Add Dreamcast 32MB RAM Mod

flyinghead · Sep 17, 2023 · dc61160 · dc61160
1 parent c839bc8
commit dc61160
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Showing 4 changed files with 6 additions and 1 deletion.
diff --git a/core/cfg/option.cpp b/core/cfg/option.cpp
@@ -121,6 +121,7 @@ Option<int> GDBPort("Debug.GDBPort", debugger::DEFAULT_PORT);
 Option<bool> GDBWaitForConnection("Debug.GDBWaitForConnection");
 Option<bool> UseReios("UseReios");
 Option<bool> FastGDRomLoad("FastGDRomLoad", false);
+Option<bool> RamMod32MB("Dreamcast.RamMod32MB", false);
 
 Option<bool> OpenGlChecks("OpenGlChecks", false, "validate");
 

diff --git a/core/cfg/option.h b/core/cfg/option.h
@@ -480,6 +480,7 @@ extern Option<int> GDBPort;
 extern Option<bool> GDBWaitForConnection;
 extern Option<bool> UseReios;
 extern Option<bool> FastGDRomLoad;
+extern Option<bool> RamMod32MB;
 
 extern Option<bool> OpenGlChecks;
 

diff --git a/core/emulator.cpp b/core/emulator.cpp
@@ -420,7 +420,7 @@ static void setPlatform(int platform)
 	switch (platform)
 	{
 	case DC_PLATFORM_DREAMCAST:
-		settings.platform.ram_size = 16_MB;
+		settings.platform.ram_size = config::RamMod32MB ? 32_MB : 16_MB;
 		settings.platform.vram_size = 8_MB;
 		settings.platform.aram_size = 2_MB;
 		settings.platform.bios_size = 2_MB;

diff --git a/core/rend/gui.cpp b/core/rend/gui.cpp
@@ -2423,6 +2423,9 @@ static void gui_display_settings()
 	            OptionCheckbox("Serial Console", config::SerialConsole,
 	            		"Dump the Dreamcast serial console to stdout");
 #endif
+				OptionCheckbox("Dreamcast 32MB RAM Mod", config::RamMod32MB,
+	            		"Enables 32MB RAM Mod for Dreamcast. May affect compatibility");
+
 	            OptionCheckbox("Dump Textures", config::DumpTextures,
 	            		"Dump all textures into data/texdump/<game id>");