From 38b8d8e9db0ee123748fda8c163349fb62a65453 Mon Sep 17 00:00:00 2001
From: mjbudd77 <mjbudd77@gmail.com>
Date: Wed, 16 Jun 2021 23:00:40 -0400
Subject: [PATCH] Added config parameters to save state of PAL palette
 controls, force grayscale, and de-emphasis bit swap settings.

---
 src/drivers/Qt/PaletteConf.cpp | 14 ++++++++++++++
 src/drivers/Qt/config.cpp      | 24 ++++++++++++++++++++++++
 2 files changed, 38 insertions(+)

diff --git a/src/drivers/Qt/PaletteConf.cpp b/src/drivers/Qt/PaletteConf.cpp
index 33d01189..7342008c 100644
--- a/src/drivers/Qt/PaletteConf.cpp
+++ b/src/drivers/Qt/PaletteConf.cpp
@@ -367,6 +367,8 @@ void PaletteConfDialog_t::force_GrayScale_Changed(int state)
 		force_grayscale = value ? true : false;
 		FCEUI_SetNTSCTH(e, t, h);
 		fceuWrapperUnLock();
+
+		g_config->setOption("SDL.ForceGrayScale", force_grayscale);
 	}
 }
 //----------------------------------------------------
@@ -383,6 +385,8 @@ void PaletteConfDialog_t::deemphswap_Changed(int state)
 		paldeemphswap = value ? true : false;
 		FCEUI_SetNTSCTH(e, t, h);
 		fceuWrapperUnLock();
+
+		g_config->setOption("SDL.DeempBitSwap", paldeemphswap);
 	}
 }
 //----------------------------------------------------
@@ -555,6 +559,8 @@ void PaletteConfDialog_t::palNotchChanged(int value)
 		palupdate = 1;
 
 		fceuWrapperUnLock();
+
+		g_config->setOption("SDL.PalNotch", palnotch);
 	}
 }
 //----------------------------------------------------
@@ -571,6 +577,8 @@ void PaletteConfDialog_t::palSaturationChanged(int value)
 		palupdate      = 1;
 
 		fceuWrapperUnLock();
+
+		g_config->setOption("SDL.PalSaturation", palsaturation);
 	}
 }
 //----------------------------------------------------
@@ -582,6 +590,8 @@ void PaletteConfDialog_t::palSharpnessChanged(int value)
 		palupdate      = 1;
 
 		fceuWrapperUnLock();
+
+		g_config->setOption("SDL.PalSharpness", palsharpness);
 	}
 }
 //----------------------------------------------------
@@ -598,6 +608,8 @@ void PaletteConfDialog_t::palContrastChanged(int value)
 		palupdate      = 1;
 
 		fceuWrapperUnLock();
+
+		g_config->setOption("SDL.PalContrast", palcontrast);
 	}
 }
 //----------------------------------------------------
@@ -614,6 +626,8 @@ void PaletteConfDialog_t::palBrightnessChanged(int value)
 		palupdate      = 1;
 
 		fceuWrapperUnLock();
+
+		g_config->setOption("SDL.PalBrightness", palbrightness);
 	}
 }
 //----------------------------------------------------
diff --git a/src/drivers/Qt/config.cpp b/src/drivers/Qt/config.cpp
index fd5981d6..dfa71c4f 100644
--- a/src/drivers/Qt/config.cpp
+++ b/src/drivers/Qt/config.cpp
@@ -24,6 +24,7 @@
 #include "Qt/config.h"
 
 #include "fceu.h"
+#include "ppu.h"
 #include "../common/cheat.h"
 
 #include "Qt/input.h"
@@ -53,6 +54,13 @@
 #include <sys/types.h>
 #endif
 
+extern bool force_grayscale;
+extern bool palupdate;
+extern  int palnotch;
+extern  int palsaturation;
+extern  int palsharpness;
+extern  int palcontrast;
+extern  int palbrightness;
 
 int getHotKeyConfig( int i, const char **nameOut, const char **keySeqOut, const char **titleOut )
 {
@@ -471,6 +479,13 @@ InitConfig()
 	config->addOption("tint", "SDL.Tint", 56);
 	config->addOption("hue", "SDL.Hue", 72);
 	config->addOption("ntsccolor", "SDL.NTSCpalette", 0);
+	config->addOption("SDL.ForceGrayScale", 0);
+	config->addOption("SDL.DeempBitSwap", 0);
+	config->addOption("SDL.PalNotch", 100);
+	config->addOption("SDL.PalSaturation", 100);
+	config->addOption("SDL.PalSharpness", 0);
+	config->addOption("SDL.PalContrast", 100);
+	config->addOption("SDL.PalBrightness", 50);
 
 	// scanline settings
 	config->addOption("SDL.ScanLineStartNTSC", 0+8);
@@ -837,6 +852,15 @@ UpdateEMUCore(Config *config)
 	config->getOption("SDL.Hue", &ntschue);
 	FCEUI_SetNTSCTH(ntsccol, ntsctint, ntschue);
 
+	config->getOption("SDL.ForceGrayScale", &force_grayscale);
+	config->getOption("SDL.DeempBitSwap"  , &paldeemphswap);
+	config->getOption("SDL.PalNotch"      , &palnotch);
+	config->getOption("SDL.PalSaturation" , &palsaturation);
+	config->getOption("SDL.PalSharpness"  , &palsharpness);
+	config->getOption("SDL.PalContrast"   , &palcontrast);
+	config->getOption("SDL.PalBrightness" , &palbrightness);
+	palupdate = 1;
+
 	config->getOption("SDL.Palette", &cpalette);
 	if(cpalette.size()) {
 		LoadCPalette(cpalette);