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// license:BSD-3-Clause
// copyright-holders:Barry Rodewald
/*
* Data East Pinball DMD Type 3 Display
*/
#ifndef MAME_VIDEO_DECODMD3_H
#define MAME_VIDEO_DECODMD3_H
#pragma once
#include "cpu/m68000/m68000.h"
#include "machine/ram.h"
#include "machine/timer.h"
#include "video/mc6845.h"
#define MCFG_DECODMD_TYPE3_ADD(_tag, _region) \
MCFG_DEVICE_ADD(_tag, DECODMD3, 0) \
downcast<decodmd_type3_device &>(*device).set_gfxregion(_region);
class decodmd_type3_device : public device_t
{
public:
decodmd_type3_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
DECLARE_WRITE8_MEMBER(data_w);
DECLARE_READ8_MEMBER(busy_r);
DECLARE_WRITE8_MEMBER(ctrl_w);
DECLARE_READ16_MEMBER(latch_r);
DECLARE_READ16_MEMBER(status_r);
DECLARE_WRITE16_MEMBER(status_w);
DECLARE_WRITE16_MEMBER(crtc_address_w);
DECLARE_WRITE16_MEMBER(crtc_register_w);
DECLARE_READ16_MEMBER(crtc_status_r);
void set_gfxregion(const char *tag) { m_gfxtag = tag; }
void decodmd3_map(address_map &map);
protected:
virtual void device_add_mconfig(machine_config &config) override;
virtual void device_start() override;
virtual void device_reset() override;
private:
required_device<cpu_device> m_cpu;
required_device<mc6845_device> m_mc6845;
required_device<ram_device> m_ram;
required_memory_bank m_rambank;
required_memory_bank m_rombank;
memory_region* m_rom;
uint8_t m_status;
uint8_t m_crtc_index;
uint8_t m_crtc_reg[0x100];
uint8_t m_latch;
uint8_t m_ctrl;
uint8_t m_busy;
uint8_t m_command;
const char* m_gfxtag;
TIMER_DEVICE_CALLBACK_MEMBER(dmd_irq);
MC6845_UPDATE_ROW(crtc_update_row);
};
DECLARE_DEVICE_TYPE(DECODMD3, decodmd_type3_device)
#endif // MAME_VIDEO_DECODMD3_H
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