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r21558 Monday 4th March, 2013 at 09:08:17 UTC by Robbbert
New WORKING game [Robbbert]
------------------------------

Williams 6-in-1 Multigame
[src/mame]mame.lst mame.mak
[src/mame/drivers]wmg.c*

trunk/src/mame/mame.lst
r21557r21558
27362736inferno         // (c) 1984
27372737joust2          // (c) 1986
27382738lottofun        // (c) 1987 H.A.R. Management
2739wmg             // Williams 6in1 Multigame, Clay Cowgill
27392740
2741
27402742// Capcom games
27412743// The following is a COMPLETE list of the Capcom games up to 1997, as shown on
27422744// their web site. The list is sorted by production date.
trunk/src/mame/mame.mak
r21557r21558
10371037   $(DRIVERS)/omegrace.o \
10381038   $(DRIVERS)/seattle.o \
10391039   $(DRIVERS)/tmaster.o \
1040   $(DRIVERS)/vegas.o \
1040   $(DRIVERS)/vegas.o $(DRIVERS)/wmg.o \
10411041   $(DRIVERS)/williams.o $(MACHINE)/williams.o $(AUDIO)/williams.o $(VIDEO)/williams.o \
10421042   $(MACHINE)/midwayic.o \
10431043   $(AUDIO)/dcs.o \
trunk/src/mame/drivers/wmg.c
r0r21558
1/**************************************************************
2 *
3 *  Williams Multigame (6-game version) driver, by Robbbert,
4 *    2007/2008.
5 *
6 *  Thanks to assistance from Peale.
7 *
8 **************************************************************/
9
10/*********************************************************************************************************
11
12Game numbers:
13   0 = The Menu
14   1 = robotron
15   2 = joustr
16   3 = stargate
17   4 = bubbles
18   5 = defender
19   6 = splat
20   7 = spare position (duplicate of bubbles)
21
22Some documents can be downloaded from http://www.multigame.com/williams.html
23
24Hardware features:
25
26There are 3 boards - the CPU board, the Sound board, and the Widget board.
27
28- The Sound board only has the new sound ROM. The sounds are selected via the bank number from C400.
29
30- The Widget board has the joysticks and buttons connected to it. These are steered to the correct
31   inputs by a custom-programmed large square XC9572 84-pin chip. This is also controlled by
32   the bank number from C400.
33
34- The CPU board has 3 components:
35-- A DS1225AD 8k x 8 NVRAM. Like the other chips, it is banked, giving each game its own save area.
36-- The new cpu ROM, containing code for the 6 games and the menu. Splat and Defender are slightly
37   modified to work properly on the Robotron hardware. Splat is converted from SC2 to SC1; while
38   Defender has the I/O devices remapped to suit the hardware.
39-- A square custom-programmed 44-pin chip (number rubbed off), which performs all the bank-switching,
40   the special changes for Defender, the lock feature, and the sound cpu reset. It is not known
41   which square chip detects and acts on the P1+P2 reset.
42
43
44Setting it up:
45
46    When you first start WMG, you need to initialise the NVRAM properly. Do this by starting wmg,
47    pressing 1 to cycle through the games list, pressing 2 to run the game. When it says "FACTORY
48    SETTINGS RESTORED", press F3 to return to the menu. Repeat this procedure for all 6 games.
49    After that, quit wmg, then restart. On the Setup menu you can personalise the settings with
50    the 1 and 2 keys. The inputs default to be the same as on the original hardware. You may
51    change any input individually for each game. Note that the WMG hardware has the Flap and
52    Inviso buttons wired together. JOUST can be played by 2 players at the same time, player 1
53    uses the left joystick and the Flap button, while player 2 uses the right joystick and the
54    Fire button. SPLAT would normally require 4 joysticks, but since the WMG only has 2, it is
55    limited to a one-player game. Cocktail mode is not supported, WMG must be played on an upright
56    only. After playing a game, returning to the menu will return to the place you left from. You
57    can force a return to the Setup by holding F1 and pressing F3. You can also clear out the
58    menu's NVRAM (not the game's NVRAM), by holding down L and pressing F3.
59
60ToDo:
61
62The game works perfectly. However the code is a bit of a bodge-job, originally for MisfitMAME 0.127.E,
63then updated for HBMAME 0.148u1. It could do with a cleanup, and removal of the various hacks. Support
64of save-state is also needed.
65
66
67***********************************************************************************************************/
68
69#include "includes/williams.h"
70#include "cpu/m6800/m6800.h"
71#include "machine/nvram.h"
72
73#define MASTER_CLOCK        (XTAL_12MHz)
74#define SOUND_CLOCK         (XTAL_3_579545MHz)
75
76class wmg_state : public williams_state
77{
78public:
79   wmg_state(const machine_config &mconfig, device_type type, const char *tag)
80      : williams_state(mconfig, type, tag)
81      , m_maincpu(*this, "maincpu")
82      , m_soundcpu(*this, "soundcpu")
83      , m_p_ram(*this, "nvram")
84   { }
85
86   DECLARE_WRITE8_MEMBER(wmg_rombank_w);
87   DECLARE_MACHINE_RESET(wmg);
88   DECLARE_DRIVER_INIT(wmg);
89   UINT8 m_wmg_bank;
90   UINT8 m_wmg_def_bank;
91   UINT8 m_wmg_port_select;
92   UINT8 m_wmg_vram_bank;
93   DECLARE_READ8_MEMBER(wmg_nvram_r);
94   DECLARE_WRITE8_MEMBER(wmg_nvram_w);
95   DECLARE_READ8_MEMBER(wmg_pia_0_r);
96   DECLARE_WRITE8_MEMBER(wmg_def_rombank_w);
97   DECLARE_WRITE8_MEMBER(wmg_port_select_w);
98   DECLARE_WRITE8_MEMBER(wmg_sound_reset_w);
99   DECLARE_WRITE8_MEMBER(wmg_vram_select_w);
100   DECLARE_CUSTOM_INPUT_MEMBER(wmg_mux_r);
101   void wmg_def_install_io_space(address_space &space);
102   required_device<cpu_device> m_maincpu;
103   required_device<cpu_device> m_soundcpu;
104   required_shared_ptr<UINT8> m_p_ram;
105};
106
107
108/*************************************
109 *
110 *  NVRAM (8k x 8), banked
111 *
112 *************************************/
113READ8_MEMBER( wmg_state::wmg_nvram_r )
114{
115   return m_p_ram[offset+(m_wmg_bank<<10)];
116}
117
118WRITE8_MEMBER( wmg_state::wmg_nvram_w )
119{
120   m_p_ram[offset+(m_wmg_bank<<10)] = data;
121}
122
123/*************************************
124 *
125 *  Bankswitching
126 *
127 *************************************/
128
129/* switches the banks around when given a game number.
130   The hardware has a lock feature, so that once a bank is selected, the next choice must be the menu */
131
132WRITE8_MEMBER( wmg_state::wmg_rombank_w )
133{
134   address_space &space1 = m_maincpu->space(AS_PROGRAM);
135   UINT8 *RAM = memregion("maincpu")->base();
136
137   data &= 7;
138
139   if ((!data) || (!m_wmg_bank))   // we must be going to/from the menu
140   {
141      m_wmg_bank = data;
142      wmg_def_rombank_w( space1, 0, 0);
143      memcpy( &RAM[0x10000], &RAM[(data << 16) + 0x20000], 0x9000 );      /* Gfx etc */
144      membank("bank5")->set_entry(data);      /* Code */
145      membank("bank6")->set_entry(data);      /* Sound */
146   }
147}
148
149WRITE8_MEMBER( wmg_state::wmg_sound_reset_w )
150{
151   /* This resets the sound card when bit 0 is low */
152   if (!BIT(data, 0)) m_soundcpu->reset();
153}
154
155WRITE8_MEMBER( wmg_state::wmg_vram_select_w )
156{
157   /* VRAM/ROM banking from bit 0 */
158   m_wmg_vram_bank = BIT(data, 0);
159   membank("bank1")->set_entry(m_wmg_vram_bank);
160
161   /* cocktail flip from bit 1 */
162   m_cocktail = BIT(data, 1);
163}
164
165void wmg_state::wmg_def_install_io_space(address_space &space)
166{
167   williams_state *state = space.machine().driver_data<williams_state>();
168   pia6821_device *pia_0 = space.machine().device<pia6821_device>("pia_0");
169   pia6821_device *pia_1 = space.machine().device<pia6821_device>("pia_1");
170
171   /* this routine dynamically installs the memory mapped above from c000-cfff */
172   space.install_write_bank       (0xc000, 0xc00f, 0, 0, "bank4");
173   space.install_write_handler    (0xc010, 0xc01f, write8_delegate(FUNC(williams_state::defender_video_control_w),this));
174   space.install_write_handler    (0xc400, 0xc400, write8_delegate(FUNC(wmg_state::wmg_rombank_w),this));
175   space.install_write_handler    (0xc401, 0xc401, write8_delegate(FUNC(wmg_state::wmg_sound_reset_w),this));
176   space.install_readwrite_handler(0xc804, 0xc807, read8_delegate(FUNC(wmg_state::wmg_pia_0_r),this), write8_delegate(FUNC(pia6821_device::write), pia_0));
177   space.install_readwrite_handler(0xc80c, 0xc80f, read8_delegate(FUNC(pia6821_device::read), pia_1), write8_delegate(FUNC(pia6821_device::write), pia_1));
178   space.install_write_handler    (0xc900, 0xc9ff, write8_delegate(FUNC(wmg_state::wmg_vram_select_w),this));
179   space.install_write_handler    (0xca00, 0xca07, write8_delegate(FUNC(williams_state::williams_blitter_w),this));
180   space.install_write_handler    (0xcbff, 0xcbff, write8_delegate(FUNC(williams_state::williams_watchdog_reset_w),this));
181   space.install_read_handler     (0xcb00, 0xcbff, read8_delegate(FUNC(williams_state::williams_video_counter_r),this));
182   space.install_readwrite_handler(0xcc00, 0xcfff, read8_delegate(FUNC(wmg_state::wmg_nvram_r), this), write8_delegate(FUNC(wmg_state::wmg_nvram_w),this));
183   membank("bank4")->set_base(state->m_generic_paletteram_8);
184}
185
186WRITE8_MEMBER( wmg_state::wmg_def_rombank_w )
187{
188   address_space &space1 = m_maincpu->space(AS_PROGRAM);
189   data &= 15;
190   if ((m_wmg_def_bank != data) && (m_wmg_bank == 5) && (data))
191   {
192      m_wmg_def_bank = data;
193
194      /* set bank address */
195      switch (data)
196      {
197         /* pages 1,2,3,7 map to ROM banks */
198         case 1:
199         case 2:
200         case 3:
201            space1.install_read_bank(0xc000, 0xcfff, 0, 0, "bank7");
202            space1.unmap_write(0xc000, 0xcfff);
203            membank("bank7")->set_entry(data);
204            break;
205
206         case 7:
207            space1.install_read_bank(0xc000, 0xcfff, 0, 0, "bank7");
208            space1.unmap_write(0xc000, 0xcfff);
209            membank("bank7")->set_entry(4);
210            break;
211
212         default:
213            printf("Unknown bank %X selected\n",data);
214      }
215   }
216   else
217   if ((m_wmg_def_bank != data) && (!data))
218   {
219      /* page 0 is I/O space */
220      m_wmg_def_bank = data;
221      wmg_def_install_io_space(space1);
222   }
223}
224
225
226MACHINE_RESET_MEMBER( wmg_state, wmg )
227{
228   address_space &space1 = m_maincpu->space(AS_PROGRAM);
229   m_wmg_bank=0;
230   m_wmg_def_bank=8;
231   m_wmg_port_select=0;
232   m_wmg_vram_bank=0;
233   wmg_rombank_w( space1, 0, 0);
234   MACHINE_RESET_CALL_MEMBER(williams_common);
235   m_maincpu->reset();
236}
237
238/*************************************
239 *
240 *  Input selector code
241 *
242 *************************************/
243
244WRITE8_MEMBER( wmg_state::wmg_port_select_w )
245{
246   m_wmg_port_select = data | (m_wmg_bank << 1);
247}
248
249CUSTOM_INPUT_MEMBER(wmg_state::wmg_mux_r)
250{
251   UINT8 i;
252   const char *tag = (const char *)param;
253
254   if (m_wmg_port_select)
255      for (i = 0; i < m_wmg_port_select; i++)
256         tag += strlen(tag) + 1;
257
258   return ioport(tag)->read();
259}
260
261static const pia6821_interface wmg_muxed_pia_0_intf =
262{
263   /*inputs : A/B,CA/B1,CA/B2 */ DEVCB_INPUT_PORT("IN0"), DEVCB_INPUT_PORT("IN1"), DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL,
264   /*outputs: A/B,CA/B2       */ DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_DRIVER_MEMBER(wmg_state, wmg_port_select_w),
265   /*irqs   : A/B             */ DEVCB_NULL, DEVCB_NULL
266};
267
268READ8_MEMBER( wmg_state::wmg_pia_0_r )
269{
270/* if player presses P1 and P2 in a game, return to the menu.
271   Since there is no code in rom to handle this, it must be a hardware feature
272   which probably just resets the cpu. */
273
274   address_space &space1 = m_maincpu->space(AS_PROGRAM);
275   pia6821_device *pia_0 = space1.machine().device<pia6821_device>("pia_0");
276   UINT8 data = pia_0->read(space1, offset);
277
278   if ((m_wmg_bank) && (!offset) && ((data & 0x30) == 0x30))   // P1 and P2 pressed
279   {
280      wmg_rombank_w( space1, 0, 0);
281      m_maincpu->reset();
282   }
283
284   return data;
285}
286
287/*************************************
288 *
289 *  Address Map
290 *
291 *************************************/
292static ADDRESS_MAP_START( wmg_cpu1, AS_PROGRAM, 8, wmg_state )
293   AM_RANGE(0x0000, 0x8fff) AM_READ_BANK("bank1") AM_WRITEONLY AM_SHARE("videoram")
294   AM_RANGE(0x9000, 0xbfff) AM_RAM
295   AM_RANGE(0xc000, 0xcfff) AM_ROMBANK("bank7")
296   AM_RANGE(0xd000, 0xffff) AM_ROMBANK("bank5")
297   AM_RANGE(0xd000, 0xd000) AM_WRITE(wmg_def_rombank_w)
298ADDRESS_MAP_END
299
300static ADDRESS_MAP_START( wmg_cpu2, AS_PROGRAM, 8, wmg_state )
301   AM_RANGE(0x0000, 0x007f) AM_RAM      /* internal RAM */
302   AM_RANGE(0x0080, 0x00ff) AM_RAM      /* MC6810 RAM */
303   AM_RANGE(0x0400, 0x0403) AM_MIRROR(0x8000) AM_DEVREADWRITE("pia_2", pia6821_device, read, write)
304/* These next 2 are actually banked in CPU 1, but its not something Mame can handle very well. Placed here instead. */
305   AM_RANGE(0xc000, 0xc00f) AM_MIRROR(0x03f0) AM_WRITEONLY AM_SHARE("paletteram")
306   AM_RANGE(0xd000, 0xefff) AM_RAM AM_SHARE("nvram")
307   AM_RANGE(0xf000, 0xffff) AM_ROMBANK("bank6")
308ADDRESS_MAP_END
309
310/******************************************
311 *
312 *  Inputs, banked. One set for each game.
313 *
314 ******************************************/
315static INPUT_PORTS_START( wmg )
316   PORT_START("IN0")
317   PORT_BIT( 0xff, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, wmg_state, wmg_mux_r, "IN000\0IN000\0IN100\0IN100\0IN202\0IN201\0IN300\0IN300\0IN400\0IN400\0IN500\0IN500\0IN602\0IN601\0IN400\0IN400")
318
319   PORT_START("IN1")
320   PORT_BIT( 0xff, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, wmg_state, wmg_mux_r, "IN010\0IN010\0IN110\0IN110\0IN210\0IN210\0IN310\0IN310\0IN410\0IN410\0IN510\0IN510\0IN612\0IN611\0IN410\0IN410")
321
322   PORT_START("IN2")
323   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Auto Up") PORT_CODE(KEYCODE_F1)
324   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Advance") PORT_CODE(KEYCODE_F2)
325   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_COIN3 )
326   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("High Score Reset") PORT_CODE(KEYCODE_9)
327   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_COIN1 )
328   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_COIN2 )
329   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_TILT )
330   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN )
331
332/* menu */
333   PORT_START("IN000")
334   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICKLEFT_UP ) PORT_8WAY PORT_NAME("Menu/Left/Up")
335   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICKLEFT_DOWN ) PORT_8WAY PORT_NAME("Menu/Left/Down")
336   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICKLEFT_LEFT ) PORT_8WAY PORT_NAME("Menu/Left/Left")
337   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICKLEFT_RIGHT ) PORT_8WAY PORT_NAME("Menu/Left/Right")
338   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_START1 )
339   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_START2 )
340   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICKRIGHT_UP ) PORT_8WAY PORT_NAME("Menu/Right/Up")
341   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICKRIGHT_DOWN ) PORT_8WAY PORT_NAME("Menu/Right/Down")
342
343   PORT_START("IN010")
344   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICKRIGHT_LEFT ) PORT_8WAY PORT_NAME("Menu/Right/Left")
345   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICKRIGHT_RIGHT ) PORT_8WAY PORT_NAME("Menu/Right/Right")
346   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("Menu/Fire")
347   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("Menu/Thrust")
348   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("Menu/Smart Bomb")
349   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_NAME("Menu/Hyperspace")
350   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON5 ) PORT_NAME("Menu/Reverse")
351   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON6 ) PORT_NAME("Menu/Inviso or Flap")
352
353/* robotron */
354   PORT_START("IN100")
355   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICKLEFT_UP ) PORT_8WAY PORT_NAME("Robotron/Left/Up")
356   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICKLEFT_DOWN ) PORT_8WAY PORT_NAME("Robotron/Left/Down")
357   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICKLEFT_LEFT ) PORT_8WAY PORT_NAME("Robotron/Left/Left")
358   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICKLEFT_RIGHT ) PORT_8WAY PORT_NAME("Robotron/Left/Right")
359   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_START2 )
360   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_START1 )
361   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICKRIGHT_UP ) PORT_8WAY PORT_NAME("Robotron/Right/Up")
362   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICKRIGHT_DOWN ) PORT_8WAY PORT_NAME("Robotron/Right/Down")
363
364   PORT_START("IN110")
365   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICKRIGHT_LEFT ) PORT_8WAY PORT_NAME("Robotron/Right/Left")
366   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICKRIGHT_RIGHT ) PORT_8WAY PORT_NAME("Robotron/Right/Right")
367   PORT_BIT( 0xfc, IP_ACTIVE_HIGH, IPT_UNKNOWN )
368
369/* joust */
370   PORT_START("IN201") /* muxed into IN0 */
371   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICKLEFT_LEFT ) PORT_2WAY PORT_NAME("Joust/P1/Left")
372   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICKLEFT_RIGHT ) PORT_2WAY PORT_NAME("Joust/P1/Right")
373   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON6 ) PORT_NAME("Joust/P1/Flap")
374   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_START2 )
375   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_START1 )
376   PORT_BIT( 0xc8, IP_ACTIVE_HIGH, IPT_UNUSED )
377
378   PORT_START("IN202") /* muxed into IN0 */
379   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICKRIGHT_LEFT ) PORT_2WAY PORT_NAME("Joust/P2/Left")
380   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICKRIGHT_RIGHT ) PORT_2WAY PORT_NAME("Joust/P2/Right")
381   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("Joust/P2/Flap")
382   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_START2 )
383   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_START1 )
384   PORT_BIT( 0xc8, IP_ACTIVE_HIGH, IPT_UNUSED )
385
386   PORT_START("IN210")
387   PORT_BIT( 0xff, IP_ACTIVE_HIGH, IPT_UNUSED )
388
389/* stargate */
390   PORT_START("IN300")
391   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("Stargate/Fire")
392   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("Stargate/Thrust")
393   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("Stargate/Smart Bomb")
394   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_NAME("Stargate/Hyperspace")
395   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_START2 )
396   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_START1 )
397   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON5 ) PORT_NAME("Stargate/Reverse")
398   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICKLEFT_DOWN ) PORT_2WAY PORT_NAME("Stargate/Down")
399
400   PORT_START("IN310")
401   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICKLEFT_UP ) PORT_2WAY PORT_NAME("Stargate/Up")
402   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON6 ) PORT_NAME("Stargate/Inviso")
403   PORT_BIT( 0xfc, IP_ACTIVE_HIGH, IPT_UNKNOWN )
404
405/* bubbles */
406   PORT_START("IN400")
407   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICKLEFT_UP ) PORT_8WAY PORT_NAME("Bubbles/Up")
408   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICKLEFT_DOWN ) PORT_8WAY PORT_NAME("Bubbles/Down")
409   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICKLEFT_LEFT ) PORT_8WAY PORT_NAME("Bubbles/Left")
410   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICKLEFT_RIGHT ) PORT_8WAY PORT_NAME("Bubble/Right")
411   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_START2 )
412   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_START1 )
413   PORT_BIT( 0xc0, IP_ACTIVE_HIGH, IPT_UNKNOWN )
414
415   PORT_START("IN410")
416   PORT_BIT( 0xff, IP_ACTIVE_HIGH, IPT_UNKNOWN )
417
418/* defender */
419   PORT_START("IN500")
420   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("Defender/Fire")
421   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("Defender/Thrust")
422   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("Defender/Smart Bomb")
423   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_NAME("Defender/Hyperspace")
424   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_START2 )
425   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_START1 )
426   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON5 ) PORT_NAME("Defender/Reverse")
427   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICKLEFT_DOWN) PORT_2WAY PORT_NAME("Defender/Down")
428
429   PORT_START("IN510")
430   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICKLEFT_UP ) PORT_2WAY PORT_NAME("Defender/Up")
431   PORT_BIT( 0xfe, IP_ACTIVE_HIGH, IPT_UNKNOWN )
432
433/* splat - there are no P2 controls, so it can only be played by a single player */
434   PORT_START("IN601") /* muxed into IN0 */
435   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICKLEFT_UP ) PORT_8WAY PORT_PLAYER(1) PORT_NAME("Splat/P1/Left/Up")
436   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICKLEFT_DOWN ) PORT_8WAY PORT_PLAYER(1) PORT_NAME("Splat/P1/Left/Down")
437   PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICKLEFT_LEFT ) PORT_8WAY PORT_PLAYER(1) PORT_NAME("Splat/P1/Left/Left")
438   PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICKLEFT_RIGHT ) PORT_8WAY PORT_PLAYER(1) PORT_NAME("Splat/P1/Left/Right")
439   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_START1 )
440   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_START2 )
441   PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICKRIGHT_UP ) PORT_8WAY PORT_PLAYER(1) PORT_NAME("Splat/P1/Right/Up")
442   PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICKRIGHT_DOWN ) PORT_8WAY PORT_PLAYER(1) PORT_NAME("Splat/P1/Right/Down")
443
444   PORT_START("IN602") /* muxed into IN0 */
445   PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_START1 )
446   PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_START2 )
447   PORT_BIT( 0xcf, IP_ACTIVE_HIGH, IPT_UNKNOWN )
448
449   PORT_START("IN611") /* muxed into IN1 */
450   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICKRIGHT_LEFT ) PORT_8WAY PORT_PLAYER(1) PORT_NAME("Splat/P1/Right/Left")
451   PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICKRIGHT_RIGHT ) PORT_8WAY PORT_PLAYER(1) PORT_NAME("Splat/P1/Right/Right")
452   PORT_BIT( 0xfc, IP_ACTIVE_HIGH, IPT_UNKNOWN )
453
454   PORT_START("IN612") /* muxed into IN1 */
455   PORT_BIT( 0xff, IP_ACTIVE_HIGH, IPT_UNKNOWN )
456INPUT_PORTS_END
457
458/*************************************
459 *
460 *  Machine Driver
461 *
462 *************************************/
463static MACHINE_CONFIG_START( wmg, wmg_state )
464
465   /* basic machine hardware */
466   MCFG_CPU_ADD("maincpu", M6809, MASTER_CLOCK/3/4)
467   MCFG_CPU_PROGRAM_MAP(wmg_cpu1)
468
469   MCFG_CPU_ADD("soundcpu", M6808, SOUND_CLOCK)
470   MCFG_CPU_PROGRAM_MAP(wmg_cpu2)
471
472   MCFG_MACHINE_START_OVERRIDE(williams_state,williams)
473   MCFG_MACHINE_RESET_OVERRIDE(wmg_state, wmg)
474   MCFG_NVRAM_ADD_0FILL("nvram")
475
476   MCFG_TIMER_DRIVER_ADD("scan_timer", williams_state, williams_va11_callback)
477   MCFG_TIMER_DRIVER_ADD("240_timer", williams_state, williams_count240_callback)
478
479   /* video hardware */
480   MCFG_VIDEO_ATTRIBUTES(VIDEO_UPDATE_SCANLINE | VIDEO_ALWAYS_UPDATE)
481
482   MCFG_SCREEN_ADD("screen", RASTER)
483   MCFG_SCREEN_RAW_PARAMS(MASTER_CLOCK*2/3, 512, 10, 304, 260, 7, 245)
484   MCFG_SCREEN_VISIBLE_AREA(6, 298-1, 7, 247-1)
485   MCFG_SCREEN_UPDATE_DRIVER(williams_state, screen_update_williams)
486
487   MCFG_VIDEO_START_OVERRIDE(williams_state,williams)
488
489   /* sound hardware */
490   MCFG_SPEAKER_STANDARD_MONO("mono")
491
492   MCFG_DAC_ADD("wmsdac")
493   MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
494
495   /* pia */
496   MCFG_PIA6821_ADD("pia_0", wmg_muxed_pia_0_intf)
497   MCFG_PIA6821_ADD("pia_1", williams_pia_1_intf)
498   MCFG_PIA6821_ADD("pia_2", williams_snd_pia_intf)
499MACHINE_CONFIG_END
500
501/*************************************
502 *
503 *  Driver Initialisation
504 *
505 *************************************/
506DRIVER_INIT_MEMBER( wmg_state, wmg )
507{
508   UINT8 *RAM = memregion("maincpu")->base();
509   UINT8 *ROM = memregion("soundcpu")->base();
510   membank("bank5")->configure_entries(0, 8, &RAM[0x2d000], 0x10000);   /* Code */
511   membank("bank6")->configure_entries(0, 8, &ROM[0x10000], 0x1000);   /* Sound */
512   membank("bank7")->configure_entries(1, 4, &RAM[0x78000], 0x1000);   /* Defender roms */
513//   CONFIGURE_BLITTER(WILLIAMS_BLITTER_SC01, 0xc000);
514   m_blitter_config = WILLIAMS_BLITTER_SC01;
515   m_blitter_clip_address = 0xc000;
516}
517
518/*************************************
519 *
520 *  Roms
521 *
522 *************************************/
523ROM_START( wmg )
524   ROM_REGION( 0xa0000, "maincpu", 0 )
525   ROM_LOAD( "wmg.cpu",         0x20000, 0x80000, CRC(975516ec) SHA1(571aaf9bff8ebfc36448cd9394b47bcfae7d1b83) )
526
527   /* This little HACK! lets the menu boot up.
528   It patches a jump to some new code, which sets a few memory locations, and sets the stack pointer.
529   Then it jumps back to continue the main run. */
530
531   ROM_COPY( "maincpu", 0x2e0da, 0x2f800, 0x0001b )
532   ROM_FILL( 0x2f81b, 1, 0x7e )
533   ROM_FILL( 0x2f81c, 1, 0xe0 )
534   ROM_FILL( 0x2f81d, 1, 0xba )
535   ROM_FILL( 0x2e0b7, 1, 0x7e )
536   ROM_FILL( 0x2e0b8, 1, 0xf8 )
537   ROM_FILL( 0x2e0b9, 1, 0x00 )
538
539   ROM_REGION( 0x18000, "soundcpu", 0 )
540   ROM_LOAD( "wmg.snd",         0x10000, 0x8000, CRC(1d08990e) SHA1(7bfb29426b3876f113e6ec3bc6c2fce9d2d1eb0c) )
541
542   ROM_REGION( 0x0400, "proms", 0 )
543   ROM_LOAD( "decoder.4",       0x0000, 0x0200, CRC(e6631c23) SHA1(9988723269367fb44ef83f627186a1c88cf7877e) )
544   ROM_LOAD( "decoder.6",       0x0200, 0x0200, CRC(83faf25e) SHA1(30002643d08ed983a6701a7c4b5ee74a2f4a1adb) )
545ROM_END
546
547
548/*******************************************************
549 *
550 *  Game Driver
551 *
552 *******************************************************/
553
554GAME( 2001, wmg, 0, wmg, wmg, wmg_state, wmg, ROT0, "Clay Cowgill", "Williams 6in1 Multigame", 0 )
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