Previous

199869 Revisions

Next

r32274 Monday 22nd September, 2014 at 07:58:23 UTC by Fabio Priuli
(MESS) advision.c: cleaned up the driver and added support for save states. [Fabio Priuli]

[src/mess/drivers]	advision.c
[src/mess/includes]	advision.h
[src/mess/machine]	advision.c
[src/mess/video]	advision.c

trunk/src/mess/drivers/advision.c

r32273	r32274
114	114	/* Game Driver */
115	115
116	116	/*    YEAR  NAME        PARENT  COMPAT  MACHINE   INPUT     INIT        COMPANY                 FULLNAME            FLAGS */
117		CONS( 1982, advision,   0,      0,      advision, advision, driver_device,  0,          "Entex Industries Inc", "Adventure Vision", GAME_IMPERFECT_GRAPHICS | GAME_IMPERFECT_SOUND )
	117	CONS( 1982, advision,   0,      0,      advision, advision, driver_device,  0,          "Entex Industries Inc", "Adventure Vision", GAME_IMPERFECT_GRAPHICS | GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )

trunk/src/mess/machine/advision.c

r32273	r32274
31	31	m_cart_rom = memregion(region_tag.cpy(m_cart->tag()).cat(GENERIC_ROM_REGION_TAG));
32	32
33	33	/* configure EA banking */
34		membank("bank1")->configure_entry(0, memregion(I8048_TAG)->base());
35		membank("bank1")->configure_entry(1, m_cart_rom->base());
	34	m_bank1->configure_entry(0, memregion(I8048_TAG)->base());
	35	m_bank1->configure_entry(1, m_cart_rom->base());
36	36	m_maincpu->space(AS_PROGRAM).install_readwrite_bank(0x0000, 0x03ff, "bank1");
37		membank("bank1")->set_entry(0);
	37	m_bank1->set_entry(0);
38	38
39	39	/* allocate external RAM */
40		m_ext_ram = auto_alloc_array(machine(), UINT8, 0x400);
	40	m_ext_ram.resize(0x400);
	41	save_item(NAME(m_ext_ram));
	42
	43	save_item(NAME(m_ea_bank));
	44	save_item(NAME(m_rambank));
	45	save_item(NAME(m_frame_count));
	46	save_item(NAME(m_frame_start));
	47	save_item(NAME(m_video_enable));
	48	save_item(NAME(m_video_bank));
	49	save_item(NAME(m_led_latch));
	50	save_item(NAME(m_sound_cmd));
	51	save_item(NAME(m_sound_d));
	52	save_item(NAME(m_sound_g));
41	53	}
42	54
43	55	void advision_state::machine_reset()
44	56	{
	57	m_ea_bank = 0;
	58	m_rambank = 0x300;
	59	m_frame_start = 0;
	60	m_video_enable = 0;
	61	m_sound_cmd = 0;
	62
45	63	/* enable internal ROM */
46	64	m_maincpu->set_input_line(MCS48_INPUT_EA, CLEAR_LINE);
47		membank("bank1")->set_entry(0);
	65	m_bank1->set_entry(m_ea_bank);
48	66
49	67	/* reset sound CPU */
50	68	m_soundcpu->set_input_line(INPUT_LINE_RESET, ASSERT_LINE);
51
52		m_rambank = 0x300;
53		m_frame_start = 0;
54		m_video_enable = 0;
55		m_sound_cmd = 0;
56	69	}
57	70
58	71	/* Bank Switching */
59	72
60	73	WRITE8_MEMBER( advision_state::bankswitch_w )
61	74	{
62		int ea = BIT(data, 2);
	75	m_ea_bank = BIT(data, 2);
	76	m_rambank = (data & 0x03) << 8;
63	77
64		m_maincpu->set_input_line(MCS48_INPUT_EA, ea ? ASSERT_LINE : CLEAR_LINE);
65
66		membank("bank1")->set_entry(ea);
67
68		m_rambank = (data & 0x03) << 8;
	78	m_maincpu->set_input_line(MCS48_INPUT_EA, m_ea_bank ? ASSERT_LINE : CLEAR_LINE);
	79	m_bank1->set_entry(m_ea_bank);
69	80	}
70	81
71	82	/* External RAM */
r32273	r32274
166	177	READ8_MEMBER( advision_state::controller_r )
167	178	{
168	179	// Get joystick switches
169		UINT8 in = ioport("joystick")->read();
	180	UINT8 in = m_joy->read();
170	181	UINT8 data = in | 0x0f;
171	182
172	183	// Get buttons

trunk/src/mess/includes/advision.h

r32273	r32274
24	24	m_soundcpu(*this, COP411_TAG),
25	25	m_dac(*this, "dac"),
26	26	m_cart(*this, "cartslot"),
	27	m_bank1(*this, "bank1"),
	28	m_joy(*this, "joystick"),
27	29	m_palette(*this, "palette")
28	30	{ }
29	31
r32273	r32274
31	33	required_device<cpu_device> m_soundcpu;
32	34	required_device<dac_device> m_dac;
33	35	required_device<generic_slot_device> m_cart;
	36	required_memory_bank m_bank1;
	37	required_ioport m_joy;
34	38	required_device<palette_device> m_palette;
35	39
36	40	virtual void machine_start();
r32273	r32274
56	60
57	61	memory_region *m_cart_rom;
58	62
	63	int m_ea_bank;
	64
59	65	/* external RAM state */
60		UINT8 *m_ext_ram;
	66	dynamic_buffer m_ext_ram;
61	67	int m_rambank;
62	68
63	69	/* video state */
r32273	r32274
67	73	int m_video_bank;
68	74	int m_video_hpos;
69	75	UINT8 m_led_latch[8];
70		UINT8 *m_display;
	76	dynamic_buffer m_display;
71	77
72	78	/* sound state */
73	79	int m_sound_cmd;

trunk/src/mess/video/advision.c

r32273	r32274
21	21	void advision_state::video_start()
22	22	{
23	23	m_video_hpos = 0;
24		m_display = auto_alloc_array(machine(), UINT8, 8 * 8 * 256);
25		memset(m_display, 0, 8 * 8 * 256);
	24	m_display.resize_and_clear(8 * 8 * 256);
	25	save_item(NAME(m_display));
	26	save_item(NAME(m_video_hpos));
26	27	}
27	28
28	29	/***************************************************************************
r32273	r32274
33	34
34	35	PALETTE_INIT_MEMBER(advision_state, advision)
35	36	{
36		int i;
37
38		for( i = 0; i < 8; i++ )
	37	for (int i = 0; i < 8; i++)
39	38	{
40	39	/* 8 shades of RED */
41	40	m_palette->set_pen_color(i, i * 0x22, 0x00, 0x00);
r32273	r32274
59	58	void advision_state::vh_update(int x)
60	59	{
61	60	UINT8 *dst = &m_display[x];
62		int y;
63	61
64		for( y = 0; y < 8; y++ )
	62	for (int y = 0; y < 8; y++)
65	63	{
66		UINT8 data = m_led_latch[7-y];
	64	UINT8 data = m_led_latch[7 - y];
67	65
68		if( (data & 0x80) == 0 ) dst[0 * 256] = 8;
69		if( (data & 0x40) == 0 ) dst[1 * 256] = 8;
70		if( (data & 0x20) == 0 ) dst[2 * 256] = 8;
71		if( (data & 0x10) == 0 ) dst[3 * 256] = 8;
72		if( (data & 0x08) == 0 ) dst[4 * 256] = 8;
73		if( (data & 0x04) == 0 ) dst[5 * 256] = 8;
74		if( (data & 0x02) == 0 ) dst[6 * 256] = 8;
75		if( (data & 0x01) == 0 ) dst[7 * 256] = 8;
	66	for (int i = 0; i < 8; i++)
	67	{
	68	if (!BIT(data, 7 - i))
	69	dst[i * 256] = 8;
	70	}
76	71
77		m_led_latch[7-y] = 0xff;
78
	72	m_led_latch[7 - y] = 0xff;
79	73	dst += 8 * 256;
80	74	}
81	75	}
r32273	r32274
89	83
90	84	UINT32 advision_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
91	85	{
92		int x, y;
93
94		if( (m_frame_count++ % 4) == 0 )
	86	if ((m_frame_count++ % 4) == 0)
95	87	{
96	88	m_frame_start = 1;
97	89	m_video_hpos = 0;
98	90	}
99	91
100		for (x = 0; x < 150; x++)
	92	for (int x = 0; x < 150; x++)
101	93	{
102	94	UINT8 *led = &m_display[x];
103	95
104		for( y = 0; y < 128; y+=2 )
	96	for (int y = 0; y < 128; y+=2)
105	97	{
106		if( *led > 0 )
	98	if (*led > 0)
107	99	bitmap.pix16(30 + y, 85 + x) = --(*led);
108	100	else
109	101	bitmap.pix16(30 + y, 85 + x) = 0;

Previous

199869 Revisions

Next

---

© 1997-2024 The MAME Team