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// license:BSD-3-Clause
// copyright-holders:F. Ulivi
#ifndef MAME_INTEL_IMDS2IOC_H
#define MAME_INTEL_IMDS2IOC_H
#include "cpu/i8085/i8085.h"
#include "cpu/mcs48/mcs48.h"
#include "machine/i8257.h"
#include "video/i8275.h"
#include "sound/beep.h"
#include "machine/pit8253.h"
#include "machine/i8271.h"
#include "imagedev/floppy.h"
#include "bus/centronics/ctronics.h"
#include "emupal.h"
class imds2ioc_device : public device_t
{
public:
imds2ioc_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
auto master_intr_cb() { return m_master_intr_cb.bind(); }
auto parallel_int_cb() { return m_parallel_int_cb.bind(); }
uint8_t dbb_master_r(offs_t offset);
void dbb_master_w(offs_t offset, uint8_t data);
uint8_t pio_master_r(offs_t offset);
void pio_master_w(offs_t offset, uint8_t data);
protected:
virtual ioport_constructor device_input_ports() const override;
virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD;
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
private:
void miscout_w(uint8_t data);
uint8_t miscin_r();
void beep_timer_w(int state);
void start_timer_w(uint8_t data);
uint8_t kb_read(offs_t offset);
uint8_t kb_port_p2_r();
void kb_port_p1_w(uint8_t data);
int kb_port_t0_r();
int kb_port_t1_r();
void ioc_dbbout_w(offs_t offset, uint8_t data);
void ioc_f0_w(offs_t offset, uint8_t data);
void ioc_set_f1_w(uint8_t data);
void ioc_reset_f1_w(uint8_t data);
uint8_t ioc_status_r();
uint8_t ioc_dbbin_r();
void hrq_w(int state);
uint8_t ioc_mem_r(offs_t offset);
void ioc_mem_w(offs_t offset, uint8_t data);
uint8_t pio_port_p1_r();
void pio_port_p1_w(uint8_t data);
uint8_t pio_port_p2_r();
void pio_port_p2_w(uint8_t data);
void pio_lpt_ack_w(int state);
void pio_lpt_busy_w(int state);
I8275_DRAW_CHARACTER_MEMBER(crtc_display_pixels);
void io_map(address_map &map) ATTR_COLD;
void mem_map(address_map &map) ATTR_COLD;
void update_beeper();
void update_printer();
required_device<i8080a_cpu_device> m_ioccpu;
required_device<i8257_device> m_iocdma;
required_device<i8275_device> m_ioccrtc;
required_device<beep_device> m_iocbeep;
required_device<pit8253_device> m_ioctimer;
required_device<i8271_device> m_iocfdc;
required_device<floppy_connector> m_flop0;
required_device<i8041a_device> m_iocpio;
required_device<i8741a_device> m_kbcpu;
required_device<palette_device> m_palette;
required_device<gfxdecode_device> m_gfxdecode;
required_device<centronics_device> m_centronics;
required_ioport_array<8> m_io_key;
required_ioport m_ioc_options;
devcb_write_line m_master_intr_cb;
devcb_write_line m_parallel_int_cb;
// Character generator
required_region_ptr<uint8_t> m_chargen;
// MISCOUT state
uint8_t m_miscout;
// Beeper timer line
int m_beeper_timer;
// Keyboard state
uint8_t m_kb_p1;
// IPC to IOC buffer
uint8_t m_ioc_ibf;
// IOC to IPC buffer
uint8_t m_ioc_obf;
// IPC/IOC status
uint8_t m_ipc_ioc_status;
// PIO port 1
uint8_t m_pio_port1;
// PIO port 2
uint8_t m_pio_port2;
// PIO device status byte
uint8_t m_device_status_byte;
};
DECLARE_DEVICE_TYPE(IMDS2IOC, imds2ioc_device)
#endif // MAME_INTEL_IMDS2IOC_H
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