mm2: update notes about turbokit, chess*: small tweaks

src/emu/layout/smartboard.lay

@@ -12,7 +12,7 @@ license:CC0-1.0
 		<disk><color red="0.1" green="0.05" blue="0.07" /></disk>
 	</element>
 	<element name="ledr" defstate="0">
-		<disk state="1">    <color red="1" green="0" blue="0" />  </disk>
+		<disk state="1"><color red="1" green="0" blue="0" /></disk>
 	</element>
 
 	<element name="piece" defstate="0">

src/mame/hegenerglaser/mm2.cpp

@@ -7,8 +7,9 @@ Mephisto MM II series chesscomputers
 
 TODO:
 - rebel5 unknown read from 0x4002, looks like leftover bookrom check
-- need to emulate TurboKit properly, also for mm5p (it's not as simple as a CPU
+- need to emulate TurboKit properly as a slot device, also for mm5p (it's not as
-  overclock plus ROM patch)
+  simple as a CPU overclock), TK20 EPROM is dumped for the common version (6502
+  Mephisto/Fidelity/Novag/etc.) and for the SciSys Maestro/Analyst version
 - correct rom labels (applies to the filenames with .bin extension)
 
 ================================================================================
@@ -29,15 +30,18 @@ ported his Nona program to MM II hardware, using Ed Schröder's interface (hence
 similarity with Rebel). According to research, this version competed in the 1985 Dutch
 Open Computer Chess Championship.
 
-MM IV Turbo Kit 18MHz - (mm4tk)
+MM IV TurboKit 18MHz - (mm4tk)
-This is a replacement ROM combining the Turbo Kit initial ROM with the original MM IV.
+This is a replacement ROM combining the TurboKit initial ROM with the original MM IV.
-The Turbo Kit powers up to it's tiny ROM, copies itself to RAM, banks in normal ROM,
+The TurboKit powers up to it's tiny ROM, copies itself to RAM, banks in normal ROM,
 copies that to faster SRAM, then patches the checksum and the LED blink delays.
 
-There is an undumped MM V Turbo Kit, which will be the exact same except for location
+There is an undumped MM V TurboKit, which will be the exact same except for location
 of the patches. The mm5tk just needs the normal mm5 ROM swapped out for that one to
 blinks the LEDs a little slower.
 
+Correction: The real TK20 TurboKit does not patch the ROM, so mm4tk (and a possible
+mm5 version of this) is more likely a SteveUK hack.
+
 The MM V prototype was the program that Ed Schröder participated with as "Rebel" at
 the 1989 WMCCC in Portorose. It was used with the TK20 TurboKit.
 For more information, see: http://chesseval.com/ChessEvalJournal/PrototypeMMV.htm

src/mame/layout/tascr30.lay

@@ -15,21 +15,21 @@ license:CC0-1.0
 		<disk><color red="0.1" green="0.05" blue="0.07" /></disk>
 	</element>
 	<element name="ledr" defstate="0">
-		<disk state="1">    <color red="1" green="0" blue="0" />  </disk>
+		<disk state="1"><color red="1" green="0" blue="0" /></disk>
 	</element>
 	<element name="ledg" defstate="0">
-		<disk state="0">    <color red="0.05" green="0.15" blue="0.05" />   </disk>
+		<disk state="0"><color red="0.05" green="0.15" blue="0.05" /></disk>
-		<disk state="1">    <color red="0.1" green="1" blue="0.15" />   </disk>
+		<disk state="1"><color red="0.1" green="1" blue="0.15" /></disk>
 	</element>
 
 	<element name="hlb">
-		<rect state="0"> <color red="0.1" green="0.1" blue="0.1" /> </rect>
+		<rect state="0"><color red="0.1" green="0.1" blue="0.1" /></rect>
-		<rect state="1"> <color red="0.4" green="0.4" blue="0.4" /> </rect>
+		<rect state="1"><color red="0.4" green="0.4" blue="0.4" /></rect>
 	</element>
 
 	<element name="hlbr">
-		<disk state="0"> <color red="0.75" green="0.5" blue="0.25" /> </disk>
+		<disk state="0"><color red="0.75" green="0.5" blue="0.25" /></disk>
-		<disk state="1"> <color red="0.65" green="0.4" blue="0.2" /> </disk>
+		<disk state="1"><color red="0.65" green="0.4" blue="0.2" /></disk>
 	</element>
 
 	<element name="piece" defstate="0">

src/mame/novag/svip.cpp

@@ -265,7 +265,7 @@ void svip_state::svip(machine_config &config)
 
 	screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_SVG));
 	screen.set_refresh_hz(60);
-	screen.set_size(1920/3, 606/3);
+	screen.set_size(1920/2.5, 606/2.5);
 	screen.set_visarea_full();
 
 	config.set_default_layout(layout_novag_svip);

src/mame/saitek/edames.cpp

@@ -202,7 +202,7 @@ void edames_state::p7_w(u8 data)
 	update_display();
 
 	// P74: speaker out
-	m_dac->write(BIT(data, 4));
+	m_dac->write(BIT(~data, 4));
 }
 
 

src/mame/saitek/intchess.cpp

@@ -123,10 +123,10 @@ INPUT_CHANGED_MEMBER(intchess_state::reset_button)
 
 void intchess_state::init_palette(palette_device &palette) const
 {
-	palette.set_pen_color(0, 0xb0, 0xd0, 0xff);
+	palette.set_pen_color(0, 0xb0, 0xd0, 0xff); // cyan
-	palette.set_pen_color(1, 0x00, 0x00, 0x00);
+	palette.set_pen_color(1, 0x00, 0x00, 0x00); // black
-	palette.set_pen_color(2, 0x88, 0xa8, 0x50);
+	palette.set_pen_color(2, 0x88, 0xa8, 0x50); // green
-	palette.set_pen_color(3, 0xff, 0xff, 0xff);
+	palette.set_pen_color(3, 0xff, 0xff, 0xff); // white
 }
 
 u32 intchess_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)

src/mame/saitek/leonardo.cpp

@@ -14,10 +14,10 @@ hardware button that disconnects the battery), there is no known method to
 force a cold boot. So if NVRAM somehow becomes broken, remove the NVRAM files.
 
 They called the expansion capability "OSA", for "Open Systems Architecture".
-A serial port for linking to a PC, and a parallel port for expansion modules.
+A serial port for linking to a PC or homecomputer, and a parallel port for
-The expansion modules are basically entire chesscomputers, making the whole
+expansion modules. The expansion modules are basically entire chesscomputers,
-thing combined a 'dual brain' chesscomputer. The embedded chess engine is by
+making the whole thing combined a 'dual brain' chesscomputer. The embedded chess
-Julio Kaplan and Craig Barnes, same as the one in SciSys Turbo S-24K.
+engine is by Julio Kaplan and Craig Barnes, same as the one in Turbo S-24K.
 
 OSA serial link transmission format: 1 start bit, 8 data bits, 1 stop bit, no
 parity. The default baudrate is 1200. To establish a connection, command "o" must