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// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria
/***************************************************************************
Sega Zaxxon hardware
***************************************************************************/
#include "sound/samples.h"
class zaxxon_state : public driver_device
{
public:
zaxxon_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_samples(*this, "samples"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette"),
m_dials(*this, "DIAL"),
m_videoram(*this, "videoram"),
m_spriteram(*this, "spriteram"),
m_colorram(*this, "colorram"),
m_decrypted_opcodes(*this, "decrypted_opcodes") { }
required_device<cpu_device> m_maincpu;
optional_device<samples_device> m_samples;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
optional_ioport_array<2> m_dials;
required_shared_ptr<UINT8> m_videoram;
optional_shared_ptr<UINT8> m_spriteram;
optional_shared_ptr<UINT8> m_colorram;
optional_shared_ptr<UINT8> m_decrypted_opcodes;
UINT8 m_int_enabled;
UINT8 m_coin_status[3];
UINT8 m_coin_enable[3];
UINT8 m_razmataz_dial_pos[2];
UINT16 m_razmataz_counter;
UINT8 m_sound_state[3];
UINT8 m_bg_enable;
UINT8 m_bg_color;
UINT16 m_bg_position;
UINT8 m_fg_color;
UINT8 m_congo_fg_bank;
UINT8 m_congo_color_bank;
UINT8 m_congo_custom[4];
const UINT8 *m_color_codes;
tilemap_t *m_fg_tilemap;
tilemap_t *m_bg_tilemap;
DECLARE_WRITE8_MEMBER(int_enable_w);
DECLARE_READ8_MEMBER(razmataz_counter_r);
DECLARE_WRITE8_MEMBER(zaxxon_coin_counter_w);
DECLARE_WRITE8_MEMBER(zaxxon_coin_enable_w);
DECLARE_WRITE8_MEMBER(zaxxon_flipscreen_w);
DECLARE_WRITE8_MEMBER(zaxxon_fg_color_w);
DECLARE_WRITE8_MEMBER(zaxxon_bg_position_w);
DECLARE_WRITE8_MEMBER(zaxxon_bg_color_w);
DECLARE_WRITE8_MEMBER(zaxxon_bg_enable_w);
DECLARE_WRITE8_MEMBER(congo_fg_bank_w);
DECLARE_WRITE8_MEMBER(congo_color_bank_w);
DECLARE_WRITE8_MEMBER(zaxxon_videoram_w);
DECLARE_WRITE8_MEMBER(congo_colorram_w);
DECLARE_WRITE8_MEMBER(congo_sprite_custom_w);
DECLARE_CUSTOM_INPUT_MEMBER(razmataz_dial_r);
DECLARE_CUSTOM_INPUT_MEMBER(zaxxon_coin_r);
DECLARE_INPUT_CHANGED_MEMBER(service_switch);
DECLARE_INPUT_CHANGED_MEMBER(zaxxon_coin_inserted);
DECLARE_DRIVER_INIT(razmataz);
DECLARE_DRIVER_INIT(futspy);
DECLARE_DRIVER_INIT(zaxxonj);
DECLARE_DRIVER_INIT(szaxxon);
TILE_GET_INFO_MEMBER(get_bg_tile_info);
TILE_GET_INFO_MEMBER(zaxxon_get_fg_tile_info);
TILE_GET_INFO_MEMBER(razmataz_get_fg_tile_info);
TILE_GET_INFO_MEMBER(congo_get_fg_tile_info);
virtual void machine_start() override;
virtual void video_start() override;
DECLARE_PALETTE_INIT(zaxxon);
DECLARE_VIDEO_START(razmataz);
DECLARE_VIDEO_START(congo);
UINT32 screen_update_zaxxon(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
UINT32 screen_update_futspy(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
UINT32 screen_update_razmataz(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
UINT32 screen_update_congo(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(vblank_int);
DECLARE_WRITE8_MEMBER(zaxxon_sound_a_w);
DECLARE_WRITE8_MEMBER(zaxxon_sound_b_w);
DECLARE_WRITE8_MEMBER(zaxxon_sound_c_w);
DECLARE_WRITE8_MEMBER(congo_sound_b_w);
DECLARE_WRITE8_MEMBER(congo_sound_c_w);
void video_start_common(tilemap_get_info_delegate fg_tile_info);
void draw_background(bitmap_ind16 &bitmap, const rectangle &cliprect, int skew);
inline int find_minimum_y(UINT8 value, int flip);
inline int find_minimum_x(UINT8 value, int flip);
void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect, UINT16 flipxmask, UINT16 flipymask);
};
/*----------- defined in audio/zaxxon.c -----------*/
MACHINE_CONFIG_EXTERN( zaxxon_samples );
MACHINE_CONFIG_EXTERN( congo_samples );
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