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r14901 Thursday 12th April, 2012 at 06:40:10 UTC by Miodrag Milanović
Some AM_BASE -> AM_SHARE (no whatsnew)

[src/mess/drivers]

a2600.c a5105.c alphatro.c altair.c apf.c applix.c apricot.c argo.c ax20.c b16.c bcs3.c beehive.c bigbord2.c bmjr.c c10.c casloopy.c cat.c ccs2422.c cd2650.c cfx9850.c codata.c czk80.c d6800.c digel804.c dim68k.c dmv.c dual68.c ec65.c fp1100.c fp6000.c gp2x.c h19.c homelab.c homez80.c hp49gp.c hp9k.c ht68k.c if800.c ip22.c jr100.c jr200.c k8915.c m20.c m79152pc.c mbc200.c mccpm.c mes.c multi16.c myb3k.c mz6500.c okean240.c paso1600.c pc100.c pc1500.c pc6001.c pc88va.c pc9801.c pcm.c pegasus.c phunsy.c plan80.c pockstat.c pt68k4.c ptcsol.c pv1000.c pv9234.c qtsbc.c qx10.c rainbow.c scv.c sgi_ip2.c ssem.c sun1.c sun2.c sun3.c supracan.c ti99_2.c tk80bs.c tricep.c unior.c unixpc.c vboy.c vii.c vt100.c vt240.c vtech1.c z1013.c z9001.c zexall.c zrt80.c

src/mess/drivers/rainbow.c

r14900	r14901
16	16	rainbow_state(const machine_config &mconfig, device_type type, const char *tag)
17	17	: driver_device(mconfig, type, tag),
18	18	m_crtc(*this, "vt100_video")
19		{ }
	19	,
	20	m_p_ram(*this, "p_ram"){ }
20	21
21	22	required_device<device_t> m_crtc;
22		UINT8 *m_p_ram;
	23	required_shared_ptr<UINT8> m_p_ram;
23	24	UINT8 m_diagnostic;
24	25
25	26	DECLARE_READ8_MEMBER(read_video_ram_r);
r14900	r14901
34	35	ADDRESS_MAP_UNMAP_HIGH
35	36	AM_RANGE(0x00000, 0x1ffff) AM_RAM
36	37	AM_RANGE(0xec000, 0xedfff) AM_RAM
37		AM_RANGE(0xee000, 0xeffff) AM_RAM AM_BASE(m_p_ram)
	38	AM_RANGE(0xee000, 0xeffff) AM_RAM AM_SHARE("p_ram")
38	39	AM_RANGE(0xf0000, 0xfffff) AM_ROM
39	40	ADDRESS_MAP_END
40	41

src/mess/drivers/plan80.c

r14900	r14901
34	34	plan80_state(const machine_config &mconfig, device_type type, const char *tag)
35	35	: driver_device(mconfig, type, tag),
36	36	m_maincpu(*this, "maincpu")
37		{ }
	37	,
	38	m_p_videoram(*this, "p_videoram"){ }
38	39
39	40	required_device<cpu_device> m_maincpu;
40	41	DECLARE_READ8_MEMBER(plan80_04_r);
41	42	DECLARE_WRITE8_MEMBER(plan80_09_w);
42		UINT8* m_p_videoram;
	43	required_shared_ptr<UINT8> m_p_videoram;
43	44	const UINT8* m_p_chargen;
44	45	UINT8 m_kbd_row;
45	46	virtual void machine_reset();
r14900	r14901
79	80	ADDRESS_MAP_UNMAP_HIGH
80	81	AM_RANGE(0x0000, 0x07ff) AM_RAMBANK("boot")
81	82	AM_RANGE(0x0800, 0xefff) AM_RAM
82		AM_RANGE(0xf000, 0xf7ff) AM_RAM AM_BASE(m_p_videoram)
	83	AM_RANGE(0xf000, 0xf7ff) AM_RAM AM_SHARE("p_videoram")
83	84	AM_RANGE(0xf800, 0xffff) AM_ROM
84	85	ADDRESS_MAP_END
85	86

src/mess/drivers/homelab.c

r14900	r14901
28	28	: driver_device(mconfig, type, tag),
29	29	m_maincpu(*this, "maincpu")//,
30	30	//m_speaker(*this, SPEAKER_TAG)
31		{ }
	31	,
	32	m_p_videoram(*this, "p_videoram"){ }
32	33
33	34	required_device<cpu_device> m_maincpu;
34	35	//required_device<device_t> m_speaker;
35	36	DECLARE_READ8_MEMBER( e802_r );
36	37	DECLARE_READ8_MEMBER( key_r );
37	38	DECLARE_WRITE8_MEMBER( key_w );
38		const UINT8 *m_p_videoram;
	39	required_shared_ptr<const UINT8> m_p_videoram;
39	40	const UINT8 *m_p_chargen;
40	41	//virtual void machine_reset();
41	42	//virtual void machine_start();
r14900	r14901
84	85	AM_RANGE( 0x3000, 0x37ff ) AM_ROM  // Empty
85	86	AM_RANGE( 0x3800, 0x3fff ) AM_READWRITE(key_r,key_w)
86	87	AM_RANGE( 0x4000, 0x7fff ) AM_RAM
87		AM_RANGE( 0xc000, 0xc3ff ) AM_RAM AM_BASE(m_p_videoram) AM_MIRROR(0x3c00) // Video RAM 1K
	88	AM_RANGE( 0xc000, 0xc3ff ) AM_RAM AM_SHARE("p_videoram") AM_MIRROR(0x3c00) // Video RAM 1K
88	89	ADDRESS_MAP_END
89	90
90	91	static ADDRESS_MAP_START(homelab3_mem, AS_PROGRAM, 8, homelab_state)
r14900	r14901
93	94	AM_RANGE( 0xe802, 0xe802 ) AM_READ(e802_r)
94	95	AM_RANGE( 0xe880, 0xe880 ) AM_READNOP // reads this then throws result away
95	96	//AM_RANGE( 0xe000, 0xefff ) AM_RAM // Keyboard
96		AM_RANGE( 0xf000, 0xf7ff ) AM_RAM AM_BASE(m_p_videoram) AM_MIRROR(0x0800) // Video RAM 2K
	97	AM_RANGE( 0xf000, 0xf7ff ) AM_RAM AM_SHARE("p_videoram") AM_MIRROR(0x0800) // Video RAM 2K
97	98	ADDRESS_MAP_END
98	99
99	100	/* Input ports */

src/mess/drivers/pc100.c

r14900	r14901
25	25	{
26	26	public:
27	27	pc100_state(const machine_config &mconfig, device_type type, const char *tag)
28		: driver_device(mconfig, type, tag) { }
	28	: driver_device(mconfig, type, tag) ,
	29	m_palram(*this, "palram"){ }
29	30
30	31	DECLARE_READ16_MEMBER(pc100_vram_r);
31	32	DECLARE_WRITE16_MEMBER(pc100_vram_w);
r14900	r14901
46	47	DECLARE_WRITE_LINE_MEMBER(pc100_set_int_line);
47	48	UINT16 *m_kanji_rom;
48	49	UINT16 *m_vram;
49		UINT16 *m_palram;
	50	required_shared_ptr<UINT16> m_palram;
50	51	UINT16 m_kanji_addr;
51	52	UINT8 m_timer_mode;
52	53
r14900	r14901
230	231	AM_RANGE(0x38, 0x39) AM_WRITE8(pc100_crtc_addr_w,0x00ff) //crtc address reg
231	232	AM_RANGE(0x3a, 0x3b) AM_WRITE8(pc100_crtc_data_w,0x00ff) //crtc data reg
232	233	AM_RANGE(0x3c, 0x3f) AM_READWRITE8(pc100_vs_vreg_r,pc100_vs_vreg_w,0x00ff) //crtc vertical start position
233		AM_RANGE(0x40, 0x5f) AM_RAM_WRITE(pc100_paletteram_w) AM_BASE(m_palram)
	234	AM_RANGE(0x40, 0x5f) AM_RAM_WRITE(pc100_paletteram_w) AM_SHARE("palram")
234	235	//  AM_RANGE(0x60, 0x61) crtc command (16-bit wide)
235	236	AM_RANGE(0x80, 0x81) AM_READWRITE(pc100_kanji_r,pc100_kanji_w)
236	237	AM_RANGE(0x82, 0x83) AM_WRITENOP //kanji-related?

src/mess/drivers/pc9801.c

r14900	r14901
260	260	m_sio(*this, UPD8251_TAG),
261	261	m_hgdc1(*this, "upd7220_chr"),
262	262	m_hgdc2(*this, "upd7220_btm")
263		{ }
	263	,
	264	m_video_ram_1(*this, "video_ram_1"),
	265	m_video_ram_2(*this, "video_ram_2"){ }
264	266
265	267	required_device<upd1990a_device> m_rtc;
266	268	required_device<i8251_device> m_sio;
r14900	r14901
270	272	virtual void video_start();
271	273	UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
272	274
273		UINT8 *m_video_ram_1;
274		UINT8 *m_video_ram_2;
	275	required_shared_ptr<UINT8> m_video_ram_1;
	276	required_shared_ptr<UINT8> m_video_ram_2;
275	277	UINT8 *m_char_rom;
276	278
277	279	UINT8 m_portb_tmp;
r14900	r14901
1706	1708	ADDRESS_MAP_END
1707	1709
1708	1710	static ADDRESS_MAP_START( upd7220_1_map, AS_0, 8, pc9801_state )
1709		AM_RANGE(0x00000, 0x3ffff) AM_RAM AM_BASE(m_video_ram_1)
	1711	AM_RANGE(0x00000, 0x3ffff) AM_RAM AM_SHARE("video_ram_1")
1710	1712	ADDRESS_MAP_END
1711	1713
1712	1714	static ADDRESS_MAP_START( upd7220_2_map, AS_0, 8, pc9801_state )
1713		AM_RANGE(0x00000, 0x3ffff) AM_RAM AM_BASE(m_video_ram_2)
	1715	AM_RANGE(0x00000, 0x3ffff) AM_RAM AM_SHARE("video_ram_2")
1714	1716	ADDRESS_MAP_END
1715	1717
1716	1718	/* keyboard code */

src/mess/drivers/pt68k4.c

r14900	r14901
18	18	{
19	19	public:
20	20	pt68k4_state(const machine_config &mconfig, device_type type, const char *tag)
21		: driver_device(mconfig, type, tag) { }
	21	: driver_device(mconfig, type, tag) ,
	22	m_p_ram(*this, "p_ram"){ }
22	23
23		UINT16* m_p_ram;
	24	required_shared_ptr<UINT16> m_p_ram;
24	25	};
25	26
26	27	static ADDRESS_MAP_START(pt68k4_mem, AS_PROGRAM, 16, pt68k4_state)
27	28	ADDRESS_MAP_UNMAP_HIGH
28		AM_RANGE(0x00000000, 0x0007ffff) AM_RAM AM_BASE(m_p_ram) // 512 KB RAM / ROM at boot
	29	AM_RANGE(0x00000000, 0x0007ffff) AM_RAM AM_SHARE("p_ram") // 512 KB RAM / ROM at boot
29	30	AM_RANGE(0x00f00000, 0x00f0ffff) AM_ROM AM_MIRROR(0xf0000) AM_REGION("user1", 0)
30	31	AM_RANGE(0x00ff0000, 0x00ffffff) AM_RAM
31	32	ADDRESS_MAP_END
r14900	r14901
40	41	pt68k4_state *state = machine.driver_data<pt68k4_state>();
41	42	UINT8* user1 = machine.region("user1")->base();
42	43
43		memcpy((UINT8*)state->m_p_ram, user1, 8);
	44	memcpy((UINT8*)state->m_p_ram.target(), user1, 8);
44	45
45	46	machine.device("maincpu")->reset();
46	47	}

src/mess/drivers/multi16.c

r14900	r14901
18	18	m_maincpu(*this, "maincpu"),
19	19	m_pic(*this, "pic8259"),
20	20	m_crtc(*this, "crtc")
21		{ }
	21	,
	22	m_p_vram(*this, "p_vram"){ }
22	23
23	24	required_device<cpu_device> m_maincpu;
24	25	required_device<device_t> m_pic;
r14900	r14901
26	27	DECLARE_WRITE8_MEMBER(multi16_6845_address_w);
27	28	DECLARE_WRITE8_MEMBER(multi16_6845_data_w);
28	29	DECLARE_WRITE_LINE_MEMBER(multi16_set_int_line);
29		UINT16 *m_p_vram;
	30	required_shared_ptr<UINT16> m_p_vram;
30	31	UINT8 m_crtc_vreg[0x100],m_crtc_index;
31	32	};
32	33
r14900	r14901
84	85	static ADDRESS_MAP_START(multi16_map, AS_PROGRAM, 16, multi16_state)
85	86	ADDRESS_MAP_UNMAP_HIGH
86	87	AM_RANGE(0x00000,0x7ffff) AM_RAM
87		AM_RANGE(0xd8000,0xdffff) AM_RAM AM_BASE(m_p_vram)
	88	AM_RANGE(0xd8000,0xdffff) AM_RAM AM_SHARE("p_vram")
88	89	AM_RANGE(0xe0000,0xeffff) AM_RAM
89	90	AM_RANGE(0xf0000,0xf3fff) AM_MIRROR(0xc000) AM_ROM AM_REGION("ipl", 0)
90	91	ADDRESS_MAP_END

src/mess/drivers/unixpc.c

r14900	r14901
31	31	m_ram(*this, RAM_TAG),
32	32	m_wd2797(*this, "wd2797"),
33	33	m_floppy(*this, FLOPPY_0)
34		{ }
	34	,
	35	m_mapram(*this, "mapram"),
	36	m_videoram(*this, "videoram"){ }
35	37
36	38	required_device<cpu_device> m_maincpu;
37	39	required_device<ram_device> m_ram;
r14900	r14901
50	52	DECLARE_WRITE_LINE_MEMBER( wd2797_intrq_w );
51	53	DECLARE_WRITE_LINE_MEMBER( wd2797_drq_w );
52	54
53		UINT16 *m_mapram;
54		UINT16 *m_videoram;
	55	required_shared_ptr<UINT16> m_mapram;
	56	required_shared_ptr<UINT16> m_videoram;
55	57	};
56	58
57	59
r14900	r14901
154	156
155	157	static ADDRESS_MAP_START( unixpc_mem, AS_PROGRAM, 16, unixpc_state )
156	158	AM_RANGE(0x000000, 0x3fffff) AM_RAMBANK("bank1")
157		AM_RANGE(0x400000, 0x4007ff) AM_RAM AM_BASE(m_mapram)
158		AM_RANGE(0x420000, 0x427fff) AM_RAM AM_BASE(m_videoram)
	159	AM_RANGE(0x400000, 0x4007ff) AM_RAM AM_SHARE("mapram")
	160	AM_RANGE(0x420000, 0x427fff) AM_RAM AM_SHARE("videoram")
159	161	AM_RANGE(0x470000, 0x470001) AM_READ(line_printer_r)
160	162	AM_RANGE(0x4a0000, 0x4a0001) AM_WRITE(misc_control_w)
161	163	AM_RANGE(0x4e0000, 0x4e0001) AM_WRITE(disk_control_w)

src/mess/drivers/cfx9850.c

r14900	r14901
25	25	{
26	26	public:
27	27	cfx9850_state(const machine_config &mconfig, device_type type, const char *tag)
28		: driver_device(mconfig, type, tag) { }
	28	: driver_device(mconfig, type, tag) ,
	29	m_p_video_ram(*this, "p_video_ram"),
	30	m_p_display_ram(*this, "p_display_ram"){ }
29	31
30	32	DECLARE_WRITE8_MEMBER(cfx9850_kol_w);
31	33	DECLARE_WRITE8_MEMBER(cfx9850_koh_w);
32	34	DECLARE_READ8_MEMBER(cfx9850_ki_r);
33	35	DECLARE_READ8_MEMBER(cfx9850_battery_level_r);
34		UINT8 *m_p_video_ram;
35		UINT8 *m_p_display_ram;
	36	required_shared_ptr<UINT8> m_p_video_ram;
	37	required_shared_ptr<UINT8> m_p_display_ram;
36	38	UINT16 m_ko;            /* KO lines KO1 - KO14 */
37	39	};
38	40

src/mess/drivers/pc88va.c

r14900	r14901
50	50	{
51	51	public:
52	52	pc88va_state(const machine_config &mconfig, device_type type, const char *tag)
53		: driver_device(mconfig, type, tag) { }
	53	: driver_device(mconfig, type, tag) ,
	54	m_palram(*this, "palram"){ }
54	55
55		UINT16 *m_palram;
	56	required_shared_ptr<UINT16> m_palram;
56	57	UINT16 m_bank_reg;
57	58	UINT16 m_screen_ctrl_reg;
58	59	UINT8 m_timer3_io_reg;
r14900	r14901
1140	1141	AM_RANGE(0x0220, 0x023f) AM_RAM // Frame buffer 1 control parameter
1141	1142	AM_RANGE(0x0240, 0x025f) AM_RAM // Frame buffer 2 control parameter
1142	1143	AM_RANGE(0x0260, 0x027f) AM_RAM // Frame buffer 3 control parameter
1143		AM_RANGE(0x0300, 0x033f) AM_RAM_WRITE(palette_ram_w) AM_BASE(m_palram) // Palette RAM (xBBBBxRRRRxGGGG format)
	1144	AM_RANGE(0x0300, 0x033f) AM_RAM_WRITE(palette_ram_w) AM_SHARE("palram") // Palette RAM (xBBBBxRRRRxGGGG format)
1144	1145
1145	1146	//  AM_RANGE(0x0500, 0x05ff) GVRAM
1146	1147	//  AM_RANGE(0x1000, 0xfeff) user area (???)

src/mess/drivers/pc6001.c

r14900	r14901
140	140	pc6001_state(const machine_config &mconfig, device_type type, const char *tag)
141	141	: driver_device(mconfig, type, tag),
142	142	m_ppi(*this, "ppi8255")
143		{ }
	143	,
	144	m_ram(*this, "ram"){ }
144	145
145	146	required_device<i8255_device> m_ppi;
146	147
147		UINT8 *m_ram;
	148	required_shared_ptr<UINT8> m_ram;
148	149	UINT8 *m_video_ram;
149	150	UINT8 m_irq_vector;
150	151	UINT8 m_cas_switch;
r14900	r14901
819	820	AM_RANGE(0x0000, 0x3fff) AM_ROM AM_WRITENOP
820	821	AM_RANGE(0x4000, 0x5fff) AM_ROM AM_REGION("cart_img",0)
821	822	AM_RANGE(0x6000, 0x7fff) AM_ROMBANK("bank1")
822		AM_RANGE(0x8000, 0xffff) AM_RAM AM_BASE(m_ram)
	823	AM_RANGE(0x8000, 0xffff) AM_RAM AM_SHARE("ram")
823	824	ADDRESS_MAP_END
824	825
825	826	static ADDRESS_MAP_START( pc6001_io , AS_IO, 8, pc6001_state )

src/mess/drivers/if800.c

r14900	r14901
17	17	if800_state(const machine_config &mconfig, device_type type, const char *tag)
18	18	: driver_device(mconfig, type, tag),
19	19	m_hgdc(*this, "upd7220")
20		{ }
	20	,
	21	m_video_ram(*this, "video_ram"){ }
21	22
22	23	required_device<upd7220_device> m_hgdc;
23	24
24		UINT8 *m_video_ram;
	25	required_shared_ptr<UINT8> m_video_ram;
25	26	};
26	27
27	28	static UPD7220_DISPLAY_PIXELS( hgdc_display_pixels )
r14900	r14901
77	78	};
78	79
79	80	static ADDRESS_MAP_START( upd7220_map, AS_0, 8, if800_state )
80		AM_RANGE(0x00000, 0x3ffff) AM_RAM AM_BASE(m_video_ram)
	81	AM_RANGE(0x00000, 0x3ffff) AM_RAM AM_SHARE("video_ram")
81	82	ADDRESS_MAP_END
82	83
83	84	static MACHINE_CONFIG_START( if800, if800_state )

src/mess/drivers/vii.c

r14900	r14901
87	87	public:
88	88	vii_state(const machine_config &mconfig, device_type type, const char *tag)
89	89	: driver_device(mconfig, type, tag),
90		m_maincpu(*this, "maincpu")
91		{ }
	90	m_maincpu(*this, "maincpu"),
	91	m_p_ram(*this, "p_ram"),
	92	m_p_rowscroll(*this, "p_rowscroll"),
	93	m_p_palette(*this, "p_palette"),
	94	m_p_spriteram(*this, "p_spriteram"),
	95	m_p_cart(*this, "p_cart"){ }
92	96
93	97	required_device<cpu_device> m_maincpu;
94	98	DECLARE_READ16_MEMBER(vii_video_r);
r14900	r14901
99	103	DECLARE_WRITE16_MEMBER(vii_io_w);
100	104	DECLARE_WRITE16_MEMBER(vii_rowscroll_w);
101	105	DECLARE_WRITE16_MEMBER(vii_spriteram_w);
102		UINT16 *m_p_ram;
103		UINT16 *m_p_cart;
104		UINT16 *m_p_rowscroll;
105		UINT16 *m_p_palette;
106		UINT16 *m_p_spriteram;
	106	required_shared_ptr<UINT16> m_p_ram;
	107	required_shared_ptr<UINT16> m_p_rowscroll;
	108	required_shared_ptr<UINT16> m_p_palette;
	109	required_shared_ptr<UINT16> m_p_spriteram;
	110	required_shared_ptr<UINT16> m_p_cart;
107	111
108	112	UINT32 m_current_bank;
109	113
r14900	r14901
854	858	*/
855	859
856	860	static ADDRESS_MAP_START( vii_mem, AS_PROGRAM, 16, vii_state )
857		AM_RANGE( 0x000000, 0x004fff ) AM_RAM AM_BASE(m_p_ram)
	861	AM_RANGE( 0x000000, 0x004fff ) AM_RAM AM_SHARE("p_ram")
858	862	AM_RANGE( 0x005000, 0x0051ff ) AM_READWRITE(vii_video_r, vii_video_w)
859		AM_RANGE( 0x005200, 0x0055ff ) AM_RAM AM_BASE(m_p_rowscroll)
860		AM_RANGE( 0x005600, 0x0057ff ) AM_RAM AM_BASE(m_p_palette)
861		AM_RANGE( 0x005800, 0x005fff ) AM_RAM AM_BASE(m_p_spriteram)
	863	AM_RANGE( 0x005200, 0x0055ff ) AM_RAM AM_SHARE("p_rowscroll")
	864	AM_RANGE( 0x005600, 0x0057ff ) AM_RAM AM_SHARE("p_palette")
	865	AM_RANGE( 0x005800, 0x005fff ) AM_RAM AM_SHARE("p_spriteram")
862	866	AM_RANGE( 0x006000, 0x006fff ) AM_READWRITE(vii_audio_r, vii_audio_w)
863	867	AM_RANGE( 0x007000, 0x007fff ) AM_READWRITE(vii_io_r,    vii_io_w)
864		AM_RANGE( 0x008000, 0x7fffff ) AM_ROM AM_BASE(m_p_cart)
	868	AM_RANGE( 0x008000, 0x7fffff ) AM_ROM AM_SHARE("p_cart")
865	869	ADDRESS_MAP_END
866	870
867	871	static INPUT_PORTS_START( vii )

src/mess/drivers/sun3.c

r14900	r14901
220	220	sun3_state(const machine_config &mconfig, device_type type, const char *tag)
221	221	: driver_device(mconfig, type, tag),
222	222	m_maincpu(*this, "maincpu")
223		{ }
	223	,
	224	m_p_ram(*this, "p_ram"){ }
224	225
225	226	required_device<cpu_device> m_maincpu;
226	227	virtual void machine_reset();
227	228
228		UINT16* m_p_ram;
	229	required_shared_ptr<UINT16> m_p_ram;
229	230	};
230	231
231	232	static ADDRESS_MAP_START(sun3_mem, AS_PROGRAM, 32, sun3_state)
232	233	ADDRESS_MAP_UNMAP_HIGH
233		AM_RANGE(0x00000000, 0x00ffffff) AM_RAM AM_BASE(m_p_ram) // 16MB
	234	AM_RANGE(0x00000000, 0x00ffffff) AM_RAM AM_SHARE("p_ram") // 16MB
234	235	AM_RANGE(0x0fef0000, 0x0fefffff) AM_ROM AM_REGION("user1",0)
235	236	ADDRESS_MAP_END
236	237
237	238	static ADDRESS_MAP_START(sun3x_mem, AS_PROGRAM, 32, sun3_state)
238		AM_RANGE(0x00000000, 0x00ffffff) AM_RAM AM_BASE(m_p_ram) // 16MB
	239	AM_RANGE(0x00000000, 0x00ffffff) AM_RAM AM_SHARE("p_ram") // 16MB
239	240	AM_RANGE(0xfefe0000, 0xfefeffff) AM_ROM AM_REGION("user1",0)
240	241	ADDRESS_MAP_END
241	242
r14900	r14901
248	249	{
249	250	UINT8* user1 = machine().region("user1")->base();
250	251
251		memcpy((UINT8*)m_p_ram,user1,0x10000);
	252	memcpy((UINT8*)m_p_ram.target(),user1,0x10000);
252	253
253	254	machine().device("maincpu")->reset();
254	255	}

src/mess/drivers/d6800.c

r14900	r14901
58	58	m_cass(*this, CASSETTE_TAG),
59	59	m_pia(*this, "pia"),
60	60	m_speaker(*this, SPEAKER_TAG)
61		{ }
	61	,
	62	m_videoram(*this, "videoram"){ }
62	63
63	64	required_device<cpu_device> m_maincpu;
64	65	required_device<cassette_image_device> m_cass;
r14900	r14901
75	76	UINT8 m_keylatch;
76	77	UINT8 m_screen_on;
77	78	UINT8 m_rtc;
78		UINT8 *m_videoram;
	79	required_shared_ptr<UINT8> m_videoram;
79	80	};
80	81
81	82

src/mess/drivers/fp1100.c

r14900	r14901
71	71	//m_printer(*this, "centronics"),
72	72	m_crtc(*this, "crtc")
73	73	//m_fdc(*this, "fdc")
74		{ }
	74	,
	75	m_p_videoram(*this, "p_videoram"){ }
75	76
76	77	required_device<cpu_device> m_maincpu;
77	78	required_device<cpu_device> m_subcpu;
r14900	r14901
96	97	DECLARE_WRITE8_MEMBER(sub_to_main_w);
97	98	DECLARE_WRITE8_MEMBER(portc_w);
98	99	UINT8 *m_wram;
99		UINT8 *m_p_videoram;
	100	required_shared_ptr<UINT8> m_p_videoram;
100	101	UINT8 m_mem_bank;
101	102	UINT8 irq_mask;
102	103	UINT8 m_main_latch;
r14900	r14901
246	247	AM_RANGE(0xff80, 0xffff) AM_RAM      /* upd7801 internal RAM */
247	248	AM_RANGE(0x0000, 0x0fff) AM_ROM AM_REGION("sub_ipl",0x0000)
248	249	AM_RANGE(0x1000, 0x1fff) AM_ROM AM_REGION("sub_ipl",0x1000)
249		AM_RANGE(0x2000, 0xdfff) AM_READWRITE(fp1100_vram_r,fp1100_vram_w) AM_BASE(m_p_videoram) //vram B/R/G
	250	AM_RANGE(0x2000, 0xdfff) AM_READWRITE(fp1100_vram_r,fp1100_vram_w) AM_SHARE("p_videoram") //vram B/R/G
250	251	AM_RANGE(0xe000, 0xe000) AM_DEVWRITE("crtc", mc6845_device, address_w)
251	252	AM_RANGE(0xe001, 0xe001) AM_DEVWRITE("crtc", mc6845_device, register_w)
252	253	AM_RANGE(0xe400, 0xe400) AM_READ_PORT("DSW") AM_WRITENOP // key mux write

src/mess/drivers/beehive.c

r14900	r14901
30	30	beehive_state(const machine_config &mconfig, device_type type, const char *tag)
31	31	: driver_device(mconfig, type, tag),
32	32	m_maincpu(*this, "maincpu")
33		{ }
	33	,
	34	m_p_videoram(*this, "p_videoram"){ }
34	35
35	36	required_device<cpu_device> m_maincpu;
36	37	DECLARE_READ8_MEMBER(beehive_60_r);
37	38	DECLARE_WRITE8_MEMBER(beehive_62_w);
38	39	const UINT8 *m_p_chargen;
39		const UINT8 *m_p_videoram;
	40	required_shared_ptr<const UINT8> m_p_videoram;
40	41	UINT8 m_keyline;
41	42	virtual void machine_reset();
42	43	virtual void video_start();
r14900	r14901
63	64	static ADDRESS_MAP_START(beehive_mem, AS_PROGRAM, 8, beehive_state)
64	65	ADDRESS_MAP_UNMAP_HIGH
65	66	AM_RANGE( 0x0000, 0x17ff ) AM_ROM
66		AM_RANGE( 0x8000, 0x8fff ) AM_RAM AM_BASE(m_p_videoram)
	67	AM_RANGE( 0x8000, 0x8fff ) AM_RAM AM_SHARE("p_videoram")
67	68	ADDRESS_MAP_END
68	69
69	70	static ADDRESS_MAP_START( beehive_io, AS_IO, 8, beehive_state)

src/mess/drivers/bcs3.c

r14900	r14901
25	25	bcs3_state(const machine_config &mconfig, device_type type, const char *tag)
26	26	: driver_device(mconfig, type, tag),
27	27	m_maincpu(*this, "maincpu")
28		{ }
	28	,
	29	m_p_videoram(*this, "p_videoram"){ }
29	30
30	31	required_device<cpu_device> m_maincpu;
31	32	const UINT8 *m_p_chargen;
32		const UINT8 *m_p_videoram;
	33	required_shared_ptr<const UINT8> m_p_videoram;
33	34	DECLARE_READ8_MEMBER(bcs3_keyboard_r);
34	35	virtual void machine_reset();
35	36	virtual void video_start();
r14900	r14901
67	68	AM_RANGE( 0x1000, 0x11ff ) AM_READ_PORT("LINE9")
68	69	AM_RANGE( 0x1200, 0x13ff ) AM_READ(bcs3_keyboard_r)
69	70	AM_RANGE( 0x3c00, 0xffff ) AM_RAM
70		AM_RANGE( 0x3c50, 0x3d9f ) AM_RAM AM_BASE(m_p_videoram)
	71	AM_RANGE( 0x3c50, 0x3d9f ) AM_RAM AM_SHARE("p_videoram")
71	72	ADDRESS_MAP_END
72	73
73	74	static ADDRESS_MAP_START(bcs3a_mem, AS_PROGRAM, 8, bcs3_state)
r14900	r14901
76	77	AM_RANGE( 0x1000, 0x11ff ) AM_READ_PORT("LINE9")
77	78	AM_RANGE( 0x1200, 0x13ff ) AM_READ(bcs3_keyboard_r)
78	79	AM_RANGE( 0x3c00, 0xefff ) AM_RAM
79		AM_RANGE( 0x3c00, 0x5a7f ) AM_RAM AM_BASE(m_p_videoram)
	80	AM_RANGE( 0x3c00, 0x5a7f ) AM_RAM AM_SHARE("p_videoram")
80	81	AM_RANGE( 0xf000, 0xf3ff ) AM_ROM
81	82	ADDRESS_MAP_END
82	83
r14900	r14901
86	87	AM_RANGE( 0x1000, 0x11ff ) AM_READ_PORT("LINE9")
87	88	AM_RANGE( 0x1200, 0x13ff ) AM_READ(bcs3_keyboard_r)
88	89	AM_RANGE( 0x3c00, 0xefff ) AM_RAM
89		AM_RANGE( 0x3c00, 0x657f ) AM_RAM AM_BASE(m_p_videoram)
	90	AM_RANGE( 0x3c00, 0x657f ) AM_RAM AM_SHARE("p_videoram")
90	91	AM_RANGE( 0xf000, 0xf3ff ) AM_ROM
91	92	ADDRESS_MAP_END
92	93
r14900	r14901
96	97	AM_RANGE( 0x1000, 0x11ff ) AM_READ_PORT("LINE9")
97	98	AM_RANGE( 0x1200, 0x13ff ) AM_READ(bcs3_keyboard_r)
98	99	AM_RANGE( 0x3c00, 0xffff ) AM_RAM
99		AM_RANGE( 0x3c00, 0x5ab3 ) AM_RAM AM_BASE(m_p_videoram)
	100	AM_RANGE( 0x3c00, 0x5ab3 ) AM_RAM AM_SHARE("p_videoram")
100	101	ADDRESS_MAP_END
101	102
102	103	static ADDRESS_MAP_START( bcs3_io, AS_IO, 8, bcs3_state)

src/mess/drivers/m20.c

r14900	r14901
44	44	{
45	45	public:
46	46	m20_state(const machine_config &mconfig, device_type type, const char *tag)
47		: driver_device(mconfig, type, tag) { }
	47	: driver_device(mconfig, type, tag) ,
	48	m_p_videoram(*this, "p_videoram"){ }
48	49
49		UINT16 *m_p_videoram;
	50	required_shared_ptr<UINT16> m_p_videoram;
50	51	};
51	52
52	53
r14900	r14901
90	91	static ADDRESS_MAP_START(m20_mem, AS_PROGRAM, 16, m20_state)
91	92	ADDRESS_MAP_UNMAP_HIGH
92	93	AM_RANGE( 0x00000, 0x01fff ) AM_ROM AM_MIRROR(0x40000) AM_REGION("maincpu", 0x10000)
93		AM_RANGE( 0x30000, 0x33fff ) AM_RAM AM_BASE(m_p_videoram)//base vram
	94	AM_RANGE( 0x30000, 0x33fff ) AM_RAM AM_SHARE("p_videoram")//base vram
94	95	//  AM_RANGE( 0x34000, 0x37fff ) AM_RAM //extra vram for bitmap mode
95	96	//  AM_RANGE( 0x20000, 0x2???? ) //work RAM?
96	97	ADDRESS_MAP_END

src/mess/drivers/zexall.c

r14900	r14901
31	31	: driver_device(mconfig, type, tag),
32	32	m_maincpu(*this, "maincpu"),
33	33	m_terminal(*this, TERMINAL_TAG)
34		{ }
	34	,
	35	m_main_ram(*this, "main_ram"){ }
35	36
36	37	required_device<cpu_device> m_maincpu;
37	38	required_device<generic_terminal_device> m_terminal;
r14900	r14901
41	42	DECLARE_WRITE8_MEMBER( zexall_output_ack_w );
42	43	DECLARE_WRITE8_MEMBER( zexall_output_req_w );
43	44	DECLARE_WRITE8_MEMBER( zexall_output_data_w );
44		UINT8 *m_main_ram;
	45	required_shared_ptr<UINT8> m_main_ram;
45	46	UINT8 m_data[8]; // unused; to suppress the scalar initializer warning
46	47	UINT8 m_out_data; // byte written to 0xFFFF
47	48	UINT8 m_out_req; // byte written to 0xFFFE
r14900	r14901
113	114
114	115	static ADDRESS_MAP_START(z80_mem, AS_PROGRAM, 8, zexall_state)
115	116	ADDRESS_MAP_UNMAP_HIGH
116		AM_RANGE(0x0000, 0xfffc) AM_RAM AM_BASE(m_main_ram)
	117	AM_RANGE(0x0000, 0xfffc) AM_RAM AM_SHARE("main_ram")
117	118	AM_RANGE(0xfffd, 0xfffd) AM_READWRITE(zexall_output_ack_r,zexall_output_ack_w)
118	119	AM_RANGE(0xfffe, 0xfffe) AM_READWRITE(zexall_output_req_r,zexall_output_req_w)
119	120	AM_RANGE(0xffff, 0xffff) AM_READWRITE(zexall_output_data_r,zexall_output_data_w)

src/mess/drivers/cat.c

r14900	r14901
40	40	{
41	41	public:
42	42	cat_state(const machine_config &mconfig, device_type type, const char *tag)
43		: driver_device(mconfig, type, tag) { }
	43	: driver_device(mconfig, type, tag) ,
	44	m_p_sram(*this, "p_sram"),
	45	m_p_videoram(*this, "p_videoram"){ }
44	46
45	47	DECLARE_WRITE16_MEMBER(cat_video_status_w);
46	48	DECLARE_WRITE16_MEMBER(cat_test_mode_w);
r14900	r14901
54	56	DECLARE_WRITE16_MEMBER(cat_keyboard_w);
55	57	DECLARE_WRITE16_MEMBER(cat_video_w);
56	58	DECLARE_READ16_MEMBER(cat_something_r);
57		UINT16 *m_p_videoram;
	59	required_shared_ptr<UINT16> m_p_sram;
	60	required_shared_ptr<UINT16> m_p_videoram;
58	61	UINT8 m_duart_inp;// = 0x0e;
59		UINT16 *m_p_sram;
60	62	UINT8 m_video_enable;
61	63	UINT16 m_pr_cont;
62	64	UINT8 m_keyboard_line;
r14900	r14901
154	156	static ADDRESS_MAP_START(cat_mem, AS_PROGRAM, 16, cat_state)
155	157	ADDRESS_MAP_UNMAP_HIGH
156	158	AM_RANGE(0x00000000, 0x0003ffff) AM_ROM // 256 KB ROM
157		AM_RANGE(0x00040000, 0x00043fff) AM_RAM AM_BASE(m_p_sram) // SRAM powered by battery
	159	AM_RANGE(0x00040000, 0x00043fff) AM_RAM AM_SHARE("p_sram") // SRAM powered by battery
158	160	AM_RANGE(0x00200000, 0x0027ffff) AM_ROM AM_REGION("svrom",0x0000) // SV ROM
159		AM_RANGE(0x00400000, 0x0047ffff) AM_RAM AM_BASE(m_p_videoram) // 512 KB RAM
	161	AM_RANGE(0x00400000, 0x0047ffff) AM_RAM AM_SHARE("p_videoram") // 512 KB RAM
160	162	AM_RANGE(0x00600000, 0x0065ffff) AM_WRITE(cat_video_w) // Video chip
161	163	AM_RANGE(0x00800000, 0x00800001) AM_READWRITE(cat_floppy_r, cat_floppy_w)
162	164	AM_RANGE(0x00800002, 0x00800003) AM_WRITE(cat_keyboard_w)
r14900	r14901
172	174	static ADDRESS_MAP_START(swyft_mem, AS_PROGRAM, 16, cat_state)
173	175	ADDRESS_MAP_UNMAP_HIGH
174	176	AM_RANGE(0x00000000, 0x0000ffff) AM_ROM // 64 KB ROM
175		AM_RANGE(0x00040000, 0x000fffff) AM_RAM AM_BASE(m_p_videoram)
	177	AM_RANGE(0x00040000, 0x000fffff) AM_RAM AM_SHARE("p_videoram")
176	178	ADDRESS_MAP_END
177	179
178	180	/* Input ports */

src/mess/drivers/ip22.c

r14900	r14901
93	93	{
94	94	public:
95	95	ip22_state(const machine_config &mconfig, device_type type, const char *tag)
96		: driver_device(mconfig, type, tag) { }
	96	: driver_device(mconfig, type, tag) ,
	97	m_mainram(*this, "mainram"),
	98	m_unkpbus0(*this, "unkpbus0"){ }
97	99
98		UINT32 *m_mainram;
	100	required_shared_ptr<UINT32> m_mainram;
99	101	RTC_t m_RTC;
100	102	UINT32 m_int3_regs[64];
101	103	UINT32 m_nIOC_ParReadCnt;
r14900	r14901
103	105	HPC3_t m_HPC3;
104	106	HAL2_t m_HAL2;
105	107	PBUS_DMA_t m_PBUS_DMA;
106		UINT32 *m_unkpbus0;
	108	required_shared_ptr<UINT32> m_unkpbus0;
107	109	UINT32 m_nIntCounter;
108	110	UINT8 m_dma_buffer[4096];
109	111	};
r14900	r14901
1193	1195	AM_RANGE( 0x1fb90000, 0x1fb9ffff ) AM_READWRITE_LEGACY(hpc3_hd_enet_r, hpc3_hd_enet_w )
1194	1196	AM_RANGE( 0x1fbb0000, 0x1fbb0003 ) AM_RAM   /* unknown, but read a lot and discarded */
1195	1197	AM_RANGE( 0x1fbc0000, 0x1fbc7fff ) AM_READWRITE_LEGACY(hpc3_hd0_r, hpc3_hd0_w )
1196		AM_RANGE( 0x1fbc8000, 0x1fbcffff ) AM_READWRITE_LEGACY(hpc3_unkpbus0_r, hpc3_unkpbus0_w ) AM_BASE(m_unkpbus0)
	1198	AM_RANGE( 0x1fbc8000, 0x1fbcffff ) AM_READWRITE_LEGACY(hpc3_unkpbus0_r, hpc3_unkpbus0_w ) AM_SHARE("unkpbus0")
1197	1199	AM_RANGE( 0x1fb80000, 0x1fb8ffff ) AM_READWRITE_LEGACY(hpc3_pbusdma_r, hpc3_pbusdma_w )
1198	1200	AM_RANGE( 0x1fbd8000, 0x1fbd83ff ) AM_READWRITE_LEGACY(hal2_r, hal2_w )
1199	1201	AM_RANGE( 0x1fbd8400, 0x1fbd87ff ) AM_RAM /* hack */

src/mess/drivers/myb3k.c

r14900	r14901
25	25	m_maincpu(*this, "maincpu"),
26	26	m_fdc(*this, "fdc"),
27	27	m_crtc(*this, "crtc")
28		{ }
	28	,
	29	m_p_vram(*this, "p_vram"){ }
29	30
30	31	required_device<cpu_device> m_maincpu;
31	32	required_device<device_t> m_fdc;
r14900	r14901
34	35	DECLARE_WRITE8_MEMBER(myb3k_6845_data_w);
35	36	DECLARE_WRITE8_MEMBER(myb3k_video_mode_w);
36	37	DECLARE_WRITE8_MEMBER(myb3k_fdc_output_w);
37		UINT8 *m_p_vram;
	38	required_shared_ptr<UINT8> m_p_vram;
38	39	UINT8 m_crtc_vreg[0x100],m_crtc_index;
39	40	UINT8 m_vmode;
40	41	};
r14900	r14901
129	130	ADDRESS_MAP_UNMAP_HIGH
130	131	AM_RANGE(0x00000,0x7ffff) AM_RAM
131	132	AM_RANGE(0x80000,0x8ffff) AM_NOP
132		AM_RANGE(0xd0000,0xdffff) AM_RAM AM_BASE(m_p_vram)
	133	AM_RANGE(0xd0000,0xdffff) AM_RAM AM_SHARE("p_vram")
133	134	//  AM_RANGE(0xe0000,0xexxxx) option ROM board
134	135	AM_RANGE(0xfc000,0xfffff) AM_ROM AM_REGION("ipl", 0)
135	136	ADDRESS_MAP_END

src/mess/drivers/phunsy.c

r14900	r14901
25	25	: driver_device(mconfig, type, tag),
26	26	m_maincpu(*this, "maincpu"),
27	27	m_speaker(*this, SPEAKER_TAG)
28		{ }
	28	,
	29	m_p_videoram(*this, "p_videoram"){ }
29	30
30	31	required_device<cpu_device> m_maincpu;
31	32	required_device<device_t> m_speaker;
r14900	r14901
35	36	DECLARE_WRITE8_MEMBER( phunsy_ctrl_w );
36	37	DECLARE_WRITE8_MEMBER( phunsy_data_w );
37	38	DECLARE_WRITE8_MEMBER( kbd_put );
38		const UINT8   *m_p_videoram;
	39	required_shared_ptr<const UINT8> m_p_videoram;
39	40	const UINT8   *m_p_chargen;
40	41	UINT8      m_data_out;
41	42	UINT8      m_keyboard_input;

src/mess/drivers/a2600.c

r14900	r14901
41	41	{
42	42	public:
43	43	a2600_state(const machine_config &mconfig, device_type type, const char *tag)
44		: driver_device(mconfig, type, tag) { }
	44	: driver_device(mconfig, type, tag) ,
	45	m_riot_ram(*this, "riot_ram"){ }
45	46
46	47	dpc_t m_dpc;
47	48	memory_region* m_extra_RAM;
48	49	UINT8* m_bank_base[5];
49	50	UINT8* m_ram_base;
50		UINT8* m_riot_ram;
	51	required_shared_ptr<UINT8> m_riot_ram;
51	52	UINT8 m_banking_mode;
52	53	UINT8 m_keypad_left_column;
53	54	UINT8 m_keypad_right_column;
r14900	r14901
1139	1140	static ADDRESS_MAP_START(a2600_mem, AS_PROGRAM, 8, a2600_state )
1140	1141	ADDRESS_MAP_GLOBAL_MASK(0x1fff)
1141	1142	AM_RANGE(0x0000, 0x007F) AM_MIRROR(0x0F00) AM_READWRITE_LEGACY(tia_r, tia_w)
1142		AM_RANGE(0x0080, 0x00FF) AM_MIRROR(0x0D00) AM_RAM AM_BASE(m_riot_ram)
	1143	AM_RANGE(0x0080, 0x00FF) AM_MIRROR(0x0D00) AM_RAM AM_SHARE("riot_ram")
1143	1144	AM_RANGE(0x0280, 0x029F) AM_MIRROR(0x0D00) AM_DEVREADWRITE_LEGACY("riot", riot6532_r, riot6532_w)
1144	1145	AM_RANGE(0x1000, 0x1FFF)                   AM_ROMBANK("bank1")
1145	1146	ADDRESS_MAP_END

src/mess/drivers/dual68.c

r14900	r14901
19	19	: driver_device(mconfig, type, tag),
20	20	m_maincpu(*this, "maincpu"),
21	21	m_terminal(*this, TERMINAL_TAG)
22		{ }
	22	,
	23	m_p_ram(*this, "p_ram"){ }
23	24
24	25	required_device<cpu_device> m_maincpu;
25	26	required_device<generic_terminal_device> m_terminal;
26	27	DECLARE_WRITE8_MEMBER( kbd_put );
27	28	DECLARE_WRITE16_MEMBER( dual68_terminal_w );
28	29	//UINT8 m_term_data;
29		UINT16* m_p_ram;
	30	required_shared_ptr<UINT16> m_p_ram;
30	31	};
31	32
32	33
r14900	r14901
38	39
39	40	static ADDRESS_MAP_START(dual68_mem, AS_PROGRAM, 16, dual68_state)
40	41	ADDRESS_MAP_UNMAP_HIGH
41		AM_RANGE(0x00000000, 0x0000ffff) AM_RAM AM_BASE(m_p_ram)
	42	AM_RANGE(0x00000000, 0x0000ffff) AM_RAM AM_SHARE("p_ram")
42	43	AM_RANGE(0x00080000, 0x00081fff) AM_ROM AM_REGION("user1",0)
43	44	AM_RANGE(0x007f0000, 0x007f0001) AM_WRITE(dual68_terminal_w)
44	45	AM_RANGE(0x00800000, 0x00801fff) AM_ROM AM_REGION("user1",0)
r14900	r14901
64	65	dual68_state *state = machine.driver_data<dual68_state>();
65	66	UINT8* user1 = machine.region("user1")->base();
66	67
67		memcpy((UINT8*)state->m_p_ram,user1,0x2000);
	68	memcpy((UINT8*)state->m_p_ram.target(),user1,0x2000);
68	69
69	70	machine.device("maincpu")->reset();
70	71	}

src/mess/drivers/ssem.c

r14900	r14901
15	15	{
16	16	public:
17	17	ssem_state(const machine_config &mconfig, device_type type, const char *tag)
18		: driver_device(mconfig, type, tag) { }
	18	: driver_device(mconfig, type, tag) ,
	19	m_store(*this, "store"){ }
19	20
20		UINT8 *m_store;
	21	required_shared_ptr<UINT8> m_store;
21	22	UINT8 m_store_line;
22	23	};
23	24
r14900	r14901
53	54	\****************************************************/
54	55
55	56	static ADDRESS_MAP_START( ssem_map, AS_PROGRAM, 8, ssem_state )
56		AM_RANGE(0x00, 0x7f) AM_RAM AM_BASE(m_store)// Primary store
	57	AM_RANGE(0x00, 0x7f) AM_RAM AM_SHARE("store")// Primary store
57	58	ADDRESS_MAP_END
58	59
59	60	/****************************************************\

src/mess/drivers/qx10.c

r14900	r14901
64	64	m_fdc(*this, "upd765"),
65	65	m_hgdc(*this, "upd7220"),
66	66	m_rtc(*this, "rtc"),
67		m_vram_bank(0)
68		{ }
	67	m_vram_bank(0),
	68	m_video_ram(*this, "video_ram"){ }
69	69
70	70	required_device<device_t> m_pit_1;
71	71	required_device<device_t> m_pit_2;
r14900	r14901
78	78	required_device<device_t> m_fdc;
79	79	required_device<upd7220_device> m_hgdc;
80	80	required_device<mc146818_device> m_rtc;
	81	UINT8 m_vram_bank;
	82	required_shared_ptr<UINT8> m_video_ram;
81	83
82	84	virtual void machine_start();
83	85	virtual void machine_reset();
r14900	r14901
108	110	DECLARE_READ8_MEMBER( vram_r );
109	111	DECLARE_WRITE8_MEMBER( vram_w );
110	112
111		UINT8 *m_video_ram;
112	113	UINT8 *m_char_rom;
113	114
114	115	int      m_mc146818_offset;
r14900	r14901
137	138	UINT8 rx;
138	139	}m_rs232c;
139	140
140		UINT8 m_vram_bank;
141	141	};
142	142
143	143	static UPD7220_DISPLAY_PIXELS( hgdc_display_pixels )
r14900	r14901
955	955	void qx10_state::video_start()
956	956	{
957	957	// allocate memory
958		m_video_ram = auto_alloc_array_clear(machine(), UINT8, 0x60000);
	958	//m_video_ram = auto_alloc_array_clear(machine(), UINT8, 0x60000);
959	959
960	960	// find memory regions
961	961	m_char_rom = machine().region("chargen")->base();
r14900	r14901
1000	1000
1001	1001	static ADDRESS_MAP_START( upd7220_map, AS_0, 8, qx10_state )
1002	1002	ADDRESS_MAP_GLOBAL_MASK(0x1ffff)
1003		AM_RANGE(0x00000, 0x1ffff) AM_RAM AM_BASE(m_video_ram)
	1003	AM_RANGE(0x00000, 0x1ffff) AM_RAM AM_SHARE("video_ram")
1004	1004	ADDRESS_MAP_END
1005	1005
1006	1006

src/mess/drivers/bigbord2.c

r14900	r14901
60	60	m_fdc(*this, WD1771_TAG),
61	61	// m_ram(*this, RAM_TAG),
62	62	m_floppy0(*this, FLOPPY_0),
63		m_floppy1(*this, FLOPPY_1)
64		{ }
	63	m_floppy1(*this, FLOPPY_1),
	64	m_videoram(*this, "videoram"){ }
65	65
66	66	virtual void machine_start();
67	67	virtual void machine_reset();
r14900	r14901
98	98	UINT8 m_term_status;
99	99
100	100	/* video state */
101		UINT8 *m_videoram;               /* video RAM */
	101	required_shared_ptr<UINT8> m_videoram; /* video RAM */
102	102	UINT8 *m_char_rom;               /* character ROM */
103	103	UINT8 m_scroll;                  /* vertical scroll */
104	104	int m_ncset2;                  /* national character set */
r14900	r14901
252	252
253	253	static ADDRESS_MAP_START( bigbord2_mem, AS_PROGRAM, 8, bigbord2_state )
254	254	ADDRESS_MAP_UNMAP_HIGH
255		AM_RANGE(0x6000, 0x67ff) AM_RAM AM_BASE(m_videoram)
	255	AM_RANGE(0x6000, 0x67ff) AM_RAM AM_SHARE("videoram")
256	256	AM_RANGE(0x0000, 0x0fff) AM_ROM
257	257	AM_RANGE(0x1000, 0x5fff) AM_RAM
258	258	AM_RANGE(0x6800, 0xffff) AM_RAM

src/mess/drivers/tk80bs.c

r14900	r14901
59	59	: driver_device(mconfig, type, tag),
60	60	m_maincpu(*this, "maincpu"),
61	61	m_ppi8255_2(*this, "ppi8255_2")
62		{ }
	62	,
	63	m_p_videoram(*this, "p_videoram"){ }
63	64
64	65	required_device<cpu_device> m_maincpu;
65	66	optional_device<i8255_device> m_ppi8255_2;
r14900	r14901
75	76	DECLARE_READ8_MEMBER(port_a_r);
76	77	DECLARE_READ8_MEMBER(port_b_r);
77	78	UINT8 m_term_data;
78		UINT8 *m_p_videoram;
	79	required_shared_ptr<UINT8> m_p_videoram;
79	80	UINT8 m_keyb_press;
80	81	UINT8 m_keyb_press_flag;
81	82	UINT8 m_shift_press_flag;
r14900	r14901
310	311	//  AM_RANGE(0x0c00, 0x7bff) AM_ROM // ext
311	312	AM_RANGE(0x7df8, 0x7df9) AM_NOP // i8251 sio
312	313	AM_RANGE(0x7dfc, 0x7dff) AM_READWRITE(ppi_custom_r,ppi_custom_w)
313		AM_RANGE(0x7e00, 0x7fff) AM_RAM AM_BASE(m_p_videoram) // video ram
	314	AM_RANGE(0x7e00, 0x7fff) AM_RAM AM_SHARE("p_videoram") // video ram
314	315	AM_RANGE(0x8000, 0xcfff) AM_RAM // RAM
315	316	AM_RANGE(0xd000, 0xefff) AM_ROM // BASIC
316	317	AM_RANGE(0xf000, 0xffff) AM_ROM // BSMON

src/mess/drivers/qtsbc.c

r14900	r14901
21	21	: driver_device(mconfig, type, tag),
22	22	m_maincpu(*this, "maincpu"),
23	23	m_terminal(*this, TERMINAL_TAG)
24		{ }
	24	,
	25	m_p_ram(*this, "p_ram"){ }
25	26
26	27	required_device<cpu_device> m_maincpu;
27	28	required_device<generic_terminal_device> m_terminal;
28	29	DECLARE_READ8_MEMBER( qtsbc_06_r );
29	30	DECLARE_READ8_MEMBER( qtsbc_43_r );
30	31	DECLARE_WRITE8_MEMBER( kbd_put );
31		UINT8 *m_p_ram;
	32	required_shared_ptr<UINT8> m_p_ram;
32	33	UINT8 m_term_data;
33	34	virtual void machine_reset();
34	35	};
r14900	r14901
48	49
49	50	static ADDRESS_MAP_START(qtsbc_mem, AS_PROGRAM, 8, qtsbc_state)
50	51	ADDRESS_MAP_UNMAP_HIGH
51		AM_RANGE( 0x0000, 0xffff ) AM_RAM AM_BASE(m_p_ram) AM_REGION("maincpu", 0)
	52	AM_RANGE( 0x0000, 0xffff ) AM_RAM AM_SHARE("p_ram") AM_REGION("maincpu", 0)
52	53	ADDRESS_MAP_END
53	54
54	55	static ADDRESS_MAP_START( qtsbc_io, AS_IO, 8, qtsbc_state)

src/mess/drivers/vboy.c

r14900	r14901
54	54	{
55	55	public:
56	56	vboy_state(const machine_config &mconfig, device_type type, const char *tag)
57		: driver_device(mconfig, type, tag) { }
	57	: driver_device(mconfig, type, tag),
	58	m_l_frame_0(*this,"l_frame_0"),
	59	m_l_frame_1(*this,"l_frame_1"),
	60	m_r_frame_0(*this,"r_frame_0"),
	61	m_r_frame_1(*this,"r_frame_1") { }
58	62
59	63	DECLARE_READ32_MEMBER(port_02_read);
60	64	DECLARE_WRITE32_MEMBER(port_02_write);
r14900	r14901
72	76	DECLARE_READ16_MEMBER(vboy_bgmap_r);
73	77	UINT16 *m_font;
74	78	UINT16 *m_bgmap;
75		UINT16 *m_l_frame_0;
76		UINT16 *m_l_frame_1;
77		UINT16 *m_r_frame_0;
78		UINT16 *m_r_frame_1;
	79	required_shared_ptr<UINT16> m_l_frame_0;
	80	required_shared_ptr<UINT16> m_l_frame_1;
	81	required_shared_ptr<UINT16> m_r_frame_0;
	82	required_shared_ptr<UINT16> m_r_frame_1;
79	83	UINT16 *m_world;
80	84	UINT16 *m_columntab1;
81	85	UINT16 *m_columntab2;
r14900	r14901
371	375
372	376	static ADDRESS_MAP_START( vboy_mem, AS_PROGRAM, 32, vboy_state )
373	377	ADDRESS_MAP_GLOBAL_MASK(0x07ffffff)
374		AM_RANGE( 0x00000000, 0x00005fff ) AM_RAM AM_BASE(m_l_frame_0) // L frame buffer 0
	378	AM_RANGE( 0x00000000, 0x00005fff ) AM_RAM AM_SHARE("l_frame_0") // L frame buffer 0
375	379	AM_RANGE( 0x00006000, 0x00007fff ) AM_READWRITE16(vboy_font0_r, vboy_font0_w, 0xffffffff) // Font 0-511
376		AM_RANGE( 0x00008000, 0x0000dfff ) AM_RAM AM_BASE(m_l_frame_1) // L frame buffer 1
	380	AM_RANGE( 0x00008000, 0x0000dfff ) AM_RAM AM_SHARE("l_frame_1") // L frame buffer 1
377	381	AM_RANGE( 0x0000e000, 0x0000ffff ) AM_READWRITE16(vboy_font1_r, vboy_font1_w, 0xffffffff) // Font 512-1023
378		AM_RANGE( 0x00010000, 0x00015fff ) AM_RAM AM_BASE(m_r_frame_0) // R frame buffer 0
	382	AM_RANGE( 0x00010000, 0x00015fff ) AM_RAM AM_SHARE("r_frame_0") // R frame buffer 0
379	383	AM_RANGE( 0x00016000, 0x00017fff ) AM_READWRITE16(vboy_font2_r, vboy_font2_w, 0xffffffff) // Font 1024-1535
380		AM_RANGE( 0x00018000, 0x0001dfff ) AM_RAM AM_BASE(m_r_frame_1) // R frame buffer 1
	384	AM_RANGE( 0x00018000, 0x0001dfff ) AM_RAM AM_SHARE("r_frame_1") // R frame buffer 1
381	385	AM_RANGE( 0x0001e000, 0x0001ffff ) AM_READWRITE16(vboy_font3_r, vboy_font3_w, 0xffffffff) // Font 1536-2047
382	386
383	387	AM_RANGE( 0x00020000, 0x0003ffff ) AM_READWRITE16(vboy_bgmap_r,vboy_bgmap_w, 0xffffffff) // VIPC memory
r14900	r14901
400	404
401	405	static ADDRESS_MAP_START( vboy_io, AS_IO, 32, vboy_state )
402	406	ADDRESS_MAP_GLOBAL_MASK(0x07ffffff)
403		AM_RANGE( 0x00000000, 0x00005fff ) AM_RAM AM_BASE(m_l_frame_0) // L frame buffer 0
	407	AM_RANGE( 0x00000000, 0x00005fff ) AM_RAM AM_SHARE("l_frame_0") // L frame buffer 0
404	408	AM_RANGE( 0x00006000, 0x00007fff ) AM_READWRITE16(vboy_font0_r, vboy_font0_w, 0xffffffff) // Font 0-511
405		AM_RANGE( 0x00008000, 0x0000dfff ) AM_RAM AM_BASE(m_l_frame_1) // L frame buffer 1
	409	AM_RANGE( 0x00008000, 0x0000dfff ) AM_RAM AM_SHARE("l_frame_1") // L frame buffer 1
406	410	AM_RANGE( 0x0000e000, 0x0000ffff ) AM_READWRITE16(vboy_font1_r, vboy_font1_w, 0xffffffff) // Font 512-1023
407		AM_RANGE( 0x00010000, 0x00015fff ) AM_RAM AM_BASE(m_r_frame_0) // R frame buffer 0
	411	AM_RANGE( 0x00010000, 0x00015fff ) AM_RAM AM_SHARE("r_frame_0") // R frame buffer 0
408	412	AM_RANGE( 0x00016000, 0x00017fff ) AM_READWRITE16(vboy_font2_r, vboy_font2_w, 0xffffffff) // Font 1024-1535
409		AM_RANGE( 0x00018000, 0x0001dfff ) AM_RAM AM_BASE(m_r_frame_1) // R frame buffer 1
	413	AM_RANGE( 0x00018000, 0x0001dfff ) AM_RAM AM_SHARE("r_frame_1") // R frame buffer 1
410	414	AM_RANGE( 0x0001e000, 0x0001ffff ) AM_READWRITE16(vboy_font3_r, vboy_font3_w, 0xffffffff) // Font 1536-2047
411	415
412	416	AM_RANGE( 0x00020000, 0x0003ffff ) AM_READWRITE16(vboy_bgmap_r,vboy_bgmap_w, 0xffffffff) // VIPC memory

src/mess/drivers/ti99_2.c

r14900	r14901
86	86	{
87	87	public:
88	88	ti99_2_state(const machine_config &mconfig, device_type type, const char *tag)
89		: driver_device(mconfig, type, tag) { }
	89	: driver_device(mconfig, type, tag) ,
	90	m_videoram(*this, "videoram"){ }
90	91
91		UINT8 *m_videoram;
	92	required_shared_ptr<UINT8> m_videoram;
92	93	int m_ROM_paged;
93	94	int m_irq_state;
94	95	int m_KeyRow;
r14900	r14901
206	207	AM_RANGE(0x4000, 0x5fff) AM_ROMBANK("bank1")   /* system ROM, banked on 32kb ROMs protos */
207	208	AM_RANGE(0x6000, 0xdfff) AM_NOP          /* free for expansion */
208	209	AM_RANGE(0xe000, 0xebff) AM_RAM          /* system RAM */
209		AM_RANGE(0xec00, 0xeeff) AM_RAM AM_BASE(m_videoram)
	210	AM_RANGE(0xec00, 0xeeff) AM_RAM AM_SHARE("videoram")
210	211	AM_RANGE(0xef00, 0xefff) AM_RAM          /* system RAM */
211	212	AM_RANGE(0xf000, 0xffff) AM_NOP          /* free for expansion (and internal processor RAM) */
212	213	ADDRESS_MAP_END

src/mess/drivers/ccs2422.c

r14900	r14901
21	21	: driver_device(mconfig, type, tag),
22	22	m_maincpu(*this, "maincpu"),
23	23	m_terminal(*this, TERMINAL_TAG)
24		{ }
	24	,
	25	m_ccs_ram(*this, "ccs_ram"){ }
25	26
26	27	required_device<cpu_device> m_maincpu;
27	28	required_device<generic_terminal_device> m_terminal;
r14900	r14901
29	30	DECLARE_READ8_MEMBER( ccs2422_11_r );
30	31	DECLARE_WRITE8_MEMBER( ccs2422_10_w );
31	32	DECLARE_WRITE8_MEMBER( kbd_put );
32		UINT8 *m_ccs_ram;
	33	required_shared_ptr<UINT8> m_ccs_ram;
33	34	UINT8 m_term_data;
34	35	virtual void machine_reset();
35	36	};
r14900	r14901
54	55
55	56	static ADDRESS_MAP_START(ccs2422_mem, AS_PROGRAM, 8, ccs2422_state)
56	57	ADDRESS_MAP_UNMAP_HIGH
57		AM_RANGE(0x0000, 0xffff) AM_RAM AM_BASE(m_ccs_ram)
	58	AM_RANGE(0x0000, 0xffff) AM_RAM AM_SHARE("ccs_ram")
58	59	ADDRESS_MAP_END
59	60
60	61	static ADDRESS_MAP_START( ccs2422_io, AS_IO, 8, ccs2422_state)

src/mess/drivers/mes.c

r14900	r14901
19	19	mes_state(const machine_config &mconfig, device_type type, const char *tag)
20	20	: driver_device(mconfig, type, tag),
21	21	m_maincpu(*this, "maincpu")
22		{ }
	22	,
	23	m_p_videoram(*this, "p_videoram"){ }
23	24
24	25	required_device<cpu_device> m_maincpu;
25	26	const UINT8 *m_p_chargen;
26		const UINT8 *m_p_videoram;
	27	required_shared_ptr<const UINT8> m_p_videoram;
27	28	virtual void machine_reset();
28	29	virtual void video_start();
29	30	UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
r14900	r14901
35	36	ADDRESS_MAP_UNMAP_HIGH
36	37	AM_RANGE(0x0000, 0x0fff) AM_ROM
37	38	AM_RANGE(0x1000, 0xefff) AM_RAM
38		AM_RANGE(0xf000, 0xffff) AM_RAM AM_BASE(m_p_videoram)
	39	AM_RANGE(0xf000, 0xffff) AM_RAM AM_SHARE("p_videoram")
39	40	ADDRESS_MAP_END
40	41
41	42	static ADDRESS_MAP_START( mes_io, AS_IO, 8, mes_state)

src/mess/drivers/vtech1.c

r14900	r14901
161	161	m_speaker(*this, SPEAKER_TAG),
162	162	m_cassette(*this, CASSETTE_TAG),
163	163	m_printer(*this, "printer")
164		{ }
	164	,
	165	m_videoram(*this, "videoram"){ }
165	166
166	167	/* devices */
167	168	required_device<mc6847_base_device> m_mc6847;
r14900	r14901
171	172
172	173	UINT8 *m_ram;
173	174	UINT32 m_ram_size;
174		UINT8 *m_videoram;
175		size_t m_videoram_size;
	175	required_shared_ptr<UINT8> m_videoram;
176	176
177	177	/* floppy */
178	178	int m_drive;
r14900	r14901
566	566	logerror("vtech1_latch_w $%02X\n", data);
567	567
568	568	/* bit 1, SHRG mod (if installed) */
569		if (m_videoram_size == 0x2000)
	569	if (m_videoram.bytes() == 0x2000)
570	570	{
571	571	m_mc6847->gm0_w(BIT(data, 1));
572	572	m_mc6847->gm2_w(BIT(data, 1));
r14900	r14901
686	686	DRIVER_INIT_CALL(vtech1);
687	687
688	688	/* the SHRG mod replaces the standard videoram chip with an 8k chip */
689		vtech1->m_videoram_size = 0x2000;
690		vtech1->m_videoram = auto_alloc_array(machine, UINT8, vtech1->m_videoram_size);
	689	//vtech1->m_videoram_size = 0x2000;
	690	//vtech1->m_videoram = auto_alloc_array(machine, UINT8, vtech1->m_videoram_size);
691	691
692	692	prg->install_readwrite_bank(0x7000, 0x77ff, "bank4");
693	693	memory_configure_bank(machine, "bank4", 0, 4, vtech1->m_videoram, 0x800);
r14900	r14901
703	703	AM_RANGE(0x4000, 0x5fff) AM_ROM   /* dos rom or other catridges */
704	704	AM_RANGE(0x6000, 0x67ff) AM_ROM   /* reserved for cartridges */
705	705	AM_RANGE(0x6800, 0x6fff) AM_READWRITE(vtech1_keyboard_r, vtech1_latch_w)
706		AM_RANGE(0x7000, 0x77ff) AM_RAM AM_BASE(m_videoram) /* (6847) */
	706	AM_RANGE(0x7000, 0x77ff) AM_RAM AM_SHARE("videoram") /* (6847) */
707	707	AM_RANGE(0x7800, 0x7fff) AM_RAMBANK("bank1") /* 2k user ram */
708	708	AM_RANGE(0x8000, 0xbfff) AM_NOP /* 16k ram expansion */
709	709	AM_RANGE(0xc000, 0xffff) AM_NOP
r14900	r14901
714	714	AM_RANGE(0x4000, 0x5fff) AM_ROM   /* dos rom or other catridges */
715	715	AM_RANGE(0x6000, 0x67ff) AM_ROM   /* reserved for cartridges */
716	716	AM_RANGE(0x6800, 0x6fff) AM_READWRITE(vtech1_keyboard_r, vtech1_latch_w)
717		AM_RANGE(0x7000, 0x77ff) AM_RAM AM_BASE(m_videoram) /* U7 (6847) */
	717	AM_RANGE(0x7000, 0x77ff) AM_RAM AM_SHARE("videoram") /* U7 (6847) */
718	718	AM_RANGE(0x7800, 0x8fff) AM_RAMBANK("bank1") /* 6k user ram */
719	719	AM_RANGE(0x9000, 0xcfff) AM_NOP /* 16k ram expansion */
720	720	AM_RANGE(0xd000, 0xffff) AM_NOP
r14900	r14901
725	725	AM_RANGE(0x4000, 0x5fff) AM_ROM   /* dos rom or other catridges */
726	726	AM_RANGE(0x6000, 0x67ff) AM_ROM   /* reserved for cartridges */
727	727	AM_RANGE(0x6800, 0x6fff) AM_READWRITE(vtech1_keyboard_r, vtech1_latch_w)
728		AM_RANGE(0x7000, 0x77ff) AM_RAM AM_BASE(m_videoram) /* (6847) */
	728	AM_RANGE(0x7000, 0x77ff) AM_RAM AM_SHARE("videoram") /* (6847) */
729	729	AM_RANGE(0x7800, 0xb7ff) AM_RAMBANK("bank1") /* 16k user ram */
730	730	AM_RANGE(0xb800, 0xf7ff) AM_NOP /* 16k ram expansion */
731	731	AM_RANGE(0xf8ff, 0xffff) AM_NOP

src/mess/drivers/mccpm.c

r14900	r14901
64	64	: driver_device(mconfig, type, tag),
65	65	m_maincpu(*this, "maincpu"),
66	66	m_terminal(*this, TERMINAL_TAG)
67		{ }
	67	,
	68	m_p_ram(*this, "p_ram"){ }
68	69
69	70	required_device<cpu_device> m_maincpu;
70	71	required_device<generic_terminal_device> m_terminal;
71	72	DECLARE_READ8_MEMBER(mccpm_f0_r);
72	73	DECLARE_READ8_MEMBER(mccpm_f1_r);
73	74	DECLARE_WRITE8_MEMBER(kbd_put);
74		UINT8 *m_p_ram;
	75	required_shared_ptr<UINT8> m_p_ram;
75	76	UINT8 m_term_data;
76	77	virtual void machine_reset();
77	78	};
r14900	r14901
94	95
95	96	static ADDRESS_MAP_START(mccpm_mem, AS_PROGRAM, 8, mccpm_state)
96	97	ADDRESS_MAP_UNMAP_HIGH
97		AM_RANGE(0x0000, 0xffff) AM_RAM AM_BASE(m_p_ram)
	98	AM_RANGE(0x0000, 0xffff) AM_RAM AM_SHARE("p_ram")
98	99	ADDRESS_MAP_END
99	100
100	101	static ADDRESS_MAP_START( mccpm_io, AS_IO, 8, mccpm_state)

src/mess/drivers/z1013.c

r14900	r14901
33	33	: driver_device(mconfig, type, tag),
34	34	m_maincpu(*this, "maincpu"),
35	35	m_cass(*this, CASSETTE_TAG)
36		{ }
	36	,
	37	m_p_videoram(*this, "p_videoram"){ }
37	38
38	39	required_device<cpu_device> m_maincpu;
39	40	required_device<cassette_image_device> m_cass;
r14900	r14901
41	42	DECLARE_READ8_MEMBER(z1013_port_b_r);
42	43	DECLARE_WRITE8_MEMBER(z1013_port_b_w);
43	44	DECLARE_READ8_MEMBER(z1013k7659_port_b_r);
44		UINT8 *m_p_videoram;
	45	required_shared_ptr<UINT8> m_p_videoram;
45	46	const UINT8 *m_p_chargen;
46	47	UINT8 m_keyboard_line;
47	48	bool m_keyboard_part;
r14900	r14901
51	52	/* Address maps */
52	53	static ADDRESS_MAP_START(z1013_mem, AS_PROGRAM, 8, z1013_state)
53	54	AM_RANGE( 0x0000, 0xebff ) AM_RAM
54		AM_RANGE( 0xec00, 0xefff ) AM_RAM AM_BASE(m_p_videoram)
	55	AM_RANGE( 0xec00, 0xefff ) AM_RAM AM_SHARE("p_videoram")
55	56	AM_RANGE( 0xf000, 0xffff ) AM_ROM //  ROM
56	57	ADDRESS_MAP_END
57	58

src/mess/drivers/digel804.c

r14900	r14901
72	72	m_terminal(*this, TERMINAL_TAG),
73	73	m_speaker(*this, "speaker"),
74	74	m_acia(*this, "acia")
75		{ }
	75	,
	76	m_main_ram(*this, "main_ram"){ }
76	77
77	78	required_device<cpu_device> m_maincpu;
78	79	required_device<device_t> m_terminal;
r14900	r14901
106	107	UINT8 m_speaker_state;
107	108	// ram stuff for banking
108	109	UINT8 m_ram_bank;
109		UINT8 *m_main_ram;
	110	required_shared_ptr<UINT8> m_main_ram;
110	111	// states
111	112	UINT8 m_kbd;
112	113	UINT8 m_kbd_row;
r14900	r14901
436	437	static ADDRESS_MAP_START(z80_mem_804_1_4, AS_PROGRAM, 8, digel804_state)
437	438	ADDRESS_MAP_UNMAP_HIGH
438	439	AM_RANGE(0x0000, 0x3fff) AM_ROM // 3f in mapper = rom J3
439		//AM_RANGE(0x4000, 0x5fff) AM_RAM AM_BASE(m_main_ram) // 6f in mapper = RAM L3 (6164)
440		//AM_RANGE(0x6000, 0x7fff) AM_RAM AM_BASE(m_main_ram) // 77 in mapper = RAM M3 (6164)
441		//AM_RANGE(0x8000, 0x9fff) AM_RAM AM_BASE(m_main_ram) // 7b in mapper = RAM N3 (6164)
442		//AM_RANGE(0xa000, 0xbfff) AM_RAM AM_BASE(m_main_ram) // 7d in mapper = RAM O3 (6164)
	440	//AM_RANGE(0x4000, 0x5fff) AM_RAM AM_SHARE("main_ram") // 6f in mapper = RAM L3 (6164)
	441	//AM_RANGE(0x6000, 0x7fff) AM_RAM AM_SHARE("main_ram") // 77 in mapper = RAM M3 (6164)
	442	//AM_RANGE(0x8000, 0x9fff) AM_RAM AM_SHARE("main_ram") // 7b in mapper = RAM N3 (6164)
	443	//AM_RANGE(0xa000, 0xbfff) AM_RAM AM_SHARE("main_ram") // 7d in mapper = RAM O3 (6164)
443	444	AM_RANGE(0x4000,0xbfff) AM_RAMBANK("bankedram")
444	445	// c000-cfff is open bus in mapper, 7f
445	446	AM_RANGE(0xd000, 0xd7ff) AM_RAM // 7e in mapper = RAM P3 (6116)
r14900	r14901
451	452	ADDRESS_MAP_UNMAP_HIGH
452	453	AM_RANGE(0x0000, 0x1fff) AM_ROM // 3f in mapper = rom J3
453	454	AM_RANGE(0x2000, 0x3fff) AM_ROM // 5f in mapper = rom K3
454		//AM_RANGE(0x4000, 0x5fff) AM_RAM AM_BASE(m_main_ram) // 6f in mapper = RAM L3 (6164)
455		//AM_RANGE(0x6000, 0x7fff) AM_RAM AM_BASE(m_main_ram) // 77 in mapper = RAM M3 (6164)
456		//AM_RANGE(0x8000, 0x9fff) AM_RAM AM_BASE(m_main_ram) // 7b in mapper = RAM N3 (6164)
457		//AM_RANGE(0xa000, 0xbfff) AM_RAM AM_BASE(m_main_ram) // 7d in mapper = RAM O3 (6164)
	455	//AM_RANGE(0x4000, 0x5fff) AM_RAM AM_SHARE("main_ram") // 6f in mapper = RAM L3 (6164)
	456	//AM_RANGE(0x6000, 0x7fff) AM_RAM AM_SHARE("main_ram") // 77 in mapper = RAM M3 (6164)
	457	//AM_RANGE(0x8000, 0x9fff) AM_RAM AM_SHARE("main_ram") // 7b in mapper = RAM N3 (6164)
	458	//AM_RANGE(0xa000, 0xbfff) AM_RAM AM_SHARE("main_ram") // 7d in mapper = RAM O3 (6164)
458	459	AM_RANGE(0x4000,0xbfff) AM_RAMBANK("bankedram")
459	460	// c000-cfff is open bus in mapper, 7f
460	461	//AM_RANGE(0xc000, 0xc7ff) AM_RAM // hack for now to test, since sometimes it writes to c3ff

src/mess/drivers/tricep.c

r14900	r14901
18	18	: driver_device(mconfig, type, tag),
19	19	m_maincpu(*this, "maincpu"),
20	20	m_terminal(*this, TERMINAL_TAG)
21		{ }
	21	,
	22	m_p_ram(*this, "p_ram"){ }
22	23
23	24	required_device<cpu_device> m_maincpu;
24	25	required_device<generic_terminal_device> m_terminal;
25	26	DECLARE_READ16_MEMBER(tricep_terminal_r);
26	27	DECLARE_WRITE16_MEMBER(tricep_terminal_w);
27	28	DECLARE_WRITE8_MEMBER(kbd_put);
28		UINT16* m_p_ram;
	29	required_shared_ptr<UINT16> m_p_ram;
29	30	};
30	31
31	32
r14900	r14901
42	43
43	44	static ADDRESS_MAP_START(tricep_mem, AS_PROGRAM, 16, tricep_state)
44	45	ADDRESS_MAP_UNMAP_HIGH
45		AM_RANGE(0x00000000, 0x0007ffff) AM_RAM AM_BASE(m_p_ram)
	46	AM_RANGE(0x00000000, 0x0007ffff) AM_RAM AM_SHARE("p_ram")
46	47	AM_RANGE(0x00fd0000, 0x00fd1fff) AM_ROM AM_REGION("user1",0)
47	48	AM_RANGE(0x00ff0028, 0x00ff0029) AM_READWRITE(tricep_terminal_r,tricep_terminal_w)
48	49	ADDRESS_MAP_END
r14900	r14901
57	58	tricep_state *state = machine.driver_data<tricep_state>();
58	59	UINT8* user1 = machine.region("user1")->base();
59	60
60		memcpy((UINT8*)state->m_p_ram,user1,0x2000);
	61	memcpy((UINT8*)state->m_p_ram.target(),user1,0x2000);
61	62
62	63	machine.device("maincpu")->reset();
63	64	}

src/mess/drivers/pockstat.c

r14900	r14901
91	91	{
92	92	public:
93	93	pockstat_state(const machine_config &mconfig, device_type type, const char *tag)
94		: driver_device(mconfig, type, tag) { }
	94	: driver_device(mconfig, type, tag) ,
	95	m_lcd_buffer(*this, "lcd_buffer"){ }
95	96
96		UINT32 *m_lcd_buffer;
	97	required_shared_ptr<UINT32> m_lcd_buffer;
97	98	ps_ftlb_regs_t m_ftlb_regs;
98	99	ps_intc_regs_t m_intc_regs;
99	100	ps_timer_regs_t m_timer_regs;
r14900	r14901
849	850	AM_RANGE(0x0b000000, 0x0b000007) AM_READWRITE(ps_clock_r, ps_clock_w)
850	851	AM_RANGE(0x0b800000, 0x0b80000f) AM_READWRITE(ps_rtc_r, ps_rtc_w)
851	852	AM_RANGE(0x0d000000, 0x0d000003) AM_READWRITE(ps_lcd_r, ps_lcd_w)
852		AM_RANGE(0x0d000100, 0x0d00017f) AM_RAM AM_BASE(m_lcd_buffer)
	853	AM_RANGE(0x0d000100, 0x0d00017f) AM_RAM AM_SHARE("lcd_buffer")
853	854	AM_RANGE(0x0d80000c, 0x0d80000f) AM_READWRITE(ps_audio_r, ps_audio_w)
854	855	AM_RANGE(0x0d800014, 0x0d800017) AM_WRITE(ps_dac_w)
855	856	ADDRESS_MAP_END

src/mess/drivers/casloopy.c

r14900	r14901
148	148	{
149	149	public:
150	150	casloopy_state(const machine_config &mconfig, device_type type, const char *tag)
151		: driver_device(mconfig, type, tag) { }
	151	: driver_device(mconfig, type, tag) ,
	152	m_bios_rom(*this, "bios_rom"){ }
152	153
153		UINT32 *m_bios_rom;
	154	required_shared_ptr<UINT32> m_bios_rom;
154	155	};
155	156
156	157
r14900	r14901
166	167	}
167	168
168	169	static ADDRESS_MAP_START( casloopy_map, AS_PROGRAM, 32, casloopy_state )
169		AM_RANGE(0x00000000, 0x00000007) AM_RAM AM_BASE(m_bios_rom)
	170	AM_RANGE(0x00000000, 0x00000007) AM_RAM AM_SHARE("bios_rom")
170	171	//  AM_RANGE(0x01000000, 0x017fffff) - i/o?
171	172	AM_RANGE(0x06000000, 0x061fffff) AM_ROM AM_REGION("cart",0) // wrong?
172	173	AM_RANGE(0x07fff000, 0x07ffffff) AM_RAM

src/mess/drivers/homez80.c

r14900	r14901
31	31	homez80_state(const machine_config &mconfig, device_type type, const char *tag)
32	32	: driver_device(mconfig, type, tag),
33	33	m_maincpu(*this, "maincpu")
34		{ }
	34	,
	35	m_p_videoram(*this, "p_videoram"){ }
35	36
36	37	required_device<cpu_device> m_maincpu;
37	38	DECLARE_READ8_MEMBER( homez80_keyboard_r );
38		UINT8* m_p_videoram;
	39	required_shared_ptr<UINT8> m_p_videoram;
39	40	UINT8* m_p_chargen;
40	41	bool m_irq;
41	42	virtual void machine_reset();
r14900	r14901
54	55	static ADDRESS_MAP_START(homez80_mem, AS_PROGRAM, 8, homez80_state)
55	56	ADDRESS_MAP_UNMAP_HIGH
56	57	AM_RANGE( 0x0000, 0x0fff ) AM_ROM  // Monitor
57		AM_RANGE( 0x2000, 0x23ff ) AM_RAM  AM_BASE(m_p_videoram) // Video RAM
	58	AM_RANGE( 0x2000, 0x23ff ) AM_RAM  AM_SHARE("p_videoram") // Video RAM
58	59	AM_RANGE( 0x7020, 0x702f ) AM_READ(homez80_keyboard_r)
59	60	AM_RANGE( 0x8000, 0xffff ) AM_RAM  // 32 K RAM
60	61	ADDRESS_MAP_END

src/mess/drivers/ax20.c

r14900	r14901
25	25	ax20_state(const machine_config &mconfig, device_type type, const char *tag)
26	26	: driver_device(mconfig, type, tag),
27	27	m_maincpu(*this, "maincpu")
28		{ }
	28	,
	29	m_p_vram(*this, "p_vram"){ }
29	30
30	31	required_device<cpu_device> m_maincpu;
31	32
32	33	virtual void machine_start();
33	34	UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
34	35
35		UINT8 *m_p_vram;
	36	required_shared_ptr<UINT8> m_p_vram;
36	37	};
37	38
38	39
r14900	r14901
56	57	ADDRESS_MAP_UNMAP_HIGH
57	58	AM_RANGE(0x00000,0x1ffff) AM_RAM
58	59	AM_RANGE(0x20000,0x3ffff) AM_RAM //optional RAM
59		AM_RANGE(0xf0400,0xf0fff) AM_RAM AM_BASE(m_p_vram)
	60	AM_RANGE(0xf0400,0xf0fff) AM_RAM AM_SHARE("p_vram")
60	61	AM_RANGE(0xff800,0xfffff) AM_ROM AM_REGION("ipl", 0)
61	62	ADDRESS_MAP_END
62	63

src/mess/drivers/fp6000.c

r14900	r14901
25	25	{
26	26	public:
27	27	fp6000_state(const machine_config &mconfig, device_type type, const char *tag)
28		: driver_device(mconfig, type, tag) { }
	28	: driver_device(mconfig, type, tag) ,
	29	m_gvram(*this, "gvram"),
	30	m_vram(*this, "vram"){ }
29	31
30	32	UINT8 *m_char_rom;
31		UINT16 *m_vram;
32		UINT16 *m_gvram;
	33	required_shared_ptr<UINT16> m_gvram;
	34	required_shared_ptr<UINT16> m_vram;
33	35	UINT8 m_crtc_vreg[0x100],m_crtc_index;
34	36
35	37	mc6845_device *m_mc6845;
r14900	r14901
165	167	static ADDRESS_MAP_START(fp6000_map, AS_PROGRAM, 16, fp6000_state )
166	168	ADDRESS_MAP_UNMAP_HIGH
167	169	AM_RANGE(0x00000,0xbffff) AM_RAM
168		AM_RANGE(0xc0000,0xdffff) AM_RAM AM_BASE(m_gvram)//gvram
169		AM_RANGE(0xe0000,0xe0fff) AM_RAM AM_BASE(m_vram)
	170	AM_RANGE(0xc0000,0xdffff) AM_RAM AM_SHARE("gvram")//gvram
	171	AM_RANGE(0xe0000,0xe0fff) AM_RAM AM_SHARE("vram")
170	172	AM_RANGE(0xe7000,0xe7fff) AM_READWRITE8(fp6000_pcg_r,fp6000_pcg_w,0xffff)
171	173	AM_RANGE(0xf0000,0xfffff) AM_ROM AM_REGION("ipl", 0)
172	174	ADDRESS_MAP_END

src/mess/drivers/hp9k.c

r14900	r14901
20	20	hp9k_state(const machine_config &mconfig, device_type type, const char *tag)
21	21	: driver_device(mconfig, type, tag),
22	22	m_maincpu(*this, "maincpu")
23		{ }
	23	,
	24	m_p_videoram(*this, "p_videoram"){ }
24	25
25	26	required_device<cpu_device> m_maincpu;
26		UINT8 *m_p_videoram;
	27	required_shared_ptr<UINT8> m_p_videoram;
27	28	};
28	29
29	30
r14900	r14901
31	32	ADDRESS_MAP_UNMAP_HIGH
32	33	AM_RANGE(0x000000, 0x00ffff) AM_ROM
33	34	AM_RANGE(0x010000, 0x3fffff) AM_RAM // guessing
34		AM_RANGE(0x512000, 0x512fff) AM_RAM AM_BASE(m_p_videoram) // videoram
	35	AM_RANGE(0x512000, 0x512fff) AM_RAM AM_SHARE("p_videoram") // videoram
35	36	AM_RANGE(0xffc000, 0xffffff) AM_RAM // system ram
36	37	ADDRESS_MAP_END
37	38

src/mess/drivers/gp2x.c

r14900	r14901
27	27	gp2x_state(const machine_config &mconfig, device_type type, const char *tag)
28	28	: driver_device(mconfig, type, tag),
29	29	m_maincpu(*this, "maincpu")
30		{ }
	30	,
	31	m_ram(*this, "ram"){ }
31	32
32	33	required_device<cpu_device> m_maincpu;
33	34	DECLARE_READ32_MEMBER(gp2x_lcdc_r);
r14900	r14901
40	41	DECLARE_READ32_MEMBER(nand_ctrl_r);
41	42	DECLARE_WRITE32_MEMBER(nand_ctrl_w);
42	43	DECLARE_READ32_MEMBER(sdcard_r);
43		UINT32 *m_ram;
	44	required_shared_ptr<UINT32> m_ram;
44	45	UINT16 m_vidregs[0x200/2];
45	46	UINT32 m_nand_ptr;
46	47	UINT32 m_nand_cmd;
r14900	r14901
337	338
338	339	static ADDRESS_MAP_START( gp2x_map, AS_PROGRAM, 32, gp2x_state )
339	340	AM_RANGE(0x00000000, 0x00007fff) AM_ROM
340		AM_RANGE(0x01000000, 0x04ffffff) AM_RAM   AM_BASE(m_ram) // 64 MB of RAM
	341	AM_RANGE(0x01000000, 0x04ffffff) AM_RAM   AM_SHARE("ram") // 64 MB of RAM
341	342	AM_RANGE(0x9c000000, 0x9c00001f) AM_READWRITE(nand_r, nand_w)
342	343	AM_RANGE(0xc0000a00, 0xc0000a03) AM_READ(timer_r)
343	344	AM_RANGE(0xc0001208, 0xc000120b) AM_READ(tx_status_r)

src/mess/drivers/k8915.c

r14900	r14901
22	22	k8915_state(const machine_config &mconfig, device_type type, const char *tag)
23	23	: driver_device(mconfig, type, tag),
24	24	m_maincpu(*this, "maincpu")
25		{ }
	25	,
	26	m_p_videoram(*this, "p_videoram"){ }
26	27
27	28	required_device<cpu_device> m_maincpu;
28	29	DECLARE_READ8_MEMBER( k8915_52_r );
29	30	DECLARE_READ8_MEMBER( k8915_53_r );
30	31	DECLARE_WRITE8_MEMBER( k8915_a8_w );
31	32	DECLARE_WRITE8_MEMBER( kbd_put );
32		UINT8 *m_p_videoram;
	33	required_shared_ptr<UINT8> m_p_videoram;
33	34	UINT8 *m_p_chargen;
34	35	UINT8 m_framecnt;
35	36	UINT8 m_term_data;
r14900	r14901
64	65	static ADDRESS_MAP_START(k8915_mem, AS_PROGRAM, 8, k8915_state)
65	66	ADDRESS_MAP_UNMAP_HIGH
66	67	AM_RANGE(0x0000, 0x0fff) AM_RAMBANK("boot")
67		AM_RANGE(0x1000, 0x17ff) AM_RAM AM_BASE(m_p_videoram)
	68	AM_RANGE(0x1000, 0x17ff) AM_RAM AM_SHARE("p_videoram")
68	69	AM_RANGE(0x1800, 0xffff) AM_RAM
69	70	ADDRESS_MAP_END
70	71

src/mess/drivers/z9001.c

r14900	r14901
40	40	public:
41	41	z9001_state(const machine_config &mconfig, device_type type, const char *tag)
42	42	: driver_device(mconfig, type, tag),
43		m_maincpu(*this, "maincpu"),
44		m_framecnt(0)
45		{ }
	43	m_maincpu(*this, "maincpu"),
	44	m_framecnt(0),
	45	m_p_colorram(*this, "p_colorram"),
	46	m_p_videoram(*this, "p_videoram"){ }
46	47
47	48	required_device<cpu_device> m_maincpu;
	49	UINT8 m_framecnt;
	50	required_shared_ptr<const UINT8> m_p_colorram;
	51	required_shared_ptr<const UINT8> m_p_videoram;
48	52	DECLARE_WRITE8_MEMBER(kbd_put);
49		const UINT8 *m_p_videoram;
50		const UINT8 *m_p_colorram;
51	53	const UINT8 *m_p_chargen;
52		UINT8 m_framecnt;
53	54	virtual void machine_reset();
54	55	//virtual void machine_start();
55	56	virtual void video_start();
r14900	r14901
58	59	static ADDRESS_MAP_START(z9001_mem, AS_PROGRAM, 8, z9001_state)
59	60	ADDRESS_MAP_UNMAP_HIGH
60	61	AM_RANGE( 0x0000, 0xe7ff ) AM_RAM
61		AM_RANGE( 0xe800, 0xebff ) AM_RAM AM_BASE(m_p_colorram)
62		AM_RANGE( 0xec00, 0xefff ) AM_RAM AM_BASE(m_p_videoram)
	62	AM_RANGE( 0xe800, 0xebff ) AM_RAM AM_SHARE("p_colorram")
	63	AM_RANGE( 0xec00, 0xefff ) AM_RAM AM_SHARE("p_videoram")
63	64	AM_RANGE( 0xf000, 0xffff ) AM_ROM
64	65	ADDRESS_MAP_END
65	66

src/mess/drivers/c10.c

r14900	r14901
23	23	c10_state(const machine_config &mconfig, device_type type, const char *tag)
24	24	: driver_device(mconfig, type, tag),
25	25	m_maincpu(*this, "maincpu")
26		{ }
	26	,
	27	m_p_videoram(*this, "p_videoram"){ }
27	28
28	29	required_device<cpu_device> m_maincpu;
29	30	const UINT8 *m_p_chargen;
30		const UINT8 *m_p_videoram;
	31	required_shared_ptr<const UINT8> m_p_videoram;
31	32	virtual void machine_reset();
32	33	virtual void video_start();
33	34	UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
r14900	r14901
41	42	AM_RANGE(0x1000, 0x7fff) AM_RAM
42	43	AM_RANGE(0x8000, 0xbfff) AM_ROM
43	44	AM_RANGE(0xc000, 0xf0a1) AM_RAM
44		AM_RANGE(0xf0a2, 0xffff) AM_RAM AM_BASE(m_p_videoram)
	45	AM_RANGE(0xf0a2, 0xffff) AM_RAM AM_SHARE("p_videoram")
45	46	ADDRESS_MAP_END
46	47
47	48	static ADDRESS_MAP_START( c10_io, AS_IO, 8, c10_state)

src/mess/drivers/jr100.c

r14900	r14901
25	25	{
26	26	public:
27	27	jr100_state(const machine_config &mconfig, device_type type, const char *tag)
28		: driver_device(mconfig, type, tag) { }
	28	: driver_device(mconfig, type, tag) ,
	29	m_ram(*this, "ram"),
	30	m_pcg(*this, "pcg"),
	31	m_vram(*this, "vram"){ }
29	32
30		UINT8 *m_ram;
31		UINT8 *m_vram;
32		UINT8 *m_pcg;
	33	required_shared_ptr<UINT8> m_ram;
	34	required_shared_ptr<UINT8> m_pcg;
	35	required_shared_ptr<UINT8> m_vram;
33	36	UINT8 m_keyboard_line;
34	37	bool m_use_pcg;
35	38	UINT8 m_speaker;
r14900	r14901
79	82
80	83	static ADDRESS_MAP_START(jr100_mem, AS_PROGRAM, 8, jr100_state )
81	84	ADDRESS_MAP_UNMAP_HIGH
82		AM_RANGE(0x0000, 0x3fff) AM_RAM AM_BASE(m_ram)
83		AM_RANGE(0xc000, 0xc0ff) AM_RAM AM_BASE(m_pcg)
84		AM_RANGE(0xc100, 0xc3ff) AM_RAM AM_BASE(m_vram)
	85	AM_RANGE(0x0000, 0x3fff) AM_RAM AM_SHARE("ram")
	86	AM_RANGE(0xc000, 0xc0ff) AM_RAM AM_SHARE("pcg")
	87	AM_RANGE(0xc100, 0xc3ff) AM_RAM AM_SHARE("vram")
85	88	AM_RANGE(0xc800, 0xc80f) AM_DEVREAD("via", via6522_device, read) AM_WRITE(jr100_via_w)
86	89	AM_RANGE(0xe000, 0xffff) AM_ROM
87	90	ADDRESS_MAP_END

src/mess/drivers/czk80.c

r14900	r14901
26	26	: driver_device(mconfig, type, tag),
27	27	m_maincpu(*this, "maincpu"),
28	28	m_terminal(*this, TERMINAL_TAG)
29		{ }
	29	,
	30	m_p_ram(*this, "p_ram"){ }
30	31
31	32	required_device<cpu_device> m_maincpu;
32	33	required_device<generic_terminal_device> m_terminal;
r14900	r14901
34	35	DECLARE_READ8_MEMBER( czk80_81_r );
35	36	DECLARE_READ8_MEMBER( czk80_c0_r );
36	37	DECLARE_WRITE8_MEMBER( kbd_put );
37		UINT8 *m_p_ram;
	38	required_shared_ptr<UINT8> m_p_ram;
38	39	UINT8 m_term_data;
39	40	virtual void machine_reset();
40	41	};
r14900	r14901
59	60
60	61	static ADDRESS_MAP_START(czk80_mem, AS_PROGRAM, 8, czk80_state)
61	62	ADDRESS_MAP_UNMAP_HIGH
62		AM_RANGE(0x0000, 0xffff) AM_RAM AM_BASE(m_p_ram)
	63	AM_RANGE(0x0000, 0xffff) AM_RAM AM_SHARE("p_ram")
63	64	ADDRESS_MAP_END
64	65
65	66	static ADDRESS_MAP_START(czk80_io, AS_IO, 8, czk80_state)

src/mess/drivers/hp49gp.c

r14900	r14901
36	36	{
37	37	public:
38	38	hp49gp_state(const machine_config &mconfig, device_type type, const char *tag)
39		: driver_device(mconfig, type, tag) { }
	39	: driver_device(mconfig, type, tag) ,
	40	m_steppingstone(*this, "steppingstone"){ }
40	41
41	42	UINT32 m_port[9];
42	43	device_t *m_s3c2410;
43		UINT32 *m_steppingstone;
	44	required_shared_ptr<UINT32> m_steppingstone;
44	45	lcd_spi_t m_lcd_spi;
45	46	};
46	47
r14900	r14901
256	257	AM_RANGE(0x08000000, 0x0801ffff) AM_RAM
257	258	AM_RANGE(0x08020000, 0x0803ffff) AM_RAM
258	259	AM_RANGE(0x08040000, 0x0807ffff) AM_RAM
259		AM_RANGE(0x40000000, 0x40000fff) AM_RAM AM_BASE(m_steppingstone)
	260	AM_RANGE(0x40000000, 0x40000fff) AM_RAM AM_SHARE("steppingstone")
260	261	ADDRESS_MAP_END
261	262
262	263	/***************************************************************************

src/mess/drivers/pv1000.c

r14900	r14901
17	17	{
18	18	public:
19	19	pv1000_state(const machine_config &mconfig, device_type type, const char *tag)
20		: driver_device(mconfig, type, tag) { }
	20	: driver_device(mconfig, type, tag) ,
	21	m_p_videoram(*this, "p_videoram"){ }
21	22
22	23	DECLARE_WRITE8_MEMBER(pv1000_io_w);
23	24	DECLARE_READ8_MEMBER(pv1000_io_r);
r14900	r14901
37	38
38	39	device_t *m_maincpu;
39	40	screen_device *m_screen;
40		UINT8 *m_p_videoram;
	41	required_shared_ptr<UINT8> m_p_videoram;
41	42	};
42	43
43	44

src/mess/drivers/a5105.c

r14900	r14901
41	41	m_maincpu(*this, "maincpu"),
42	42	m_hgdc(*this, "upd7220"),
43	43	m_cass(*this, CASSETTE_TAG),
44		m_beep(*this, BEEPER_TAG)
45		{ }
	44	m_beep(*this, BEEPER_TAG),
	45	m_video_ram(*this, "video_ram"){ }
46	46
47	47	required_device<cpu_device> m_maincpu;
48	48	required_device<upd7220_device> m_hgdc;
r14900	r14901
57	57	WRITE8_MEMBER( a5105_upd765_w );
58	58	DECLARE_WRITE8_MEMBER(pcg_addr_w);
59	59	DECLARE_WRITE8_MEMBER(pcg_val_w);
60		UINT8 *m_video_ram;
	60	required_shared_ptr<UINT8> m_video_ram;
61	61	UINT8 *m_ram_base;
62	62	UINT8 *m_rom_base;
63	63	UINT8 *m_char_rom;
r14900	r14901
518	518
519	519	static ADDRESS_MAP_START( upd7220_map, AS_0, 8, a5105_state)
520	520	ADDRESS_MAP_GLOBAL_MASK(0x1ffff)
521		AM_RANGE(0x00000, 0x1ffff) AM_RAM AM_BASE(m_video_ram)
	521	AM_RANGE(0x00000, 0x1ffff) AM_RAM AM_SHARE("video_ram")
522	522	ADDRESS_MAP_END
523	523
524	524	static LEGACY_FLOPPY_OPTIONS_START(a5105)

src/mess/drivers/applix.c

r14900	r14901
32	32	: driver_device(mconfig, type, tag),
33	33	m_maincpu(*this, "maincpu"),
34	34	m_crtc(*this, "crtc")
35		{ }
	35	,
	36	m_base(*this, "base"){ }
36	37
37	38	required_device<cpu_device> m_maincpu;
38	39	required_device<mc6845_device> m_crtc;
39	40	DECLARE_READ16_MEMBER(applix_inputs_r);
40	41	DECLARE_WRITE16_MEMBER(applix_index_w);
41	42	DECLARE_WRITE16_MEMBER(applix_register_w);
42		UINT8* m_base;
	43	required_shared_ptr<UINT8> m_base;
43	44	};
44	45
45	46	WRITE16_MEMBER( applix_state::applix_index_w )
r14900	r14901
70	71	static ADDRESS_MAP_START(applix_mem, AS_PROGRAM, 16, applix_state)
71	72	ADDRESS_MAP_UNMAP_HIGH
72	73	ADDRESS_MAP_GLOBAL_MASK(0xffffff)
73		AM_RANGE(0x000000, 0x07ffff) AM_RAM AM_BASE(m_base)
	74	AM_RANGE(0x000000, 0x07ffff) AM_RAM AM_SHARE("base")
74	75	AM_RANGE(0x080000, 0x47ffff) AM_NOP //AM_RAM // expansion
75	76	AM_RANGE(0x500000, 0x5fffff) AM_ROM
76	77	//AM_RANGE(0x600000, 0x600001) centronics latch (odd), video palette entry 0 (even)

src/mess/drivers/mz6500.c

r14900	r14901
18	18	: driver_device(mconfig, type, tag),
19	19	m_hgdc(*this, "upd7220"),
20	20	m_fdc(*this, "upd765")
21		{ }
	21	,
	22	m_video_ram(*this, "video_ram"){ }
22	23
23	24	required_device<upd7220_device> m_hgdc;
24	25	required_device<device_t> m_fdc;
r14900	r14901
28	29	DECLARE_WRITE8_MEMBER(mz6500_vram_w);
29	30	DECLARE_WRITE_LINE_MEMBER(fdc_irq);
30	31	DECLARE_WRITE_LINE_MEMBER(fdc_drq);
31		UINT8 *m_video_ram;
	32	required_shared_ptr<UINT8> m_video_ram;
32	33	};
33	34
34	35	static UPD7220_DISPLAY_PIXELS( hgdc_display_pixels )
r14900	r14901
162	163	};
163	164
164	165	static ADDRESS_MAP_START( upd7220_map, AS_0, 8, mz6500_state )
165		AM_RANGE(0x00000, 0x3ffff) AM_RAM AM_BASE(m_video_ram)
	166	AM_RANGE(0x00000, 0x3ffff) AM_RAM AM_SHARE("video_ram")
166	167	ADDRESS_MAP_END
167	168
168	169

src/mess/drivers/okean240.c

r14900	r14901
62	62	: driver_device(mconfig, type, tag),
63	63	m_term_data(0),
64	64	m_j(0),
65		m_scroll(0)
66		{ }
	65	m_scroll(0),
	66	m_p_videoram(*this, "p_videoram"){ }
67	67
68	68	DECLARE_READ8_MEMBER(okean240_kbd_status_r);
69	69	DECLARE_READ8_MEMBER(okean240a_kbd_status_r);
r14900	r14901
74	74	DECLARE_READ8_MEMBER(okean240a_keyboard_r);
75	75	DECLARE_WRITE8_MEMBER(kbd_put);
76	76	DECLARE_WRITE8_MEMBER(scroll_w);
77		UINT8 *m_p_videoram;
78	77	UINT8 m_term_data;
79	78	UINT8 m_j;
80	79	UINT8 m_scroll;
	80	required_shared_ptr<UINT8> m_p_videoram;
81	81	virtual void machine_reset();
82	82	virtual void video_start();
83	83	};
r14900	r14901
190	190	ADDRESS_MAP_UNMAP_HIGH
191	191	AM_RANGE(0x0000, 0x07ff) AM_RAMBANK("boot")
192	192	AM_RANGE(0x0800, 0x3fff) AM_RAM
193		AM_RANGE(0x4000, 0x7fff) AM_RAM AM_BASE(m_p_videoram)
	193	AM_RANGE(0x4000, 0x7fff) AM_RAM AM_SHARE("p_videoram")
194	194	AM_RANGE(0x8000, 0xbfff) AM_RAM
195	195	AM_RANGE(0xc000, 0xffff) AM_ROM
196	196	ADDRESS_MAP_END

src/mess/drivers/sgi_ip2.c

r14900	r14901
54	54	public:
55	55	sgi_ip2_state(const machine_config &mconfig, device_type type, const char *tag)
56	56	: driver_device(mconfig, type, tag),
57		m_terminal(*this, TERMINAL_TAG) { }
	57	m_terminal(*this, TERMINAL_TAG) ,
	58	m_mainram(*this, "mainram"),
	59	m_bss(*this, "bss"),
	60	m_ptmap(*this, "ptmap"){ }
58	61
	62	required_device<generic_terminal_device> m_terminal;
	63	required_shared_ptr<UINT32> m_mainram;
	64	required_shared_ptr<UINT32> m_bss;
	65	required_shared_ptr<UINT32> m_ptmap;
59	66	UINT8 m_mbut;
60	67	UINT16 m_mquad;
61		UINT32 *m_ptmap;
62	68	UINT16 m_tdbase;
63	69	UINT16 m_tdlmt;
64	70	UINT16 m_stkbase;
65	71	UINT16 m_stklmt;
66		UINT32 *m_mainram;
67		UINT32 *m_bss;
68	72	UINT8 m_parctl;
69	73	UINT8 m_mbp;
70	74
71		required_device<generic_terminal_device> m_terminal;
72	75	DECLARE_READ8_MEMBER(sgi_ip2_m_but_r);
73	76	DECLARE_WRITE8_MEMBER(sgi_ip2_m_but_w);
74	77	DECLARE_READ16_MEMBER(sgi_ip2_m_quad_r);
r14900	r14901
379	382
380	383
381	384	static ADDRESS_MAP_START(sgi_ip2_map, AS_PROGRAM, 32, sgi_ip2_state )
382		AM_RANGE(0x00000000, 0x00ffffff) AM_RAM AM_BASE(m_mainram)
383		AM_RANGE(0x02100000, 0x0210ffff) AM_RAM AM_BASE(m_bss) // ??? I don't understand the need for this...
	385	AM_RANGE(0x00000000, 0x00ffffff) AM_RAM AM_SHARE("mainram")
	386	AM_RANGE(0x02100000, 0x0210ffff) AM_RAM AM_SHARE("bss") // ??? I don't understand the need for this...
384	387	AM_RANGE(0x30000000, 0x30017fff) AM_ROM AM_REGION("user1", 0)
385	388	AM_RANGE(0x30800000, 0x30800003) AM_READWRITE8(sgi_ip2_m_but_r,       sgi_ip2_m_but_w,      0xffffffff)
386	389	AM_RANGE(0x31000000, 0x31000003) AM_READWRITE16(sgi_ip2_m_quad_r,      sgi_ip2_m_quad_w,      0xffffffff)
r14900	r14901
394	397	AM_RANGE(0x38000000, 0x38000003) AM_READWRITE16(sgi_ip2_status_r,      sgi_ip2_status_w,      0xffffffff)
395	398	AM_RANGE(0x39000000, 0x39000003) AM_READWRITE8(sgi_ip2_parctl_r,      sgi_ip2_parctl_w,      0xffffffff)
396	399	AM_RANGE(0x3a000000, 0x3a000003) AM_READWRITE8(sgi_ip2_mbp_r,         sgi_ip2_mbp_w,         0xffffffff)
397		AM_RANGE(0x3b000000, 0x3b003fff) AM_READWRITE(sgi_ip2_ptmap_r, sgi_ip2_ptmap_w) AM_BASE(m_ptmap)
	400	AM_RANGE(0x3b000000, 0x3b003fff) AM_READWRITE(sgi_ip2_ptmap_r, sgi_ip2_ptmap_w) AM_SHARE("ptmap")
398	401	AM_RANGE(0x3c000000, 0x3c000003) AM_READWRITE16(sgi_ip2_tdbase_r,      sgi_ip2_tdbase_w,      0xffffffff)
399	402	AM_RANGE(0x3d000000, 0x3d000003) AM_READWRITE16(sgi_ip2_tdlmt_r,      sgi_ip2_tdlmt_w,      0xffffffff)
400	403	AM_RANGE(0x3e000000, 0x3e000003) AM_READWRITE16(sgi_ip2_stkbase_r,      sgi_ip2_stkbase_w,      0xffffffff)

src/mess/drivers/ht68k.c

r14900	r14901
40	40	m_terminal(*this, TERMINAL_TAG),
41	41	m_duart(*this, "duart68681"),
42	42	m_fdc(*this, "wd1770")
43		{ }
	43	,
	44	m_p_ram(*this, "p_ram"){ }
44	45
45	46	required_device<cpu_device> m_maincpu;
46	47	required_device<generic_terminal_device> m_terminal;
r14900	r14901
48	49	required_device<device_t> m_fdc;
49	50	DECLARE_WRITE8_MEMBER(kbd_put);
50	51	DECLARE_WRITE_LINE_MEMBER(ht68k_fdc_intrq_w);
51		UINT16* m_p_ram;
	52	required_shared_ptr<UINT16> m_p_ram;
52	53	};
53	54
54	55
55	56
56	57	static ADDRESS_MAP_START(ht68k_mem, AS_PROGRAM, 16, ht68k_state)
57	58	ADDRESS_MAP_UNMAP_HIGH
58		AM_RANGE(0x00000000, 0x0007ffff) AM_RAM AM_BASE(m_p_ram) // 512 KB RAM / ROM at boot
	59	AM_RANGE(0x00000000, 0x0007ffff) AM_RAM AM_SHARE("p_ram") // 512 KB RAM / ROM at boot
59	60	//AM_RANGE(0x00080000, 0x000fffff) // Expansion
60	61	//AM_RANGE(0x00d80000, 0x00d8ffff) // Printer
61	62	AM_RANGE(0x00e00000, 0x00e00007) AM_MIRROR(0xfff8) AM_DEVREADWRITE8_LEGACY("wd1770", wd17xx_r, wd17xx_w, 0x00ff) // FDC WD1770
r14900	r14901
73	74	ht68k_state *state = machine.driver_data<ht68k_state>();
74	75	UINT8* user1 = machine.region("user1")->base();
75	76
76		memcpy((UINT8*)state->m_p_ram,user1,0x8000);
	77	memcpy((UINT8*)state->m_p_ram.target(),user1,0x8000);
77	78
78	79	machine.device("maincpu")->reset();
79	80	}

src/mess/drivers/pv9234.c

r14900	r14901
26	26	{
27	27	public:
28	28	pv9234_state(const machine_config &mconfig, device_type type, const char *tag)
29		: driver_device(mconfig, type, tag) { }
	29	: driver_device(mconfig, type, tag) ,
	30	m_p_ram(*this, "p_ram"){ }
30	31
31	32	DECLARE_WRITE32_MEMBER(debug_w);
32	33	DECLARE_WRITE32_MEMBER(debug1_w);
33	34	DECLARE_WRITE32_MEMBER(debug2_w);
34		UINT32 *m_p_ram;
	35	required_shared_ptr<UINT32> m_p_ram;
35	36	};
36	37
37	38
r14900	r14901
99	100	AM_RANGE(0x000080c0, 0x000080c3) AM_WRITE(debug2_w)
100	101	AM_RANGE(0x000080cc, 0x000080cf) AM_WRITE(debug_w)
101	102	// AM_RANGE(0x000080d0, 0x000080d3) AM_WRITE something
102		AM_RANGE(0x0003e000, 0x0003efff) AM_RAM AM_BASE(m_p_ram)
	103	AM_RANGE(0x0003e000, 0x0003efff) AM_RAM AM_SHARE("p_ram")
103	104	AM_RANGE(0x00000000, 0x0007ffff) AM_ROM AM_REGION("maincpu",0) //FLASH ROM!
104	105	AM_RANGE(0x00080000, 0x00087fff) AM_MIRROR(0x78000) AM_RAM AM_SHARE("share1")//mirror is a guess, writes a prg at 0xc0200 then it jumps at b0200 (!)
105	106	AM_RANGE(0xe0000000, 0xe0007fff) AM_MIRROR(0x0fff8000) AM_RAM AM_SHARE("share1")

src/mess/drivers/pc1500.c

r14900	r14901
24	24	: driver_device(mconfig, type, tag),
25	25	m_maincpu(*this, "maincpu"),
26	26	m_rtc(*this, "upd1990a")
27		{ }
	27	,
	28	m_lcd_data(*this, "lcd_data"){ }
28	29
29	30	required_device<cpu_device> m_maincpu;
30	31	required_device<upd1990a_device> m_rtc;
31	32
32		UINT8 *m_lcd_data;
	33	required_shared_ptr<UINT8> m_lcd_data;
33	34	UINT8 m_kb_matrix;
34	35
35	36	UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);

src/mess/drivers/paso1600.c

r14900	r14901
24	24	m_pic(*this, "pic8259"),
25	25	m_dma(*this, "8237dma"),
26	26	m_crtc(*this, "crtc")
27		{ }
	27	,
	28	m_p_vram(*this, "p_vram"),
	29	m_p_gvram(*this, "p_gvram"){ }
28	30
29	31	required_device<cpu_device> m_maincpu;
30	32	required_device<device_t> m_pic;
r14900	r14901
42	44	UINT8 m_crtc_vreg[0x100],m_crtc_index;
43	45	UINT8 *m_p_chargen;
44	46	UINT8 *m_p_pcg;
45		UINT16 *m_p_vram;
46		UINT16 *m_p_gvram;
	47	required_shared_ptr<UINT16> m_p_vram;
	48	required_shared_ptr<UINT16> m_p_gvram;
47	49
48	50	struct{
49	51	UINT8 portb;
r14900	r14901
216	218	static ADDRESS_MAP_START(paso1600_map, AS_PROGRAM, 16, paso1600_state)
217	219	ADDRESS_MAP_UNMAP_HIGH
218	220	AM_RANGE(0x00000,0x7ffff) AM_RAM
219		AM_RANGE(0xb0000,0xb0fff) AM_RAM AM_BASE(m_p_vram) // tvram
	221	AM_RANGE(0xb0000,0xb0fff) AM_RAM AM_SHARE("p_vram") // tvram
220	222	AM_RANGE(0xbfff0,0xbffff) AM_READWRITE8(paso1600_pcg_r,paso1600_pcg_w,0xffff)
221		AM_RANGE(0xc0000,0xdffff) AM_RAM AM_BASE(m_p_gvram)// gvram
	223	AM_RANGE(0xc0000,0xdffff) AM_RAM AM_SHARE("p_gvram")// gvram
222	224	AM_RANGE(0xe0000,0xeffff) AM_ROM AM_REGION("kanji",0)// kanji rom, banked via port 0x93
223	225	AM_RANGE(0xfe000,0xfffff) AM_ROM AM_REGION("ipl", 0)
224	226	ADDRESS_MAP_END

src/mess/drivers/vt100.c

r14900	r14901
28	28	m_maincpu(*this, "maincpu"),
29	29	m_crtc(*this, "vt100_video"),
30	30	m_speaker(*this, SPEAKER_TAG)
31		{ }
	31	,
	32	m_p_ram(*this, "p_ram"){ }
32	33
33	34	required_device<cpu_device> m_maincpu;
34	35	required_device<device_t> m_crtc;
r14900	r14901
40	41	DECLARE_WRITE8_MEMBER(vt100_nvr_latch_w);
41	42	DECLARE_READ8_MEMBER(vt100_read_video_ram_r);
42	43	DECLARE_WRITE8_MEMBER(vt100_clear_video_interrupt);
43		UINT8 *m_p_ram;
	44	required_shared_ptr<UINT8> m_p_ram;
44	45	bool m_keyboard_int;
45	46	bool m_receiver_int;
46	47	bool m_vertical_int;
r14900	r14901
56	57	static ADDRESS_MAP_START(vt100_mem, AS_PROGRAM, 8, vt100_state)
57	58	ADDRESS_MAP_UNMAP_HIGH
58	59	AM_RANGE( 0x0000, 0x1fff ) AM_ROM  // ROM ( 4 * 2K)
59		AM_RANGE( 0x2000, 0x2bff ) AM_RAM AM_BASE(m_p_ram) // Screen and scratch RAM
	60	AM_RANGE( 0x2000, 0x2bff ) AM_RAM AM_SHARE("p_ram") // Screen and scratch RAM
60	61	AM_RANGE( 0x2c00, 0x2fff ) AM_RAM  // AVO Screen RAM
61	62	AM_RANGE( 0x3000, 0x3fff ) AM_RAM  // AVO Attribute RAM (4 bits wide)
62	63	// 0x4000, 0x7fff is unassigned

src/mess/drivers/vt240.c

r14900	r14901
32	32	: driver_device(mconfig, type, tag),
33	33	m_maincpu(*this, "maincpu"),
34	34	m_hgdc(*this, "upd7220")
35		{ }
	35	,
	36	m_video_ram(*this, "video_ram"){ }
36	37
37	38	required_device<cpu_device> m_maincpu;
38	39	required_device<upd7220_device> m_hgdc;
r14900	r14901
44	45	//UINT8 m_pcg_internal_addr;
45	46	//UINT8 *m_char_rom;
46	47
47		UINT8 *m_video_ram;
	48	required_shared_ptr<UINT8> m_video_ram;
48	49	};
49	50
50	51	/* TODO */
r14900	r14901
116	117
117	118
118	119	static ADDRESS_MAP_START( upd7220_map, AS_0, 8, vt240_state)
119		AM_RANGE(0x00000, 0x3ffff) AM_RAM AM_BASE(m_video_ram)
	120	AM_RANGE(0x00000, 0x3ffff) AM_RAM AM_SHARE("video_ram")
120	121	ADDRESS_MAP_END
121	122
122	123	/* Input ports */

src/mess/drivers/codata.c

r14900	r14901
14	14	{
15	15	public:
16	16	codata_state(const machine_config &mconfig, device_type type, const char *tag)
17		: driver_device(mconfig, type, tag) { }
	17	: driver_device(mconfig, type, tag) ,
	18	m_p_base(*this, "p_base"){ }
18	19
19		UINT8 *m_p_base;
	20	required_shared_ptr<UINT8> m_p_base;
20	21	};
21	22
22	23
23	24
24	25	static ADDRESS_MAP_START(codata_mem, AS_PROGRAM, 16, codata_state)
25	26	ADDRESS_MAP_UNMAP_HIGH
26		AM_RANGE(0x000000, 0x0fffff) AM_RAM AM_BASE(m_p_base)
	27	AM_RANGE(0x000000, 0x0fffff) AM_RAM AM_SHARE("p_base")
27	28	AM_RANGE(0x200000, 0x203fff) AM_ROM AM_REGION("user1", 0);
28	29	AM_RANGE(0x400000, 0x403fff) AM_ROM AM_REGION("user1", 0x4000);
29	30	//AM_RANGE(0x600000, 0x600003) some device

src/mess/drivers/jr200.c

r14900	r14901
24	24	{
25	25	public:
26	26	jr200_state(const machine_config &mconfig, device_type type, const char *tag)
27		: driver_device(mconfig, type, tag) { }
	27	: driver_device(mconfig, type, tag) ,
	28	m_vram(*this, "vram"),
	29	m_cram(*this, "cram"),
	30	m_mn1271_ram(*this, "mn1271_ram"){ }
28	31
29		UINT8 *m_vram;
30		UINT8 *m_cram;
31		UINT8 *m_mn1271_ram;
	32	required_shared_ptr<UINT8> m_vram;
	33	required_shared_ptr<UINT8> m_cram;
	34	required_shared_ptr<UINT8> m_mn1271_ram;
32	35	UINT8 m_border_col;
33	36	UINT8 m_old_keydata;
34	37	UINT8 m_freq_reg[2];
r14900	r14901
335	338	AM_RANGE(0xa000, 0xbfff) AM_ROM
336	339
337	340	AM_RANGE(0xc000, 0xc0ff) AM_READWRITE(jr200_pcg_1_r,jr200_pcg_1_w) //PCG area (1)
338		AM_RANGE(0xc100, 0xc3ff) AM_RAM AM_BASE(m_vram)
	341	AM_RANGE(0xc100, 0xc3ff) AM_RAM AM_SHARE("vram")
339	342	AM_RANGE(0xc400, 0xc4ff) AM_READWRITE(jr200_pcg_2_r,jr200_pcg_2_w) //PCG area (2)
340		AM_RANGE(0xc500, 0xc7ff) AM_RAM AM_BASE(m_cram)
	343	AM_RANGE(0xc500, 0xc7ff) AM_RAM AM_SHARE("cram")
341	344
342	345	//  0xc800 - 0xcfff I / O area
343		AM_RANGE(0xc800, 0xcfff) AM_READWRITE(mn1271_io_r,mn1271_io_w) AM_BASE(m_mn1271_ram)
	346	AM_RANGE(0xc800, 0xcfff) AM_READWRITE(mn1271_io_r,mn1271_io_w) AM_SHARE("mn1271_ram")
344	347
345	348	AM_RANGE(0xd000, 0xd7ff) AM_READWRITE(jr200_bios_char_r,jr200_bios_char_w) //BIOS PCG RAM area
346	349	AM_RANGE(0xd800, 0xdfff) AM_ROM // cart space (header 0x7e)

src/mess/drivers/apricot.c

r14900	r14901
39	39	m_pit(*this, "ic16"),
40	40	m_z80sio(*this, "ic15"),
41	41	m_fdc(*this, "ic68")
42		{ }
	42	,
	43	m_screen_buffer(*this, "screen_buffer"){ }
43	44
44	45	required_device<cpu_device> m_maincpu;
45	46	required_device<ram_device> m_ram;
r14900	r14901
60	61	bool m_video_mode;
61	62	bool m_display_on;
62	63	bool m_display_enabled;
63		UINT16 *m_screen_buffer;
	64	required_shared_ptr<UINT16> m_screen_buffer;
64	65	};
65	66
66	67
r14900	r14901
277	278	static ADDRESS_MAP_START( apricot_mem, AS_PROGRAM, 16, apricot_state )
278	279	AM_RANGE(0x00000, 0x3ffff) AM_RAMBANK("standard_ram")
279	280	AM_RANGE(0x40000, 0xeffff) AM_RAMBANK("expansion_ram")
280		AM_RANGE(0xf0000, 0xf0fff) AM_MIRROR(0x7000) AM_RAM AM_BASE(m_screen_buffer)
	281	AM_RANGE(0xf0000, 0xf0fff) AM_MIRROR(0x7000) AM_RAM AM_SHARE("screen_buffer")
281	282	AM_RANGE(0xfc000, 0xfffff) AM_MIRROR(0x4000) AM_ROM AM_REGION("bootstrap", 0)
282	283	ADDRESS_MAP_END
283	284

src/mess/drivers/dim68k.c

r14900	r14901
47	47	m_maincpu(*this, "maincpu"),
48	48	m_crtc(*this, "crtc"),
49	49	m_speaker(*this, SPEAKER_TAG)
50		{ }
	50	,
	51	m_ram(*this, "ram"){ }
51	52
52	53	required_device<cpu_device> m_maincpu;
53	54	required_device<mc6845_device> m_crtc;
r14900	r14901
65	66	DECLARE_WRITE16_MEMBER( dim68k_video_control_w );
66	67	DECLARE_WRITE16_MEMBER( dim68k_video_high_w );
67	68	DECLARE_WRITE16_MEMBER( dim68k_video_reset_w );
68		UINT16* m_ram;
	69	required_shared_ptr<UINT16> m_ram;
69	70	const UINT8 *m_p_chargen;
70	71	bool m_speaker_bit;
71	72	UINT8 m_video_control;
r14900	r14901
169	170
170	171	static ADDRESS_MAP_START(dim68k_mem, AS_PROGRAM, 16, dim68k_state)
171	172	ADDRESS_MAP_UNMAP_HIGH
172		AM_RANGE(0x00000000, 0x00feffff) AM_RAM AM_BASE(m_ram) // 16MB RAM / ROM at boot
	173	AM_RANGE(0x00000000, 0x00feffff) AM_RAM AM_SHARE("ram") // 16MB RAM / ROM at boot
173	174	AM_RANGE(0x00ff0000, 0x00ff1fff) AM_ROM AM_REGION("bootrom", 0)
174	175	AM_RANGE(0x00ff2000, 0x00ff7fff) AM_RAM // Graphics Video RAM
175	176	AM_RANGE(0x00ff8000, 0x00ff8001) AM_DEVREADWRITE8("crtc", mc6845_device, status_r, address_w, 0xff)
r14900	r14901
203	204	{
204	205	UINT8* ROM = machine().region("bootrom")->base();
205	206
206		memcpy((UINT8*)m_ram, ROM, 0x2000);
	207	memcpy((UINT8*)m_ram.target(), ROM, 0x2000);
207	208
208	209	machine().device("maincpu")->reset();
209	210	}

src/mess/drivers/apf.c

r14900	r14901
74	74	m_pia1(*this, "pia_1"),
75	75	m_cass(*this, CASSETTE_TAG),
76	76	m_fdc(*this, "wd179x")
77		{ }
	77	,
	78	m_p_videoram(*this, "p_videoram"){ }
78	79
79	80	required_device<cpu_device> m_maincpu;
80	81	required_device<mc6847_base_device> m_crtc;
r14900	r14901
123	124	unsigned char m_keyboard_data;
124	125	unsigned char m_pad_data;
125	126	UINT8 m_mc6847_css;
126		UINT8 *m_p_videoram;
	127	required_shared_ptr<UINT8> m_p_videoram;
127	128	UINT8 m_apf_ints;
128	129	void apf_update_ints(UINT8 intnum);
129	130	};
r14900	r14901
426	427	}
427	428
428	429	static ADDRESS_MAP_START( apf_imagination_map, AS_PROGRAM, 8, apf_state )
429		AM_RANGE( 0x00000, 0x003ff) AM_RAM AM_BASE(m_p_videoram) AM_MIRROR(0x1c00)
	430	AM_RANGE( 0x00000, 0x003ff) AM_RAM AM_SHARE("p_videoram") AM_MIRROR(0x1c00)
430	431	AM_RANGE( 0x02000, 0x03fff) AM_DEVREADWRITE("pia_0", pia6821_device, read, write)
431	432	AM_RANGE( 0x04000, 0x047ff) AM_ROM AM_REGION("maincpu", 0x10000) AM_MIRROR(0x1800)
432	433	AM_RANGE( 0x06000, 0x063ff) AM_DEVREADWRITE("pia_1", pia6821_device, read, write)
r14900	r14901
444	445	ADDRESS_MAP_END
445	446
446	447	static ADDRESS_MAP_START( apf_m1000_map, AS_PROGRAM, 8, apf_state )
447		AM_RANGE( 0x00000, 0x003ff) AM_RAM AM_BASE(m_p_videoram)  AM_MIRROR(0x1c00)
	448	AM_RANGE( 0x00000, 0x003ff) AM_RAM AM_SHARE("p_videoram")  AM_MIRROR(0x1c00)
448	449	AM_RANGE( 0x02000, 0x03fff) AM_DEVREADWRITE("pia_0", pia6821_device, read, write)
449	450	AM_RANGE( 0x04000, 0x047ff) AM_ROM AM_REGION("maincpu", 0x10000) AM_MIRROR(0x1800)
450	451	AM_RANGE( 0x06800, 0x077ff) AM_ROM

src/mess/drivers/altair.c

r14900	r14901
29	29	: driver_device(mconfig, type, tag),
30	30	m_maincpu(*this, "maincpu"),
31	31	m_terminal(*this, TERMINAL_TAG)
32		{ }
	32	,
	33	m_ram(*this, "ram"){ }
33	34
34	35	required_device<cpu_device> m_maincpu;
35	36	required_device<generic_terminal_device> m_terminal;
r14900	r14901
39	40	DECLARE_WRITE8_MEMBER(sio_command_w);
40	41	DECLARE_WRITE8_MEMBER(kbd_put);
41	42	UINT8 m_term_data;
42		UINT8* m_ram;
	43	required_shared_ptr<UINT8> m_ram;
43	44	};
44	45
45	46
r14900	r14901
68	69
69	70	static ADDRESS_MAP_START(altair_mem, AS_PROGRAM, 8, altair_state)
70	71	ADDRESS_MAP_UNMAP_HIGH
71		AM_RANGE( 0x0000, 0xfcff ) AM_RAM AM_BASE(m_ram)
	72	AM_RANGE( 0x0000, 0xfcff ) AM_RAM AM_SHARE("ram")
72	73	AM_RANGE( 0xfd00, 0xfdff ) AM_ROM
73	74	AM_RANGE( 0xff00, 0xffff ) AM_ROM
74	75	ADDRESS_MAP_END

src/mess/drivers/supracan.c

r14900	r14901
117	117	public:
118	118	supracan_state(const machine_config &mconfig, device_type type, const char *tag)
119	119	: driver_device(mconfig, type, tag),
120		m_maincpu(*this, "maincpu")
	120	m_maincpu(*this, "maincpu"),
	121	m_soundram(*this, "soundram")
121	122	{
122	123	m_m6502_reset = 0;
123	124	}
r14900	r14901
139	140	acan_sprdma_regs_t m_acan_sprdma_regs;
140	141
141	142	UINT16 m_m6502_reset;
142		UINT8 *m_soundram;
	143	required_shared_ptr<UINT8> m_soundram;
143	144	UINT8 m_soundlatch;
144	145	UINT8 m_soundcpu_irq_src;
145	146	UINT8 m_sound_irq_enable_reg;
r14900	r14901
1214	1215	}
1215	1216
1216	1217	static ADDRESS_MAP_START( supracan_sound_mem, AS_PROGRAM, 8, supracan_state )
1217		AM_RANGE( 0x0000, 0xffff ) AM_READWRITE(supracan_6502_soundmem_r, supracan_6502_soundmem_w) AM_BASE(m_soundram)
	1218	AM_RANGE( 0x0000, 0xffff ) AM_READWRITE(supracan_6502_soundmem_r, supracan_6502_soundmem_w) AM_SHARE("soundram")
1218	1219	ADDRESS_MAP_END
1219	1220
1220	1221	static INPUT_PORTS_START( supracan )

src/mess/drivers/unior.c

r14900	r14901
41	41	{
42	42	public:
43	43	unior_state(const machine_config &mconfig, device_type type, const char *tag)
44		: driver_device(mconfig, type, tag) { }
	44	: driver_device(mconfig, type, tag) ,
	45	m_p_videoram(*this, "p_videoram"){ }
45	46
46	47	DECLARE_WRITE8_MEMBER(vram_w);
47	48	DECLARE_WRITE8_MEMBER(unior_4c_w);
r14900	r14901
50	51	DECLARE_WRITE8_MEMBER(unior_50_w);
51	52	DECLARE_WRITE8_MEMBER(unior_60_w);
52	53	UINT8 *m_p_vram;
53		UINT8 *m_p_videoram;
	54	required_shared_ptr<UINT8> m_p_videoram;
54	55	UINT8 *m_p_chargen;
55	56	UINT8 m_4c;
56	57	UINT8 m_cursor_col;
r14900	r14901
103	104	static ADDRESS_MAP_START( unior_mem, AS_PROGRAM, 8, unior_state )
104	105	ADDRESS_MAP_UNMAP_HIGH
105	106	AM_RANGE(0x0000, 0xf7af) AM_RAM
106		AM_RANGE(0xf7b0, 0xf7ff) AM_RAM AM_BASE(m_p_videoram) // status line
	107	AM_RANGE(0xf7b0, 0xf7ff) AM_RAM AM_SHARE("p_videoram") // status line
107	108	AM_RANGE(0xf800, 0xffff) AM_ROM AM_WRITE(vram_w) // main video
108	109	ADDRESS_MAP_END
109	110

src/mess/drivers/ec65.c

r14900	r14901
26	26	{
27	27	public:
28	28	ec65_state(const machine_config &mconfig, device_type type, const char *tag)
29		: driver_device(mconfig, type, tag) { }
	29	: driver_device(mconfig, type, tag) ,
	30	m_p_videoram(*this, "p_videoram"){ }
30	31
31	32	DECLARE_READ8_MEMBER(ec65_via_read_a);
32	33	DECLARE_READ8_MEMBER(ec65_read_ca1 );
r14900	r14901
34	35	DECLARE_WRITE8_MEMBER(ec65_via_write_a);
35	36	DECLARE_WRITE8_MEMBER(ec65_via_write_b);
36	37	UINT8 *m_p_chargen;
37		UINT8 *m_p_videoram;
	38	required_shared_ptr<UINT8> m_p_videoram;
38	39	};
39	40
40	41	static ADDRESS_MAP_START(ec65_mem, AS_PROGRAM, 8, ec65_state)
r14900	r14901
49	50	AM_RANGE(0xe140, 0xe140) AM_DEVWRITE(MC6845_TAG, mc6845_device, address_w)
50	51	AM_RANGE(0xe141, 0xe141) AM_DEVREADWRITE(MC6845_TAG, mc6845_device, register_r , register_w)
51	52	AM_RANGE(0xe400, 0xe7ff) AM_RAM // 1KB on-board RAM
52		AM_RANGE(0xe800, 0xefff) AM_RAM AM_BASE(m_p_videoram)
	53	AM_RANGE(0xe800, 0xefff) AM_RAM AM_SHARE("p_videoram")
53	54	AM_RANGE(0xf000, 0xffff) AM_ROM
54	55	ADDRESS_MAP_END
55	56

src/mess/drivers/cd2650.c

r14900	r14901
40	40	cd2650_state(const machine_config &mconfig, device_type type, const char *tag)
41	41	: driver_device(mconfig, type, tag),
42	42	m_maincpu(*this, "maincpu")
43		{ }
	43	,
	44	m_p_videoram(*this, "p_videoram"){ }
44	45
45	46	required_device<cpu_device> m_maincpu;
46	47	DECLARE_READ8_MEMBER( cd2650_keyin_r );
47	48	DECLARE_WRITE8_MEMBER( kbd_put );
48	49	const UINT8 *m_p_chargen;
49		const UINT8 *m_p_videoram;
	50	required_shared_ptr<const UINT8> m_p_videoram;
50	51	UINT8 m_term_data;
51	52	virtual void machine_reset();
52	53	virtual void video_start();
r14900	r14901
67	68	ADDRESS_MAP_UNMAP_HIGH
68	69	AM_RANGE( 0x0000, 0x03ff) AM_ROM
69	70	AM_RANGE( 0x0400, 0x0fff) AM_RAM
70		AM_RANGE( 0x1000, 0x17ff) AM_RAM AM_BASE(m_p_videoram)
	71	AM_RANGE( 0x1000, 0x17ff) AM_RAM AM_SHARE("p_videoram")
71	72	AM_RANGE( 0x1800, 0x7fff) AM_RAM // expansion ram? the system doesn't use it
72	73	ADDRESS_MAP_END
73	74

src/mess/drivers/pegasus.c

r14900	r14901
58	58	m_cass(*this, CASSETTE_TAG),
59	59	m_pia_s(*this, "pia_s"),
60	60	m_pia_u(*this, "pia_u")
61		{ }
	61	,
	62	m_p_videoram(*this, "p_videoram"){ }
62	63
63	64	required_device<cpu_device> m_maincpu;
64	65	required_device<cassette_image_device> m_cass;
r14900	r14901
77	78	UINT8 m_kbd_row;
78	79	bool m_kbd_irq;
79	80	UINT8 *m_p_pcgram;
80		const UINT8 *m_p_videoram;
	81	required_shared_ptr<const UINT8> m_p_videoram;
81	82	const UINT8 *m_p_chargen;
82	83	UINT8 m_control_bits;
83	84	virtual void machine_reset();
r14900	r14901
168	169	ADDRESS_MAP_UNMAP_HIGH
169	170	AM_RANGE(0x0000, 0x2fff) AM_ROM
170	171	AM_RANGE(0xb000, 0xbdff) AM_RAM
171		AM_RANGE(0xbe00, 0xbfff) AM_RAM AM_BASE(m_p_videoram)
	172	AM_RANGE(0xbe00, 0xbfff) AM_RAM AM_SHARE("p_videoram")
172	173	AM_RANGE(0xc000, 0xdfff) AM_ROM AM_WRITENOP
173	174	AM_RANGE(0xe000, 0xe1ff) AM_READ(pegasus_protection_r)
174	175	AM_RANGE(0xe200, 0xe3ff) AM_READWRITE(pegasus_pcg_r,pegasus_pcg_w)
r14900	r14901
181	182	ADDRESS_MAP_UNMAP_HIGH
182	183	AM_RANGE(0x0000, 0x2fff) AM_ROM
183	184	AM_RANGE(0x5000, 0xbdff) AM_RAM
184		AM_RANGE(0xbe00, 0xbfff) AM_RAM AM_BASE(m_p_videoram)
	185	AM_RANGE(0xbe00, 0xbfff) AM_RAM AM_SHARE("p_videoram")
185	186	AM_RANGE(0xc000, 0xdfff) AM_ROM AM_WRITENOP
186	187	AM_RANGE(0xe000, 0xe1ff) AM_READ(pegasus_protection_r)
187	188	AM_RANGE(0xe200, 0xe3ff) AM_READWRITE(pegasus_pcg_r,pegasus_pcg_w)

src/mess/drivers/sun1.c

r14900	r14901
61	61	: driver_device(mconfig, type, tag),
62	62	m_maincpu(*this, "maincpu"),
63	63	m_terminal(*this, TERMINAL_TAG)
64		{ }
	64	,
	65	m_p_ram(*this, "p_ram"){ }
65	66
66	67	required_device<cpu_device> m_maincpu;
67	68	required_device<generic_terminal_device> m_terminal;
r14900	r14901
69	70	DECLARE_WRITE16_MEMBER(sun1_upd7201_w);
70	71	DECLARE_WRITE8_MEMBER(kbd_put);
71	72	virtual void machine_reset();
72		UINT16* m_p_ram;
	73	required_shared_ptr<UINT16> m_p_ram;
73	74	UINT8 m_term_data;
74	75	};
75	76
r14900	r14901
99	100
100	101	static ADDRESS_MAP_START(sun1_mem, AS_PROGRAM, 16, sun1_state)
101	102	ADDRESS_MAP_UNMAP_HIGH
102		AM_RANGE(0x00000000, 0x001fffff) AM_RAM AM_BASE(m_p_ram) // 512 KB RAM / ROM at boot
	103	AM_RANGE(0x00000000, 0x001fffff) AM_RAM AM_SHARE("p_ram") // 512 KB RAM / ROM at boot
103	104	AM_RANGE(0x00200000, 0x00203fff) AM_ROM AM_REGION("user1",0)
104	105	AM_RANGE(0x00600000, 0x00600007) AM_READWRITE( sun1_upd7201_r, sun1_upd7201_w )
105	106	ADDRESS_MAP_END
r14900	r14901
113	114	{
114	115	UINT8* user1 = machine().region("user1")->base();
115	116
116		memcpy((UINT8*)m_p_ram,user1,0x4000);
	117	memcpy((UINT8*)m_p_ram.target(),user1,0x4000);
117	118
118	119	machine().device("maincpu")->reset();
119	120	m_term_data = 0;

src/mess/drivers/m79152pc.c

r14900	r14901
15	15	{
16	16	public:
17	17	m79152pc_state(const machine_config &mconfig, device_type type, const char *tag)
18		: driver_device(mconfig, type, tag) { }
	18	: driver_device(mconfig, type, tag) ,
	19	m_p_videoram(*this, "p_videoram"),
	20	m_p_attributes(*this, "p_attributes"){ }
19	21
20	22	UINT8 *m_p_chargen;
21		UINT8 *m_p_videoram;
22		UINT8 *m_p_attributes;
	23	required_shared_ptr<UINT8> m_p_videoram;
	24	required_shared_ptr<UINT8> m_p_attributes;
23	25	};
24	26
25	27	static ADDRESS_MAP_START(m79152pc_mem, AS_PROGRAM, 8, m79152pc_state)
26	28	ADDRESS_MAP_UNMAP_HIGH
27	29	AM_RANGE(0x0000, 0x3fff) AM_ROM
28	30	AM_RANGE(0x4000, 0x47ff) AM_RAM
29		AM_RANGE(0x8000, 0x8fff) AM_RAM AM_BASE(m_p_videoram)
30		AM_RANGE(0x9000, 0x9fff) AM_RAM AM_BASE(m_p_attributes)
	31	AM_RANGE(0x8000, 0x8fff) AM_RAM AM_SHARE("p_videoram")
	32	AM_RANGE(0x9000, 0x9fff) AM_RAM AM_SHARE("p_attributes")
31	33	ADDRESS_MAP_END
32	34
33	35	static ADDRESS_MAP_START( m79152pc_io, AS_IO, 8, m79152pc_state)

src/mess/drivers/scv.c

r14900	r14901
15	15	{
16	16	public:
17	17	scv_state(const machine_config &mconfig, device_type type, const char *tag)
18		: driver_device(mconfig, type, tag) { }
	18	: driver_device(mconfig, type, tag) ,
	19	m_p_videoram(*this, "p_videoram"){ }
19	20
20	21	DECLARE_WRITE8_MEMBER(scv_porta_w);
21	22	DECLARE_READ8_MEMBER(scv_portb_r);
r14900	r14901
24	25	DECLARE_WRITE8_MEMBER(scv_cart_ram_w);
25	26	DECLARE_WRITE8_MEMBER(scv_cart_ram2_w);
26	27	DECLARE_WRITE_LINE_MEMBER(scv_upd1771_ack_w);
27		UINT8 *m_p_videoram;
	28	required_shared_ptr<UINT8> m_p_videoram;
28	29	UINT8 m_porta;
29	30	UINT8 m_portc;
30	31	emu_timer *m_vb_timer;

src/mess/drivers/h19.c

r14900	r14901
52	52	m_crtc(*this, "crtc"),
53	53	m_ace(*this, "ins8250"),
54	54	m_beep(*this, BEEPER_TAG)
55		{ }
	55	,
	56	m_p_videoram(*this, "p_videoram"){ }
56	57
57	58	required_device<cpu_device> m_maincpu;
58	59	required_device<mc6845_device> m_crtc;
r14900	r14901
62	63	DECLARE_READ8_MEMBER(h19_a0_r);
63	64	DECLARE_WRITE8_MEMBER(h19_c0_w);
64	65	WRITE8_MEMBER(h19_kbd_put);
65		UINT8 *m_p_videoram;
	66	required_shared_ptr<UINT8> m_p_videoram;
66	67	UINT8 *m_p_chargen;
67	68	UINT8 m_term_data;
68	69	virtual void machine_reset();
r14900	r14901
107	108	ADDRESS_MAP_UNMAP_HIGH
108	109	AM_RANGE(0x0000, 0x1fff) AM_ROM
109	110	AM_RANGE(0x2000, 0xf7ff) AM_RAM
110		AM_RANGE(0xf800, 0xffff) AM_RAM AM_BASE(m_p_videoram)
	111	AM_RANGE(0xf800, 0xffff) AM_RAM AM_SHARE("p_videoram")
111	112	ADDRESS_MAP_END
112	113
113	114	static ADDRESS_MAP_START( h19_io, AS_IO, 8, h19_state)

src/mess/drivers/mbc200.c

r14900	r14901
42	42	m_ppi(*this, "ppi8255_2"),
43	43	m_floppy0(*this, FLOPPY_0),
44	44	m_floppy1(*this, FLOPPY_1)
45		{ }
	45	,
	46	m_vram(*this, "vram"){ }
46	47
47	48	virtual void machine_start();
48	49
r14900	r14901
58	59
59	60	UINT8 m_hs_bit;
60	61	UINT8 m_comm_latch;
61		UINT8 *m_vram;
	62	required_shared_ptr<UINT8> m_vram;
62	63
63	64	};
64	65
r14900	r14901
92	93	ADDRESS_MAP_UNMAP_HIGH
93	94	AM_RANGE( 0x0000, 0x2fff ) AM_ROM
94	95	AM_RANGE( 0x3000, 0x7fff ) AM_RAM
95		AM_RANGE( 0x8000, 0xffff ) AM_RAM AM_BASE(m_vram)
	96	AM_RANGE( 0x8000, 0xffff ) AM_RAM AM_SHARE("vram")
96	97	ADDRESS_MAP_END
97	98
98	99	READ8_MEMBER(mbc200_state::from_master_r)

src/mess/drivers/zrt80.c

r14900	r14901
33	33	m_crtc(*this, "crtc"),
34	34	m_8250(*this, "ins8250"),
35	35	m_beep(*this, BEEPER_TAG)
36		{ }
	36	,
	37	m_p_videoram(*this, "p_videoram"){ }
37	38
38	39	required_device<cpu_device> m_maincpu;
39	40	required_device<mc6845_device> m_crtc;
r14900	r14901
44	45	DECLARE_WRITE8_MEMBER( zrt80_38_w );
45	46	DECLARE_WRITE8_MEMBER( kbd_put );
46	47	UINT8 m_term_data;
47		const UINT8 *m_p_videoram;
	48	required_shared_ptr<const UINT8> m_p_videoram;
48	49	const UINT8 *m_p_chargen;
49	50	virtual void machine_reset();
50	51	virtual void video_start();
r14900	r14901
81	82	AM_RANGE(0x1000, 0x1fff) AM_ROM // Z24 - Expansion
82	83	AM_RANGE(0x4000, 0x43ff) AM_RAM   // Board RAM
83	84	// Normally video RAM is 0x800 but could be expanded up to 8K
84		AM_RANGE(0xc000, 0xdfff) AM_RAM   AM_BASE(m_p_videoram) // Video RAM
	85	AM_RANGE(0xc000, 0xdfff) AM_RAM   AM_SHARE("p_videoram") // Video RAM
85	86
86	87	ADDRESS_MAP_END
87	88

src/mess/drivers/ptcsol.c

r14900	r14901
136	136	m_cass2(*this, CASSETTE2_TAG),
137	137	m_uart(*this, "uart"),
138	138	m_uart_s(*this, "uart_s")
139		{ }
	139	,
	140	m_p_videoram(*this, "p_videoram"){ }
140	141
141	142	required_device<cpu_device> m_maincpu;
142	143	required_device<cassette_image_device> m_cass1;
r14900	r14901
160	161	UINT8 m_sol20_fc;
161	162	UINT8 m_sol20_fe;
162	163	const UINT8 *m_p_chargen;
163		const UINT8 *m_p_videoram;
	164	required_shared_ptr<const UINT8> m_p_videoram;
164	165	UINT8 m_framecnt;
165	166	emu_timer *m_cassette_timer;
166	167	cass_data_t m_cass_data;
r14900	r14901
396	397	AM_RANGE(0X0800, 0Xbfff) AM_RAM   // optional s100 ram
397	398	AM_RANGE(0xc000, 0xc7ff) AM_ROM
398	399	AM_RANGE(0Xc800, 0Xcbff) AM_RAM   // system ram
399		AM_RANGE(0Xcc00, 0Xcfff) AM_RAM   AM_BASE(m_p_videoram)
	400	AM_RANGE(0Xcc00, 0Xcfff) AM_RAM   AM_SHARE("p_videoram")
400	401	AM_RANGE(0Xd000, 0Xffff) AM_RAM   // optional s100 ram
401	402	ADDRESS_MAP_END
402	403

src/mess/drivers/alphatro.c

r14900	r14901
42	42	m_crtc(*this, "crtc"),
43	43	m_usart(*this, "usart"),
44	44	m_cass(*this, CASSETTE_TAG),
45		m_beep(*this, BEEPER_TAG)
46		{ }
	45	m_beep(*this, BEEPER_TAG),
	46	m_p_ram(*this, "p_ram"),
	47	m_p_videoram(*this, "p_videoram"){ }
47	48
48	49	required_device<cpu_device> m_maincpu;
49	50	required_device<mc6845_device> m_crtc;
r14900	r14901
57	58	DECLARE_READ_LINE_MEMBER(rxdata_callback);
58	59	DECLARE_WRITE_LINE_MEMBER(txdata_callback);
59	60
	61	required_shared_ptr<UINT8> m_p_ram;
	62	required_shared_ptr<UINT8> m_p_videoram;
60	63	emu_timer* m_sys_timer;
61	64	emu_timer* m_serial_timer;  // for the usart
62		UINT8 *m_p_videoram;
63	65	UINT8 *m_p_chargen;
64		UINT8 *m_p_ram;
65	66	virtual void video_start();
66	67	virtual void machine_start();
67	68	virtual void machine_reset();
r14900	r14901
181	182	}
182	183
183	184	static ADDRESS_MAP_START( alphatro_map, AS_PROGRAM, 8, alphatro_state )
184		AM_RANGE(0x0000, 0xefff) AM_RAM AM_BASE(m_p_ram)
185		AM_RANGE(0xf000, 0xffff) AM_RAM AM_BASE(m_p_videoram)
	185	AM_RANGE(0x0000, 0xefff) AM_RAM AM_SHARE("p_ram")
	186	AM_RANGE(0xf000, 0xffff) AM_RAM AM_SHARE("p_videoram")
186	187	ADDRESS_MAP_END
187	188
188	189	static ADDRESS_MAP_START( alphatro_io, AS_IO, 8, alphatro_state )

src/mess/drivers/pcm.c

r14900	r14901
80	80	m_ctc_u(*this, "z80ctc_u"),
81	81	m_speaker(*this, SPEAKER_TAG),
82	82	m_cass(*this, CASSETTE_TAG)
83		{ }
	83	,
	84	m_p_videoram(*this, "p_videoram"){ }
84	85
85	86	required_device<cpu_device> m_maincpu;
86	87	required_device<device_t> m_pio_s;
r14900	r14901
96	97	DECLARE_WRITE8_MEMBER( pcm_85_w );
97	98	DECLARE_WRITE8_MEMBER( kbd_put );
98	99	UINT8 *m_p_chargen;
99		UINT8 *m_p_videoram;
	100	required_shared_ptr<UINT8> m_p_videoram;
100	101	UINT8 m_term_data;
101	102	UINT8 m_step;
102	103	UINT8 m_85;
r14900	r14901
169	170	ADDRESS_MAP_UNMAP_HIGH
170	171	AM_RANGE( 0x0000, 0x1fff ) AM_ROM  // ROM
171	172	AM_RANGE( 0x2000, 0xf7ff ) AM_RAM  // RAM
172		AM_RANGE( 0xf800, 0xffff ) AM_RAM AM_BASE(m_p_videoram) // Video RAM
	173	AM_RANGE( 0xf800, 0xffff ) AM_RAM AM_SHARE("p_videoram") // Video RAM
173	174	ADDRESS_MAP_END
174	175
175	176	static ADDRESS_MAP_START(pcm_io, AS_IO, 8, pcm_state)

src/mess/drivers/dmv.c

r14900	r14901
25	25	m_dmac(*this, "dma8237"),
26	26	m_floppy0(*this, FLOPPY_0),
27	27	m_floppy1(*this, FLOPPY_1)
28		{ }
	28	,
	29	m_video_ram(*this, "video_ram"){ }
29	30
30	31	required_device<cpu_device> m_maincpu;
31	32	required_device<upd7220_device> m_hgdc;
r14900	r14901
41	42	DECLARE_WRITE8_MEMBER(fdd_motor_w);
42	43	DECLARE_READ8_MEMBER(sys_status_r);
43	44
44		UINT8 *      m_video_ram;
	45	required_shared_ptr<UINT8> m_video_ram;
45	46	int       m_fdc_int_line;
46	47	};
47	48
r14900	r14901
144	145
145	146	static ADDRESS_MAP_START( upd7220_map, AS_0, 8, dmv_state )
146	147	ADDRESS_MAP_GLOBAL_MASK(0x1ffff)
147		AM_RANGE(0x00000, 0x1ffff) AM_RAM  AM_BASE(m_video_ram)
	148	AM_RANGE(0x00000, 0x1ffff) AM_RAM  AM_SHARE("video_ram")
148	149	ADDRESS_MAP_END
149	150
150	151	/* Input ports */

src/mess/drivers/sun2.c

r14900	r14901
80	80	sun2_state(const machine_config &mconfig, device_type type, const char *tag)
81	81	: driver_device(mconfig, type, tag),
82	82	m_maincpu(*this, "maincpu")
83		{ }
	83	,
	84	m_p_ram(*this, "p_ram"){ }
84	85
85	86	required_device<cpu_device> m_maincpu;
86	87	virtual void machine_reset();
87	88
88		UINT16* m_p_ram;
	89	required_shared_ptr<UINT16> m_p_ram;
89	90	};
90	91
91	92	static ADDRESS_MAP_START(sun2_mem, AS_PROGRAM, 16, sun2_state)
92	93	ADDRESS_MAP_UNMAP_HIGH
93		AM_RANGE(0x00000000, 0x007fffff) AM_RAM AM_BASE(m_p_ram) // 8MB
	94	AM_RANGE(0x00000000, 0x007fffff) AM_RAM AM_SHARE("p_ram") // 8MB
94	95	AM_RANGE(0x00ef0000, 0x00ef7fff) AM_ROM AM_REGION("user1",0)
95	96	ADDRESS_MAP_END
96	97
r14900	r14901
103	104	{
104	105	UINT8* user1 = machine().region("user1")->base();
105	106
106		memcpy((UINT8*)m_p_ram,user1,0x8000);
	107	memcpy((UINT8*)m_p_ram.target(),user1,0x8000);
107	108
108	109	machine().device("maincpu")->reset();
109	110	}

src/mess/drivers/b16.c

r14900	r14901
24	24	{
25	25	public:
26	26	b16_state(const machine_config &mconfig, device_type type, const char *tag)
27		: driver_device(mconfig, type, tag) { }
	27	: driver_device(mconfig, type, tag) ,
	28	m_vram(*this, "vram"){ }
28	29
29	30	UINT8 *m_char_rom;
30		UINT16 *m_vram;
	31	required_shared_ptr<UINT16> m_vram;
31	32	UINT8 m_crtc_vreg[0x100],m_crtc_index;
32	33
33	34	DECLARE_READ16_MEMBER(vblank_r);
r14900	r14901
111	112	ADDRESS_MAP_UNMAP_HIGH
112	113	AM_RANGE( 0x00000, 0x9ffff ) AM_RAM // probably not all of it.
113	114	AM_RANGE( 0xa0000, 0xaffff ) AM_RAM // bitmap?
114		AM_RANGE( 0xb0000, 0xb7fff ) AM_RAM AM_BASE(m_vram) // tvram
	115	AM_RANGE( 0xb0000, 0xb7fff ) AM_RAM AM_SHARE("vram") // tvram
115	116	AM_RANGE( 0xb8000, 0xbbfff ) AM_WRITE8(b16_pcg_w,0x00ff) // pcg
116	117	AM_RANGE( 0xfc000, 0xfffff ) AM_ROM AM_REGION("ipl",0)
117	118	ADDRESS_MAP_END

src/mess/drivers/argo.c

r14900	r14901
34	34	argo_state(const machine_config &mconfig, device_type type, const char *tag)
35	35	: driver_device(mconfig, type, tag),
36	36	m_maincpu(*this, "maincpu")
37		{ }
	37	,
	38	m_p_videoram(*this, "p_videoram"){ }
38	39
39	40	required_device<cpu_device> m_maincpu;
40	41	DECLARE_WRITE8_MEMBER(argo_videoram_w);
41	42	DECLARE_READ8_MEMBER(argo_io_r);
42	43	DECLARE_WRITE8_MEMBER(argo_io_w);
43		UINT8 *m_p_videoram;
	44	required_shared_ptr<UINT8> m_p_videoram;
44	45	const UINT8 *m_p_chargen;
45	46	UINT8 m_framecnt;
46	47	UINT8 m_cursor_pos[3];
r14900	r14901
135	136	ADDRESS_MAP_UNMAP_HIGH
136	137	AM_RANGE(0x0000, 0x07ff) AM_RAMBANK("boot")
137	138	AM_RANGE(0x0800, 0xf7af) AM_RAM
138		AM_RANGE(0xf7b0, 0xf7ff) AM_RAM AM_BASE(m_p_videoram)
	139	AM_RANGE(0xf7b0, 0xf7ff) AM_RAM AM_SHARE("p_videoram")
139	140	AM_RANGE(0xf800, 0xffff) AM_ROM AM_WRITE(argo_videoram_w)
140	141	ADDRESS_MAP_END
141	142

src/mess/drivers/bmjr.c

r14900	r14901
27	27	m_maincpu(*this, "maincpu"),
28	28	m_cass(*this, CASSETTE_TAG),
29	29	m_beep(*this, BEEPER_TAG)
30		{ }
	30	,
	31	m_p_wram(*this, "p_wram"){ }
31	32
32	33	required_device<cpu_device> m_maincpu;
33	34	required_device<cassette_image_device> m_cass;
r14900	r14901
42	43	DECLARE_READ8_MEMBER(tape_start_r);
43	44	DECLARE_WRITE8_MEMBER(xor_display_w);
44	45	bool m_tape_switch;
45		UINT8 *m_p_wram;
	46	required_shared_ptr<UINT8> m_p_wram;
46	47	UINT8 *m_p_chargen;
47	48	UINT8 m_xor_display;
48	49	UINT8 m_key_mux;
r14900	r14901
162	163	//0x0100, 0x03ff basic vram
163	164	//0x0900, 0x20ff vram, modes 0x40 / 0xc0
164	165	//0x2100, 0x38ff vram, modes 0x44 / 0xcc
165		AM_RANGE(0x0000, 0xafff) AM_RAM AM_BASE(m_p_wram)
	166	AM_RANGE(0x0000, 0xafff) AM_RAM AM_SHARE("p_wram")
166	167	AM_RANGE(0xb000, 0xdfff) AM_ROM
167	168	AM_RANGE(0xe000, 0xe7ff) AM_ROM
168	169	//  AM_RANGE(0xe890, 0xe890) W MP-1710 tile color

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