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// license:BSD-3-Clause
// copyright-holders:Curt Coder
#pragma once
#ifndef __PORTFOLIO__
#define __PORTFOLIO__
#include "emu.h"
#include "cpu/i86/i86.h"
#include "imagedev/cartslot.h"
#include "bus/centronics/ctronics.h"
#include "machine/i8255.h"
#include "machine/ins8250.h"
#include "machine/nvram.h"
#include "machine/ram.h"
#include "sound/speaker.h"
#include "video/hd61830.h"
#define M80C88A_TAG "u1"
#define M82C55A_TAG "hpc101_u1"
#define M82C50A_TAG "hpc102_u1"
#define HD61830_TAG "hd61830"
#define CENTRONICS_TAG "centronics"
#define TIMER_TICK_TAG "tick"
#define SCREEN_TAG "screen"
#define RS232_TAG "rs232"
class portfolio_state : public driver_device
{
public:
portfolio_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, M80C88A_TAG),
m_lcdc(*this, HD61830_TAG),
m_ppi(*this, M82C55A_TAG),
m_uart(*this, M82C50A_TAG),
m_speaker(*this, "speaker"),
m_timer_tick(*this, TIMER_TICK_TAG),
m_rom(*this, M80C88A_TAG),
m_char_rom(*this, HD61830_TAG),
m_y0(*this, "Y0"),
m_y1(*this, "Y1"),
m_y2(*this, "Y2"),
m_y3(*this, "Y3"),
m_y4(*this, "Y4"),
m_y5(*this, "Y5"),
m_y6(*this, "Y6"),
m_y7(*this, "Y7"),
m_battery(*this, "BATTERY"),
m_contrast(*this, "contrast"),
m_ram(*this, RAM_TAG)
{ }
required_device<cpu_device> m_maincpu;
required_device<hd61830_device> m_lcdc;
required_device<i8255_device> m_ppi;
required_device<ins8250_device> m_uart;
required_device<speaker_sound_device> m_speaker;
required_device<timer_device> m_timer_tick;
required_memory_region m_rom;
required_memory_region m_char_rom;
required_ioport m_y0;
required_ioport m_y1;
required_ioport m_y2;
required_ioport m_y3;
required_ioport m_y4;
required_ioport m_y5;
required_ioport m_y6;
required_ioport m_y7;
required_ioport m_battery;
virtual void machine_start();
virtual void machine_reset();
void check_interrupt();
void trigger_interrupt(int level);
void scan_keyboard();
DECLARE_READ8_MEMBER( irq_status_r );
DECLARE_READ8_MEMBER( keyboard_r );
DECLARE_READ8_MEMBER( battery_r );
DECLARE_READ8_MEMBER( counter_r );
DECLARE_READ8_MEMBER( pid_r );
DECLARE_WRITE8_MEMBER( irq_mask_w );
DECLARE_WRITE8_MEMBER( sivr_w );
DECLARE_WRITE8_MEMBER( speaker_w );
DECLARE_WRITE8_MEMBER( power_w );
DECLARE_WRITE8_MEMBER( unknown_w );
DECLARE_WRITE8_MEMBER( counter_w );
DECLARE_WRITE8_MEMBER( ncc1_w );
DECLARE_WRITE_LINE_MEMBER( i8250_intrpt_w );
/* interrupt state */
UINT8 m_ip; /* interrupt pending */
UINT8 m_ie; /* interrupt enable */
UINT8 m_sivr; /* serial interrupt vector register */
/* counter state */
UINT16 m_counter;
/* keyboard state */
UINT8 m_keylatch;
/* video state */
required_shared_ptr<UINT8> m_contrast;
/* peripheral state */
UINT8 m_pid; /* peripheral identification */
virtual void palette_init();
TIMER_DEVICE_CALLBACK_MEMBER(keyboard_tick);
TIMER_DEVICE_CALLBACK_MEMBER(system_tick);
TIMER_DEVICE_CALLBACK_MEMBER(counter_tick);
DECLARE_READ8_MEMBER(hd61830_rd_r);
IRQ_CALLBACK_MEMBER(portfolio_int_ack);
DECLARE_DEVICE_IMAGE_LOAD_MEMBER( portfolio_cart );
required_device<ram_device> m_ram;
};
#endif
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