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// license:BSD-3-Clause
// copyright-holders:Ryan Holtz
/*************************************************************************
ldv1000hle.h
Pioneer LD-V4200 laserdisc player simulation.
*************************************************************************/
#ifndef MAME_MACHINE_LDV4200_H
#define MAME_MACHINE_LDV4200_H
#pragma once
#include "laserdsc.h"
#include "diserial.h"
//**************************************************************************
// GLOBAL VARIABLES
//**************************************************************************
// device type definition
DECLARE_DEVICE_TYPE(PIONEER_LDV4200HLE, pioneer_ldv4200hle_device)
//**************************************************************************
// GLOBAL HELPERS
//**************************************************************************
// Note: This should be included within the class rather than the global namespace.
// However, doing so results in a "called in a constant expression before its definition is complete" error for the enum values.
static constexpr uint16_t make_ldv4000_command(const char *str) { return ((uint8_t)str[0] << 8) | (uint8_t)str[1]; }
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> pioneer_ldv4200hle_device
class pioneer_ldv4200hle_device : public laserdisc_device, public device_serial_interface
{
public:
// construction/destruction
pioneer_ldv4200hle_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock = XTAL());
auto serial_tx() { return m_serial_tx.bind(); }
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// laserdisc overrides
virtual void player_vsync(const vbi_metadata &vbi, int fieldnum, const attotime &curtime) override;
virtual int32_t player_update(const vbi_metadata &vbi, int fieldnum, const attotime &curtime) override;
virtual void player_overlay(bitmap_yuy16 &bitmap) override { }
// diserial overrides
virtual void rcv_complete() override;
virtual void tra_complete() override;
virtual void tra_callback() override;
TIMER_CALLBACK_MEMBER(process_vbi_data);
private:
enum player_command : uint16_t
{
CMD_DOOR_OPEN = make_ldv4000_command("OP"),
CMD_DOOR_CLOSE = make_ldv4000_command("CO"),
CMD_REJECT = make_ldv4000_command("RJ"),
CMD_START = make_ldv4000_command("SA"),
CMD_PLAY = make_ldv4000_command("PL"),
CMD_PAUSE = make_ldv4000_command("PA"),
CMD_STILL = make_ldv4000_command("ST"),
CMD_STEP_FORWARD = make_ldv4000_command("SF"),
CMD_STEP_REVERSE = make_ldv4000_command("SR"),
CMD_SCAN_FORWARD = make_ldv4000_command("NF"),
CMD_SCAN_REVERSE = make_ldv4000_command("NR"),
CMD_MULTISPEED_FORWARD = make_ldv4000_command("MF"),
CMD_MULTISPEED_REVERSE = make_ldv4000_command("MR"),
CMD_SPEED_SET = make_ldv4000_command("SP"),
CMD_SEARCH = make_ldv4000_command("SE"),
CMD_MULTITRACK_FORWARD = make_ldv4000_command("JF"),
CMD_MULTITRACK_REVERSE = make_ldv4000_command("JR"),
CMD_STOP_MARKER = make_ldv4000_command("SM"),
CMD_FRAME_SET = make_ldv4000_command("FR"),
CMD_TIME_SET = make_ldv4000_command("TM"),
CMD_CHAPTER_SET = make_ldv4000_command("CH"),
CMD_CLEAR = make_ldv4000_command("CL"),
CMD_LEADOUT_SYMBOL = make_ldv4000_command("LO"),
CMD_AUDIO_CTRL = make_ldv4000_command("AD"),
CMD_VIDEO_CTRL = make_ldv4000_command("VD"),
CMD_KEY_LOCK = make_ldv4000_command("KL"),
CMD_DISPLAY_CONTROL = make_ldv4000_command("DS"),
CMD_CLEAR_SCREEN = make_ldv4000_command("CS"),
CMD_PRINT_CHAR = make_ldv4000_command("PR"),
CMD_REQ_FRAME_NUMBER = make_ldv4000_command("?F"),
CMD_REQ_TIME_CODE = make_ldv4000_command("?T"),
CMD_REQ_CHAPTER_NUMBER = make_ldv4000_command("?C"),
CMD_REQ_PLAYER_MODE = make_ldv4000_command("?P"),
CMD_REQ_DISC_STATUS = make_ldv4000_command("?D"),
CMD_REQ_LDP_MODEL = make_ldv4000_command("?X"),
CMD_REQ_PIONEER_DISC_ID = make_ldv4000_command("?U"),
CMD_REQ_STANDARD_DISC_ID = make_ldv4000_command("$Y"),
CMD_REQ_TV_SYSTEM = make_ldv4000_command("?S"),
CMD_COMMUNICATION_CTRL = make_ldv4000_command("CM"),
CMD_REQ_CCR_MODE = make_ldv4000_command("?M"),
CMD_REGISTER_A_SET = make_ldv4000_command("RA"),
CMD_REGISTER_B_SET = make_ldv4000_command("RB"),
CMD_REGISTER_C_SET = make_ldv4000_command("RC"),
CMD_REGISTER_D_SET = make_ldv4000_command("RD"),
CMD_REQ_REGISTER_A = make_ldv4000_command("$A"),
CMD_REQ_REGISTER_B = make_ldv4000_command("$B"),
CMD_REQ_REGISTER_C = make_ldv4000_command("$C"),
CMD_REQ_REGISTER_D = make_ldv4000_command("$D"),
CMD_REQ_INPUT_UNIT = make_ldv4000_command("#I"),
CMD_INPUT_NUMBER_WAIT = make_ldv4000_command("?N")
};
enum player_mode : uint8_t
{
MODE_PARK,
MODE_DOOR_OPEN,
MODE_PAUSE,
MODE_PLAY,
MODE_MS_FORWARD,
MODE_MS_REVERSE,
MODE_SEARCH,
MODE_STILL
};
enum address_mode : uint8_t
{
ADDRESS_FRAME,
ADDRESS_TIME,
ADDRESS_CHAPTER
};
enum error_code : uint8_t
{
ERR_NONE = 0xff,
ERR_COMMUNICATION = 0,
ERR_NOT_AVAILABLE = 4,
ERR_MISSING_ARGUMENT = 6,
ERR_DISC_NOT_LOADED = 11,
ERR_SEARCH = 12,
ERR_DEFOCUS = 13,
ERR_PICTURE_STOP = 15,
ERR_OTHER_INPUT = 16,
ERR_PANIC = 99
};
void add_command_byte(uint8_t data);
void queue_reply(const char *reply);
void queue_error(error_code err);
void normalize_command_buffer();
void process_command_buffer();
static uint32_t bcd_to_literal(uint32_t bcd);
static bool is_number(char value);
uint8_t parse_numeric_value(uint8_t cmd_index, uint32_t &value, error_code &err);
uint8_t process_command(uint8_t cmd_index, uint32_t value, error_code &err);
void begin_search(uint32_t value);
void update_audio_squelch();
void update_video_enable();
// internal state
devcb_write_line m_serial_tx;
emu_timer * m_vbi_fetch;
char m_cmd_buffer[21];
uint8_t m_cmd_length;
bool m_cmd_running;
char m_reply_buffer[64];
uint8_t m_reply_write_index;
uint8_t m_reply_read_index;
bool m_replying;
uint8_t m_mode; // current player mode
uint32_t m_chapter;
uint32_t m_time;
uint32_t m_frame; // raw frame index (CAV mode)
uint32_t m_search_chapter;
uint32_t m_search_frame;
uint32_t m_mark_chapter;
uint32_t m_mark_frame;
uint8_t m_key_lock;
uint8_t m_video_switch;
uint8_t m_audio_switch;
uint8_t m_display_switch;
uint8_t m_address_flag;
uint16_t m_speed;
uint32_t m_speed_accum;
uint8_t m_comm_ctrl;
uint8_t m_reg_a;
uint8_t m_reg_b;
uint8_t m_reg_c;
uint8_t m_reg_d;
uint8_t m_aux_port;
uint32_t m_curr_frame;
};
#endif // MAME_MACHINE_LDV4200_H
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