// 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 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