// license:BSD-3-Clause // copyright-holders:Fabio Priuli #ifndef MAME_BUS_NES_NTDEC_H #define MAME_BUS_NES_NTDEC_H #pragma once #include "nxrom.h" // ======================> nes_ntdec_asder_device class nes_ntdec_asder_device : public nes_nrom_device { public: // construction/destruction nes_ntdec_asder_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); virtual void write_h(offs_t offset, u8 data) override; virtual void pcb_reset() override; protected: // device-level overrides virtual void device_start() override ATTR_COLD; private: u8 m_latch, m_chr_outer; }; // ======================> nes_ntdec_fh_device class nes_ntdec_fh_device : public nes_nrom_device { public: // construction/destruction nes_ntdec_fh_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); virtual void write_m(offs_t offset, u8 data) override; virtual void pcb_reset() override; }; // ======================> nes_ntdec_n715021_device class nes_ntdec_n715021_device : public nes_nrom_device { public: // construction/destruction nes_ntdec_n715021_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); virtual void write_h(offs_t offset, u8 data) override; virtual void pcb_reset() override; }; // device type definition DECLARE_DEVICE_TYPE(NES_NTDEC_ASDER, nes_ntdec_asder_device) DECLARE_DEVICE_TYPE(NES_NTDEC_FH, nes_ntdec_fh_device) DECLARE_DEVICE_TYPE(NES_NTDEC_N715021, nes_ntdec_n715021_device) #endif // MAME_BUS_NES_NTDEC_H