Merge remote-tracking branch 'upstream/master'

src/devices/cpu/mcs48/mcs48dsm.cpp

@@ -2,8 +2,6 @@
 // copyright-holders:Aaron Giles
 /***************************************************************************
 
-    mcs48dsm.c
-
     Simple MCS-48/UPI-41 disassembler.
     Written by Aaron Giles
 

src/devices/cpu/mcs48/mcs48dsm.h

@@ -2,14 +2,11 @@
 // copyright-holders:Aaron Giles
 /***************************************************************************
 
-    mcs48dsm.c
-
     Simple MCS-48/UPI-41 disassembler.
     Written by Aaron Giles
 
 ***************************************************************************/
 
-
 #ifndef MAME_CPU_MCS48_MCS48DASM_H
 #define MAME_CPU_MCS48_MCS48DASM_H
 

src/emu/emumem.h

@@ -2645,13 +2645,13 @@ class memory_view
 
 	void select(int entry);
 	void disable();
+	bool exists() const { return m_config != nullptr; }
 
 	std::optional<int> entry() const { return m_cur_id == -1 ? std::optional<int>() : m_cur_slot; }
 
 	const std::string &name() const { return m_name; }
 
 private:
-
 	device_t &                                      m_device;
 	std::string                                     m_name;
 	std::map<int, int>                              m_entry_mapping;
@@ -2671,6 +2671,7 @@ class memory_view
 	void make_subdispatch(std::string context);
 	int id_to_slot(int id) const;
 	void register_state();
+	void refresh_id();
 };
 
 

src/emu/emumem_mview.cpp

@@ -505,18 +505,25 @@ void memory_view::register_state()
 {
 	m_device.machine().save().save_item(&m_device, "view", m_device.subtag(m_name).c_str(), 0, NAME(m_cur_slot));
 	m_device.machine().save().save_item(&m_device, "view", m_device.subtag(m_name).c_str(), 0, NAME(m_cur_id));
-	m_device.machine().save().register_postload(save_prepost_delegate(NAME([this]() { m_handler_read->select_a(m_cur_id); m_handler_write->select_a(m_cur_id); })));
+	m_device.machine().save().register_postload(save_prepost_delegate(FUNC(memory_view::refresh_id), this));
+}
+
+void memory_view::refresh_id()
+{
+	if (m_handler_read) {
+		m_handler_read->select_a(m_cur_id);
+		m_handler_write->select_a(m_cur_id);
+	}
+
+	if (m_space)
+		m_space->invalidate_caches(read_or_write::READWRITE);
 }
 
 void memory_view::disable()
 {
 	m_cur_slot = -1;
 	m_cur_id = -1;
-	m_handler_read->select_a(-1);
-	m_handler_write->select_a(-1);
-
-	if(m_space)
-		m_space->invalidate_caches(read_or_write::READWRITE);
+	refresh_id();
 }
 
 void memory_view::select(int slot)
@@ -527,11 +534,7 @@ void memory_view::select(int slot)
 
 	m_cur_slot = slot;
 	m_cur_id = i->second;
-	m_handler_read->select_a(m_cur_id);
-	m_handler_write->select_a(m_cur_id);
-
-	if(m_space)
-		m_space->invalidate_caches(read_or_write::READWRITE);
+	refresh_id();
 }
 
 int memory_view::id_to_slot(int id) const

src/mame/atari/a2600.cpp

@@ -245,7 +245,8 @@ class tvboy_state : public a2600_base_state
 	{ }
 
 	void tvboy(machine_config &config);
-
+	void tvboyn(machine_config &config);
+
 protected:
 	virtual void machine_start() override;
 	virtual void machine_reset() override;
@@ -693,6 +694,11 @@ void tvboy_state::tvboy(machine_config &config)
 	m_maincpu->set_addrmap(AS_PROGRAM, &tvboy_state::tvboy_mem);
 }
 
+void tvboy_state::tvboyn(machine_config &config)
+{
+	a2600_base_ntsc(config);
+	m_maincpu->set_addrmap(AS_PROGRAM, &tvboy_state::tvboy_mem);
+}
 
 ROM_START(a2600)
 	ROM_REGION(0x2000, "maincpu", ROMREGION_ERASEFF)
@@ -781,6 +787,13 @@ ROM_START(tvboy)
 	ROM_LOAD("tvboy.bin", 0x00000, 0x80000, CRC(2f3d1d52) SHA1(fb26778434fade4cec28f82c53db4cc2f23b8b2b))
 ROM_END
 
+ROM_START(tvboyn)
+	ROM_REGION(0x2000, "maincpu", ROMREGION_ERASEFF)
+
+	ROM_REGION(0x80000, "mainrom", 0)
+	ROM_LOAD("ns-31_n_tv-bot_127g-nics.59874.bin", 0x00000, 0x80000, CRC(96744687) SHA1(47e7a01e635156d2dd6c7e1059653f286370537d))
+ROM_END
+
 ROM_START(tvboyii)
 	ROM_REGION(0x2000, "maincpu", ROMREGION_ERASEFF)
 
@@ -813,5 +826,6 @@ GAME( 198?, a2600_pop, 0,      a2600_pop, a2600_pop, a2600_pop_state, empty_init
 
 // Clones
 CONS( 199?, tvboy,   0,     0,      tvboy,   tvboy, tvboy_state,  empty_init, "Systema?", "TV Boy (PAL)",       MACHINE_SUPPORTS_SAVE ) // It's unknown what unit this came from. It could be Akor instead?
+CONS( 199?, tvboyn,  tvboy, 0,      tvboyn,  tvboy, tvboy_state,  empty_init, "Nics",     "TV Boy (Nics, NTSC)",MACHINE_SUPPORTS_SAVE )
 CONS( 199?, tvboyii, tvboy, 0,      tvboy,   tvboy, tvboy_state,  empty_init, "Systema",  "TV Boy II (PAL)",    MACHINE_SUPPORTS_SAVE )
 CONS( 1995, stvboy,  0,     0,      tvboy,   tvboy, tvboy_state,  empty_init, "Akor",     "Super TV Boy (PAL)", MACHINE_SUPPORTS_SAVE )

src/mame/atari/cops.cpp

@@ -730,6 +730,9 @@ ROM_START( revlatns )
 
 	DISK_REGION( "laserdisc" )
 	DISK_IMAGE_READONLY( "nova dp1-3a", 0, BAD_DUMP SHA1(f69c6a3def1e1eec0a58862c487e47d4da12b25e))  //one disc, no correction, old method
+
+	ROM_REGION( 0x2000, "nvram", 0 )
+	ROM_LOAD( "default_nvram", 0x0000, 0x2000, CRC(339f4e00) SHA1(3d5e4be30e3b21d3e34b2fa97d9ef19f597890eb) )
 ROM_END
 
 } // Anonymous namespace

src/mame/dataeast/dec0.cpp

@@ -2365,18 +2365,71 @@ ROM_START( hbarrel ) /* DE-0289-2 main board, DE-0293-1 sub/rom board */
 ROM_END
 
 /*
-There are known PCBs with ROMs 01 & 04 stamped as "-1" revision
-At least 1 PCB was spotted with ROM labels as "MYF HEAVY BARREL 01-2" & "MYF HEAVY BARREL 04-2"
-Niether version has been dumped to verify they are indeed different versions
+There are known PCBs with ROMs 01 & 04 that have no revision markings and at least 1 PCB was
+spotted with ROM labels as "MYF HEAVY BARREL 01-2" & "MYF HEAVY BARREL 04-2". Neither version is
+currently dumped to verify they are indeed different versions but, clearly revision 2 is missing
 */
 ROM_START( hbarrelu ) /* DE-0297-1 main board, DE-0299-0 sub/rom board */
 	ROM_REGION( 0x60000, "maincpu", 0 ) /* 6*64k for 68000 code */
-	ROM_LOAD16_BYTE( "heavy_barrel_04.3c", 0x00000, 0x10000, CRC(4877b09e) SHA1(30c653b2f59fece881d088b675192ff2599adbe3) )
-	ROM_LOAD16_BYTE( "heavy_barrel_01.3a", 0x00001, 0x10000, CRC(8b41c219) SHA1(5155095f459c29bd1fa5b3e8e2555db20a3bcfbc) )
-	ROM_LOAD16_BYTE( "heavy_barrel_05.4c", 0x20000, 0x10000, CRC(2087d570) SHA1(625a33c2f4feed56f636d318531d0996cdee9194) )
-	ROM_LOAD16_BYTE( "heavy_barrel_02.4a", 0x20001, 0x10000, CRC(815536ae) SHA1(684f67dc92f2a3bd77effce68c50e4013e054d31) )
-	ROM_LOAD16_BYTE( "heavy_barrel_06.6c", 0x40000, 0x10000, CRC(da4e3fbc) SHA1(afc054eb5ee1d64d69fd8134d62e7c2d90f775c8) )
-	ROM_LOAD16_BYTE( "heavy_barrel_03.6a", 0x40001, 0x10000, CRC(7fed7c46) SHA1(697742a18a0b01acadb0bbddc54331ab7e097bd8) )
+	ROM_LOAD16_BYTE( "heavy_barrel_04-3u.3c", 0x00000, 0x10000, CRC(c8d26d56) SHA1(f686427f3f28bbec3e69b07f847b1478f6ada93a) ) // labeled as HEAVY BARREL 04-3U  (with the "3U" being stamped on the label)
+	ROM_LOAD16_BYTE( "heavy_barrel_01-3u.3a", 0x00001, 0x10000, CRC(ae05753e) SHA1(37a8c07a76ef950acaeddcf49fdcb5705dbc9f93) ) // labeled as HEAVY BARREL 01-3U  (with the "3U" being stamped on the label)
+	ROM_LOAD16_BYTE( "heavy_barrel_05.4c",    0x20000, 0x10000, CRC(2087d570) SHA1(625a33c2f4feed56f636d318531d0996cdee9194) )
+	ROM_LOAD16_BYTE( "heavy_barrel_02.4a",    0x20001, 0x10000, CRC(815536ae) SHA1(684f67dc92f2a3bd77effce68c50e4013e054d31) )
+	ROM_LOAD16_BYTE( "heavy_barrel_06.6c",    0x40000, 0x10000, CRC(da4e3fbc) SHA1(afc054eb5ee1d64d69fd8134d62e7c2d90f775c8) )
+	ROM_LOAD16_BYTE( "heavy_barrel_03.6a",    0x40001, 0x10000, CRC(7fed7c46) SHA1(697742a18a0b01acadb0bbddc54331ab7e097bd8) )
+
+	ROM_REGION( 0x10000, "audiocpu", 0 )    /* 6502 Sound */
+	ROM_LOAD( "heavy_barrel_07.8a", 0x8000, 0x8000, CRC(a127f0f7) SHA1(2cf962410936ac336e384dda2bf434a297bc940f) )
+
+	ROM_REGION( 0x1000, "mcu", 0 )  /* i8751 microcontroller */
+	ROM_LOAD( "heavy_barrel_31.9a", 0x0000, 0x1000, CRC(239d726f) SHA1(969f38ae981ffde6053ece93cc51614d492edbbb) )
+
+	ROM_REGION( 0x20000, "char", 0 )
+	ROM_LOAD( "heavy_barrel_25.15h", 0x00000, 0x10000, CRC(8649762c) SHA1(84d3d82d4d011c54271ef7a0dc5857a34b61cf8a) )
+	ROM_LOAD( "heavy_barrel_26.16h", 0x10000, 0x10000, CRC(f8189bbd) SHA1(b4445f50e8771af6ba4fcbc34018f6ecd379779a) )
+
+	ROM_REGION( 0x80000, "tiles1", 0 )
+	ROM_LOAD( "heavy_barrel_18.14d", 0x00000, 0x10000, CRC(ef664373) SHA1(d66a8c685c44cc8583527297d7ea7778f0d9c8db) )
+	ROM_LOAD( "heavy_barrel_17.12d", 0x10000, 0x10000, CRC(a4f186ac) SHA1(ee422f8479c1f21bb62d040567a9748b646e6f9f) )
+	ROM_LOAD( "heavy_barrel_20.17d", 0x20000, 0x10000, CRC(2fc13be0) SHA1(cce46b91104c0ac4038e98131fe957e0ed2f1a88) )
+	ROM_LOAD( "heavy_barrel_19.15d", 0x30000, 0x10000, CRC(d6b47869) SHA1(eaef6ed5505395b1b829d6a126363031ad4e851a) )
+	ROM_LOAD( "heavy_barrel_22.14f", 0x40000, 0x10000, CRC(50d6a1ad) SHA1(e7b464f34d6f3796823de6fdcbfd79416f71a119) )
+	ROM_LOAD( "heavy_barrel_21.12f", 0x50000, 0x10000, CRC(f01d75c5) SHA1(959f9e2461db5f08b7ab12cc3b43f33be69318c9) )
+	ROM_LOAD( "heavy_barrel_24.17f", 0x60000, 0x10000, CRC(ae377361) SHA1(a9aa520044f5b5037a495402ef128d3d8522b20f) )
+	ROM_LOAD( "heavy_barrel_23.15f", 0x70000, 0x10000, CRC(bbdaf771) SHA1(7b29d6d606319337562b0431b6290df15cde17e2) )
+
+	ROM_REGION( 0x40000, "tiles2", 0 )
+	ROM_LOAD( "heavy_barrel_29.8h", 0x00000, 0x10000, CRC(5514b296) SHA1(d258134a95bb223db139780b8e7377cccbe01af0) )
+	ROM_LOAD( "heavy_barrel_30.9h", 0x10000, 0x10000, CRC(5855e8ef) SHA1(0f09143fed7c354231a4f343d0371424d8436877) )
+	ROM_LOAD( "heavy_barrel_27.8f", 0x20000, 0x10000, CRC(99db7b9c) SHA1(2faeb287d685c8ea72c21658777f62ff9e194a69) )
+	ROM_LOAD( "heavy_barrel_28.9f", 0x30000, 0x10000, CRC(33ce2b1a) SHA1(ef150dd5bc22368857ba27da18a17c161bb807a4) )
+
+	ROM_REGION( 0x80000, "sprites", 0 )
+	ROM_LOAD( "heavy_barrel_15.16c", 0x00000, 0x10000, CRC(21816707) SHA1(859a70dfc7d8c01124a035dcd5ea554af5f4e871) )
+	ROM_LOAD( "heavy_barrel_16.17c", 0x10000, 0x10000, CRC(a5684574) SHA1(2dfe429cd6e110645ab976dd3a2b27d54ad91e89) )
+	ROM_LOAD( "heavy_barrel_11.16a", 0x20000, 0x10000, CRC(5c768315) SHA1(00905e59dec90bf51f1d8e2482f54ede0895d142) )
+	ROM_LOAD( "heavy_barrel_12.17a", 0x30000, 0x10000, CRC(8b64d7a4) SHA1(4d880d97a8eabd9b0a50cba3357df4f70afdf909) )
+	ROM_LOAD( "heavy_barrel_13.13c", 0x40000, 0x10000, CRC(56e3ed65) SHA1(e7e4a53a7a18c81af8e395a33bcd82a41482c0da) )
+	ROM_LOAD( "heavy_barrel_14.14c", 0x50000, 0x10000, CRC(bedfe7f3) SHA1(9db9c632fbf5a98d2d21bb960cc7111f6f9410fc) )
+	ROM_LOAD( "heavy_barrel_09.13a", 0x60000, 0x10000, CRC(26240ea0) SHA1(25732986d787afd99a045ce4587f1079f84e675b) )
+	ROM_LOAD( "heavy_barrel_10.14a", 0x70000, 0x10000, CRC(47d95447) SHA1(d2ffe96a19cfcbddee0df07dad89bd83cba801fa) )
+
+	ROM_REGION( 0x40000, "oki", 0 ) /* ADPCM samples */
+	ROM_LOAD( "heavy_barrel_08.2c", 0x0000, 0x10000, CRC(645c5b68) SHA1(096ca5d7b5df752df6d2c856b3f94b29eea7c3de) )
+
+	ROM_REGION( 0x600, "proms", 0 )
+	ROM_LOAD( "mb7116e.12c", 0x000, 0x200, CRC(86e775f8) SHA1(e8dee3d56fb5ca0fd7f9ce05a84674abb139d008) ) /* Also known to be labeled as A-1 */
+	ROM_LOAD( "mb7122e.17e", 0x200, 0x400, CRC(a5cda23e) SHA1(d6c8534ae3c95b47a0701047fef67f15dd71f3fe) ) /* Also known to be labeled as A-2 */
+ROM_END
+
+ROM_START( hbarrelua ) /* DE-0297-1 main board, DE-0299-0 sub/rom board */
+	ROM_REGION( 0x60000, "maincpu", 0 ) /* 6*64k for 68000 code */
+	ROM_LOAD16_BYTE( "heavy_barrel_04-1.3c", 0x00000, 0x10000, CRC(4877b09e) SHA1(30c653b2f59fece881d088b675192ff2599adbe3) ) // the revision "1" was stamped on the label
+	ROM_LOAD16_BYTE( "heavy_barrel_01-1.3a", 0x00001, 0x10000, CRC(8b41c219) SHA1(5155095f459c29bd1fa5b3e8e2555db20a3bcfbc) ) // the revision "1" was stamped on the label
+	ROM_LOAD16_BYTE( "heavy_barrel_05.4c",   0x20000, 0x10000, CRC(2087d570) SHA1(625a33c2f4feed56f636d318531d0996cdee9194) )
+	ROM_LOAD16_BYTE( "heavy_barrel_02.4a",   0x20001, 0x10000, CRC(815536ae) SHA1(684f67dc92f2a3bd77effce68c50e4013e054d31) )
+	ROM_LOAD16_BYTE( "heavy_barrel_06.6c",   0x40000, 0x10000, CRC(da4e3fbc) SHA1(afc054eb5ee1d64d69fd8134d62e7c2d90f775c8) )
+	ROM_LOAD16_BYTE( "heavy_barrel_03.6a",   0x40001, 0x10000, CRC(7fed7c46) SHA1(697742a18a0b01acadb0bbddc54331ab7e097bd8) )
 
 	ROM_REGION( 0x10000, "audiocpu", 0 )    /* 6502 Sound */
 	ROM_LOAD( "heavy_barrel_07.8a", 0x8000, 0x8000, CRC(a127f0f7) SHA1(2cf962410936ac336e384dda2bf434a297bc940f) )
@@ -2661,6 +2714,10 @@ ROM_START( drgninjab2 )
 ROM_END
 
 
+/*
+Known to exist a PCB with ROMs EK 01-3 & EK 04-3 ("3" stamped on label) & the EK-31 MCU was also stamped revision 3
+The first version, EK 01-1 & EK 04-1 and the above mentioned revision 3 ROMs still need to be found and archived.
+*/
 ROM_START( birdtry ) // DE-0311-0 main board, DE-0299-2 sub/rom board
 	ROM_REGION( 0x60000, "maincpu", 0 ) // 6*64k for 68000 code
 	ROM_LOAD16_BYTE( "ek-04-2.3c", 0x00000, 0x10000, CRC(5f0f4686) SHA1(5eea74f5626339ebd50e623029f21f1cd0f93135) )
@@ -4290,7 +4347,8 @@ uint16_t dec0_state::ffantasybl_242024_r()
 
 //    YEAR, NAME,       PARENT,   MACHINE,    INPUT,      STATE/DEVICE,   INIT,        MONITOR,COMPANY,                 FULLNAME,            FLAGS
 GAME( 1987, hbarrel,    0,        hbarrel,    hbarrel,    dec0_state,     init_hbarrel,    ROT270, "Data East Corporation", "Heavy Barrel (World)", MACHINE_SUPPORTS_SAVE )
-GAME( 1987, hbarrelu,   hbarrel,  hbarrel,    hbarrel,    dec0_state,     init_hbarrel,    ROT270, "Data East USA",         "Heavy Barrel (US)", MACHINE_SUPPORTS_SAVE )
+GAME( 1987, hbarrelu,   hbarrel,  hbarrel,    hbarrel,    dec0_state,     init_hbarrel,    ROT270, "Data East USA",         "Heavy Barrel (US, revision 3)", MACHINE_SUPPORTS_SAVE )
+GAME( 1987, hbarrelua,  hbarrel,  hbarrel,    hbarrel,    dec0_state,     init_hbarrel,    ROT270, "Data East USA",         "Heavy Barrel (US, revision 1)", MACHINE_SUPPORTS_SAVE )
 GAME( 1988, baddudes,   0,        baddudes,   baddudes,   dec0_state,     init_hbarrel,    ROT0,   "Data East USA",         "Bad Dudes vs. Dragonninja (US, revision 1)", MACHINE_SUPPORTS_SAVE )
 GAME( 1988, drgninja,   baddudes, baddudes,   drgninja,   dec0_state,     init_hbarrel,    ROT0,   "Data East Corporation", "Dragonninja (Japan, revision 1)", MACHINE_SUPPORTS_SAVE )
 GAME( 1988, birdtry,    0,        birdtry,    birdtry,    dec0_state,     init_hbarrel,    ROT270, "Data East Corporation", "Birdie Try (Japan, revision 2, revision 1 MCU)", MACHINE_SUPPORTS_SAVE )

src/mame/entex/advision.cpp

@@ -30,7 +30,6 @@ different rate, hence MAME configures a larger screen. In fact, the homebrew dem
 Code Red doesn't use the BIOS for it, and runs at 50*40 to save some RAM.
 
 TODO:
-- EA banking is ugly, it can be turd-polished but the real issue is in mcs48
 - display refresh is actually ~14Hz, but doing that will make MAME very sluggish
 
 BTANB:
@@ -71,7 +70,6 @@ class advision_state : public driver_device
 		m_led_update(*this, "led_update"),
 		m_led_off(*this, "led_off"),
 		m_cart(*this, "cartslot"),
-		m_ea_bank(*this, "ea_bank"),
 		m_joy(*this, "JOY"),
 		m_conf(*this, "CONF")
 	{ }
@@ -94,7 +92,6 @@ class advision_state : public driver_device
 	required_device<timer_device> m_led_update;
 	required_device<timer_device> m_led_off;
 	required_device<generic_slot_device> m_cart;
-	required_memory_bank m_ea_bank;
 	required_ioport m_joy;
 	required_ioport m_conf;
 
@@ -108,7 +105,6 @@ class advision_state : public driver_device
 	u8 m_led_latch[5] = { };
 	std::unique_ptr<u8[]> m_display;
 
-	memory_region *m_cart_rom = nullptr;
 	std::vector<u8> m_ext_ram;
 	u16 m_rambank = 0;
 	u8 m_sound_cmd = 0;
@@ -288,8 +284,6 @@ void advision_state::bankswitch_w(u8 data)
 
 	// P12: 8048 EA pin
 	m_maincpu->set_input_line(MCS48_INPUT_EA, BIT(data, 2) ? ASSERT_LINE : CLEAR_LINE);
-	if (m_cart_rom)
-		m_ea_bank->set_entry(BIT(data, 2));
 }
 
 u8 advision_state::ext_ram_r(offs_t offset)
@@ -319,7 +313,6 @@ void advision_state::ext_ram_w(offs_t offset, u8 data)
 void advision_state::program_map(address_map &map)
 {
 	map(0x0000, 0x0fff).r(m_cart, FUNC(generic_slot_device::read_rom));
-	map(0x0000, 0x03ff).bankr("ea_bank");
 }
 
 void advision_state::io_map(address_map &map)
@@ -379,16 +372,6 @@ INPUT_PORTS_END
 
 void advision_state::machine_start()
 {
-	// configure EA banking
-	std::string region_tag;
-	m_cart_rom = memregion(region_tag.assign(m_cart->tag()).append(GENERIC_ROM_REGION_TAG).c_str());
-
-	m_ea_bank->configure_entry(0, memregion("maincpu")->base());
-	if (m_cart_rom)
-		m_ea_bank->configure_entry(1, m_cart_rom->base());
-	m_maincpu->space(AS_PROGRAM).install_read_bank(0x0000, 0x03ff, m_ea_bank);
-	m_ea_bank->set_entry(0);
-
 	// allocate display buffer
 	m_display = std::make_unique<u8 []>(DISPLAY_WIDTH * 40);
 	std::fill_n(m_display.get(), DISPLAY_WIDTH * 40, 0);

src/mame/fidelity/card.cpp

@@ -27,7 +27,7 @@ and has to peek at the card before it is scanned.
 - the VFD scrolls around 30% too slow compared to the real one, probably depends
   on how many T1 clock edges the 8041 can detect (see mcu_t1_r)
 
-********************************************************************************
+================================================================================
 
 Voice Bridge Challenger (Model VBRC, later reissued as Model 7002/BV2)
 and Bridge Challenger 3 (Model 7014)
@@ -120,7 +120,7 @@ P7.1 - goes through inverter, to pads that are not used
 P7.2 - segment C
 P7.3 - segment H
 
-button matrix:
+Button matrix:
 --------------
 the matrix is composed of 8 columns by 4 rows.
 

src/mame/fidelity/cc1.cpp

@@ -34,7 +34,7 @@ similar to it. Ron C. Nelson must have ported the algorithms to 8080 when he wro
 his Altair 8800 chess program, and this is what made it into CC1.
 
 CC1 hardware overview:
-- PCB label PC-P-86, P179 C-2 7.77
+- PCB label: PC-P-86, P179 C-2 7.77
 - NEC 8080AF @ 2MHz(18MHz XTAL through a 8224)
 - Everything goes via a NEC B8228, its special features are unused.
 - NEC 2316A ROM(2KB), 4*2101AL RAM(0.5KB total)

src/mame/fidelity/cc10.cpp

@@ -9,10 +9,10 @@ Fidelity CC10 / Fidelity ACR
 - What is cc10 8255 PB.7 for? When set, maximum levels is 3, like in CC3. But
   there is no CC3 with 16 buttons, and things get glitchy in this mode.
 
-********************************************************************************
+================================================================================
 
 Fidelity Chess Challenger 10 (CCX)
--------------------
+----------------------------------
 3 versions are known to exist: A,B,C. Strangely, version C(UCC10) has an 8080
 instead of Z80 and no beeper, it's on CC1-based hardware (see cc1.cpp).
 

src/mame/fidelity/cc7.cpp

@@ -4,7 +4,7 @@
 /*******************************************************************************
 
 Fidelity Chess Challenger 7 (BCC)
-------------------------
+---------------------------------
 It was Fidelity's most sold chess computer. The first version was released in
 1979, and a newer PCB revision was produced in 1980.
 
@@ -31,7 +31,7 @@ Memory map:
 4000-FFFF: Z80 A14/A15 not connected
 
 Port map (Write):
----------
+-----------------
 D0-D3: digit select and keypad mux
 D4: CHECK led
 D5: LOSE led
@@ -41,7 +41,7 @@ NE591 Q0-Q6: digit segments A-G
 NE591 Q7: buzzer
 
 Port map (Read):
----------
+----------------
 D0-D3: keypad row
 
 *******************************************************************************/