From 32055c3bf94e0081a2c86802715cceb871df542a Mon Sep 17 00:00:00 2001
From: Flyinghead <raphael.jean@gmail.com>
Date: Wed, 24 Jul 2019 18:53:09 +0200
Subject: [PATCH] Better error messages when BIOS files missing

---
 core/hw/naomi/naomi_cart.cpp | 2 +-
 core/nullDC.cpp              | 6 ++++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/core/hw/naomi/naomi_cart.cpp b/core/hw/naomi/naomi_cart.cpp
index 99add2927..127c91b98 100644
--- a/core/hw/naomi/naomi_cart.cpp
+++ b/core/hw/naomi/naomi_cart.cpp
@@ -216,7 +216,7 @@ static void naomi_cart_LoadZip(const char *filename)
 		{
 			// If a specific BIOS is needed for this game, fail.
 			if (game->bios != NULL || !bios_loaded)
-				throw NaomiCartException(std::string("Error: cannot load BIOS ") + (game->bios != NULL ? game->bios : "naomi.zip"));
+				throw NaomiCartException(std::string("Error: cannot load BIOS ") + (game->bios != NULL ? game->bios : "naomi.zip") + " in " + get_readonly_data_path(DATA_PATH));
 
 			// otherwise use the default BIOS
 		}
diff --git a/core/nullDC.cpp b/core/nullDC.cpp
index 1ed27c403..ccf093489 100755
--- a/core/nullDC.cpp
+++ b/core/nullDC.cpp
@@ -458,7 +458,9 @@ void dc_start_game(const char *path)
 	InitSettings();
 	dc_reset(true);
 	LoadSettings(false);
-	if (!LoadRomFiles(get_readonly_data_path(DATA_PATH)))
+	
+	std::string data_path = get_readonly_data_path(DATA_PATH);
+	if (!LoadRomFiles(data_path))
 	{
 		if (settings.platform.system == DC_PLATFORM_DREAMCAST)
 		{
@@ -473,7 +475,7 @@ void dc_start_game(const char *path)
 			else
 #endif
 			{
-				throw ReicastException("Cannot find BIOS files");
+				throw ReicastException("Cannot find BIOS files in " + data_path);
 			}
 		}
 	}