sag: preparing for pacman2 dump

hash/entex_sag.xml

@@ -9,6 +9,16 @@ license:CC0
 Cartridges(MCU+ROM) for Entex Select-A-Game Machine, note that the manual and
 label calls one "Select-A-Game Cartridge" and not "Select-A-Game Machine Cartridge"
 
+Games released, MCU:
+- Baseball 4       - HD38800
+- Basketball 3     - HD38800
+- Football 4       - TMS1670
+- Pac-Man 2        - HD38800
+- Pinball          - HD38800
+- Space Invader 2  - HD38800
+
+Battleship and Turtles were announced but unreleased.
+
 -->
 
 <softwarelist name="entex_sag" description="Select-A-Game cartridges">

src/mame/drivers/cv1k.cpp

@@ -139,8 +139,8 @@ Misc:
 
 Note: * The Altera EPM7032 usually stamped / labeled with the Cave game ID number as listed above.
       * Actual flash ROMs will vary by manufacturer but will be compatible with flash ROM listed.
-      * There are two known CV1000-B PCB revisions. The newer one uses an updated FPGA firmware
-        and has some minor hardware differences.
+      * There are two known CV1000-B PCB revisions. The newer one has some minor hardware differences
+        and uses an updated FPGA firmware, they are not compatible with eachother.
       * The CV1000-D revision PCB has double the RAM at U1, double the ROM at U4 and no battery.
         The CV1000-D is used for Dodonpachi Daifukkatsu and later games. Commonly referred to as SH3B PCB.
 

src/mame/drivers/cxg_sphinx40.cpp

@@ -42,6 +42,7 @@ LCD module
 ******************************************************************************/
 
 #include "emu.h"
+
 #include "cpu/m68000/m68000.h"
 #include "machine/6821pia.h"
 #include "machine/nvram.h"
@@ -49,6 +50,7 @@ LCD module
 #include "sound/dac.h"
 #include "video/pwm.h"
 #include "video/hd61603.h"
+
 #include "speaker.h"
 
 // internal artwork

src/mame/drivers/hh_melps4.cpp

@@ -116,6 +116,8 @@ namespace {
   * Mitsubishi M58846-701P MCU
   * cyan/red/green VFD display Itron CP5090GLR R1B, with partial color overlay
 
+  There's also a Gakken version that appears to be the same game underneath.
+
 ***************************************************************************/
 
 class cfrogger_state : public hh_melps4_state

src/mame/drivers/microvsn.cpp

@@ -10,13 +10,16 @@ Hardware notes:
 - piezo, 12 buttons under membrane + analog paddle(MB calls it the Control Knob)
 - no CPU on console, it is on the cartridge
 
+The LCD motion blur is normal. To decrease it, simply increase the screen contrast
+in MAME, this makes it similar to repro LCD replacements. It's also advised to
+disable screen filtering, eg. with -prescale or -nofilter.
+
 12 games were released, all of them have a TMS1100 MCU. The first couple of
 games had an Intel 8021 MCU at first, but Milton Bradley switched to TMS1100.
 See the softwarelist XML for details.
 
-Each game had a screen- and button overlay attached to it, MAME external
-artwork is recommended. It's also advised to disable screen filtering,
-eg. with -prescale or -nofilter.
+Each game had a screen- and button overlay attached to it, MAME external artwork
+is recommended.
 
 TODO:
 - dump/add remaining 8021 cartridges, which games have 8021 versions? An online
@@ -262,7 +265,7 @@ uint32_t microvision_state::screen_update(screen_device &screen, bitmap_rgb32 &b
 		for (int x = 0; x < 16; x++)
 		{
 			// simulate LCD persistence
-			int p = m_lcd_pwm->read_element_bri(y ^ 15, x ^ 15) * 10000;
+			int p = m_lcd_pwm->read_element_bri(y ^ 15, x ^ 15) * 8500;
 			p = (p > 255) ? 0 : p ^ 255;
 
 			if (cliprect.contains(x, y))
@@ -463,7 +466,7 @@ void microvision_state::microvision(machine_config &config)
 	m_lcd->write_cols().set(FUNC(microvision_state::lcd_output_w));
 
 	PWM_DISPLAY(config, m_lcd_pwm).set_size(16, 16);
-	m_lcd_pwm->set_interpolation(0.2);
+	m_lcd_pwm->set_interpolation(0.25);
 	config.set_default_layout(layout_microvision);
 
 	screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_LCD));

src/mame/drivers/sag.cpp

@@ -10,27 +10,16 @@ and the cartridge holds the MCU(processor, ROM, RAM).
 Hardware notes:
 - cyan/red VFD display Futaba DM-16Z + cyan VFD 9-digit panel Futaba 9-ST-11A 1F
 - 1-bit sound, two 7-button control panels attached to each side
-- edge connector to cartridge, MCU on cartridge (see below for each MCU type)
+- edge connector to cartridge, MCU on cartridge (HD38800 or TMS1670)
 
-Games released, MCU: (*denotes undumped)
-- Baseball 4       - HD38800
-- Basketball 3     - HD38800
-- Football 4       - TMS1670
-- *Pac-Man 2       - HD38800
-- Pinball          - HD38800
-- Space Invader 2  - HD38800
+A 2nd version of the console was announced, called Table Top Game Machine,
+supposed to be backward-compatible, but Entex didn't release it. Their next
+console was the Adventure Vision.
 
-Battleship and Turtles were announced but unreleased.
-A 2nd version of the console was also announced, called Table Top Game Machine,
-but Entex didn't release it. Their next console was the Adventure Vision.
-
-MAME external artwork is recommended for the per-game VFD overlays. For internal
-artwork, remember that the orientation can be rotated in the video options.
-By default, the "visitor" side is at the bottom. This is how most of the games
-are played, Space Invader 2 is an exception.
-
-TODO:
-- add the rest of the games
+MAME external artwork is recommended for the per-game VFD overlays. The artwork
+orientation can be rotated in the video options. By default, the "visitor" side
+is at the bottom. This is how most of the games are played, Space Invader 2 is
+an exception.
 
 ******************************************************************************/