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// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
#ifndef MAME_BUS_NES_SUNSOFT_H
#define MAME_BUS_NES_SUNSOFT_H
#pragma once
#include "nxrom.h"
#include "sound/ay8910.h"
// ======================> nes_sunsoft_1_device
class nes_sunsoft_1_device : public nes_nrom_device
{
public:
// construction/destruction
nes_sunsoft_1_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual void write_m(offs_t offset, uint8_t data) override;
virtual void pcb_reset() override;
};
// ======================> nes_sunsoft_2_device
class nes_sunsoft_2_device : public nes_nrom_device
{
public:
// construction/destruction
nes_sunsoft_2_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual void write_h(offs_t offset, uint8_t data) override;
virtual void pcb_reset() override;
};
// ======================> nes_sunsoft_3_device
class nes_sunsoft_3_device : public nes_nrom_device
{
public:
// construction/destruction
nes_sunsoft_3_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual void write_h(offs_t offset, uint8_t data) override;
virtual void pcb_reset() override;
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param) override;
private:
uint16_t m_irq_count;
int m_irq_enable, m_irq_toggle;
static const device_timer_id TIMER_IRQ = 0;
emu_timer *irq_timer;
};
// ======================> nes_sunsoft_4_device
class nes_sunsoft_4_device : public nes_nrom_device
{
public:
// construction/destruction
nes_sunsoft_4_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
virtual u8 read_m(offs_t offset) override;
virtual void write_m(offs_t offset, u8 data) override;
void sun4_write(offs_t offset, u8 data);
virtual void write_h(offs_t offset, u8 data) override { sun4_write(offset, data); }
virtual void pcb_reset() override;
protected:
nes_sunsoft_4_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock);
// device-level overrides
virtual void device_start() override;
u8 m_wram_enable;
private:
void sun4_mirror();
u8 m_reg[3];
};
// ======================> nes_sunsoft_fme7_device
class nes_sunsoft_fme7_device : public nes_nrom_device
{
public:
// construction/destruction
nes_sunsoft_fme7_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual uint8_t read_m(offs_t offset) override;
virtual void write_m(offs_t offset, uint8_t data) override;
void fme7_write(offs_t offset, uint8_t data);
virtual void write_h(offs_t offset, uint8_t data) override { fme7_write(offset, data); }
virtual void pcb_reset() override;
protected:
nes_sunsoft_fme7_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual void device_start() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param) override;
private:
uint16_t m_irq_count;
int m_irq_enable;
static const device_timer_id TIMER_IRQ = 0;
emu_timer *irq_timer;
uint8_t m_latch;
uint8_t m_wram_bank;
};
// ======================> nes_sunsoft_5_device
class nes_sunsoft_5_device : public nes_sunsoft_fme7_device
{
public:
// construction/destruction
nes_sunsoft_5_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual void write_h(offs_t offset, uint8_t data) override;
protected:
virtual void device_add_mconfig(machine_config &config) override;
private:
required_device<ay8910_device> m_ym2149;
};
// device type definition
DECLARE_DEVICE_TYPE(NES_SUNSOFT_1, nes_sunsoft_1_device)
DECLARE_DEVICE_TYPE(NES_SUNSOFT_2, nes_sunsoft_2_device)
DECLARE_DEVICE_TYPE(NES_SUNSOFT_3, nes_sunsoft_3_device)
DECLARE_DEVICE_TYPE(NES_SUNSOFT_4, nes_sunsoft_4_device)
DECLARE_DEVICE_TYPE(NES_SUNSOFT_FME7, nes_sunsoft_fme7_device)
DECLARE_DEVICE_TYPE(NES_SUNSOFT_5, nes_sunsoft_5_device)
#endif // MAME_BUS_NES_SUNSOFT_H
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