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// license:BSD-3-Clause
// copyright-holders:Frank Palazzolo
/****************************************************************************
Sega "Space Tactics" Driver
Frank Palazzolo (palazzol@home.com)
****************************************************************************/
#include "machine/74259.h"
class stactics_state : public driver_device
{
public:
stactics_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_outlatch(*this, "outlatch"),
m_display_buffer(*this, "display_buffer"),
m_videoram_b(*this, "videoram_b"),
m_videoram_d(*this, "videoram_d"),
m_videoram_e(*this, "videoram_e"),
m_videoram_f(*this, "videoram_f"),
m_base_lamps(*this, "base_lamp%u", 0U),
m_beam_leds_left(*this, "beam_led_left%u", 0U),
m_beam_leds_right(*this, "beam_led_right%u", 0U),
m_score_digits(*this, "digit%u", 0U),
m_credit_leds(*this, "credit_led%u", 0U),
m_barrier_leds(*this, "barrier_led%u", 0U),
m_round_leds(*this, "round_led%u", 0U),
m_barrier_lamp(*this, "barrier_lamp"),
m_start_lamp(*this, "start_lamp"),
m_sight_led(*this, "sight_led"),
m_in3(*this, "IN3"),
m_fake(*this, "FAKE")
{ }
DECLARE_CUSTOM_INPUT_MEMBER(get_frame_count_d3);
DECLARE_CUSTOM_INPUT_MEMBER(get_shot_standby);
DECLARE_CUSTOM_INPUT_MEMBER(get_not_shot_arrive);
DECLARE_CUSTOM_INPUT_MEMBER(get_motor_not_ready);
DECLARE_CUSTOM_INPUT_MEMBER(get_rng);
void stactics(machine_config &config);
protected:
DECLARE_READ8_MEMBER(vert_pos_r);
DECLARE_READ8_MEMBER(horiz_pos_r);
DECLARE_WRITE_LINE_MEMBER(coin_lockout_1_w);
DECLARE_WRITE_LINE_MEMBER(coin_lockout_2_w);
DECLARE_WRITE_LINE_MEMBER(palette_bank_w);
DECLARE_WRITE8_MEMBER(scroll_ram_w);
DECLARE_WRITE8_MEMBER(speed_latch_w);
DECLARE_WRITE8_MEMBER(shot_trigger_w);
DECLARE_WRITE8_MEMBER(shot_flag_clear_w);
DECLARE_WRITE_LINE_MEMBER(motor_w);
INTERRUPT_GEN_MEMBER(interrupt);
DECLARE_WRITE_LINE_MEMBER(barrier_lamp_w);
DECLARE_WRITE_LINE_MEMBER(start_lamp_w);
template <unsigned N> DECLARE_WRITE_LINE_MEMBER(base_lamp_w) { m_base_lamps[N] = state; }
DECLARE_WRITE_LINE_MEMBER(base_2_lamp_w);
DECLARE_WRITE_LINE_MEMBER(base_3_lamp_w);
DECLARE_WRITE_LINE_MEMBER(base_4_lamp_w);
DECLARE_WRITE_LINE_MEMBER(base_5_lamp_w);
virtual void machine_start() override;
virtual void video_start() override;
DECLARE_PALETTE_INIT(stactics);
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void update_beam();
inline int get_pixel_on_plane(uint8_t *videoram, uint8_t y, uint8_t x, uint8_t y_scroll);
void draw_background(bitmap_ind16 &bitmap, const rectangle &cliprect);
template <unsigned N> void set_indicator_leds(unsigned offset, output_finder<N> &outputs, int base_index);
void update_artwork();
void move_motor();
void stactics_video(machine_config &config);
void main_map(address_map &map);
private:
required_device<cpu_device> m_maincpu;
required_device<ls259_device> m_outlatch;
required_shared_ptr<uint8_t> m_display_buffer;
required_shared_ptr<uint8_t> m_videoram_b;
required_shared_ptr<uint8_t> m_videoram_d;
required_shared_ptr<uint8_t> m_videoram_e;
required_shared_ptr<uint8_t> m_videoram_f;
output_finder<5> m_base_lamps;
output_finder<0x40> m_beam_leds_left;
output_finder<0x40> m_beam_leds_right;
output_finder<6> m_score_digits;
output_finder<8> m_credit_leds;
output_finder<12> m_barrier_leds;
output_finder<16> m_round_leds;
output_finder<> m_barrier_lamp;
output_finder<> m_start_lamp;
output_finder<> m_sight_led;
required_ioport m_in3;
required_ioport m_fake;
/* machine state */
int m_vert_pos;
int m_horiz_pos;
bool m_motor_on;
/* video state */
uint8_t m_y_scroll_d;
uint8_t m_y_scroll_e;
uint8_t m_y_scroll_f;
uint8_t m_frame_count;
uint8_t m_shot_standby;
uint8_t m_shot_arrive;
uint16_t m_beam_state;
uint16_t m_old_beam_state;
uint16_t m_beam_states_per_frame;
uint8_t m_palette_bank;
};
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