// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/*************************************************************************
Exidy 6502 hardware
*************************************************************************/
#include "sound/dac.h"
#include "sound/samples.h"
#define EXIDY_MASTER_CLOCK (XTAL_11_289MHz)
#define EXIDY_CPU_CLOCK (EXIDY_MASTER_CLOCK / 16)
#define EXIDY_PIXEL_CLOCK (EXIDY_MASTER_CLOCK / 2)
#define EXIDY_HTOTAL (0x150)
#define EXIDY_HBEND (0x000)
#define EXIDY_HBSTART (0x100)
#define EXIDY_HSEND (0x140)
#define EXIDY_HSSTART (0x120)
#define EXIDY_VTOTAL (0x118)
#define EXIDY_VBEND (0x000)
#define EXIDY_VBSTART (0x100)
#define EXIDY_VSEND (0x108)
#define EXIDY_VSSTART (0x100)
class exidy_state : public driver_device
{
public:
enum
{
TIMER_COLLISION_IRQ
};
exidy_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_dac(*this, "dac"),
m_samples(*this, "samples"),
m_gfxdecode(*this, "gfxdecode"),
m_screen(*this, "screen"),
m_palette(*this, "palette"),
m_videoram(*this, "videoram"),
m_sprite1_xpos(*this, "sprite1_xpos"),
m_sprite1_ypos(*this, "sprite1_ypos"),
m_sprite2_xpos(*this, "sprite2_xpos"),
m_sprite2_ypos(*this, "sprite2_ypos"),
m_spriteno(*this, "spriteno"),
m_sprite_enable(*this, "sprite_enable"),
m_color_latch(*this, "color_latch"),
m_characterram(*this, "characterram") { }
required_device<cpu_device> m_maincpu;
optional_device<dac_device> m_dac;
optional_device<samples_device> m_samples;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
required_shared_ptr<UINT8> m_videoram;
required_shared_ptr<UINT8> m_sprite1_xpos;
required_shared_ptr<UINT8> m_sprite1_ypos;
required_shared_ptr<UINT8> m_sprite2_xpos;
required_shared_ptr<UINT8> m_sprite2_ypos;
required_shared_ptr<UINT8> m_spriteno;
required_shared_ptr<UINT8> m_sprite_enable;
required_shared_ptr<UINT8> m_color_latch;
required_shared_ptr<UINT8> m_characterram;
UINT8 m_last_dial;
UINT8 m_collision_mask;
UINT8 m_collision_invert;
int m_is_2bpp;
UINT8 m_int_condition;
bitmap_ind16 m_background_bitmap;
bitmap_ind16 m_motion_object_1_vid;
bitmap_ind16 m_motion_object_2_vid;
bitmap_ind16 m_motion_object_2_clip;
DECLARE_WRITE8_MEMBER(fax_bank_select_w);
DECLARE_READ8_MEMBER(exidy_interrupt_r);
DECLARE_CUSTOM_INPUT_MEMBER(teetert_input_r);
DECLARE_DRIVER_INIT(fax);
DECLARE_DRIVER_INIT(sidetrac);
DECLARE_DRIVER_INIT(pepper2);
DECLARE_DRIVER_INIT(targ);
DECLARE_DRIVER_INIT(rallys);
DECLARE_DRIVER_INIT(mtrap);
DECLARE_DRIVER_INIT(teetert);
DECLARE_DRIVER_INIT(venture);
DECLARE_DRIVER_INIT(spectar);
DECLARE_DRIVER_INIT(phantoma);
virtual void video_start() override;
DECLARE_MACHINE_START(teetert);
UINT32 screen_update_exidy(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(exidy_vblank_interrupt);
void exidy_video_config(UINT8 _collision_mask, UINT8 _collision_invert, int _is_2bpp);
inline void latch_condition(int collision);
inline void set_1_color(int index, int which);
void set_colors();
void draw_background();
inline int sprite_1_enabled();
void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect);
void check_collision();
/* Targ and Spectar samples */
int m_max_freq;
UINT8 m_port_1_last;
UINT8 m_port_2_last;
UINT8 m_tone_freq;
UINT8 m_tone_active;
UINT8 m_tone_pointer;
DECLARE_WRITE8_MEMBER(targ_audio_1_w);
DECLARE_WRITE8_MEMBER(targ_audio_2_w);
DECLARE_WRITE8_MEMBER(spectar_audio_2_w);
void adjust_sample(UINT8 freq);
void common_audio_start(int freq);
SAMPLES_START_CB_MEMBER(spectar_audio_start);
SAMPLES_START_CB_MEMBER(targ_audio_start);
protected:
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
};