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diff --git a/src/mame/atari/atarisy2.h b/src/mame/atari/atarisy2.h
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+// license:BSD-3-Clause
+// copyright-holders:Aaron Giles
+/*************************************************************************
+
+ Atari System 2 hardware
+
+*************************************************************************/
+
+#include "cpu/m6502/m6502.h"
+#include "cpu/t11/t11.h"
+#include "machine/gen_latch.h"
+#include "slapstic.h"
+#include "machine/timer.h"
+#include "machine/watchdog.h"
+#include "sound/pokey.h"
+#include "sound/tms5220.h"
+#include "sound/ymopm.h"
+#include "atarimo.h"
+#include "emupal.h"
+#include "screen.h"
+#include "tilemap.h"
+
+class atarisy2_state : public driver_device
+{
+public:
+ atarisy2_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag)
+ , m_maincpu(*this, "maincpu")
+ , m_audiocpu(*this, "audiocpu")
+ , m_gfxdecode(*this, "gfxdecode")
+ , m_screen(*this, "screen")
+ , m_mob(*this, "mob")
+ , m_slapstic_region(*this, "maincpu")
+ , m_playfield_tilemap(*this, "playfield")
+ , m_alpha_tilemap(*this, "alpha")
+ , m_xscroll(*this, "xscroll")
+ , m_yscroll(*this, "yscroll")
+ , m_soundlatch(*this, "soundlatch")
+ , m_mainlatch(*this, "mainlatch")
+ , m_ym2151(*this, "ymsnd")
+ , m_pokey(*this, "pokey%u", 1U)
+ , m_tms5220(*this, "tms")
+ , m_rombank(*this, "rombank%u", 1U)
+ , m_slapstic(*this, "slapstic")
+ , m_vmmu(*this, "vmmu")
+ , m_playfieldt(*this, "playfieldt")
+ , m_playfieldb(*this, "playfieldb")
+ , m_io_leta(*this, "LETA%u", 0U)
+ , m_io_select(*this, "SELECT")
+ , m_io_fake_joy_x(*this, "FAKE_JOY_X")
+ , m_io_fake_joy_y(*this, "FAKE_JOY_Y")
+ , m_io_fake_spinner(*this, "FAKE_SPINNER")
+ , m_leds(*this, "led%u", 0U)
+ { }
+
+ void init_ssprint();
+ void init_apb();
+ void init_csprint();
+ void init_paperboy();
+ void init_720();
+
+ void atarisy2(machine_config &config);
+ void apb(machine_config &config);
+ void paperboy(machine_config &config);
+ void ssprint(machine_config &config);
+ void _720(machine_config &config);
+ void csprint(machine_config &config);
+
+protected:
+ virtual void machine_start() override ATTR_COLD;
+ virtual void machine_reset() override ATTR_COLD;
+ virtual void video_start() override ATTR_COLD;
+
+private:
+ required_device<t11_device> m_maincpu;
+ required_device<m6502_device> m_audiocpu;
+ required_device<gfxdecode_device> m_gfxdecode;
+ required_device<screen_device> m_screen;
+ required_device<atari_motion_objects_device> m_mob;
+ required_region_ptr<uint16_t> m_slapstic_region;
+
+ required_device<tilemap_device> m_playfield_tilemap;
+ required_device<tilemap_device> m_alpha_tilemap;
+ required_shared_ptr<uint16_t> m_xscroll;
+ required_shared_ptr<uint16_t> m_yscroll;
+
+ required_device<generic_latch_8_device> m_soundlatch;
+ required_device<generic_latch_8_device> m_mainlatch;
+ required_device<ym2151_device> m_ym2151;
+ required_device_array<pokey_device, 2> m_pokey;
+ optional_device<tms5220_device> m_tms5220;
+
+ required_memory_bank_array<2> m_rombank;
+ required_device<atari_slapstic_device> m_slapstic;
+ memory_view m_vmmu;
+ required_shared_ptr<uint16_t> m_playfieldt;
+ required_shared_ptr<uint16_t> m_playfieldb;
+
+ optional_ioport_array<4> m_io_leta;
+ optional_ioport m_io_select;
+ optional_ioport m_io_fake_joy_x;
+ optional_ioport m_io_fake_joy_y;
+ optional_ioport m_io_fake_spinner;
+
+ output_finder<2> m_leds;
+
+ uint8_t m_interrupt_enable = 0U;
+
+ int8_t m_pedal_count = 0U;
+
+ bool m_scanline_int_state = 0;
+ bool m_video_int_state = 0;
+ bool m_p2portwr_state = 0;
+ bool m_p2portrd_state = 0;
+
+ uint8_t m_sound_reset_state = 0U;
+
+ emu_timer * m_yscroll_reset_timer = nullptr;
+ uint32_t m_playfield_tile_bank[2]{};
+
+ // 720 fake joystick
+ double m_joy_last_angle = 0;
+ int m_joy_rotations = 0;
+
+ // 720 fake spinner
+ uint32_t m_spin_last_rotate_count = 0U;
+ int32_t m_spin_pos = 0; /* track fake position of spinner */
+ uint32_t m_spin_center_count = 0U;
+
+ void update_interrupts();
+
+ void scanline_int_ack_w(uint8_t data);
+ void video_int_ack_w(uint8_t data);
+ void int0_ack_w(uint8_t data);
+ void sound_reset_w(uint8_t data);
+ void int_enable_w(uint8_t data);
+ INTERRUPT_GEN_MEMBER(sound_irq_gen);
+ void sound_irq_ack_w(uint8_t data);
+ void bankselect_w(offs_t offset, uint16_t data);
+ uint8_t leta_r(offs_t offset);
+ void mixer_w(uint8_t data);
+ void sndrst_6502_w(uint8_t data);
+ uint16_t sound_r();
+ void sound_6502_w(uint8_t data);
+ uint8_t sound_6502_r();
+ void tms5220_w(uint8_t data);
+ void tms5220_strobe_w(offs_t offset, uint8_t data);
+ void coincount_w(uint8_t data);
+ void switch_6502_w(uint8_t data);
+
+ TIMER_DEVICE_CALLBACK_MEMBER(scanline_update);
+
+ TILE_GET_INFO_MEMBER(get_alpha_tile_info);
+ TILE_GET_INFO_MEMBER(get_playfield_tile_info);
+ uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+ void vblank_int(int state);
+ TIMER_CALLBACK_MEMBER(delayed_int_enable_w);
+ TIMER_CALLBACK_MEMBER(reset_yscroll_callback);
+ void yscroll_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
+ void xscroll_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
+ void spriteram_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
+ void playfieldt_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
+ void playfieldb_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
+ static rgb_t RRRRGGGGBBBBIIII(uint32_t raw);
+
+ static const atari_motion_objects_config s_mob_config;
+ void main_map(address_map &map) ATTR_COLD;
+ void sound_map(address_map &map) ATTR_COLD;
+};