// license:BSD-3-Clause // copyright-holders:smf, windyfairy /* * Konami 573 Memory Card Reader * */ #ifndef MAME_MACHINE_K573_MCR_H #define MAME_MACHINE_K573_MCR_H #pragma once #include "bus/psx/ctlrport.h" #include "machine/jvsdev.h" #include "machine/timer.h" class k573mcr_device : public jvs_device { public: template k573mcr_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, T &&jvs_host_tag) : k573mcr_device(mconfig, tag, owner, clock) { host.set_tag(std::forward(jvs_host_tag)); } k573mcr_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); virtual ioport_constructor device_input_ports() const override; DECLARE_WRITE_LINE_MEMBER(write_rxd); protected: template void set_port_tags() { } virtual void device_start() override; virtual void device_reset() override; virtual void device_add_mconfig(machine_config &config) override; virtual const tiny_rom_entry *device_rom_region() const override; // JVS device overrides virtual const char *device_id() override; virtual uint8_t command_format_version() override; virtual uint8_t jvs_standard_version() override; virtual uint8_t comm_method_version() override; virtual int handle_message(const uint8_t *send_buffer, uint32_t send_size, uint8_t *&recv_buffer) override; private: enum { MEMCARD_UNINITIALIZED = 0x0000, // Default value, also used after writing? MEMCARD_ERROR = 0x0002, MEMCARD_UNAVAILABLE = 0x0008, // Card is not inserted MEMCARD_READING = 0x0200, // Read request is executing MEMCARD_WRITING = 0x0400, // Write request is executing MEMCARD_AVAILABLE = 0x8000 // Can be combined with MEMCARD_READING and MEMCARD_WRITING for busy state }; enum { RAM_SIZE = 0x400000, MEMCARD_BLOCK_SIZE = 128 }; void controller_set_port(uint32_t port_no); uint8_t controller_port_send_byte(uint8_t data); bool pad_read(uint32_t port_no, uint8_t *output); bool memcard_read(uint32_t port_no, uint16_t block_addr, uint8_t *output); bool memcard_write(uint32_t port_no, uint16_t block_addr, uint8_t *input); std::unique_ptr m_ram; uint16_t m_status; bool m_is_memcard_initialized; uint8_t m_psx_rx_data, m_psx_rx_bit; bool m_psx_clock; required_device m_controllers; required_ioport m_meta; }; DECLARE_DEVICE_TYPE(KONAMI_573_MEMORY_CARD_READER, k573mcr_device) #endif // MAME_MACHINE_K573_MCR_H