From ab05a80e100c4dd7dfa1089ad8beb123da1b4de0 Mon Sep 17 00:00:00 2001
From: sorgelig <pour.garbage@gmail.com>
Date: Wed, 9 May 2018 17:37:01 +0800
Subject: [PATCH] INI option to disable boot screen of some cores.

---
 MiSTer.ini       |  1 +
 cfg.cpp          |  2 ++
 cfg.h            |  1 +
 minimig_boot.cpp | 40 ++++++++++++++++++++++------------------
 4 files changed, 26 insertions(+), 18 deletions(-)

diff --git a/MiSTer.ini b/MiSTer.ini
index c680859..425dba2 100644
--- a/MiSTer.ini
+++ b/MiSTer.ini
@@ -6,6 +6,7 @@ composite_sync=0       ; set to 1 for composite sync on HSync signal of VGA outp
 vga_scaler=0           ; set to 1 to connect VGA to scaler output.
 hdmi_audio_96k=0       ; set to 1 for 96khz/16bit HDMI audio (48khz/16bit otherwise)
 keyrah_mode=0x18d80002 ; VIDPID of keyrah for special code translation (0x23418037 for Arduino Micro)
+;bootscreen=0          ; uncomment to disable boot screen of some cores like Minimig. 
 
 ; USER button emulation by keybaord. Usually it's reset button.
 ; 0 - lctrl+lalt+ralt (lctrl+lgui+rgui on keyrah)
diff --git a/cfg.cpp b/cfg.cpp
index 4c3e2f2..2e4bb23 100644
--- a/cfg.cpp
+++ b/cfg.cpp
@@ -12,6 +12,7 @@ cfg_t cfg;
 void MiSTer_ini_parse()
 {
 	memset(&cfg, 0, sizeof(cfg));
+	cfg.bootscreen = 1;
 	ini_parse(&ini_cfg);
 }
 
@@ -37,6 +38,7 @@ const ini_var_t ini_vars[] = {
 	{ "DVI_MODE", (void*)(&(cfg.dvi)), UINT8, 0, 1, 1 },
 	{ "KBD_NOMOUSE", (void*)(&(cfg.kbd_nomouse)), UINT8, 0, 1, 1 },
 	{ "MOUSE_THROTTLE", (void*)(&(cfg.mouse_throttle)), UINT8, 1, 100, 1 },
+	{ "BOOTSCREEN", (void*)(&(cfg.bootscreen)), UINT8, 0, 1, 1 },
 };
 
 // mist ini config
diff --git a/cfg.h b/cfg.h
index 4275aef..90b4571 100644
--- a/cfg.h
+++ b/cfg.h
@@ -27,6 +27,7 @@ typedef struct {
 	uint8_t vsync_adjust;
 	uint8_t kbd_nomouse;
 	uint8_t mouse_throttle;
+	uint8_t bootscreen;
 	char video_conf[1024];
 } cfg_t;
 
diff --git a/minimig_boot.cpp b/minimig_boot.cpp
index 9b2e4ed..654afe3 100644
--- a/minimig_boot.cpp
+++ b/minimig_boot.cpp
@@ -12,6 +12,7 @@
 #include "file_io.h"
 #include "minimig_config.h"
 #include "minimig_fdd.h"
+#include "cfg.h"
 
 static uint8_t buffer[1024];
 
@@ -433,27 +434,30 @@ void BootInit()
 	spi8(rstval);
 	DisableOsd();
 
-	//default video config till real config loaded.
-	ConfigVideo(0,0, 0x40);
-	ConfigAudio(0);
+	if (cfg.bootscreen)
+	{
+		//default video config till real config loaded.
+		ConfigVideo(0, 0, 0x40);
+		ConfigAudio(0);
 
-	WaitTimer(100);
+		WaitTimer(100);
 
-	BootEnableMem();
-	BootClearScreen(SCREEN_ADDRESS, SCREEN_MEM_SIZE);
-	BootUploadLogo();
-	BootUploadBall();
-	BootUploadCopper();
-	BootCustomInit();
+		BootEnableMem();
+		BootClearScreen(SCREEN_ADDRESS, SCREEN_MEM_SIZE);
+		BootUploadLogo();
+		BootUploadBall();
+		BootUploadCopper();
+		BootCustomInit();
 
-	WaitTimer(500);
-	char rtl_ver[128];
-	sprintf(rtl_ver, "MINIMIG-AGA%s v%d.%d.%d by Rok Krajnc. MiSTer port by Sorgelig.", ver_beta ? " BETA" : "", ver_major, ver_minor, ver_minion);
-	BootPrintEx(rtl_ver);
-	BootPrintEx(" ");
-	BootPrintEx("Original Minimig by Dennis van Weeren");
-	BootPrintEx("Updates by Jakub Bednarski, Tobias Gubener, Sascha Boing, A.M. Robinson & others");
-	BootPrintEx(" ");
+		WaitTimer(500);
+		char rtl_ver[128];
+		sprintf(rtl_ver, "MINIMIG-AGA%s v%d.%d.%d by Rok Krajnc. MiSTer port by Sorgelig.", ver_beta ? " BETA" : "", ver_major, ver_minor, ver_minion);
+		BootPrintEx(rtl_ver);
+		BootPrintEx(" ");
+		BootPrintEx("Original Minimig by Dennis van Weeren");
+		BootPrintEx("Updates by Jakub Bednarski, Tobias Gubener, Sascha Boing, A.M. Robinson & others");
+		BootPrintEx(" ");
+	}
 
 	//eject all disk
 	df[0].status = 0;