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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert, David Carne
// Samsung KS0164 wavetable chip
#ifndef MAME_SOUND_KS0164_H
#define MAME_SOUND_KS0164_H
#pragma once
#include "cpu/ks0164/ks0164.h"
#include "diserial.h"
class ks0164_device : public device_t, public device_sound_interface, public device_memory_interface, public device_serial_interface
{
public:
ks0164_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock = XTAL::u(16934400));
void mpu401_data_w(u8 data);
void mpu401_ctrl_w(u8 data);
u8 mpu401_data_r();
u8 mpu401_status_r();
void midi_rx(int state) { rx_w(state); }
auto midi_tx() { return m_midi_tx.bind(); }
protected:
virtual void device_start() override;
virtual void device_reset() override;
virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
virtual void device_add_mconfig(machine_config &config) override;
virtual space_config_vector memory_space_config() const override;
virtual void tra_callback() override;
virtual void tra_complete() override;
virtual void rcv_complete() override;
TIMER_CALLBACK_MEMBER(irq_timer_tick);
private:
enum {
MPUS_RX_FULL = 0x01,
MPUS_TX_FULL = 0x02,
MPUS_RX_CTRL = 0x04,
MPUS_TX_INT = 0x40,
MPUS_RX_INT = 0x80
};
devcb_write_line m_midi_tx;
optional_memory_region m_mem_region;
required_device<ks0164_cpu_device> m_cpu;
address_space_config m_mem_config;
sound_stream *m_stream;
emu_timer *m_timer;
memory_access<23, 1, 0, ENDIANNESS_BIG>::cache m_mem_cache;
u32 m_bank1_base, m_bank2_base;
u16 m_bank1_select, m_bank2_select;
u16 m_sregs[0x20][0x20];
u8 m_mpu_in;
u8 m_mpu_out;
u8 m_mpu_status;
u8 m_midi_in;
bool m_midi_in_active;
u8 m_unk60;
u8 m_voice_select;
u8 m_irqen_76, m_irqen_77;
bool m_timer_interrupt;
void cpu_map(address_map &map);
u16 vec_r(offs_t offset, u16 mem_mask);
u16 rom_r(offs_t offset, u16 mem_mask);
u16 bank1_r(offs_t offset, u16 mem_mask);
void bank1_w(offs_t offset, u16 data, u16 mem_mask);
u16 bank2_r(offs_t offset, u16 mem_mask);
void bank2_w(offs_t offset, u16 data, u16 mem_mask);
u16 bank1_select_r();
void bank1_select_w(offs_t, u16 data, u16 mem_mask);
u16 bank2_select_r();
void bank2_select_w(offs_t, u16 data, u16 mem_mask);
u8 irqen_76_r();
void irqen_76_w(u8 data);
u8 irqen_77_r();
void irqen_77_w(u8 data);
u8 unk60_r();
void unk60_w(u8 data);
u8 voice_select_r();
void voice_select_w(u8 data);
u16 voice_r(offs_t offset);
void voice_w(offs_t offset, u16 data, u16 mem_mask);
void mpuin_set(bool control, u8 data);
u8 mpu401_r();
void mpu401_w(u8 data);
u8 mpu401_istatus_r();
void mpu401_istatus_w(u8 data);
u8 midi_r();
void midi_w(u8 data);
u8 midi_status_r();
void midi_status_w(u8 data);
static inline u16 uncomp_8_16(u8 value);
};
DECLARE_DEVICE_TYPE(KS0164, ks0164_device)
#endif
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