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// license:BSD-3-Clause
// copyright-holders:Nigel Barnes
/**********************************************************************
Universal Peripheral Controller 82C711 emulation
**********************************************************************/
#ifndef MAME_MACHINE_UPC82C711_H
#define MAME_MACHINE_UPC82C711_H
#pragma once
#include "machine/ins8250.h"
#include "machine/pc_lpt.h"
#include "machine/upd765.h"
#include "bus/ata/ataintf.h"
#include "imagedev/floppy.h"
// ======================> upc82c710_device
class upc82c711_device : public device_t
{
public:
// construction/destruction
upc82c711_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
u16 io_r(offs_t offset, u16 mem_mask = ~0);
void io_w(offs_t offset, u16 data, u16 mem_mask = ~0);
u8 dack_r();
void dack_w(u8 data);
void tc_w(bool state);
u8 dack_tc0_r() { tc_w(false); return dack_r(); }
void dack_tc0_w(u8 data) { tc_w(false); dack_w(data); }
u8 dack_tc1_r() { tc_w(true); return dack_r(); }
void dack_tc1_w(u8 data) { tc_w(true); dack_w(data); }
auto fintr() { return m_fintr_callback.bind(); }
auto fdrq() { return m_fdrq_callback.bind(); }
auto pintr() { return m_pintr_callback.bind(); }
auto irq3() { return m_irq3_callback.bind(); }
auto irq4() { return m_irq4_callback.bind(); }
auto txd1() { return m_txd1_callback.bind(); }
auto dtr1() { return m_dtr1_callback.bind(); }
auto rts1() { return m_rts1_callback.bind(); }
auto txd2() { return m_txd2_callback.bind(); }
auto dtr2() { return m_dtr2_callback.bind(); }
auto rts2() { return m_rts2_callback.bind(); }
// chip pins for uarts
DECLARE_WRITE_LINE_MEMBER(rxd1_w);
DECLARE_WRITE_LINE_MEMBER(dcd1_w);
DECLARE_WRITE_LINE_MEMBER(dsr1_w);
DECLARE_WRITE_LINE_MEMBER(ri1_w);
DECLARE_WRITE_LINE_MEMBER(cts1_w);
DECLARE_WRITE_LINE_MEMBER(rxd2_w);
DECLARE_WRITE_LINE_MEMBER(dcd2_w);
DECLARE_WRITE_LINE_MEMBER(dsr2_w);
DECLARE_WRITE_LINE_MEMBER(ri2_w);
DECLARE_WRITE_LINE_MEMBER(cts2_w);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_add_mconfig(machine_config &config) override;
private:
required_device<ata_interface_device> m_ide;
required_device<upd765_family_device> m_fdc;
required_device<pc_lpt_device> m_lpt;
required_device_array<ns16450_device, 2> m_serial;
void dor_w(u8 data);
DECLARE_WRITE_LINE_MEMBER(fdc_irq_w);
DECLARE_WRITE_LINE_MEMBER(fdc_drq_w);
bool irq, drq, fdc_drq, fdc_irq;
u8 dor;
floppy_image_device *floppy[4];
void check_irq();
void check_drq();
devcb_write_line m_fintr_callback;
devcb_write_line m_fdrq_callback;
devcb_write_line m_pintr_callback;
devcb_write_line m_irq3_callback; // Serial Port COM1/COM3
devcb_write_line m_irq4_callback; // Serial Port COM2/COM4
devcb_write_line m_txd1_callback;
devcb_write_line m_dtr1_callback;
devcb_write_line m_rts1_callback;
devcb_write_line m_txd2_callback;
devcb_write_line m_dtr2_callback;
devcb_write_line m_rts2_callback;
void write_cfg(int index, u8 data);
enum
{
DEVICE_FDC = 0,
DEVICE_IDE,
DEVICE_LPT,
DEVICE_SER1,
DEVICE_SER2,
DEVICE_TOTAL
};
bool device_enabled[DEVICE_TOTAL];
u16 device_address[DEVICE_TOTAL];
u16 com_address[4];
int m_cfg_mode;
u8 m_cfg_regs[16];
u8 m_cfg_indx;
};
DECLARE_DEVICE_TYPE(UPC82C711, upc82c711_device)
#endif // MAME_MACHINE_UPC82C711_H
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