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// license:BSD-3-Clause
// copyright-holders:Patrick Mackinlay
#ifndef MAME_SGI_IP4_H
#define MAME_SGI_IP4_H
#pragma once
#include "cpu/mips/mips1.h"
#include "machine/ds1215.h"
#include "machine/mc68681.h"
#include "machine/pit8253.h"
#include "machine/wd33c9x.h"
#include "sound/saa1099.h"
#include "bus/rs232/rs232.h"
#include "bus/vme/vme.h"
class sgi_ip4_device
: public device_t
, public device_vme_card_interface
{
public:
sgi_ip4_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock);
protected:
virtual tiny_rom_entry const *device_rom_region() const override ATTR_COLD;
virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
virtual ioport_constructor device_input_ports() const override ATTR_COLD;
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
void map(address_map &map) ATTR_COLD;
template <unsigned N> void lio_irq(int state) { lio_irq(N, state); }
void lio_irq(unsigned number, int state);
template <unsigned N> void vme_irq(int state) { vme_irq(N, state); }
void vme_irq(unsigned number, int state);
void scsi_drq(int state);
u16 cpucfg_r() { return m_cpucfg; }
void cpucfg_w(u16 data);
void parity_r(offs_t offset, u32 &data, u32 mem_mask);
void parity_w(offs_t offset, u32 &data, u32 mem_mask);
void mailbox_w(offs_t offset, u8 data);
u8 nvram_r(offs_t offset);
void nvram_w(offs_t offset, u8 data);
private:
required_device<mips1_device_base> m_cpu;
required_device<ds1215_device> m_rtc;
required_device<pit8254_device> m_pit;
required_device<wd33c9x_base_device> m_scsi;
required_device_array<scn2681_device, 3> m_duart;
required_device_array<rs232_port_device, 4> m_serial;
required_device<saa1099_device> m_saa;
memory_share_creator<u8> m_nvram;
required_shared_ptr<u32> m_ram;
output_finder<5> m_leds;
// machine registers
u16 m_cpucfg;
u16 m_dmalo;
u16 m_dmahi;
u8 m_lio_isr;
u8 m_vme_isr;
u8 m_vme_imr;
u8 m_parerr;
u32 m_erradr;
// other machine state
std::unique_ptr<u8[]> m_parity;
memory_passthrough_handler m_parity_mph;
u32 m_parity_bad;
bool m_lio_irq;
bool m_vme_irq;
};
DECLARE_DEVICE_TYPE(SGI_IP4, sgi_ip4_device)
#endif // MAME_SGI_IP4_H
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