supercon: start driver rewrite

src/mame/drivers/hh_tms1k.cpp

@@ -5470,7 +5470,7 @@ CONS( 1979, bigtrak,   0,        0, bigtrak,   bigtrak,   driver_device, 0, "Mil
 CONS( 1977, cnsector,  0,        0, cnsector,  cnsector,  driver_device, 0, "Parker Brothers", "Code Name: Sector", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW ) // ***
 CONS( 1978, merlin,    0,        0, merlin,    merlin,    driver_device, 0, "Parker Brothers", "Merlin - The Electronic Wizard", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )
 CONS( 1979, stopthie,  0,        0, stopthief, stopthief, driver_device, 0, "Parker Brothers", "Stop Thief (Electronic Crime Scanner)", MACHINE_SUPPORTS_SAVE ) // ***
-CONS( 1979, stopthiep, stopthie, 0, stopthief, stopthief, driver_device, 0, "Parker Brothers", "Stop Thief (Electronic Crime Scanner) (patent)", MACHINE_SUPPORTS_SAVE | MACHINE_NOT_WORKING )
+CONS( 1979, stopthiep, stopthie, 0, stopthief, stopthief, driver_device, 0, "Parker Brothers", "Stop Thief (Electronic Crime Scanner) (patent)", MACHINE_SUPPORTS_SAVE | MACHINE_NOT_WORKING ) // ***
 CONS( 1980, bankshot,  0,        0, bankshot,  bankshot,  driver_device, 0, "Parker Brothers", "Bank Shot - Electronic Pool", MACHINE_SUPPORTS_SAVE )
 CONS( 1980, splitsec,  0,        0, splitsec,  splitsec,  driver_device, 0, "Parker Brothers", "Split Second", MACHINE_SUPPORTS_SAVE )
 CONS( 1982, mmerlin,   0,        0, mmerlin,   mmerlin,   driver_device, 0, "Parker Brothers", "Master Merlin", MACHINE_SUPPORTS_SAVE | MACHINE_CLICKABLE_ARTWORK )

src/mame/drivers/supercon.cpp

@@ -1,25 +1,22 @@
 // license:BSD-3-Clause
-// copyright-holders:Robbbert
+// copyright-holders:hap
 /******************************************************************************
- Novag SuperConstellation Chess Computer
 
- CPU 6502
+    Novag Super Constellation Chess Computer (model 844)
- Clock 4 MHz
- IRQ CLK 600 Hz
-
- RAM    0x0000, 0x0fff)
- ROM    0x2000, 0xffff)
- I/O    0x1c00              Unknown
-        0x1d00              Unknown
-        0x1e00              LED's and buttons
-        0x1f00              LED's, buttons and buzzer
 
+- UMC UM6502C @ 4 MHz (8MHz XTAL), 600Hz IRQ(source unknown?)
+- 2*2KB RAM TC5516APL-2 battery-backed, 2*32KB ROM custom label
+- TTL, 24 LEDs, 8*8 chessboard buttons
+- external port for clock and printer, not emulated here
 
 ******************************************************************************/
 
 #include "emu.h"
 #include "cpu/m6502/m6502.h"
-#include "sound/beep.h"
+#include "machine/nvram.h"
+
+// internal artwork
+#include "supercon.lh"
 
 
 class supercon_state : public driver_device
@@ -27,21 +24,18 @@ class supercon_state : public driver_device
 public:
 	supercon_state(const machine_config &mconfig, device_type type, const char *tag)
 		: driver_device(mconfig, type, tag),
-		m_maincpu(*this, "maincpu"),
+		m_maincpu(*this, "maincpu")
-		m_beep(*this, "beeper")
+	{ }
-		{ }
 
 	required_device<cpu_device> m_maincpu;
-	required_device<beep_device> m_beep;
 };
 
-#define MAIN_CLOCK 4000000 /* 4 MHz */
+
 /* Address maps */
 
 static ADDRESS_MAP_START(supercon_mem, AS_PROGRAM, 8, supercon_state)
-	AM_RANGE( 0x0000, 0x0fff) AM_RAM
+	AM_RANGE( 0x0000, 0x0fff) AM_RAM AM_SHARE("nvram")
-	AM_RANGE( 0x2000, 0x7fff) AM_ROM
+	AM_RANGE( 0x2000, 0xffff) AM_ROM
-	AM_RANGE( 0x8000, 0xffff) AM_ROM
 ADDRESS_MAP_END
 
 /* Input ports */
@@ -50,27 +44,28 @@ static INPUT_PORTS_START( supercon )
 INPUT_PORTS_END
 
 /* Machine driver */
+
 static MACHINE_CONFIG_START( supercon, supercon_state )
 
 	/* basic machine hardware */
-	MCFG_CPU_ADD("maincpu",M6502,MAIN_CLOCK)
+	MCFG_CPU_ADD("maincpu", M6502, XTAL_8MHz/2)
+	MCFG_CPU_PERIODIC_INT_DRIVER(supercon_state, irq0_line_hold, 600) // ?
 	MCFG_CPU_PROGRAM_MAP(supercon_mem)
-
+	
-	/* sound hardware */
+	MCFG_NVRAM_ADD_0FILL("nvram")
-	MCFG_SPEAKER_STANDARD_MONO("mono")
+	
-	MCFG_SOUND_ADD("beeper", BEEP, 3250)
+	MCFG_DEFAULT_LAYOUT(layout_supercon)
-	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
 MACHINE_CONFIG_END
 
 /* ROM definition */
 
 ROM_START(supercon)
-	ROM_REGION(0x10000,"maincpu",0)
+	ROM_REGION( 0x10000, "maincpu", 0 )
-	ROM_LOAD("supercon_low.bin",  0x0000,  0x8000, CRC(b853cf6e) SHA1(1a759072a5023b92c07f1fac01b7a21f7b5b45d0 ))
+	ROM_LOAD("novag_8441", 0x0000, 0x8000, CRC(b853cf6e) SHA1(1a759072a5023b92c07f1fac01b7a21f7b5b45d0) ) // label obscured by Q.C. sticker
-	ROM_LOAD("supercon_high.bin", 0x8000,  0x8000, CRC(c8f82331) SHA1(f7fd039f9a3344db9749931490ded9e9e309cfbe ))
+	ROM_LOAD("novag_8442", 0x8000, 0x8000, CRC(c8f82331) SHA1(f7fd039f9a3344db9749931490ded9e9e309cfbe) )
 ROM_END
 
 /* Driver */
 
-/*    YEAR  NAME          PARENT  COMPAT  MACHINE    INPUT       INIT      COMPANY  FULLNAME                     FLAGS */
+/*    YEAR  NAME       PARENT  COMPAT  MACHINE    INPUT     INIT              COMPANY, FULLNAME, FLAGS */
-CONS( 1983, supercon,     0,      0,      supercon,  supercon, driver_device,   0, "Novag", "SuperConstellation", MACHINE_IS_SKELETON )
+CONS( 1984, supercon,  0,      0,      supercon,  supercon, driver_device, 0, "Novag", "Super Constellation", MACHINE_SUPPORTS_SAVE | MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW )

src/mame/layout/supercon.lay

@@ -0,0 +1,20 @@
+<?xml version="1.0"?>
+<mamelayout version="2">
+
+<!-- define elements -->
+
+	<element name="led" defstate="0">
+		<disk state="0"><color red="0.2" green="0.04" blue="0.046" /></disk>
+		<disk state="1"><color red="1.0" green="0.2" blue="0.23" /></disk>
+	</element>
+
+
+<!-- build screen -->
+
+	<view name="Internal Layout">
+		<bounds left="0" right="100" top="0" bottom="100" />
+
+		<bezel name="0.0" element="led"><bounds x="1" y="1" width="1" height="1" /></bezel>
+
+	</view>
+</mamelayout>