// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/*************************************************************************
Sega G-80 raster hardware
*************************************************************************/
#include "sound/samples.h"
#include "machine/segag80.h"
#include "sound/sn76496.h"
#include "audio/segasnd.h"
#include "machine/gen_latch.h"
class sega005_sound_device;
class segag80r_state : public driver_device
{
public:
enum
{
TIMER_VBLANK_LATCH_CLEAR
};
segag80r_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_mainram(*this, "mainram"),
m_videoram(*this, "videoram"),
m_sn1(*this, "sn1"),
m_sn2(*this, "sn2"),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_samples(*this, "samples"),
m_speech(*this, "segaspeech"),
m_usbsnd(*this, "usbsnd"),
m_005snd(*this, "005"),
m_gfxdecode(*this, "gfxdecode"),
m_screen(*this, "screen"),
m_palette(*this, "palette"),
m_soundlatch(*this, "soundlatch"),
m_decrypted_opcodes(*this, "decrypted_opcodes") { }
required_shared_ptr<UINT8> m_mainram;
required_shared_ptr<UINT8> m_videoram;
optional_device<sn76496_device> m_sn1;
optional_device<sn76496_device> m_sn2;
required_device<cpu_device> m_maincpu;
optional_device<cpu_device> m_audiocpu;
optional_device<samples_device> m_samples;
optional_device<speech_sound_device> m_speech;
optional_device<usb_sound_device> m_usbsnd;
optional_device<sega005_sound_device> m_005snd;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
optional_device<generic_latch_8_device> m_soundlatch;
optional_shared_ptr<UINT8> m_decrypted_opcodes;
std::vector<UINT8> m_paletteram;
UINT8 m_sound_state[2];
UINT8 m_sound_rate;
UINT16 m_sound_addr;
UINT8 m_sound_data;
UINT8 m_square_state;
UINT8 m_square_count;
UINT8 m_n7751_command;
UINT8 m_n7751_busy;
segag80_decrypt_func m_decrypt;
UINT8 m_background_pcb;
double m_rweights[3];
double m_gweights[3];
double m_bweights[2];
UINT8 m_video_control;
UINT8 m_video_flip;
UINT8 m_vblank_latch;
tilemap_t *m_spaceod_bg_htilemap;
tilemap_t *m_spaceod_bg_vtilemap;
UINT16 m_spaceod_hcounter;
UINT16 m_spaceod_vcounter;
UINT8 m_spaceod_fixed_color;
UINT8 m_spaceod_bg_control;
UINT8 m_spaceod_bg_detect;
tilemap_t *m_bg_tilemap;
UINT8 m_bg_enable;
UINT8 m_bg_char_bank;
UINT16 m_bg_scrollx;
UINT16 m_bg_scrolly;
UINT8 m_pignewt_bg_color_offset;
DECLARE_WRITE8_MEMBER(mainram_w);
DECLARE_WRITE8_MEMBER(vidram_w);
DECLARE_WRITE8_MEMBER(monsterb_vidram_w);
DECLARE_WRITE8_MEMBER(pignewt_vidram_w);
DECLARE_WRITE8_MEMBER(sindbadm_vidram_w);
DECLARE_READ8_MEMBER(mangled_ports_r);
DECLARE_READ8_MEMBER(spaceod_mangled_ports_r);
DECLARE_READ8_MEMBER(spaceod_port_fc_r);
DECLARE_WRITE8_MEMBER(coin_count_w);
DECLARE_WRITE8_MEMBER(segag80r_videoram_w);
DECLARE_READ8_MEMBER(segag80r_video_port_r);
DECLARE_WRITE8_MEMBER(segag80r_video_port_w);
DECLARE_READ8_MEMBER(spaceod_back_port_r);
DECLARE_WRITE8_MEMBER(spaceod_back_port_w);
DECLARE_WRITE8_MEMBER(monsterb_videoram_w);
DECLARE_WRITE8_MEMBER(monsterb_back_port_w);
DECLARE_WRITE8_MEMBER(pignewt_videoram_w);
DECLARE_WRITE8_MEMBER(pignewt_back_color_w);
DECLARE_WRITE8_MEMBER(pignewt_back_port_w);
DECLARE_WRITE8_MEMBER(sindbadm_videoram_w);
DECLARE_WRITE8_MEMBER(sindbadm_back_port_w);
DECLARE_WRITE8_MEMBER(astrob_sound_w);
DECLARE_WRITE8_MEMBER(spaceod_sound_w);
DECLARE_READ8_MEMBER(n7751_rom_r);
DECLARE_READ8_MEMBER(n7751_command_r);
DECLARE_READ8_MEMBER(n7751_t1_r);
DECLARE_INPUT_CHANGED_MEMBER(service_switch);
DECLARE_WRITE8_MEMBER(usb_ram_w);
DECLARE_WRITE8_MEMBER(sindbadm_soundport_w);
DECLARE_WRITE8_MEMBER(sindbadm_misc_w);
DECLARE_WRITE8_MEMBER(sindbadm_sn1_SN76496_w);
DECLARE_WRITE8_MEMBER(sindbadm_sn2_SN76496_w);
DECLARE_DRIVER_INIT(spaceod);
DECLARE_DRIVER_INIT(sindbadm);
DECLARE_DRIVER_INIT(pignewt);
DECLARE_DRIVER_INIT(monsterb);
DECLARE_DRIVER_INIT(005);
DECLARE_DRIVER_INIT(monster2);
DECLARE_DRIVER_INIT(astrob);
TILE_GET_INFO_MEMBER(spaceod_get_tile_info);
TILEMAP_MAPPER_MEMBER(spaceod_scan_rows);
TILE_GET_INFO_MEMBER(bg_get_tile_info);
virtual void machine_start() override;
virtual void video_start() override;
UINT32 screen_update_segag80r(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(segag80r_vblank_start);
INTERRUPT_GEN_MEMBER(sindbadm_vblank_start);
DECLARE_WRITE8_MEMBER(sega005_sound_a_w);
DECLARE_WRITE8_MEMBER(sega005_sound_b_w);
inline void sega005_update_sound_data();
DECLARE_WRITE8_MEMBER(monsterb_sound_a_w);
DECLARE_WRITE8_MEMBER(monsterb_sound_b_w);
DECLARE_READ8_MEMBER(n7751_status_r);
DECLARE_WRITE8_MEMBER(n7751_command_w);
DECLARE_WRITE8_MEMBER(n7751_rom_control_w);
DECLARE_WRITE8_MEMBER(n7751_p2_w);
void vblank_latch_set();
void g80_set_palette_entry(int entry, UINT8 data);
void spaceod_bg_init_palette();
void draw_videoram(bitmap_ind16 &bitmap, const rectangle &cliprect, const UINT8 *transparent_pens);
void draw_background_spaceod(bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_background_page_scroll(bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_background_full_scroll(bitmap_ind16 &bitmap, const rectangle &cliprect);
offs_t decrypt_offset(address_space &space, offs_t offset);
inline UINT8 demangle(UINT8 d7d6, UINT8 d5d4, UINT8 d3d2, UINT8 d1d0);
void monsterb_expand_gfx(const char *region);
protected:
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
};
/*----------- defined in audio/segag80r.c -----------*/
class sega005_sound_device : public device_t,
public device_sound_interface
{
public:
sega005_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
emu_timer *m_sega005_sound_timer;
sound_stream *m_sega005_stream;
protected:
// device-level overrides
virtual void device_config_complete() override;
virtual void device_start() override;
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;
private:
// internal state
TIMER_CALLBACK_MEMBER( sega005_auto_timer );
};
extern const device_type SEGA005;
MACHINE_CONFIG_EXTERN( astrob_sound_board );
MACHINE_CONFIG_EXTERN( 005_sound_board );
MACHINE_CONFIG_EXTERN( spaceod_sound_board );
MACHINE_CONFIG_EXTERN( monsterb_sound_board );
/*----------- defined in video/segag80r.c -----------*/
#define G80_BACKGROUND_NONE 0
#define G80_BACKGROUND_SPACEOD 1
#define G80_BACKGROUND_MONSTERB 2
#define G80_BACKGROUND_PIGNEWT 3
#define G80_BACKGROUND_SINDBADM 4