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r9451 Tuesday 26th October, 2010 at 13:20:05 UTC by Dirk Verwiebe
New System Drivers Supported:
-----------------------------
- Mephisto polgar
[src/mess/drivers]polgar.c*

src/mess/drivers/polgar.c
r0r9451
1/******************************************************************************
2 Mephisto 4 + 5 Chess Computer
3 2007 Dirk V.
4 
5******************************************************************************/
6 
7/*
8 
9 
10CPU 65C02 P4
11Clock 4.9152 MHz
12NMI CLK 600 Hz
13IRQ Line is set to VSS
148 KByte  SRAM Sony CXK5864-15l
15 
161-CD74HC4060E   14 Bit Counter
171-CD74HC166E
181-CD74HC251E
191-SN74HC138N TI
201-SN74HC139N TI
211-74HC14AP Toshiba
221-74HC02AP Toshiba
231-74HC00AP Toshiba
241-CD74HC259E
25 
26 
27$0000-$1fff   S-RAM
28$2000 LCD 4 Byte Shift Register writeonly right to left
29every 2nd char xor'd by $FF
30 
312c00-2c07 Keyboard (8to1 Multiplexer) 74HCT251
322*8 Matrix
33Adr. 0x3407
34==0 !=0
352c00 CL E5
362c01 POS F6
372c02 MEMO G7
382c03 INFO A1
392c04 LEV H8
402c05 ENT B2
412c06 >0 C3
422c07 <9 D4
43 
44$3400-$3407 LED 1-6, Buzzer, Keyboard select
45 
46$2400 // Chess Board
47$2800 // Chess Board
48$3000 // Chess Board
49 
50$4000-7FFF Opening Modul HG550
51$8000-$FFF ROM
52 
53// lese Tastatur von 2c00 - 2c07, 
542c00 Trn
552c01 Info
562c02 Mem
572c03 Pos
582c04 Lev
592c05 Fct
602c06 Ent
612c07 CL
62 
63 
64 
65 
66*/
67 
68#include "emu.h"
69#include "cpu/m6502/m6502.h"
70// #include"cpu/mcs51/mcs51.h"
71// #include "sound/dac.h"
72#include "sound/beep.h"
73 
74// #include "milano.lh"
75#include "video/hd44780.h"
76// #include "render.h"
77// #include "rendlay.h"
78// #include "uiinput.h"
79#include "machine/mboard.h"
80 
81static UINT8 lcd_shift_counter;
82static UINT8 led_status;
83static UINT8 lcd_char=0;
84// static UINT8 *milano_ram;
85// static UINT8 led7;
86 
87 
88 
89static const hd44780_interface polgar_display =
90{
91    2,                  // number of lines
92    16,                 // chars for line
93    NULL                // custom display layout
94};
95 
96 
97 
98 
99 
100static WRITE8_HANDLER ( write_lcd_i )
101{
102 
103 hd44780_device * hd44780 = space->machine->device<hd44780_device>("hd44780");
104 running_device *speaker = space->machine->device("beep");
105// state->hd44780->data_write(offset, data);
106//state->hd44780->control_write(0, data);
107 
108if ((data&1)==1) 
109 hd44780->data_write(128, lcd_char);
110 else
111hd44780->control_write(128, lcd_char);
112 
113 
114 if ((data&4)==4) beep_set_state(speaker,1);
115    else beep_set_state(speaker,0);
116     
117 
118   logerror("LCD Register = %d Data = %d\n",offset,data);
119}
120 
121static WRITE8_HANDLER ( write_lcd )
122{
123 
124 //hd44780_device * hd44780 = space->machine->device<hd44780_device>("hd44780");
125// state->hd44780->data_write(offset, data);
126//state->hd44780->control_write(0, data);
127  lcd_char=data;
128 //hd44780->data_write(128, data);
129//hd44780->data_write(128, data_8);
130}
131 
132static WRITE8_HANDLER ( write_led )
133{
134   UINT8 LED_offset=100;
135   //data &= 0xff;
136if (data==0xff) output_set_led_value(LED_offset+offset,1);
137   else
138      output_set_led_value(LED_offset+offset,0);
139   //if (data==0)led_status &= 255-(1<<offset) ; else led_status|=1<<offset;
140   // if (offset<6)output_set_led_value(LED_offset+offset, led_status&1<<offset?1:0);
141   // if (offset==7) led7=data& 0x80 ? 0x00 :0xff;
142   
143   
144//   logerror("LEDs  Offset = %d Data = %d\n",offset,data);
145}
146 
147static READ8_HANDLER(read_keys)
148{
149   UINT8 data;
150   static const char *const keynames[2][8] =
151         {
152            { "KEY1_0", "KEY1_1", "KEY1_2", "KEY1_3", "KEY1_4", "KEY1_5", "KEY1_6", "KEY1_7" },
153            { "KEY2_0", "KEY2_1", "KEY2_2", "KEY2_3", "KEY2_4", "KEY2_5", "KEY2_6", "KEY2_7" }
154         };
155 
156   data = 0xff;
157/*
158   if (((led_status & 0x80) == 0x00))
159      data=input_port_read(space->machine, keynames[0][offset]);
160   else
161      data=input_port_read(space->machine, keynames[1][offset]);
162*/
163  data=input_port_read(space->machine, keynames[0][offset]);
164   logerror("Keyboard Port = %s Data = %d\n  ", ((led_status & 0x80) == 0x00) ? keynames[0][offset] : keynames[1][offset], data);
165   return data | 0x7f;
166}
167 
168 
169 
170static VIDEO_START( polgar )
171{
172 
173}
174 
175static VIDEO_UPDATE( polgar )
176{
177    hd44780_device * hd44780 = screen->machine->device<hd44780_device>("hd44780");
178 
179    return hd44780->video_update( bitmap, cliprect );
180}
181 
182static PALETTE_INIT( polgar )
183{
184//    palette_set_color(machine, 0, MAKE_RGB(138, 146, 148));
185   palette_set_color(machine, 0, MAKE_RGB(195, 201, 200));
186    palette_set_color(machine, 1, MAKE_RGB(40, 30, 30));
187}
188 
189 
190static const gfx_layout polgar_charlayout =
191{
192    5, 8,                   /* 5 x 8 characters */
193    224,                    /* 224 characters */
194    1,                      /* 1 bits per pixel */
195    { 0 },                  /* no bitplanes */
196    { 3, 4, 5, 6, 7},
197    { 0, 8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8},
198    8*8                     /* 8 bytes */
199};
200 
201static GFXDECODE_START( polgar )
202    GFXDECODE_ENTRY( "chargen", 0x0000, polgar_charlayout, 0, 1 )
203GFXDECODE_END
204 
205 
206 
207 
208static ADDRESS_MAP_START(polgar_mem , ADDRESS_SPACE_PROGRAM, 8)
209   AM_RANGE( 0x0000, 0x1fff) AM_RAM // AM_BASE(&milano_ram)//
210   AM_RANGE( 0x2400, 0x2407) AM_WRITE ( write_LED_8 )      // Chessboard
211   AM_RANGE( 0x2800, 0x2800) AM_WRITE ( write_board_8)      // Chessboard
212   AM_RANGE( 0x3000, 0x3000) AM_READ( read_board_8 )      // Chessboard   
213  AM_RANGE( 0x3400, 0x3405) AM_WRITE( write_led)   // Function LEDs 3400 TRN 3401
214  AM_RANGE( 0x2c00, 0x2c07) AM_READ( read_keys)   // CL Key
215  AM_RANGE( 0x2004, 0x2004) AM_WRITE( write_lcd_i)   // LCD Instr. Reg + Beeper
216  AM_RANGE( 0x2000, 0x2000) AM_WRITE( write_lcd)           // LCD Char Reg.
217   //AM_RANGE( 0x6000, 0x6000) AM_RAM
218   //AM_RANGE( 0x7000, 0x7000) AM_RAM
219    AM_RANGE( 0x4000, 0xffff) AM_ROM
220ADDRESS_MAP_END
221 
222 
223/*
224static ADDRESS_MAP_START(milano_mem , ADDRESS_SPACE_PROGRAM, 8)
225   AM_RANGE( 0x0000, 0x1fff) AM_RAM // AM_BASE(&milano_ram)//
226//   AM_RANGE( 0x2400, 0x2407) AM_WRITE ( write_LED_8 )      // Chessboard
227//   AM_RANGE( 0x2800, 0x2800) AM_WRITE ( write_board_8)      // Chessboard
228//   AM_RANGE( 0x3000, 0x3000) AM_READ( read_board_8 )      // Chessboard   
229     // AM_RANGE( 0x3400, 0x3405) AM_WRITE( write_leds)   // Function LEDs 3400 TRN 3401
230//     AM_RANGE( 0x2c00, 0x2c07) AM_READ( read_keys)   // CL Key
231//  AM_RANGE( 0x2004, 0x2004) AM_WRITE( write_lcd_i)   // LCD Instr. Reg
232//  AM_RANGE( 0x2000, 0x2000) AM_WRITE( write_lcd)           // LCD Char Reg.
233   //AM_RANGE( 0x6000, 0x6000) AM_RAM
234   //AM_RANGE( 0x7000, 0x7000) AM_RAM
235   AM_RANGE( 0x3000, 0xffff) AM_ROM
236   // AM_RANGE( 0x4000, 0xffff) AM_ROM
237ADDRESS_MAP_END
238*/
239 
240static INPUT_PORTS_START( board )
241   PORT_START("LINE2")
242   PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD)
243   PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD)
244   PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD)
245   PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD)
246   PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD)
247   PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD)
248   PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD)
249   PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD)
250   PORT_START("LINE3")
251   PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD)
252   PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD)
253   PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD)
254   PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD)
255   PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD)
256   PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD)
257   PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD)
258   PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD)
259   PORT_START("LINE4")
260   PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD)
261   PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD)
262   PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD)
263   PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD)
264   PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD)
265   PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD)
266   PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD)
267   PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD)
268   PORT_START("LINE5")
269   PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD)
270   PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD)
271   PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD)
272   PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD)
273   PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD)
274   PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD)
275   PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD)
276   PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD)
277   PORT_START("LINE6")
278   PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD)
279   PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD)
280   PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD)
281   PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD)
282   PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD)
283   PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD)
284   PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD)
285   PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD)
286   PORT_START("LINE7")
287   PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD)
288   PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD)
289   PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD)
290   PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD)
291   PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD)
292   PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD)
293   PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD)
294   PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD)
295   PORT_START("LINE8")
296   PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD)
297   PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD)
298   PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD)
299   PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD)
300   PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD)
301   PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD)
302   PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD)
303   PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD)
304   PORT_START("LINE9")
305   PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD)
306   PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD)
307   PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD)
308   PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD)
309   PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD)
310   PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD)
311   PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD)
312   PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD)
313 
314   PORT_START("LINE10")
315   PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD)
316 
317   PORT_START("B_WHITE") 
318   PORT_BIT(0x01,  IP_ACTIVE_HIGH, IPT_KEYBOARD)
319   PORT_BIT(0x02,  IP_ACTIVE_HIGH, IPT_KEYBOARD)
320   PORT_BIT(0x04,  IP_ACTIVE_HIGH, IPT_KEYBOARD)
321   PORT_BIT(0x08,  IP_ACTIVE_HIGH, IPT_KEYBOARD)
322   PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD)
323   PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD)
324 
325   PORT_START("B_BLACK") 
326   PORT_BIT(0x01,  IP_ACTIVE_HIGH, IPT_KEYBOARD)
327   PORT_BIT(0x02,  IP_ACTIVE_HIGH, IPT_KEYBOARD)
328   PORT_BIT(0x04,  IP_ACTIVE_HIGH, IPT_KEYBOARD)
329   PORT_BIT(0x08,  IP_ACTIVE_HIGH, IPT_KEYBOARD)
330   PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD)
331   PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD)
332 
333   PORT_START("B_BUTTONS") 
334   PORT_BIT(0x01,  IP_ACTIVE_HIGH, IPT_KEYBOARD)
335   PORT_BIT(0x02,  IP_ACTIVE_HIGH, IPT_KEYBOARD)
336 
337INPUT_PORTS_END
338 
339static INPUT_PORTS_START( polgar )
340  PORT_INCLUDE( board )
341   PORT_START("KEY1_0") //Port $2c00
342   PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Trn") PORT_CODE(KEYCODE_F1)
343   PORT_START("KEY1_1") //Port $2c01
344   PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Info") PORT_CODE(KEYCODE_F2)
345   PORT_START("KEY1_2") //Port $2c02
346   PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Mem") PORT_CODE(KEYCODE_F3)
347   PORT_START("KEY1_3") //Port $2c03
348   PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Pos") PORT_CODE(KEYCODE_F4)
349   PORT_START("KEY1_4") //Port $2c04
350   PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("LEV") PORT_CODE(KEYCODE_F5)
351   PORT_START("KEY1_5") //Port $2c05
352   PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("FCT") PORT_CODE(KEYCODE_F6)
353   PORT_START("KEY1_6") //Port $2c06
354   PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ENT") PORT_CODE(KEYCODE_F7)
355   PORT_START("KEY1_7") //Port $2c07
356   PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CL") PORT_CODE(KEYCODE_F8)
357INPUT_PORTS_END
358 
359static TIMER_CALLBACK( update_nmi )
360{
361   // running_device *speaker = machine->device("beep");
362   cputag_set_input_line(machine, "maincpu", INPUT_LINE_NMI,PULSE_LINE);
363   // cputag_set_input_line(machine, "maincpu", M6502_IRQ_LINE, CLEAR_LINE);
364   // dac_data_w(0,led_status&64?128:0);
365   // beep_set_state(speaker,led_status&64?1:0);
366}
367 
368 
369static MACHINE_START( polgar )
370{
371   lcd_shift_counter=3;
372   // timer_pulse(machine, ATTOTIME_IN_HZ(60), NULL, 0, update_leds);
373   timer_pulse(machine, ATTOTIME_IN_HZ(600), NULL, 0, update_nmi);
374   timer_pulse(machine, ATTOTIME_IN_HZ(100), NULL, 0, update_artwork);
375   mboard_savestate_register(machine);
376}
377 
378 
379static MACHINE_RESET( polgar )
380{
381   // lcd_shift_counter = 3;
382        hd44780_device * hd44780 = machine->device<hd44780_device>("hd44780");
383         hd44780->control_write(128, 15);      /* Initialize LCD */
384         set_boarder_pieces();
385            set_board();
386}
387 
388 
389static MACHINE_CONFIG_START( polgar, driver_device )
390   /* basic machine hardware */
391   MDRV_CPU_ADD("maincpu",M65C02,4915200)        /* 65C02 */
392   //MDRV_CPU_ADD("maincpu",M65C02,10000000)        /* 65C02 */
393   // MDRV_CPU_ADD("maincpu",I8032,120000000)        /* 65C02 */
394   MDRV_CPU_PROGRAM_MAP(polgar_mem)
395   MDRV_QUANTUM_TIME(HZ(60))
396   MDRV_MACHINE_START( polgar )
397   MDRV_MACHINE_RESET( polgar )
398 
399   /* video hardware */
400  // MDRV_DEFAULT_LAYOUT(layout_milano)
401  MDRV_SCREEN_ADD("screen", LCD)
402   MDRV_SCREEN_REFRESH_RATE(50)
403   MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
404   MDRV_SCREEN_SIZE(100, 19)
405   MDRV_SCREEN_VISIBLE_AREA(0, 100-1, 0, 19-1)
406   MDRV_PALETTE_LENGTH(2)
407   MDRV_PALETTE_INIT(polgar)
408 
409   MDRV_GFXDECODE(polgar)
410 
411   MDRV_HD44780_ADD("hd44780", polgar_display)
412 
413    MDRV_VIDEO_START(polgar)
414    MDRV_VIDEO_UPDATE(polgar)
415 
416 
417 
418//   MDRV_DEFAULT_LAYOUT(layout_van16)
419    MDRV_DEFAULT_LAYOUT(layout_lcd)
420 
421 
422 
423 
424   /* sound hardware */
425   MDRV_SPEAKER_STANDARD_MONO("mono")
426   MDRV_SOUND_ADD("beep", BEEP, 0)
427   MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
428MACHINE_CONFIG_END
429 
430/*
431 
432ROM_START(milano)     
433   ROM_REGION(0x10000,"maincpu",0)
434   ROM_LOAD("milano.bin", 0x0000, 0x10000, CRC(8d02e1ef) SHA1(9972c75936613bd68cfd3fe62bd222e90e8b1083))
435 ROM_REGION( 0x00700, "chargen", ROMREGION_ERASE )
436 ROM_LOAD( "m_chargen.bin",    0x0000, 0x0700,  BAD_DUMP CRC(4c64fc7d) SHA1(123a87b2dc7efd7afcd8e27eb9bc74f54a8f1bc9))
437ROM_END
438 
439*/
440 
441ROM_START(polgar) //polgar
442   ROM_REGION(0x10000,"maincpu",0)
443   ROM_LOAD("polgar.bin", 0x0000, 0x10000, CRC(88d55c0f) SHA1(e86d088ec3ac68deaf90f6b3b97e3e31b1515913))
444   ROM_REGION( 0x00700, "chargen", ROMREGION_ERASE )
445  ROM_LOAD( "m_chargen.bin",    0x0000, 0x0700,  CRC(b497af5c) SHA1(0bddebf91dac868ffbdd7f514253943635d7fe9a))
446ROM_END
447 
448 
449static DRIVER_INIT( polgar )
450{
451   lcd_shift_counter = 3;
452}
453 
454/***************************************************************************
455 
456    Game driver(s)
457 
458***************************************************************************/
459 
460/*    YEAR  NAME        PARENT  COMPAT  MACHINE     INPUT       INIT        COMPANY             FULLNAME                            FLAGS */
461//CONS( 1983, mephisto,   0,      0,      mephisto,   mephisto,   mephisto, "Hegener & Glaser", "Mephisto Polgar Computer",         GAME_NOT_WORKING )
462CONS( 1986, polgar,     0,      0,      polgar,     polgar,   polgar,   "Hegener & Glaser", "Mephisto Milano Schach Computer", 0 )
463// second design sold (same computer/program?)

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