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// license:BSD-3-Clause
// copyright-holders:Nathan Woods, Wilbert Pol, David Shah
/*****************************************************************************
a2600.h
Atari 2600
****************************************************************************/
#ifndef MAME_INCLUDES_A2600_H
#define MAME_INCLUDES_A2600_H
#pragma once
#include "bus/vcs/compumat.h"
#include "bus/vcs/dpc.h"
#include "bus/vcs/harmony_melody.h"
#include "bus/vcs/rom.h"
#include "bus/vcs/scharger.h"
#include "bus/vcs/vcs_slot.h"
#include "bus/vcs_ctrl/ctrl.h"
#include "cpu/m6502/m6507.h"
#include "sound/tiaintf.h"
#include "video/tia.h"
#define USE_NEW_RIOT 0
#if USE_NEW_RIOT
#include "machine/mos6530n.h"
#else
#include "machine/6532riot.h"
#endif
#define CONTROL1_TAG "joyport1"
#define CONTROL2_TAG "joyport2"
class a2600_base_state : public driver_device
{
protected:
a2600_base_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_riot_ram(*this, "riot_ram"),
m_tia(*this, "tia_video"),
m_maincpu(*this, "maincpu"),
m_riot(*this, "riot"),
m_joy1(*this, CONTROL1_TAG),
m_joy2(*this, CONTROL2_TAG),
m_screen(*this, "screen")
{ }
virtual void machine_start() override;
void switch_A_w(uint8_t data);
uint8_t switch_A_r();
void switch_B_w(uint8_t data);
DECLARE_WRITE_LINE_MEMBER(irq_callback);
uint16_t a2600_read_input_port(offs_t offset);
uint8_t a2600_get_databus_contents(offs_t offset);
void a2600_tia_vsync_callback(uint16_t data);
void a2600_tia_vsync_callback_pal(uint16_t data);
void a2600_mem(address_map &map);
required_shared_ptr<uint8_t> m_riot_ram;
required_device<tia_video_device> m_tia;
required_device<m6507_device> m_maincpu;
#if USE_NEW_RIOT
required_device<mos6532_new_device> m_riot;
#else
required_device<riot6532_device> m_riot;
#endif
required_device<vcs_control_port_device> m_joy1;
required_device<vcs_control_port_device> m_joy2;
required_device<screen_device> m_screen;
private:
uint16_t m_current_screen_height;
};
class a2600_state : public a2600_base_state
{
public:
a2600_state(const machine_config &mconfig, device_type type, const char *tag) :
a2600_base_state(mconfig, type, tag),
m_cart(*this, "cartslot")
{ }
void a2600(machine_config &config);
void a2600p(machine_config &config);
protected:
virtual void machine_start() override;
void cart_over_tia_w(address_space &space, offs_t offset, uint8_t data);
// investigate how the carts mapped here (Mapper JVP) interact with the RIOT device
uint8_t cart_over_riot_r(address_space &space, offs_t offset);
void cart_over_riot_w(address_space &space, offs_t offset, uint8_t data);
uint8_t cart_over_all_r(address_space &space, offs_t offset);
void cart_over_all_w(address_space &space, offs_t offset, uint8_t data);
void a2600_cartslot(machine_config &config);
private:
required_device<vcs_cart_slot_device> m_cart;
};
#endif // MAME_INCLUDES_A2600_H
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