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// license:GPL-2.0+
// copyright-holders:Raphael Nabet, Brett Wyer
/*****************************************************************************
*
* includes/concept.h
*
* Corvus Concept driver
*
* Raphael Nabet, 2003
*
****************************************************************************/
#ifndef MAME_INCLUDES_CONCEPT_H
#define MAME_INCLUDES_CONCEPT_H
#include "cpu/m68000/m68000.h"
#include "machine/6522via.h"
#include "machine/mos6551.h"
#include "machine/mm58174.h"
#include "sound/spkrdev.h"
#include "bus/a2bus/a2bus.h"
#define ACIA_0_TAG "acia0"
#define ACIA_1_TAG "acia1"
#define VIA_0_TAG "via6522_0"
#define KBD_ACIA_TAG "kbacia"
class concept_state : public driver_device
{
public:
concept_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_acia0(*this, ACIA_0_TAG),
m_acia1(*this, ACIA_1_TAG),
m_via0(*this, VIA_0_TAG),
m_kbdacia(*this, KBD_ACIA_TAG),
m_speaker(*this, "spkr"),
m_mm58174(*this, "mm58174"),
m_a2bus(*this, "a2bus"),
m_videoram(*this,"videoram")
{ }
void concept(machine_config &config);
private:
required_device<cpu_device> m_maincpu;
required_device<mos6551_device> m_acia0;
required_device<mos6551_device> m_acia1;
required_device<via6522_device> m_via0;
required_device<mos6551_device> m_kbdacia;
required_device<speaker_sound_device> m_speaker;
required_device<mm58174_device> m_mm58174;
required_device<a2bus_device> m_a2bus;
required_shared_ptr<uint16_t> m_videoram;
uint8_t m_pending_interrupts = 0U;
bool m_clock_enable = false;
uint8_t m_clock_address = 0U;
uint8_t io_r(offs_t offset);
void io_w(offs_t offset, uint8_t data);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
uint8_t via_in_a();
void via_out_a(uint8_t data);
uint8_t via_in_b();
void via_out_b(uint8_t data);
DECLARE_WRITE_LINE_MEMBER(via_out_cb2);
DECLARE_WRITE_LINE_MEMBER(via_irq_func);
DECLARE_WRITE_LINE_MEMBER(ioc_interrupt);
void concept_set_interrupt(int level, int state);
void concept_memmap(address_map &map);
};
#endif // MAME_INCLUDES_CONCEPT_H
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