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// license:BSD-3-Clause
// copyright-holders:Peter Trauner
#ifndef MAME_MACHINE_PCSHARE_H
#define MAME_MACHINE_PCSHARE_H
#pragma once
#include "machine/am9517a.h"
#include "machine/pic8259.h"
#include "machine/pit8253.h"
#include "machine/mc146818.h"
#include "machine/8042kbdc.h"
class pcat_base_state : public driver_device
{
public:
pcat_base_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_dma8237_1(*this, "dma8237_1"),
m_dma8237_2(*this, "dma8237_2"),
m_pic8259_1(*this, "pic8259_1"),
m_pic8259_2(*this, "pic8259_2"),
m_pit8254(*this, "pit8254"),
m_mc146818(*this, "rtc"),
m_kbdc(*this, "kbdc")
{
}
DECLARE_WRITE_LINE_MEMBER(pc_dma_hrq_changed);
uint8_t pc_dma_read_byte(offs_t offset);
void pc_dma_write_byte(offs_t offset, uint8_t data);
uint8_t dma_page_select_r(offs_t offset);
void dma_page_select_w(offs_t offset, uint8_t data);
void set_dma_channel(int channel, int state);
DECLARE_WRITE_LINE_MEMBER( pc_dack0_w );
DECLARE_WRITE_LINE_MEMBER( pc_dack1_w );
DECLARE_WRITE_LINE_MEMBER( pc_dack2_w );
DECLARE_WRITE_LINE_MEMBER( pc_dack3_w );
uint8_t get_slave_ack(offs_t offset);
DECLARE_WRITE_LINE_MEMBER( at_pit8254_out2_changed );
protected:
void pcat_common(machine_config &config);
void pcvideo_vga(machine_config &config);
void pcvideo_trident_vga(machine_config &config);
void pcvideo_s3_vga(machine_config &config);
void pcvideo_cirrus_gd5428(machine_config &config);
void pcvideo_cirrus_gd5430(machine_config &config);
void pcat32_io_common(address_map &map);
required_device<cpu_device> m_maincpu;
required_device<am9517a_device> m_dma8237_1;
required_device<am9517a_device> m_dma8237_2;
required_device<pic8259_device> m_pic8259_1;
required_device<pic8259_device> m_pic8259_2;
required_device<pit8254_device> m_pit8254;
optional_device<mc146818_device> m_mc146818;
required_device<kbdc8042_device> m_kbdc;
int m_dma_channel = 0;
uint8_t m_dma_offset[2][4]{};
uint8_t m_at_pages[0x10]{};
int m_pit_out2 = 0;
};
#endif // MAME_MACHINE_PCSHARE_H
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