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// license:BSD-3-Clause
// copyright-holders:Curt Coder
#pragma once
#ifndef __VIP__
#define __VIP__
#include "emu.h"
#include "bus/vip/byteio.h"
#include "bus/vip/exp.h"
#include "cpu/cosmac/cosmac.h"
#include "imagedev/cassette.h"
#include "imagedev/snapquik.h"
#include "machine/ram.h"
#include "sound/discrete.h"
#include "video/cdp1861.h"
#define SCREEN_TAG "screen"
#define CDP1802_TAG "u1"
#define CDP1861_TAG "u2"
#define DISCRETE_TAG "discrete"
class vip_state : public driver_device
{
public:
vip_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, CDP1802_TAG),
m_vdc(*this, CDP1861_TAG),
m_cassette(*this, "cassette"),
m_beeper(*this, DISCRETE_TAG),
m_byteio(*this, VIP_BYTEIO_PORT_TAG),
m_exp(*this, VIP_EXPANSION_SLOT_TAG),
m_ram(*this, RAM_TAG),
m_rom(*this, CDP1802_TAG),
m_chip8(*this, "chip8"),
m_chip8x(*this, "chip8x"),
m_run(*this, "RUN"),
m_keypad(*this, "KEYPAD"),
m_io_beeper(*this, "BEEPER"),
m_8000(1),
m_vdc_int(CLEAR_LINE),
m_vdc_dma_out(CLEAR_LINE),
m_vdc_ef1(CLEAR_LINE),
m_exp_int(CLEAR_LINE),
m_exp_dma_out(CLEAR_LINE),
m_exp_dma_in(CLEAR_LINE),
m_byteio_ef3(CLEAR_LINE),
m_byteio_ef4(CLEAR_LINE),
m_exp_ef1(CLEAR_LINE),
m_exp_ef3(CLEAR_LINE),
m_exp_ef4(CLEAR_LINE)
{ }
required_device<cosmac_device> m_maincpu;
required_device<cdp1861_device> m_vdc;
required_device<cassette_image_device> m_cassette;
required_device<discrete_sound_device> m_beeper;
required_device<vip_byteio_port_device> m_byteio;
required_device<vip_expansion_slot_device> m_exp;
required_device<ram_device> m_ram;
required_memory_region m_rom;
required_memory_region m_chip8;
required_memory_region m_chip8x;
required_ioport m_run;
required_ioport m_keypad;
required_ioport m_io_beeper;
virtual void machine_start();
virtual void machine_reset();
UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
void update_interrupts();
DECLARE_READ8_MEMBER( read );
DECLARE_WRITE8_MEMBER( write );
DECLARE_READ8_MEMBER( io_r );
DECLARE_WRITE8_MEMBER( io_w );
DECLARE_READ_LINE_MEMBER( clear_r );
DECLARE_READ_LINE_MEMBER( ef1_r );
DECLARE_READ_LINE_MEMBER( ef2_r );
DECLARE_READ_LINE_MEMBER( ef3_r );
DECLARE_READ_LINE_MEMBER( ef4_r );
DECLARE_WRITE_LINE_MEMBER( q_w );
DECLARE_READ8_MEMBER( dma_r );
DECLARE_WRITE8_MEMBER( dma_w );
DECLARE_WRITE8_MEMBER( sc_w );
DECLARE_WRITE_LINE_MEMBER( vdc_int_w );
DECLARE_WRITE_LINE_MEMBER( vdc_dma_out_w );
DECLARE_WRITE_LINE_MEMBER( vdc_ef1_w );
DECLARE_WRITE_LINE_MEMBER( byteio_inst_w );
DECLARE_WRITE_LINE_MEMBER( exp_int_w );
DECLARE_WRITE_LINE_MEMBER( exp_dma_out_w );
DECLARE_WRITE_LINE_MEMBER( exp_dma_in_w );
DECLARE_INPUT_CHANGED_MEMBER( reset_w );
DECLARE_INPUT_CHANGED_MEMBER( beeper_w );
DECLARE_QUICKLOAD_LOAD_MEMBER( vip );
// memory state
int m_8000;
// interrupt state
int m_vdc_int;
int m_vdc_dma_out;
int m_vdc_ef1;
int m_exp_int;
int m_exp_dma_out;
int m_exp_dma_in;
int m_byteio_ef3;
int m_byteio_ef4;
int m_exp_ef1;
int m_exp_ef3;
int m_exp_ef4;
// keyboard state
int m_keylatch;
// expansion state
UINT8 m_byteio_data;
};
#endif
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