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// 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 <typename T>
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<T>(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 <uint8_t First> 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<uint8_t[]> 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<psxcontrollerports_device> m_controllers;
required_ioport m_meta;
};
DECLARE_DEVICE_TYPE(KONAMI_573_MEMORY_CARD_READER, k573mcr_device)
#endif // MAME_MACHINE_K573_MCR_H
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