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// license:BSD-3-Clause
// copyright-holders:Ernesto Corvi
#include "cpu/m6805/m68705.h"
#include "sound/2203intf.h"
#include "emupal.h"
class mexico86_state : public driver_device
{
public:
mexico86_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_protection_ram(*this, "protection_ram"),
m_mainram(*this, "mainram"),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_subcpu(*this, "sub"),
m_mcu(*this, "mcu"),
m_ymsnd(*this, "ymsnd"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette")
{
}
void knightb(machine_config &config);
void mexico86(machine_config &config);
void kikikai(machine_config &config);
private:
/* memory pointers */
required_shared_ptr<u8> m_protection_ram;
required_shared_ptr<u8> m_mainram;
/* video-related */
int m_charbank;
/* mcu */
/* mexico86 68705 protection */
u8 m_port_a_out;
u8 m_port_b_out;
int m_address;
u8 m_latch;
/* kikikai mcu simulation */
int m_mcu_running;
int m_mcu_initialised;
bool m_coin_last[2];
u8 m_coin_fract;
/* devices */
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu;
optional_device<cpu_device> m_subcpu;
optional_device<m68705p_device> m_mcu;
required_device<ym2203_device> m_ymsnd;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
/* queue */
u8 m_queue[64];
int m_qfront;
int m_qstate;
DECLARE_WRITE8_MEMBER(mexico86_sub_output_w);
DECLARE_WRITE8_MEMBER(mexico86_f008_w);
DECLARE_WRITE8_MEMBER(mexico86_68705_port_a_w);
DECLARE_WRITE8_MEMBER(mexico86_68705_port_b_w);
DECLARE_WRITE8_MEMBER(mexico86_bankswitch_w);
DECLARE_READ8_MEMBER(kiki_ym2203_r);
virtual void machine_start() override;
virtual void machine_reset() override;
u32 screen_update_mexico86(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
u32 screen_update_kikikai(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(kikikai_interrupt);
INTERRUPT_GEN_MEMBER(mexico86_m68705_interrupt);
void mcu_simulate( );
bool mcu_coin_counter_w(bool condition);
void mexico86_map(address_map &map);
void mexico86_sound_map(address_map &map);
void mexico86_sub_cpu_map(address_map &map);
};
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