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// license:BSD-3-Clause
// copyright-holders:Chris Moore
/***************************************************************************
GAME PLAN driver
driver by Chris Moore
***************************************************************************/
#include "machine/6522via.h"
#include "machine/6532riot.h"
#include "machine/gen_latch.h"
#include "screen.h"
#define GAMEPLAN_MAIN_MASTER_CLOCK (XTAL(3'579'545))
#define GAMEPLAN_AUDIO_MASTER_CLOCK (XTAL(3'579'545))
#define GAMEPLAN_MAIN_CPU_CLOCK (GAMEPLAN_MAIN_MASTER_CLOCK / 4)
#define GAMEPLAN_AUDIO_CPU_CLOCK (GAMEPLAN_AUDIO_MASTER_CLOCK / 4)
#define GAMEPLAN_AY8910_CLOCK (GAMEPLAN_AUDIO_MASTER_CLOCK / 2)
#define GAMEPLAN_PIXEL_CLOCK (XTAL(11'668'800) / 2)
/* Used Leprechaun/Pot of Gold (and Pirate Treasure) - as stated in manual for Pot Of Gold */
#define LEPRECHAUN_MAIN_MASTER_CLOCK (XTAL(4'000'000))
#define LEPRECHAUN_MAIN_CPU_CLOCK (LEPRECHAUN_MAIN_MASTER_CLOCK / 4)
class gameplan_state : public driver_device
{
public:
enum
{
TIMER_CLEAR_SCREEN_DONE,
TIMER_VIA_IRQ_DELAYED,
TIMER_VIA_0_CAL
};
gameplan_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_via_0(*this, "via6522_0"),
m_via_1(*this, "via6522_1"),
m_via_2(*this, "via6522_2"),
m_screen(*this, "screen"),
m_audiocpu(*this, "audiocpu"),
m_riot(*this, "riot"),
m_soundlatch(*this, "soundlatch") { }
void gameplan(machine_config &config);
void gameplan_video(machine_config &config);
void leprechn(machine_config &config);
void leprechn_video(machine_config &config);
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
required_device<cpu_device> m_maincpu;
required_device<via6522_device> m_via_0;
required_device<via6522_device> m_via_1;
required_device<via6522_device> m_via_2;
required_device<screen_device> m_screen;
void video_data_w(uint8_t data);
void gameplan_video_command_w(uint8_t data);
DECLARE_WRITE_LINE_MEMBER(video_command_trigger_w);
DECLARE_WRITE_LINE_MEMBER(via_irq);
uint32_t screen_update_gameplan(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
private:
/* machine state */
uint8_t m_current_port;
/* video state */
std::unique_ptr<uint8_t[]> m_videoram;
size_t m_videoram_size;
uint8_t m_video_x;
uint8_t m_video_y;
uint8_t m_video_command;
uint8_t m_video_data;
/* devices */
optional_device<cpu_device> m_audiocpu;
optional_device<riot6532_device> m_riot;
optional_device<generic_latch_8_device> m_soundlatch;
void io_select_w(uint8_t data);
uint8_t io_port_r();
DECLARE_WRITE_LINE_MEMBER(coin_w);
DECLARE_WRITE_LINE_MEMBER(audio_reset_w);
void audio_cmd_w(uint8_t data);
DECLARE_WRITE_LINE_MEMBER(audio_trigger_w);
DECLARE_WRITE_LINE_MEMBER(r6532_irq);
uint32_t screen_update_leprechn(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
TIMER_CALLBACK_MEMBER(clear_screen_done_callback);
TIMER_CALLBACK_MEMBER(via_irq_delayed);
void leprechn_video_command_w(uint8_t data);
uint8_t leprechn_videoram_r();
void gameplan_get_pens( pen_t *pens );
void leprechn_get_pens( pen_t *pens );
void gameplan_audio_map(address_map &map);
void gameplan_main_map(address_map &map);
void leprechn_audio_map(address_map &map);
};
class trvquest_state : public gameplan_state
{
public:
trvquest_state(const machine_config &mconfig, device_type type, const char *tag) :
gameplan_state(mconfig, type, tag),
m_question(*this, "question"),
m_questions_region(*this, "questions") { }
void trvquest(machine_config &config);
void trvquest_video(machine_config &config);
protected:
virtual void machine_start() override;
private:
required_shared_ptr<uint8_t> m_question;
required_region_ptr<uint8_t> m_questions_region;
uint8_t question_r(offs_t offset);
DECLARE_WRITE_LINE_MEMBER(coin_w);
DECLARE_WRITE_LINE_MEMBER(misc_w);
void cpu_map(address_map &map);
};
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