From 41f6cf2862a9bd3e07662838efda9032f2733a34 Mon Sep 17 00:00:00 2001
From: hap <happppp@users.noreply.github.com>
Date: Sun, 29 Oct 2023 21:56:47 +0100
Subject: videoart: tweak palette

---
 src/mame/layout/videoart.lay | 26 +++++++++++++-------------
 src/mame/misc/videoart.cpp   | 35 +++++++++++++++++++----------------
 2 files changed, 32 insertions(+), 29 deletions(-)

diff --git a/src/mame/layout/videoart.lay b/src/mame/layout/videoart.lay
index e88073da8a1..8aa687a1805 100644
--- a/src/mame/layout/videoart.lay
+++ b/src/mame/layout/videoart.lay
@@ -30,19 +30,19 @@ license:CC0-1.0
 		<rect><bounds x="16"  y="0" width="20" height="1" /><color red="1.00" green="1.00" blue="1.00" /></rect> <!-- 0 white -->
 		<rect><bounds x="32"  y="0" width="20" height="1" /><color red="0.50" green="0.50" blue="0.50" /></rect> <!-- 1 gray -->
 		<rect><bounds x="48"  y="0" width="20" height="1" /><color red="0.00" green="0.00" blue="0.00" /></rect> <!-- 2 black -->
-		<rect><bounds x="64"  y="0" width="20" height="1" /><color red="0.06" green="0.38" blue="0.03" /></rect> <!-- 3 dark green -->
-		<rect><bounds x="80"  y="0" width="20" height="1" /><color red="0.50" green="0.75" blue="0.06" /></rect> <!-- 4 lime green -->
-		<rect><bounds x="96"  y="0" width="20" height="1" /><color red="0.25" green="0.75" blue="0.06" /></rect> <!-- 5 green -->
-		<rect><bounds x="112" y="0" width="20" height="1" /><color red="0.38" green="0.75" blue="1.00" /></rect> <!-- 6 cyan -->
-		<rect><bounds x="128" y="0" width="20" height="1" /><color red="0.06" green="0.38" blue="0.88" /></rect> <!-- 7 blue -->
-		<rect><bounds x="144" y="0" width="20" height="1" /><color red="0.38" green="0.13" blue="0.50" /></rect> <!-- 8 purple -->
-		<rect><bounds x="160" y="0" width="20" height="1" /><color red="0.75" green="0.50" blue="1.00" /></rect> <!-- 9 lilac -->
-		<rect><bounds x="176" y="0" width="20" height="1" /><color red="0.44" green="0.25" blue="0.03" /></rect> <!-- a brown -->
-		<rect><bounds x="192" y="0" width="20" height="1" /><color red="0.50" green="0.13" blue="0.47" /></rect> <!-- b dark pink -->
-		<rect><bounds x="208" y="0" width="20" height="1" /><color red="1.00" green="0.50" blue="1.00" /></rect> <!-- c pink -->
-		<rect><bounds x="224" y="0" width="20" height="1" /><color red="0.50" green="0.13" blue="0.13" /></rect> <!-- d dark red -->
-		<rect><bounds x="240" y="0" width="20" height="1" /><color red="1.00" green="0.38" blue="0.38" /></rect> <!-- e light red -->
-		<rect><bounds x="256" y="0" width="16" height="1" /><color red="0.88" green="0.50" blue="0.06" /></rect> <!-- f orange -->
+		<rect><bounds x="64"  y="0" width="20" height="1" /><color red="0.08" green="0.41" blue="0.08" /></rect> <!-- 3 dark green -->
+		<rect><bounds x="80"  y="0" width="20" height="1" /><color red="0.71" green="1.00" blue="0.22" /></rect> <!-- 4 lime green -->
+		<rect><bounds x="96"  y="0" width="20" height="1" /><color red="0.52" green="1.00" blue="0.41" /></rect> <!-- 5 green -->
+		<rect><bounds x="112" y="0" width="20" height="1" /><color red="0.60" green="0.91" blue="1.00" /></rect> <!-- 6 cyan -->
+		<rect><bounds x="128" y="0" width="20" height="1" /><color red="0.25" green="0.19" blue="0.74" /></rect> <!-- 7 blue -->
+		<rect><bounds x="144" y="0" width="20" height="1" /><color red="0.44" green="0.13" blue="0.47" /></rect> <!-- 8 purple -->
+		<rect><bounds x="160" y="0" width="20" height="1" /><color red="0.99" green="0.66" blue="1.00" /></rect> <!-- 9 light pink -->
+		<rect><bounds x="176" y="0" width="20" height="1" /><color red="0.24" green="0.31" blue="0.00" /></rect> <!-- a moss green -->
+		<rect><bounds x="192" y="0" width="20" height="1" /><color red="0.47" green="0.13" blue="0.22" /></rect> <!-- b dark red -->
+		<rect><bounds x="208" y="0" width="20" height="1" /><color red="1.00" green="0.56" blue="1.00" /></rect> <!-- c pink -->
+		<rect><bounds x="224" y="0" width="20" height="1" /><color red="0.35" green="0.20" blue="0.00" /></rect> <!-- d brown -->
+		<rect><bounds x="240" y="0" width="20" height="1" /><color red="1.00" green="0.63" blue="0.50" /></rect> <!-- e light red -->
+		<rect><bounds x="256" y="0" width="16" height="1" /><color red="1.00" green="0.77" blue="0.25" /></rect> <!-- f orange -->
 
 		<text string="×" align="1">
 			<bounds state="0" x="259" y="0" width="20" height="0.9" />
diff --git a/src/mame/misc/videoart.cpp b/src/mame/misc/videoart.cpp
index 62b6506e552..2a0a0db34a5 100644
--- a/src/mame/misc/videoart.cpp
+++ b/src/mame/misc/videoart.cpp
@@ -18,12 +18,15 @@ Hardware notes:
 - TSGB01019ACP 48-pin DIP gate array (die label: MOSTEK (C) 1984, MK GB 1000 HAA),
   interfaces with EF9367P and DRAM
 - 2*D41416C-15 (16Kbit*4) DRAM
-- 36-pin cartridge slot, 8KB or 16KB ROM
+- 36-pin cartridge slot, 8KB or 16KB ROM (can also boot without cartridge)
 - DB9 joystick port, no known peripherals other than the default analog joystick
 - RF NTSC video, no sound
 
+LJN also patented a video art system under US4782335, but the hardware doesn't
+match the final product. It has no CPU, and no cartridge slot.
+
 TODO:
-- palette is approximated from photos/videos (there is no color prom)
+- palette is approximated from photos/videos, there is no color prom
 
 *******************************************************************************/
 
@@ -141,24 +144,24 @@ DEVICE_IMAGE_LOAD_MEMBER(videoart_state::cart_load)
 constexpr rgb_t videoart_colors[] =
 {
 	{ 0x00, 0x00, 0x00 }, // 2 black
-	{ 0x10, 0x60, 0xe0 }, // 7 blue
-	{ 0x10, 0x60, 0x08 }, // 3 dark green
+	{ 0x40, 0x30, 0xbc }, // 7 blue
+	{ 0x14, 0x68, 0x14 }, // 3 dark green
 	{ 0xff, 0xff, 0xff }, // 0 white
 
-	{ 0x80, 0x20, 0x78 }, // b dark pink
-	{ 0x60, 0x20, 0x80 }, // 8 purple
-	{ 0x70, 0x40, 0x08 }, // a brown
-	{ 0x80, 0x20, 0x20 }, // d dark red
+	{ 0x78, 0x20, 0x38 }, // b dark red
+	{ 0x70, 0x20, 0x78 }, // 8 purple
+	{ 0x3c, 0x50, 0x00 }, // a moss green
+	{ 0x58, 0x34, 0x00 }, // d brown
 
 	{ 0x80, 0x80, 0x80 }, // 1 gray
-	{ 0x60, 0xc0, 0xff }, // 6 cyan
-	{ 0x80, 0xc0, 0x10 }, // 4 lime green
-	{ 0x40, 0xc0, 0x10 }, // 5 green
-
-	{ 0xff, 0x80, 0xff }, // c pink
-	{ 0xc0, 0x80, 0xff }, // 9 lilac
-	{ 0xe0, 0x80, 0x10 }, // f orange
-	{ 0xff, 0x60, 0x60 }  // e light red
+	{ 0x98, 0xe8, 0xff }, // 6 cyan
+	{ 0xb4, 0xff, 0x38 }, // 4 lime green
+	{ 0x84, 0xff, 0x68 }, // 5 green
+
+	{ 0xff, 0x90, 0xff }, // c pink
+	{ 0xfc, 0xa8, 0xff }, // 9 light pink
+	{ 0xff, 0xc4, 0x40 }, // f orange
+	{ 0xff, 0xa0, 0x80 }  // e light red
 };
 
 void videoart_state::palette(palette_device &palette) const
-- 
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