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/*************************************************************************
Talbot - Champion Base Ball - Exciting Soccer
*************************************************************************/
#define CPUTAG_MCU "mcu"
#include "sound/dac.h"
class champbas_state : public driver_device
{
public:
champbas_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_bg_videoram(*this, "bg_videoram"),
m_spriteram(*this, "spriteram"),
m_spriteram_2(*this, "spriteram_2"),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_mcu(*this, CPUTAG_MCU),
m_dac(*this, "dac"),
m_dac1(*this, "dac1"),
m_dac2(*this, "dac2"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette"){ }
/* memory pointers */
required_shared_ptr<UINT8> m_bg_videoram;
required_shared_ptr<UINT8> m_spriteram;
required_shared_ptr<UINT8> m_spriteram_2;
/* video-related */
tilemap_t *m_bg_tilemap;
UINT8 m_gfx_bank;
UINT8 m_palette_bank;
/* misc */
int m_watchdog_count;
/* devices */
required_device<cpu_device> m_maincpu;
optional_device<cpu_device> m_audiocpu;
optional_device<cpu_device> m_mcu;
UINT8 m_irq_mask;
DECLARE_WRITE8_MEMBER(champbas_watchdog_reset_w);
DECLARE_WRITE8_MEMBER(irq_enable_w);
DECLARE_WRITE8_MEMBER(champbas_mcu_switch_w);
DECLARE_WRITE8_MEMBER(champbas_mcu_halt_w);
DECLARE_READ8_MEMBER(champbja_alt_protection_r);
DECLARE_WRITE8_MEMBER(champbas_bg_videoram_w);
DECLARE_WRITE8_MEMBER(champbas_gfxbank_w);
DECLARE_WRITE8_MEMBER(champbas_palette_bank_w);
DECLARE_WRITE8_MEMBER(champbas_flipscreen_w);
DECLARE_CUSTOM_INPUT_MEMBER(champbas_watchdog_bit2);
DECLARE_WRITE8_MEMBER(champbas_dac_w);
DECLARE_WRITE8_MEMBER(champbas_dac1_w);
DECLARE_WRITE8_MEMBER(champbas_dac2_w);
DECLARE_DRIVER_INIT(exctsccr);
DECLARE_DRIVER_INIT(champbas);
TILE_GET_INFO_MEMBER(champbas_get_bg_tile_info);
TILE_GET_INFO_MEMBER(exctsccr_get_bg_tile_info);
DECLARE_MACHINE_START(champbas);
DECLARE_MACHINE_RESET(champbas);
DECLARE_VIDEO_START(champbas);
DECLARE_PALETTE_INIT(champbas);
DECLARE_MACHINE_START(exctsccr);
DECLARE_VIDEO_START(exctsccr);
DECLARE_PALETTE_INIT(exctsccr);
UINT32 screen_update_champbas(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
UINT32 screen_update_exctsccr(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void screen_eof_champbas(screen_device &screen, bool state);
INTERRUPT_GEN_MEMBER(vblank_irq);
TIMER_CALLBACK_MEMBER(exctsccr_fm_callback);
void champbas_draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect );
void exctsccr_draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect );
optional_device<dac_device> m_dac;
optional_device<dac_device> m_dac1;
optional_device<dac_device> m_dac2;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
};
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