From 4ed343911dd50c564d76e3d44f807cc64820310b Mon Sep 17 00:00:00 2001
From: neonloop
Date: Thu, 21 Oct 2021 15:04:02 +0000
Subject: Adds smsplus-gx core

---
 .gitignore                                 |  1 +
 Makefile                                   | 10 ++++--
 overrides.c                                |  2 ++
 overrides/fceumm.h                         |  4 +--
 overrides/quicknes.h                       |  4 +--
 overrides/smsplus.h                        | 52 ++++++++++++++++++++++++++++++
 patches/smsplus-gx/1000-trimui-build.patch | 27 ++++++++++++++++
 7 files changed, 94 insertions(+), 6 deletions(-)
 create mode 100644 overrides/smsplus.h
 create mode 100644 patches/smsplus-gx/1000-trimui-build.patch

diff --git a/.gitignore b/.gitignore
index 70183e4..fc49c3e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,5 +15,6 @@ picoarch
 /mame2003_plus
 /pcsx_rearmed
 /quicknes
+/smsplus-gx
 /snes9x2002
 /snes9x2005
diff --git a/Makefile b/Makefile
index 6064832..a5b6977 100644
--- a/Makefile
+++ b/Makefile
@@ -19,8 +19,7 @@ LDFLAGS    = -lc -ldl -lgcc -lm -lSDL -lasound -lpng -lz -Wl,--gc-sections -flto
 # Unpolished or slow cores that build
 # EXTRA_CORES += fbalpha2012
 # EXTRA_CORES += mame2003_plus
-
-CORES     = beetle-pce-fast fceumm gambatte gme gpsp mame2000 pcsx_rearmed quicknes snes9x2002 snes9x2005 $(EXTRA_CORES)
+CORES     = beetle-pce-fast fceumm gambatte gme gpsp mame2000 pcsx_rearmed quicknes smsplus-gx snes9x2002 snes9x2005 $(EXTRA_CORES)
 
 beetle-pce-fast_REPO = https://github.com/libretro/beetle-pce-fast-libretro
 beetle-pce-fast_CORE = mednafen_pce_fast_libretro.so
@@ -42,6 +41,9 @@ pcsx_rearmed_MAKEFILE = Makefile.libretro
 
 quicknes_REPO = https://github.com/libretro/QuickNES_Core
 
+smsplus-gx_MAKEFILE = Makefile.libretro
+smsplus-gx_CORE = smsplus_libretro.so
+
 ifeq ($(platform), trimui)
 	OBJS += plat_trimui.o
 	CFLAGS += -mcpu=arm926ej-s -mtune=arm926ej-s -fno-PIC -DCONTENT_DIR='"/mnt/SDCARD/Roms"'
@@ -192,6 +194,10 @@ quicknes_ROM_DIR = FC
 quicknes_TYPES = nes
 quicknes_PAK_NAME = Nintendo
 
+smsplus_ROM_DIR = MS
+smsplus_TYPES = sms,bin,rom,col,gg,sg
+smsplus_PAK_NAME = Game Gear
+
 snes9x2002_ROM_DIR = SFC
 snes9x2002_TYPES = smc,fig,sfc,gd3,gd7,dx2,bsx,swc,zip
 snes9x2002_PAK_NAME = Super Nintendo
diff --git a/overrides.c b/overrides.c
index 7e6b61b..27d130e 100644
--- a/overrides.c
+++ b/overrides.c
@@ -7,6 +7,7 @@
 #include "overrides/mame2000.h"
 #include "overrides/pcsx_rearmed.h"
 #include "overrides/quicknes.h"
+#include "overrides/smsplus.h"
 #include "overrides/snes9x2002.h"
 #include "overrides/snes9x2005.h"
 #include "util.h"
@@ -20,6 +21,7 @@ static const struct core_override overrides[] = {
 	mame2000_overrides,
 	pcsx_rearmed_overrides,
 	quicknes_overrides,
+	smsplus_overrides,
 	snes9x2002_overrides,
 	snes9x2005_overrides,
 };
diff --git a/overrides/fceumm.h b/overrides/fceumm.h
index 2009d08..e0fbc10 100644
--- a/overrides/fceumm.h
+++ b/overrides/fceumm.h
@@ -74,8 +74,8 @@ me_bind_action fceumm_ctrl_actions[] =
 	{ "B        ",  1 << RETRO_DEVICE_ID_JOYPAD_B },
 	{ "A TURBO  ",  1 << RETRO_DEVICE_ID_JOYPAD_X },
 	{ "B TURBO  ",  1 << RETRO_DEVICE_ID_JOYPAD_Y },
-	{ "SELECT   ",  1 << RETRO_DEVICE_ID_JOYPAD_START },
-	{ "START    ",  1 << RETRO_DEVICE_ID_JOYPAD_SELECT },
+	{ "START    ",  1 << RETRO_DEVICE_ID_JOYPAD_START },
+	{ "SELECT   ",  1 << RETRO_DEVICE_ID_JOYPAD_SELECT },
 	{ "DISK CHNG",  1 << RETRO_DEVICE_ID_JOYPAD_L },
 	{ "INS DISK ",  1 << RETRO_DEVICE_ID_JOYPAD_R },
 	{ "INS COIN ",  1 << RETRO_DEVICE_ID_JOYPAD_R2 },
diff --git a/overrides/quicknes.h b/overrides/quicknes.h
index f132951..f4a5455 100644
--- a/overrides/quicknes.h
+++ b/overrides/quicknes.h
@@ -74,8 +74,8 @@ me_bind_action quicknes_ctrl_actions[] =
 	{ "B        ",  1 << RETRO_DEVICE_ID_JOYPAD_B },
 	{ "A TURBO  ",  1 << RETRO_DEVICE_ID_JOYPAD_X },
 	{ "B TURBO  ",  1 << RETRO_DEVICE_ID_JOYPAD_Y },
-	{ "SELECT   ",  1 << RETRO_DEVICE_ID_JOYPAD_START },
-	{ "START    ",  1 << RETRO_DEVICE_ID_JOYPAD_SELECT },
+	{ "START    ",  1 << RETRO_DEVICE_ID_JOYPAD_START },
+	{ "SELECT   ",  1 << RETRO_DEVICE_ID_JOYPAD_SELECT },
 	{ NULL,       0 }
 };
 
diff --git a/overrides/smsplus.h b/overrides/smsplus.h
new file mode 100644
index 0000000..e540f18
--- /dev/null
+++ b/overrides/smsplus.h
@@ -0,0 +1,52 @@
+#include "overrides.h"
+
+static const struct core_override_option smsplus_core_option_overrides[] = {
+	{
+		.key = "smsplus_hardware",
+		.options = {
+			{ "auto",             NULL     },
+			{ "master system",    "sms"    },
+			{ "master system II", "sms II" },
+			{ "game gear",        NULL     },
+			{ "game gear (sms compatibility)",  "gg (sms compat.)" },
+			{ "coleco",           NULL     },
+			{ NULL,               NULL     },
+		},
+	},
+	{
+		.key = "smsplus_fm_sound",
+		.desc = "Use FM (Restart)",
+		.info = "Use FM Sound for some Master System games to enable enhanced music. Some games need Region set to ntsc-j (e.g. Wonder Boy III). Needs restart.",
+	},
+	{
+		.key = "smsplus_hide_left_border",
+		.desc = "Hide SMS Border",
+	},
+	{ NULL }
+};
+
+me_bind_action smsplus_ctrl_actions[] =
+{
+	{ "UP       ",  1 << RETRO_DEVICE_ID_JOYPAD_UP},
+	{ "DOWN     ",  1 << RETRO_DEVICE_ID_JOYPAD_DOWN },
+	{ "LEFT     ",  1 << RETRO_DEVICE_ID_JOYPAD_LEFT },
+	{ "RIGHT    ",  1 << RETRO_DEVICE_ID_JOYPAD_RIGHT },
+	{ "BTN 1    ",  1 << RETRO_DEVICE_ID_JOYPAD_A },
+	{ "BTN 2    ",  1 << RETRO_DEVICE_ID_JOYPAD_B },
+	{ "COLECO 1 ",  1 << RETRO_DEVICE_ID_JOYPAD_X },
+	{ "COLECO 2 ",  1 << RETRO_DEVICE_ID_JOYPAD_Y },
+	{ "START / #",  1 << RETRO_DEVICE_ID_JOYPAD_START },
+	{ "COLECO * ",  1 << RETRO_DEVICE_ID_JOYPAD_SELECT },
+	{ "COLECO 3 ",  1 << RETRO_DEVICE_ID_JOYPAD_R },
+	{ "COLECO 4 ",  1 << RETRO_DEVICE_ID_JOYPAD_L },
+	{ "COLECO 5 ",  1 << RETRO_DEVICE_ID_JOYPAD_R2 },
+	{ "COLECO 6 ",  1 << RETRO_DEVICE_ID_JOYPAD_L2 },
+	{ NULL,       0 }
+};
+
+#define smsplus_overrides {                                    \
+	.core_name = "smsplus-gx",                             \
+	.actions = smsplus_ctrl_actions,                       \
+	.action_size = array_size(smsplus_ctrl_actions),       \
+	.options = smsplus_core_option_overrides               \
+}
diff --git a/patches/smsplus-gx/1000-trimui-build.patch b/patches/smsplus-gx/1000-trimui-build.patch
new file mode 100644
index 0000000..2d42b2f
--- /dev/null
+++ b/patches/smsplus-gx/1000-trimui-build.patch
@@ -0,0 +1,27 @@
+diff --git a/Makefile.libretro b/Makefile.libretro
+index e4575bc..7f96e07 100644
+--- a/Makefile.libretro
++++ b/Makefile.libretro
+@@ -327,7 +327,21 @@ else ifeq ($(platform), miyoo)
+    SHARED := -shared -Wl,--no-undefined -Wl,--version-script=link.T
+    CFLAGS += -ffast-math -march=armv5te -mtune=arm926ej-s -fomit-frame-pointer
+    ENDIANNESS_DEFINES += -DLSB_FIRST -DBYTE_ORDER=LITTLE_ENDIAN -DALIGN_LONG
+-   
++
++else ifeq ($(platform), trimui)
++	TARGET := $(TARGET_NAME)_libretro.so
++	CC = $(CROSS_COMPILE)gcc
++	CXX = $(CROSS_COMPILE)g++
++	AR = $(CROSS_COMPILE)ar
++	SHARED := -shared -Wl,--no-undefined -Wl,--version-script=link.T
++	CFLAGS += -fomit-frame-pointer -march=armv5te -mtune=arm926ej-s -ffast-math -fno-PIC -flto
++	CXXFLAGS += -fomit-frame-pointer -march=armv5te -mtune=arm926ej-s -ffast-math -fno-PIC -flto
++	LDFLAGS += -flto
++	ifeq (,$(DEBUG))
++		LDFLAGS += -s
++	endif
++	ENDIANNESS_DEFINES += -DLSB_FIRST -DBYTE_ORDER=LITTLE_ENDIAN -DALIGN_LONG
++
+ # else ifneq (,$(findstring armv,$(platform)))
+ #    TARGET := $(TARGET_NAME)_libretro.so
+ #    fpic := -fPIC
-- 
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