// license:BSD-3-Clause // copyright-holders:Olivier Galibert #ifndef _NAOMIM1_H_ #define _NAOMIM1_H_ #include "naomibd.h" #define MCFG_NAOMI_M1_BOARD_ADD(_tag, _eeprom_tag, _irq_cb) \ MCFG_NAOMI_BOARD_ADD(_tag, NAOMI_M1_BOARD, _eeprom_tag, _irq_cb) class naomi_m1_board : public naomi_board { public: naomi_m1_board(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); virtual DECLARE_ADDRESS_MAP(submap, 16) override; DECLARE_READ16_MEMBER(actel_id_r); protected: virtual void device_start() override; virtual void device_reset() override; virtual void board_setup_address(uint32_t address, bool is_dma) override; virtual void board_get_buffer(uint8_t *&base, uint32_t &limit) override; virtual void board_advance(uint32_t size) override; private: enum { BUFFER_SIZE = 32768 }; uint32_t key; uint16_t actel_id; std::unique_ptr buffer; uint8_t dict[111], hist[2]; uint64_t avail_val; uint32_t rom_cur_address, buffer_actual_size, avail_bits; bool encryption, stream_ended, has_history; required_memory_region m_region; void gb_reset(); uint32_t lookb(int bits); void skipb(int bits); uint32_t getb(int bits); void enc_reset(); void enc_fill(); uint32_t get_decrypted_32b(); void wb(uint8_t byte); }; extern const device_type NAOMI_M1_BOARD; #endif