1 // license:BSD-3-Clause
2 // copyright-holders:Aaron Giles
3 /*************************************************************************
4 
5     Atari "Round" hardware
6 
7 *************************************************************************/
8 #ifndef MAME_INCLUDES_OFFTWALL_H
9 #define MAME_INCLUDES_OFFTWALL_H
10 
11 #pragma once
12 
13 #include "audio/atarijsa.h"
14 #include "video/atarimo.h"
15 #include "video/atarivad.h"
16 #include "screen.h"
17 #include "tilemap.h"
18 
19 class offtwall_state : public driver_device
20 {
21 public:
offtwall_state(const machine_config & mconfig,device_type type,const char * tag)22 	offtwall_state(const machine_config &mconfig, device_type type, const char *tag) :
23 		driver_device(mconfig, type, tag),
24 		m_maincpu(*this, "maincpu"),
25 		m_jsa(*this, "jsa"),
26 		m_vad(*this, "vad"),
27 		m_mainram(*this, "mainram"),
28 		m_bankrom_base(*this, "bankrom_base")
29 	{ }
30 
31 	void offtwall(machine_config &config);
32 
33 	void init_offtwall();
34 	void init_offtwalc();
35 
36 private:
37 	void io_latch_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
38 	uint16_t bankswitch_r(offs_t offset);
39 	uint16_t bankrom_r(address_space &space, offs_t offset);
40 	uint16_t spritecache_count_r(offs_t offset);
41 	uint16_t unknown_verify_r(offs_t offset);
42 	TILE_GET_INFO_MEMBER(get_playfield_tile_info);
43 	uint32_t screen_update_offtwall(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
44 	void main_map(address_map &map);
45 
46 	required_device<cpu_device> m_maincpu;
47 	required_device<atari_jsa_iii_device> m_jsa;
48 	required_device<atari_vad_device> m_vad;
49 	required_shared_ptr<uint16_t> m_mainram;
50 
51 	uint16_t *m_bankswitch_base;
52 	required_shared_ptr<uint16_t> m_bankrom_base;
53 	uint32_t m_bank_offset;
54 
55 	uint16_t *m_spritecache_count;
56 	uint16_t *m_unknown_verify_base;
57 
58 	static const atari_motion_objects_config s_mob_config;
59 };
60 
61 #endif // MAME_INCLUDES_OFFTWALL_H
62