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// license:BSD-3-Clause
// copyright-holders:Mike Balfour
/*************************************************************************
Atari Night Driver hardware
*************************************************************************/
#ifndef MAME_INCLUDES_NITEDRVR_H
#define MAME_INCLUDES_NITEDRVR_H
#pragma once
#include "machine/timer.h"
#include "sound/discrete.h"
#include "emupal.h"
// Discrete Sound Input Nodes
#define NITEDRVR_BANG_DATA NODE_01
#define NITEDRVR_SKID1_EN NODE_02
#define NITEDRVR_SKID2_EN NODE_03
#define NITEDRVR_MOTOR_DATA NODE_04
#define NITEDRVR_CRASH_EN NODE_05
#define NITEDRVR_ATTRACT_EN NODE_06
class nitedrvr_state : public driver_device
{
public:
nitedrvr_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_discrete(*this, "discrete"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette"),
m_videoram(*this, "videoram"),
m_hvc(*this, "hvc"),
m_steer(*this, "STEER"),
m_gears(*this, "GEARS"),
m_in0(*this, "IN0"),
m_dsw(*this, "DSW%u", 0U),
m_led(*this, "led"),
m_track_sel(*this, "track%u", 1U),
m_gear_sel(*this, "gear%u", 1U)
{ }
void nitedrvr(machine_config &config);
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
private:
uint8_t steering_reset_r();
void steering_reset_w(uint8_t data);
uint8_t in0_r(offs_t offset);
uint8_t in1_r(offs_t offset);
void out0_w(uint8_t data);
void out1_w(uint8_t data);
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_DEVICE_CALLBACK_MEMBER(crash_toggle_callback);
void draw_box(bitmap_ind16 &bitmap, const rectangle &cliprect, int bx, int by, int ex, int ey);
void draw_roadway(bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_tiles(bitmap_ind16 &bitmap, const rectangle &cliprect);
int steering();
void main_map(address_map &map);
// devices
required_device<cpu_device> m_maincpu;
required_device<discrete_device> m_discrete;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
// memory pointers
required_shared_ptr<uint8_t> m_videoram;
required_shared_ptr<uint8_t> m_hvc;
// input
uint8_t m_gear = 0;
uint8_t m_track = 0;
int32_t m_steering_buf = 0;
int32_t m_steering_val = 0;
uint8_t m_crash_en = 0;
uint8_t m_crash_data = 0;
uint8_t m_crash_data_en = 0; // IC D8
uint8_t m_ac_line = 0;
int32_t m_last_steering_val = 0;
required_ioport m_steer, m_gears, m_in0;
required_ioport_array<3> m_dsw;
// output
output_finder<> m_led;
output_finder<3> m_track_sel;
output_finder<4> m_gear_sel;
};
//----------- defined in audio/nitedrvr.cpp -----------
DISCRETE_SOUND_EXTERN( nitedrvr_discrete );
#endif // MAME_INCLUDES_NITEDRVR_H
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