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Merge pull request #139 from libretro/master

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Ready to merge: SGB in the libretro core
This commit is contained in:
Lior Halphon 2019-01-25 13:41:33 +02:00 committed by GitHub
commit 5ead9d49f4
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3 changed files with 501 additions and 347 deletions
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127
libretro/Makefile
View File

@ -6,6 +6,15 @@ ifneq ($(GIT_VERSION)," unknown")
CFLAGS += -DGIT_VERSION=\"$(GIT_VERSION)\"
endif
SPACE :=
SPACE := $(SPACE) $(SPACE)
BACKSLASH :=
BACKSLASH := \$(BACKSLASH)
filter_out1 = $(filter-out $(firstword $1),$1)
filter_out2 = $(call filter_out1,$(call filter_out1,$1))
unixpath = $(subst \,/,$1)
unixcygpath = /$(subst :,,$(call unixpath,$1))
CFLAGS += -DSAMEBOY_CORE_VERSION=\"$(VERSION)\"
ifeq ($(platform),)
@ -134,6 +143,102 @@ else ifeq ($(platform), vita)
AR = arm-vita-eabi-ar
CFLAGS += -Wl,-q -Wall -O3 -fno-short-enums -fno-optimize-sibling-calls
STATIC_LINKING = 1
# Windows MSVC 2017 all architectures
else ifneq (,$(findstring windows_msvc2017,$(platform)))
NO_GCC := 1
CFLAGS += -DNOMINMAX
CXXFLAGS += -DNOMINMAX
WINDOWS_VERSION = 1
PlatformSuffix = $(subst windows_msvc2017_,,$(platform))
ifneq (,$(findstring desktop,$(PlatformSuffix)))
WinPartition = desktop
MSVC2017CompileFlags = -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -FS
LDFLAGS += -MANIFEST -LTCG:incremental -NXCOMPAT -DYNAMICBASE -DEBUG -OPT:REF -INCREMENTAL:NO -SUBSYSTEM:WINDOWS -MANIFESTUAC:"level='asInvoker' uiAccess='false'" -OPT:ICF -ERRORREPORT:PROMPT -NOLOGO -TLBID:1
LIBS += kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib
else ifneq (,$(findstring uwp,$(PlatformSuffix)))
WinPartition = uwp
MSVC2017CompileFlags = -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WINDLL -D_UNICODE -DUNICODE -D__WRL_NO_DEFAULT_LIB__ -EHsc -FS
LDFLAGS += -APPCONTAINER -NXCOMPAT -DYNAMICBASE -MANIFEST:NO -LTCG -OPT:REF -SUBSYSTEM:CONSOLE -MANIFESTUAC:NO -OPT:ICF -ERRORREPORT:PROMPT -NOLOGO -TLBID:1 -DEBUG:FULL -WINMD:NO
LIBS += WindowsApp.lib
endif
CFLAGS += $(MSVC2017CompileFlags)
CXXFLAGS += $(MSVC2017CompileFlags)
TargetArchMoniker = $(subst $(WinPartition)_,,$(PlatformSuffix))
CC = cl.exe
CXX = cl.exe
LD = link.exe
reg_query = $(call filter_out2,$(subst $2,,$(shell reg query "$2" -v "$1" 2>nul)))
fix_path = $(subst $(SPACE),\ ,$(subst \,/,$1))
ProgramFiles86w := $(shell cmd /c "echo %PROGRAMFILES(x86)%")
ProgramFiles86 := $(shell cygpath "$(ProgramFiles86w)")
WindowsSdkDir ?= $(call reg_query,InstallationFolder,HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Microsoft SDKs\Windows\v10.0)
WindowsSdkDir ?= $(call reg_query,InstallationFolder,HKEY_CURRENT_USER\SOFTWARE\Wow6432Node\Microsoft\Microsoft SDKs\Windows\v10.0)
WindowsSdkDir ?= $(call reg_query,InstallationFolder,HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v10.0)
WindowsSdkDir ?= $(call reg_query,InstallationFolder,HKEY_CURRENT_USER\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v10.0)
WindowsSdkDir := $(WindowsSdkDir)
WindowsSDKVersion ?= $(firstword $(foreach folder,$(subst $(subst \,/,$(WindowsSdkDir)Include/),,$(wildcard $(call fix_path,$(WindowsSdkDir)Include\*))),$(if $(wildcard $(call fix_path,$(WindowsSdkDir)Include/$(folder)/um/Windows.h)),$(folder),)))$(BACKSLASH)
WindowsSDKVersion := $(WindowsSDKVersion)
VsInstallBuildTools = $(ProgramFiles86)/Microsoft Visual Studio/2017/BuildTools
VsInstallEnterprise = $(ProgramFiles86)/Microsoft Visual Studio/2017/Enterprise
VsInstallProfessional = $(ProgramFiles86)/Microsoft Visual Studio/2017/Professional
VsInstallCommunity = $(ProgramFiles86)/Microsoft Visual Studio/2017/Community
VsInstallRoot ?= $(shell if [ -d "$(VsInstallBuildTools)" ]; then echo "$(VsInstallBuildTools)"; fi)
ifeq ($(VsInstallRoot), )
VsInstallRoot = $(shell if [ -d "$(VsInstallEnterprise)" ]; then echo "$(VsInstallEnterprise)"; fi)
endif
ifeq ($(VsInstallRoot), )
VsInstallRoot = $(shell if [ -d "$(VsInstallProfessional)" ]; then echo "$(VsInstallProfessional)"; fi)
endif
ifeq ($(VsInstallRoot), )
VsInstallRoot = $(shell if [ -d "$(VsInstallCommunity)" ]; then echo "$(VsInstallCommunity)"; fi)
endif
VsInstallRoot := $(VsInstallRoot)
VcCompilerToolsVer := $(shell cat "$(VsInstallRoot)/VC/Auxiliary/Build/Microsoft.VCToolsVersion.default.txt" | grep -o '[0-9\.]*')
VcCompilerToolsDir := $(VsInstallRoot)/VC/Tools/MSVC/$(VcCompilerToolsVer)
WindowsSDKSharedIncludeDir := $(shell cygpath -w "$(WindowsSdkDir)\Include\$(WindowsSDKVersion)\shared")
WindowsSDKUCRTIncludeDir := $(shell cygpath -w "$(WindowsSdkDir)\Include\$(WindowsSDKVersion)\ucrt")
WindowsSDKUMIncludeDir := $(shell cygpath -w "$(WindowsSdkDir)\Include\$(WindowsSDKVersion)\um")
WindowsSDKUCRTLibDir := $(shell cygpath -w "$(WindowsSdkDir)\Lib\$(WindowsSDKVersion)\ucrt\$(TargetArchMoniker)")
WindowsSDKUMLibDir := $(shell cygpath -w "$(WindowsSdkDir)\Lib\$(WindowsSDKVersion)\um\$(TargetArchMoniker)")
# For some reason the HostX86 compiler doesn't like compiling for x64
# ("no such file" opening a shared library), and vice-versa.
# Work around it for now by using the strictly x86 compiler for x86, and x64 for x64.
# NOTE: What about ARM?
ifneq (,$(findstring x64,$(TargetArchMoniker)))
VCCompilerToolsBinDir := $(VcCompilerToolsDir)\bin\HostX64
else
VCCompilerToolsBinDir := $(VcCompilerToolsDir)\bin\HostX86
endif
PATH := $(shell IFS=$$'\n'; cygpath "$(VCCompilerToolsBinDir)/$(TargetArchMoniker)"):$(PATH)
PATH := $(PATH):$(shell IFS=$$'\n'; cygpath "$(VsInstallRoot)/Common7/IDE")
INCLUDE := $(shell IFS=$$'\n'; cygpath -w "$(VcCompilerToolsDir)/include")
LIB := $(shell IFS=$$'\n'; cygpath -w "$(VcCompilerToolsDir)/lib/$(TargetArchMoniker)")
ifneq (,$(findstring uwp,$(PlatformSuffix)))
LIB := $(LIB);$(shell IFS=$$'\n'; cygpath -w "$(LIB)/store")
endif
export INCLUDE := $(INCLUDE);$(WindowsSDKSharedIncludeDir);$(WindowsSDKUCRTIncludeDir);$(WindowsSDKUMIncludeDir)
export LIB := $(LIB);$(WindowsSDKUCRTLibDir);$(WindowsSDKUMLibDir)
TARGET := $(TARGET_NAME)_libretro.dll
PSS_STYLE :=2
LDFLAGS += -DLL
else
CC = gcc
TARGET := $(TARGET_NAME)_libretro.dll
@ -157,6 +262,22 @@ include Makefile.common
OBJECTS := $(patsubst %.c,$(CORE_DIR)/build/obj/%_libretro.c.o,$(SOURCES_C))
OBJOUT = -o
LINKOUT = -o
ifneq (,$(findstring msvc,$(platform)))
OBJOUT = -Fo
LINKOUT = -out:
ifeq ($(STATIC_LINKING),1)
LD ?= lib.exe
STATIC_LINKING=0
else
LD = link.exe
endif
else
LD = $(CC)
endif
CFLAGS += -Wall -D__LIBRETRO__ $(fpic) $(INCFLAGS) -std=gnu11 -D_GNU_SOURCE -D_USE_MATH_DEFINES
all: $(TARGET)
@ -182,15 +303,15 @@ $(TARGET): $(OBJECTS)
ifeq ($(STATIC_LINKING), 1)
$(AR) rcs $@ $(OBJECTS)
else
$(CC) $(fpic) $(SHARED) $(INCFLAGS) -o $@ $(OBJECTS) $(LDFLAGS)
$(LD) $(fpic) $(SHARED) $(INCFLAGS) $(LINKOUT)$@ $(OBJECTS) $(LDFLAGS)
endif
$(CORE_DIR)/build/obj/%_libretro.c.o: %.c
-@$(MKDIR) -p $(dir $@)
$(CC) -c -o $@ $< $(CFLAGS) $(fpic) -DGB_INTERNAL
$(CC) -c $(OBJOUT)$@ $< $(CFLAGS) $(fpic) -DGB_INTERNAL
%.o: %.c
$(CC) $(CFLAGS) $(fpic) -c -o $@ $<
$(CC) $(CFLAGS) $(fpic) -c $(OBJOUT)$@ $<
clean:
rm -f $(OBJECTS) $(TARGET)

3
libretro/Makefile.common
View File

@ -1,6 +1,7 @@
INCFLAGS := -I$(CORE_DIR)
SOURCES_C := $(CORE_DIR)/Core/gb.c \
$(CORE_DIR)/Core/sgb.c \
$(CORE_DIR)/Core/apu.c \
$(CORE_DIR)/Core/memory.c \
$(CORE_DIR)/Core/mbc.c \
@ -14,6 +15,8 @@ SOURCES_C := $(CORE_DIR)/Core/gb.c \
$(CORE_DIR)/libretro/agb_boot.c \
$(CORE_DIR)/libretro/cgb_boot.c \
$(CORE_DIR)/libretro/dmg_boot.c \
$(CORE_DIR)/libretro/sgb_boot.c \
$(CORE_DIR)/libretro/sgb2_boot.c \
$(CORE_DIR)/libretro/libretro.c
CFLAGS += -DDISABLE_TIMEKEEPING -DDISABLE_REWIND -DDISABLE_DEBUGGER

718
libretro/libretro.c
View File

@ -35,6 +35,10 @@ static const char slash = '/';
#define VIDEO_HEIGHT 144
#define VIDEO_PIXELS (VIDEO_WIDTH * VIDEO_HEIGHT)
#define SGB_VIDEO_WIDTH 256
#define SGB_VIDEO_HEIGHT 224
#define SGB_VIDEO_PIXELS (SGB_VIDEO_WIDTH * SGB_VIDEO_HEIGHT)
#define RETRO_MEMORY_GAMEBOY_1_SRAM ((1 << 8) | RETRO_MEMORY_SAVE_RAM)
#define RETRO_MEMORY_GAMEBOY_1_RTC ((2 << 8) | RETRO_MEMORY_RTC)
#define RETRO_MEMORY_GAMEBOY_2_SRAM ((3 << 8) | RETRO_MEMORY_SAVE_RAM)
@ -49,6 +53,8 @@ enum model {
MODEL_DMG,
MODEL_CGB,
MODEL_AGB,
MODEL_SGB,
MODEL_SGB2,
MODEL_AUTO
};
@ -56,7 +62,9 @@ static const GB_model_t libretro_to_internal_model[] =
{
[MODEL_DMG] = GB_MODEL_DMG_B,
[MODEL_CGB] = GB_MODEL_CGB_E,
[MODEL_AGB] = GB_MODEL_AGB
[MODEL_AGB] = GB_MODEL_AGB,
[MODEL_SGB] = GB_MODEL_SGB,
[MODEL_SGB2] = GB_MODEL_SGB2
};
enum screen_layout {
@ -69,12 +77,6 @@ enum audio_out {
GB_2
};
enum mode{
MODE_SINGLE_GAME,
MODE_SINGLE_GAME_DUAL,
MODE_DUAL_GAME
};
static enum model model[2];
static enum model auto_model = MODEL_CGB;
@ -93,11 +95,7 @@ static bool initialized = false;
static unsigned screen_layout = 0;
static unsigned audio_out = 0;
static enum mode mode = MODE_SINGLE_GAME;
static bool geometry_updated = false;
static bool sameboy_dual = false;
static bool link_cable_emulation = false;
/*static bool infrared_emulation = false;*/
@ -109,8 +107,8 @@ char retro_game_path[4096];
GB_gameboy_t gameboy[2];
extern const unsigned char dmg_boot[], cgb_boot[], agb_boot[];
extern const unsigned dmg_boot_length, cgb_boot_length, agb_boot_length;
extern const unsigned char dmg_boot[], cgb_boot[], agb_boot[], sgb_boot[], sgb2_boot[];
extern const unsigned dmg_boot_length, cgb_boot_length, agb_boot_length, sgb_boot_length, sgb2_boot_length;
bool vblank1_occurred = false, vblank2_occurred = false;
static void fallback_log(enum retro_log_level level, const char *fmt, ...)
@ -124,44 +122,31 @@ static void fallback_log(enum retro_log_level level, const char *fmt, ...)
static struct retro_rumble_interface rumble;
static void extract_basename(char *buf, const char *path, size_t size)
{
const char *base = strrchr(path, '/');
if (!base)
base = strrchr(path, '\\');
if (!base)
base = path;
if (*base == '\\' || *base == '/')
base++;
strncpy(buf, base, size - 1);
buf[size - 1] = '\0';
char *ext = strrchr(buf, '.');
if (ext)
*ext = '\0';
}
static void GB_update_keys_status(GB_gameboy_t *gb, unsigned port)
{
input_poll_cb();
GB_set_key_state(gb, GB_KEY_RIGHT,input_state_cb(port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT));
GB_set_key_state(gb, GB_KEY_LEFT, input_state_cb(port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT));
GB_set_key_state(gb, GB_KEY_UP,input_state_cb(port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP) );
GB_set_key_state(gb, GB_KEY_DOWN,input_state_cb(port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN));
GB_set_key_state(gb, GB_KEY_A,input_state_cb(port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A) );
GB_set_key_state(gb, GB_KEY_B,input_state_cb(port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B) );
GB_set_key_state(gb, GB_KEY_SELECT,input_state_cb(port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT));
GB_set_key_state(gb, GB_KEY_START,input_state_cb(port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START) );
GB_set_key_state_for_player(gb, GB_KEY_RIGHT, emulated_devices == 1 ? port : 0,
input_state_cb(port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT));
GB_set_key_state_for_player(gb, GB_KEY_LEFT, emulated_devices == 1 ? port : 0,
input_state_cb(port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT));
GB_set_key_state_for_player(gb, GB_KEY_UP, emulated_devices == 1 ? port : 0,
input_state_cb(port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP));
GB_set_key_state_for_player(gb, GB_KEY_DOWN, emulated_devices == 1 ? port : 0,
input_state_cb(port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN));
GB_set_key_state_for_player(gb, GB_KEY_A, emulated_devices == 1 ? port : 0,
input_state_cb(port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A));
GB_set_key_state_for_player(gb, GB_KEY_B, emulated_devices == 1 ? port : 0,
input_state_cb(port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B));
GB_set_key_state_for_player(gb, GB_KEY_SELECT, emulated_devices == 1 ? port : 0,
input_state_cb(port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT));
GB_set_key_state_for_player(gb, GB_KEY_START, emulated_devices == 1 ? port : 0,
input_state_cb(port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START));
if (gb->rumble_state)
rumble.set_rumble_state(port, RETRO_RUMBLE_STRONG, 65535);
else
rumble.set_rumble_state(port, RETRO_RUMBLE_STRONG, 0);
}
@ -230,26 +215,9 @@ static retro_environment_t environ_cb;
/* variables for single cart mode */
static const struct retro_variable vars_single[] = {
{ "sameboy_dual", "Single cart dual mode (reload); disabled|enabled" },
{ "sameboy_color_correction_mode", "Color correction; off|correct curves|emulate hardware|preserve brightness" },
{ "sameboy_high_pass_filter_mode", "High-pass filter; off|accurate|remove dc offset" },
{ "sameboy_model", "Emulated model; Game Boy Color|Game Boy Advance|Auto|Game Boy" },
{ NULL }
};
/* variables for single cart dual gameboy mode */
static const struct retro_variable vars_single_dual[] = {
{ "sameboy_dual", "Single cart dual mode (reload); disabled|enabled" },
{ "sameboy_link", "Link cable emulation; enabled|disabled" },
/*{ "sameboy_ir", "Infrared Sensor Emulation; disabled|enabled" },*/
{ "sameboy_screen_layout", "Screen layout; top-down|left-right" },
{ "sameboy_audio_output", "Audio output; Game Boy #1|Game Boy #2" },
{ "sameboy_model_1", "Emulated model for Game Boy #1; Game Boy Color|Game Boy Advance|Auto|Game Boy" },
{ "sameboy_model_2", "Emulated model for Game Boy #2; Game Boy Color|Game Boy Advance|Auto|Game Boy" },
{ "sameboy_color_correction_mode_1", "Color correction for Game Boy #1; off|correct curves|emulate hardware|preserve brightness" },
{ "sameboy_color_correction_mode_2", "Color correction for Game Boy #2; off|correct curves|emulate hardware|preserve brightness" },
{ "sameboy_high_pass_filter_mode_1", "High-pass filter for Game Boy #1; off|accurate|remove dc offset" },
{ "sameboy_high_pass_filter_mode_2", "High-pass filter for Game Boy #2; off|accurate|remove dc offset" },
{ "sameboy_model", "Emulated model; Auto|Game Boy|Game Boy Color|Game Boy Advance|Super Game Boy|Super Game Boy 2" },
{ NULL }
};
@ -259,8 +227,8 @@ static const struct retro_variable vars_dual[] = {
/*{ "sameboy_ir", "Infrared Sensor Emulation; disabled|enabled" },*/
{ "sameboy_screen_layout", "Screen layout; top-down|left-right" },
{ "sameboy_audio_output", "Audio output; Game Boy #1|Game Boy #2" },
{ "sameboy_model_1", "Emulated model for Game Boy #1; Game Boy Color|Game Boy Advance|Auto|Game Boy" },
{ "sameboy_model_2", "Emulated model for Game Boy #2; Game Boy Color|Game Boy Advance|Auto|Game Boy" },
{ "sameboy_model_1", "Emulated model for Game Boy #1; Auto|Game Boy|Game Boy Color|Game Boy Advance" },
{ "sameboy_model_2", "Emulated model for Game Boy #2; Auto|Game Boy|Game Boy Color|Game Boy Advance" },
{ "sameboy_color_correction_mode_1", "Color correction for Game Boy #1; off|correct curves|emulate hardware|preserve brightness" },
{ "sameboy_color_correction_mode_2", "Color correction for Game Boy #2; off|correct curves|emulate hardware|preserve brightness" },
{ "sameboy_high_pass_filter_mode_1", "High-pass filter for Game Boy #1; off|accurate|remove dc offset" },
@ -283,15 +251,88 @@ static const struct retro_subsystem_rom_info gb_roms[] = {
{ "GameBoy #2", "gb|gbc", true, false, true, gb2_memory, 1 },
};
static const struct retro_subsystem_info subsystems[] = {
{ "2 Player Game Boy Link", "gb_link_2p", gb_roms, 2, RETRO_GAME_TYPE_GAMEBOY_LINK_2P },
{ NULL },
static const struct retro_subsystem_info subsystems[] = {
{ "2 Player Game Boy Link", "gb_link_2p", gb_roms, 2, RETRO_GAME_TYPE_GAMEBOY_LINK_2P },
{ NULL },
};
static const struct retro_controller_description controllers[] = {
{ "Nintendo Game Boy", RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0) },
};
static const struct retro_controller_description controllers_sgb[] = {
{ "SNES/SFC Gamepad", RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0) },
};
static struct retro_input_descriptor descriptors_1p[] = {
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "Left" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "Up" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "Down" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "Right" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "A" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
{ 0 },
};
static struct retro_input_descriptor descriptors_2p[] = {
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "Left" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "Up" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "Down" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "Right" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "A" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "Left" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "Up" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "Down" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "Right" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "A" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
{ 0 },
};
static struct retro_input_descriptor descriptors_4p[] = {
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "Left" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "Up" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "Down" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "Right" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "A" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "Left" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "Up" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "Down" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "Right" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "A" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
{ 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "Left" },
{ 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "Up" },
{ 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "Down" },
{ 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "Right" },
{ 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" },
{ 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "A" },
{ 2, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
{ 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
{ 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "Left" },
{ 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "Up" },
{ 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "Down" },
{ 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "Right" },
{ 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" },
{ 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "A" },
{ 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
{ 3, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
{ 0 },
};
static void set_link_cable_state(bool state)
{
if (state && emulated_devices == 2)
@ -327,9 +368,9 @@ static void init_for_current_model(unsigned id)
else {
GB_init(&gameboy[i], libretro_to_internal_model[effective_model]);
}
const char *model_name = (const char *[]){"dmg", "cgb", "agb"}[effective_model];
const unsigned char *boot_code = (const unsigned char *[]){dmg_boot, cgb_boot, agb_boot}[effective_model];
unsigned boot_length = (unsigned []){dmg_boot_length, cgb_boot_length, agb_boot_length}[effective_model];
const char *model_name = (const char *[]){"dmg", "cgb", "agb", "sgb", "sgb2"}[effective_model];
const unsigned char *boot_code = (const unsigned char *[]){dmg_boot, cgb_boot, agb_boot, sgb_boot, sgb2_boot}[effective_model];
unsigned boot_length = (unsigned []){dmg_boot_length, cgb_boot_length, agb_boot_length, sgb_boot_length, sgb2_boot_length}[effective_model];
char buf[256];
snprintf(buf, sizeof(buf), "%s%c%s_boot.bin", retro_system_directory, slash, model_name);
@ -338,7 +379,8 @@ static void init_for_current_model(unsigned id)
if (GB_load_boot_rom(&gameboy[i], buf))
GB_load_boot_rom_from_buffer(&gameboy[i], boot_code, boot_length);
GB_set_user_data(&gameboy[i], (void*)NULL);
GB_set_pixels_output(&gameboy[i],(unsigned int*)(frame_buf + i * VIDEO_PIXELS));
GB_set_pixels_output(&gameboy[i],(unsigned int*)(frame_buf + i * ((model[i] == MODEL_SGB || model[i] == MODEL_SGB2) ? SGB_VIDEO_PIXELS : VIDEO_PIXELS)));
GB_set_rgb_encode_callback(&gameboy[i], rgb_encode);
GB_set_sample_rate(&gameboy[i], AUDIO_FREQUENCY);
@ -388,7 +430,7 @@ static void init_for_current_model(unsigned id)
descs[6].ptr = GB_get_direct_access(&gameboy[i], GB_DIRECT_ACCESS_OAM, &size, &bank);
descs[6].start = 0xFE00;
descs[6].len = 0x00A0;
descs[7].ptr = GB_get_direct_access(&gameboy[i], GB_DIRECT_ACCESS_RAM, &size, &bank) + 0x1000;
descs[7].start = 0xD000;
descs[7].len = 0x1000;
@ -397,12 +439,46 @@ static void init_for_current_model(unsigned id)
mmaps.descriptors = descs;
mmaps.num_descriptors = sizeof(descs) / sizeof(descs[0]);
environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &mmaps);
/* Let's be extremely nitpicky about how devices and descriptors are set */
if (emulated_devices == 1 && (model[0] == MODEL_SGB || model[0] == MODEL_SGB2))
{
static const struct retro_controller_info ports[] = {
{ controllers_sgb, 1 },
{ controllers_sgb, 1 },
{ controllers_sgb, 1 },
{ controllers_sgb, 1 },
{ NULL, 0 },
};
environ_cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, descriptors_4p);
}
else if (emulated_devices == 1)
{
static const struct retro_controller_info ports[] = {
{ controllers, 1 },
{ NULL, 0 },
};
environ_cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, descriptors_1p);
}
else
{
static const struct retro_controller_info ports[] = {
{ controllers, 1 },
{ controllers, 1 },
{ NULL, 0 },
};
environ_cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, descriptors_2p);
}
}
static void check_variables(bool link)
static void check_variables()
{
struct retro_variable var = {0};
if (!link)
if (emulated_devices == 1)
{
var.key = "sameboy_color_correction_mode";
var.value = NULL;
@ -441,11 +517,16 @@ static void check_variables(bool link)
new_model = MODEL_CGB;
else if (strcmp(var.value, "Game Boy Advance") == 0)
new_model = MODEL_AGB;
else if (strcmp(var.value, "Super Game Boy") == 0)
new_model = MODEL_SGB;
else if (strcmp(var.value, "Super Game Boy 2") == 0)
new_model = MODEL_SGB2;
else
new_model = MODEL_AUTO;
if (new_model != model[0])
{
geometry_updated = true;
model[0] = new_model;
init_for_current_model(0);
}
@ -516,6 +597,10 @@ static void check_variables(bool link)
new_model = MODEL_CGB;
else if (strcmp(var.value, "Game Boy Advance") == 0)
new_model = MODEL_AGB;
else if (strcmp(var.value, "Super Game Boy") == 0)
new_model = MODEL_SGB;
else if (strcmp(var.value, "Super Game Boy 2") == 0)
new_model = MODEL_SGB2;
else
new_model = MODEL_AUTO;
@ -537,6 +622,10 @@ static void check_variables(bool link)
new_model = MODEL_CGB;
else if (strcmp(var.value, "Game Boy Advance") == 0)
new_model = MODEL_AGB;
else if (strcmp(var.value, "Super Game Boy") == 0)
new_model = MODEL_SGB;
else if (strcmp(var.value, "Super Game Boy 2") == 0)
new_model = MODEL_SGB;
else
new_model = MODEL_AUTO;
@ -547,53 +636,42 @@ static void check_variables(bool link)
}
}
}
var.key = "sameboy_screen_layout";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (strcmp(var.value, "top-down") == 0)
screen_layout = LAYOUT_TOP_DOWN;
else
screen_layout = LAYOUT_LEFT_RIGHT;
var.key = "sameboy_screen_layout";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (strcmp(var.value, "top-down") == 0)
screen_layout = LAYOUT_TOP_DOWN;
else
screen_layout = LAYOUT_LEFT_RIGHT;
geometry_updated = true;
}
geometry_updated = true;
}
var.key = "sameboy_link";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
bool tmp = link_cable_emulation;
if (strcmp(var.value, "enabled") == 0)
link_cable_emulation = true;
else
link_cable_emulation = false;
if (link_cable_emulation && link_cable_emulation != tmp)
set_link_cable_state(true);
else if (!link_cable_emulation && link_cable_emulation != tmp)
set_link_cable_state(false);
}
var.key = "sameboy_dual";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (strcmp(var.value, "enabled") == 0)
sameboy_dual = true;
else
sameboy_dual = false;
}
var.key = "sameboy_link";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
bool tmp = link_cable_emulation;
if (strcmp(var.value, "enabled") == 0)
link_cable_emulation = true;
else
link_cable_emulation = false;
if (link_cable_emulation && link_cable_emulation != tmp)
set_link_cable_state(true);
else if (!link_cable_emulation && link_cable_emulation != tmp)
set_link_cable_state(false);
}
var.key = "sameboy_audio_output";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (strcmp(var.value, "Game Boy #1") == 0)
audio_out = GB_1;
else
audio_out = GB_2;
var.key = "sameboy_audio_output";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (strcmp(var.value, "Game Boy #1") == 0)
audio_out = GB_1;
else
audio_out = GB_2;
}
}
}
@ -610,37 +688,6 @@ void retro_init(void)
snprintf(retro_save_directory, sizeof(retro_save_directory), "%s", dir);
else
snprintf(retro_save_directory, sizeof(retro_save_directory), "%s", ".");
static const struct retro_controller_info ports[] = {
{ controllers, 1 },
{ controllers, 1 },
{ NULL, 0 },
};
environ_cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
struct retro_input_descriptor desc[] = {
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "Left" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "Up" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "Down" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "Right" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "A" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "Left" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "Up" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "Down" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "Right" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "A" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
{ 0 },
};
environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
}
void retro_deinit(void)
@ -679,23 +726,42 @@ void retro_get_system_av_info(struct retro_system_av_info *info)
struct retro_game_geometry geom;
struct retro_system_timing timing = { FRAME_RATE, AUDIO_FREQUENCY };
if (screen_layout == LAYOUT_TOP_DOWN) {
geom.base_width = VIDEO_WIDTH;
geom.base_height = VIDEO_HEIGHT * emulated_devices;
geom.aspect_ratio = (double)VIDEO_WIDTH / (emulated_devices * VIDEO_HEIGHT);
}else if (screen_layout == LAYOUT_LEFT_RIGHT) {
geom.base_width = VIDEO_WIDTH * emulated_devices;
geom.base_height = VIDEO_HEIGHT;
geom.aspect_ratio = ((double)VIDEO_WIDTH * emulated_devices) / VIDEO_HEIGHT;
if (emulated_devices == 2)
{
if (screen_layout == LAYOUT_TOP_DOWN) {
geom.base_width = VIDEO_WIDTH;
geom.base_height = VIDEO_HEIGHT * emulated_devices;
geom.aspect_ratio = (double)VIDEO_WIDTH / (emulated_devices * VIDEO_HEIGHT);
}else if (screen_layout == LAYOUT_LEFT_RIGHT) {
geom.base_width = VIDEO_WIDTH * emulated_devices;
geom.base_height = VIDEO_HEIGHT;
geom.aspect_ratio = ((double)VIDEO_WIDTH * emulated_devices) / VIDEO_HEIGHT;
}
}
else
{
if (model[0] == MODEL_SGB || model[0] == MODEL_SGB2)
{
geom.base_width = SGB_VIDEO_WIDTH;
geom.base_height = SGB_VIDEO_HEIGHT;
geom.aspect_ratio = (double)SGB_VIDEO_WIDTH / SGB_VIDEO_HEIGHT;
}
else
{
geom.base_width = VIDEO_WIDTH;
geom.base_height = VIDEO_HEIGHT;
geom.aspect_ratio = (double)VIDEO_WIDTH / VIDEO_HEIGHT;
}
}
geom.max_width = VIDEO_WIDTH * emulated_devices;
geom.max_height = VIDEO_HEIGHT * emulated_devices;
geom.max_width = SGB_VIDEO_WIDTH * emulated_devices;
geom.max_height = SGB_VIDEO_HEIGHT * emulated_devices;
info->geometry = geom;
info->timing = timing;
}
void retro_set_environment(retro_environment_t cb)
{
environ_cb = cb;
@ -735,7 +801,7 @@ void retro_set_video_refresh(retro_video_refresh_t cb)
void retro_reset(void)
{
for (int i = 0; i < emulated_devices; i++)
GB_reset(&gameboy[i]);
GB_reset(&gameboy[i]);
}
@ -750,19 +816,25 @@ void retro_run(void)
if (geometry_updated) {
struct retro_system_av_info info;
retro_get_system_av_info(&info);
geometry_updated = false;
environ_cb(RETRO_ENVIRONMENT_SET_GEOMETRY, &info.geometry);
geometry_updated = false;
}
if (!frame_buf)
return;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
check_variables(emulated_devices == 2 ? true : false);
check_variables();
GB_update_keys_status(&gameboy[0], 0);
if (emulated_devices == 2)
GB_update_keys_status(&gameboy[1], 1);
GB_update_keys_status(&gameboy[1], 1);
else if (emulated_devices == 1 && (model[0] == MODEL_SGB || model[0] == MODEL_SGB2))
{
for (unsigned i = 0; i < 4; i++)
GB_update_keys_status(&gameboy[0], i);
}
else
GB_update_keys_status(&gameboy[0], 0);
vblank1_occurred = vblank2_occurred = false;
signed delta = 0;
@ -778,22 +850,36 @@ void retro_run(void)
}
}
else
GB_run_frame(&gameboy[0]);
{
int x = GB_run_frame(&gameboy[0]);
log_cb(RETRO_LOG_DEBUG, "%d\n", x);
}
if (screen_layout == LAYOUT_TOP_DOWN) {
video_cb(frame_buf, VIDEO_WIDTH, VIDEO_HEIGHT * emulated_devices, VIDEO_WIDTH * sizeof(uint32_t));
}else if (screen_layout == LAYOUT_LEFT_RIGHT) {
/* use slow memcpy method for now */
for (int index = 0; index < emulated_devices; index++) {
for (int y = 0; y < VIDEO_HEIGHT; y++) {
for (int x = 0; x < VIDEO_WIDTH; x++) {
frame_buf_copy[VIDEO_WIDTH * emulated_devices * y + (x + VIDEO_WIDTH * index)] = frame_buf[VIDEO_WIDTH * (y + VIDEO_HEIGHT * index) + x];
if (emulated_devices == 2)
{
if (screen_layout == LAYOUT_TOP_DOWN) {
video_cb(frame_buf, VIDEO_WIDTH, VIDEO_HEIGHT * emulated_devices, VIDEO_WIDTH * sizeof(uint32_t));
}else if (screen_layout == LAYOUT_LEFT_RIGHT) {
/* use slow memcpy method for now */
for (int index = 0; index < emulated_devices; index++) {
for (int y = 0; y < VIDEO_HEIGHT; y++) {
for (int x = 0; x < VIDEO_WIDTH; x++) {
frame_buf_copy[VIDEO_WIDTH * emulated_devices * y + (x + VIDEO_WIDTH * index)] = frame_buf[VIDEO_WIDTH * (y + VIDEO_HEIGHT * index) + x];
}
}
}
}
video_cb(frame_buf_copy, VIDEO_WIDTH * emulated_devices, VIDEO_HEIGHT, VIDEO_WIDTH * emulated_devices * sizeof(uint32_t));
video_cb(frame_buf_copy, VIDEO_WIDTH * emulated_devices, VIDEO_HEIGHT, VIDEO_WIDTH * emulated_devices * sizeof(uint32_t));
}
}
else
{
if (model[0] == MODEL_SGB || model[0] == MODEL_SGB2)
video_cb(frame_buf, SGB_VIDEO_WIDTH, SGB_VIDEO_HEIGHT, SGB_VIDEO_WIDTH * sizeof(uint32_t));
else
video_cb(frame_buf, VIDEO_WIDTH, VIDEO_HEIGHT, VIDEO_WIDTH * sizeof(uint32_t));
}
initialized = true;
}
@ -801,23 +887,10 @@ void retro_run(void)
bool retro_load_game(const struct retro_game_info *info)
{
environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void *)vars_single);
check_variables(false);
check_variables();
if (sameboy_dual)
{
emulated_devices = 2;
mode = MODE_SINGLE_GAME_DUAL;
environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void *)vars_single_dual);
check_variables(true);
}
else
mode = MODE_SINGLE_GAME;
frame_buf = (uint32_t*)malloc(emulated_devices * VIDEO_PIXELS * sizeof(uint32_t));
frame_buf_copy = (uint32_t*)malloc(emulated_devices * VIDEO_PIXELS * sizeof(uint32_t));
memset(frame_buf, 0, emulated_devices * VIDEO_PIXELS * sizeof(uint32_t));
memset(frame_buf_copy, 0, emulated_devices * VIDEO_PIXELS * sizeof(uint32_t));
frame_buf = (uint32_t*)malloc(SGB_VIDEO_PIXELS* emulated_devices * sizeof(uint32_t));
memset(frame_buf, 0, SGB_VIDEO_PIXELS * emulated_devices * sizeof(uint32_t));
enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_XRGB8888;
if (!environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt))
@ -847,37 +920,12 @@ bool retro_load_game(const struct retro_game_info *info)
else
log_cb(RETRO_LOG_INFO, "Rumble environment not supported\n");
check_variables(emulated_devices == 2 ? true : false);
/* hack: use upstream's file based I/O for Game Boy 2 battery in single cart mode */
if (mode == MODE_SINGLE_GAME_DUAL)
{
char path[PATH_MAX];
char file[PATH_MAX];
extract_basename(file, retro_game_path, sizeof(file));
snprintf (path, sizeof(path), "%s%c%s.srm.2", retro_save_directory, slash, file);
log_cb(RETRO_LOG_INFO, "Loading battery for Game Boy 2 from: %s\n", path);
GB_load_battery(&gameboy[1], path);
}
check_variables();
return true;
}
void retro_unload_game(void)
{
/* hack: use upstream's file based I/O for Game Boy 2 battery in single cart mode */
if (mode == MODE_SINGLE_GAME_DUAL)
{
char path[PATH_MAX];
char file[PATH_MAX];
extract_basename(file, retro_game_path, sizeof(file));
snprintf (path, sizeof(path), "%s%c%s.srm.2", retro_save_directory, slash, file);
log_cb(RETRO_LOG_INFO, "Saving battery for Game Boy 2 to: %s\n", path);
GB_save_battery(&gameboy[1], path);
}
for (int i = 0; i < emulated_devices; i++)
GB_free(&gameboy[i]);
}
@ -891,15 +939,12 @@ bool retro_load_game_special(unsigned type, const struct retro_game_info *info,
{
if (type == RETRO_GAME_TYPE_GAMEBOY_LINK_2P)
{
emulated_devices = 2;
mode = MODE_DUAL_GAME;
}
else
return false; /* all other types are unhandled for now */
environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void *)vars_dual);
check_variables(true);
check_variables();
frame_buf = (uint32_t*)malloc(emulated_devices * VIDEO_PIXELS * sizeof(uint32_t));
frame_buf_copy = (uint32_t*)malloc(emulated_devices * VIDEO_PIXELS * sizeof(uint32_t));
@ -935,7 +980,7 @@ bool retro_load_game_special(unsigned type, const struct retro_game_info *info,
else
log_cb(RETRO_LOG_INFO, "Rumble environment not supported\n");
check_variables(emulated_devices == 2 ? true : false);
check_variables();
return true;
}
@ -998,139 +1043,124 @@ bool retro_unserialize(const void *data, size_t size)
void *retro_get_memory_data(unsigned type)
{
void *data = NULL;
switch(mode)
if (emulated_devices == 1)
{
case MODE_SINGLE_GAME:
case MODE_SINGLE_GAME_DUAL: /* todo: hook this properly */
{
switch(type)
{
case RETRO_MEMORY_SYSTEM_RAM:
data = gameboy[0].ram;
break;
case RETRO_MEMORY_SAVE_RAM:
if (gameboy[0].cartridge_type->has_battery && gameboy[0].mbc_ram_size != 0)
data = gameboy[0].mbc_ram;
else
data = NULL;
break;
case RETRO_MEMORY_VIDEO_RAM:
data = gameboy[0].vram;
break;
case RETRO_MEMORY_RTC:
if(gameboy[0].cartridge_type->has_battery)
data = GB_GET_SECTION(&gameboy[0], rtc);
else
data = NULL;
break;
default:
break;
}
}
break;
case MODE_DUAL_GAME:
{
switch (type)
{
case RETRO_MEMORY_GAMEBOY_1_SRAM:
if (gameboy[0].cartridge_type->has_battery && gameboy[0].mbc_ram_size != 0)
data = gameboy[0].mbc_ram;
else
data = NULL;
break;
case RETRO_MEMORY_GAMEBOY_2_SRAM:
if (gameboy[1].cartridge_type->has_battery && gameboy[1].mbc_ram_size != 0)
data = gameboy[1].mbc_ram;
else
data = NULL;
break;
case RETRO_MEMORY_GAMEBOY_1_RTC:
if(gameboy[0].cartridge_type->has_battery)
data = GB_GET_SECTION(&gameboy[0], rtc);
else
data = NULL;
break;
case RETRO_MEMORY_GAMEBOY_2_RTC:
if(gameboy[1].cartridge_type->has_battery)
data = GB_GET_SECTION(&gameboy[1], rtc);
else
data = NULL;
break;
default:
break;
}
}
break;
default:
break;
switch(type)
{
case RETRO_MEMORY_SYSTEM_RAM:
data = gameboy[0].ram;
break;
case RETRO_MEMORY_SAVE_RAM:
if (gameboy[0].cartridge_type->has_battery && gameboy[0].mbc_ram_size != 0)
data = gameboy[0].mbc_ram;
else
data = NULL;
break;
case RETRO_MEMORY_VIDEO_RAM:
data = gameboy[0].vram;
break;
case RETRO_MEMORY_RTC:
if(gameboy[0].cartridge_type->has_battery)
data = GB_GET_SECTION(&gameboy[0], rtc);
else
data = NULL;
break;
default:
break;
}
}
else
{
switch (type)
{
case RETRO_MEMORY_GAMEBOY_1_SRAM:
if (gameboy[0].cartridge_type->has_battery && gameboy[0].mbc_ram_size != 0)
data = gameboy[0].mbc_ram;
else
data = NULL;
break;
case RETRO_MEMORY_GAMEBOY_2_SRAM:
if (gameboy[1].cartridge_type->has_battery && gameboy[1].mbc_ram_size != 0)
data = gameboy[1].mbc_ram;
else
data = NULL;
break;
case RETRO_MEMORY_GAMEBOY_1_RTC:
if(gameboy[0].cartridge_type->has_battery)
data = GB_GET_SECTION(&gameboy[0], rtc);
else
data = NULL;
break;
case RETRO_MEMORY_GAMEBOY_2_RTC:
if(gameboy[1].cartridge_type->has_battery)
data = GB_GET_SECTION(&gameboy[1], rtc);
else
data = NULL;
break;
default:
break;
}
}
return data;
}
size_t retro_get_memory_size(unsigned type)
{
size_t size = 0;
switch(mode)
if (emulated_devices == 1)
{
case MODE_SINGLE_GAME:
case MODE_SINGLE_GAME_DUAL: /* todo: hook this properly */
{
switch(type)
{
case RETRO_MEMORY_SYSTEM_RAM:
size = gameboy[0].ram_size;
break;
case RETRO_MEMORY_SAVE_RAM:
if (gameboy[0].cartridge_type->has_battery && gameboy[0].mbc_ram_size != 0)
size = gameboy[0].mbc_ram_size;
else
size = 0;
break;
case RETRO_MEMORY_VIDEO_RAM:
size = gameboy[0].vram_size;
break;
case RETRO_MEMORY_RTC:
if(gameboy[0].cartridge_type->has_battery)
size = GB_SECTION_SIZE(rtc);
else
size = 0;
break;
default:
break;
}
}
break;
case MODE_DUAL_GAME:
{
switch (type)
{
case RETRO_MEMORY_GAMEBOY_1_SRAM:
if (gameboy[0].cartridge_type->has_battery && gameboy[0].mbc_ram_size != 0)
size = gameboy[0].mbc_ram_size;
else
size = 0;
break;
case RETRO_MEMORY_GAMEBOY_2_SRAM:
if (gameboy[1].cartridge_type->has_battery && gameboy[1].mbc_ram_size != 0)
size = gameboy[1].mbc_ram_size;
else
size = 0;
break;
case RETRO_MEMORY_GAMEBOY_1_RTC:
if(gameboy[0].cartridge_type->has_battery)
size = GB_SECTION_SIZE(rtc);
break;
case RETRO_MEMORY_GAMEBOY_2_RTC:
if(gameboy[1].cartridge_type->has_battery)
size = GB_SECTION_SIZE(rtc);
break;
default:
break;
}
}
break;
default:
break;
switch(type)
{
case RETRO_MEMORY_SYSTEM_RAM:
size = gameboy[0].ram_size;
break;
case RETRO_MEMORY_SAVE_RAM:
if (gameboy[0].cartridge_type->has_battery && gameboy[0].mbc_ram_size != 0)
size = gameboy[0].mbc_ram_size;
else
size = 0;
break;
case RETRO_MEMORY_VIDEO_RAM:
size = gameboy[0].vram_size;
break;
case RETRO_MEMORY_RTC:
if(gameboy[0].cartridge_type->has_battery)
size = GB_SECTION_SIZE(rtc);
else
size = 0;
break;
default:
break;
}
}
else
{
switch (type)
{
case RETRO_MEMORY_GAMEBOY_1_SRAM:
if (gameboy[0].cartridge_type->has_battery && gameboy[0].mbc_ram_size != 0)
size = gameboy[0].mbc_ram_size;
else
size = 0;
break;
case RETRO_MEMORY_GAMEBOY_2_SRAM:
if (gameboy[1].cartridge_type->has_battery && gameboy[1].mbc_ram_size != 0)
size = gameboy[1].mbc_ram_size;
else
size = 0;
break;
case RETRO_MEMORY_GAMEBOY_1_RTC:
if(gameboy[0].cartridge_type->has_battery)
size = GB_SECTION_SIZE(rtc);
break;
case RETRO_MEMORY_GAMEBOY_2_RTC:
if(gameboy[1].cartridge_type->has_battery)
size = GB_SECTION_SIZE(rtc);
break;
default:
break;
}
}
return size;