r(offs_t offset);
void snd_w(offs_t offset, u16 data);
inline auto &rchan(address_map &map, int idx) {
return map(idx*2, idx*2+1).select(0x1f80);
}
inline auto &rctrl(address_map &map, int idx) {
int slot = 0x40*(idx >> 1) | 0xe | (idx & 1);
return map(slot*2, slot*2+1);
}
};
DECLARE_DEVICE_TYPE(SWP30, swp30_device)
#endif