mirror of
https://github.com/libretro/skeletor.git
synced 2026-11-07 04:26:06 -10:00
Add initial files
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twinaphex committed
commit
f065db68a7
5 files changed
+2566
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@@ -0,0 +1,154 @@
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STATIC_LINKING := 0
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AR := ar
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ifneq ($(V),1)
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Q := @
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endif
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ifneq ($(SANITIZER),)
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CFLAGS := -fsanitize=$(SANITIZER) $(CFLAGS)
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CXXFLAGS := -fsanitize=$(SANITIZER) $(CXXFLAGS)
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LDFLAGS := -fsanitize=$(SANITIZER) $(LDFLAGS)
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endif
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ifeq ($(platform),)
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platform = unix
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ifeq ($(shell uname -a),)
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platform = win
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else ifneq ($(findstring MINGW,$(shell uname -a)),)
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platform = win
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else ifneq ($(findstring Darwin,$(shell uname -a)),)
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platform = osx
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else ifneq ($(findstring win,$(shell uname -a)),)
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platform = win
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endif
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endif
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# system platform
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system_platform = unix
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ifeq ($(shell uname -a),)
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EXE_EXT = .exe
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system_platform = win
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else ifneq ($(findstring Darwin,$(shell uname -a)),)
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system_platform = osx
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arch = intel
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ifeq ($(shell uname -p),powerpc)
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arch = ppc
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endif
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else ifneq ($(findstring MINGW,$(shell uname -a)),)
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system_platform = win
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endif
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CORE_DIR += .
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TARGET_NAME := skeleton
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LIBM = -lm
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ifeq ($(ARCHFLAGS),)
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ifeq ($(archs),ppc)
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ARCHFLAGS = -arch ppc -arch ppc64
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else
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ARCHFLAGS = -arch i386 -arch x86_64
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endif
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endif
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ifeq ($(platform), osx)
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ifndef ($(NOUNIVERSAL))
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CXXFLAGS += $(ARCHFLAGS)
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LFLAGS += $(ARCHFLAGS)
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endif
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endif
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ifeq ($(STATIC_LINKING), 1)
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EXT := a
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endif
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ifeq ($(platform), unix)
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EXT ?= so
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TARGET := $(TARGET_NAME)_libretro.$(EXT)
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fpic := -fPIC
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SHARED := -shared -Wl,--version-script=$(CORE_DIR)/link.T -Wl,--no-undefined
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else ifeq ($(platform), linux-portable)
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TARGET := $(TARGET_NAME)_libretro.$(EXT)
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fpic := -fPIC -nostdlib
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SHARED := -shared -Wl,--version-script=$(CORE_DIR)/link.T
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LIBM :=
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else ifneq (,$(findstring osx,$(platform)))
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TARGET := $(TARGET_NAME)_libretro.dylib
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fpic := -fPIC
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SHARED := -dynamiclib
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else ifneq (,$(findstring ios,$(platform)))
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TARGET := $(TARGET_NAME)_libretro_ios.dylib
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fpic := -fPIC
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SHARED := -dynamiclib
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ifeq ($(IOSSDK),)
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IOSSDK := $(shell xcodebuild -version -sdk iphoneos Path)
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endif
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DEFINES := -DIOS
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CC = cc -arch armv7 -isysroot $(IOSSDK)
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ifeq ($(platform),ios9)
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CC += -miphoneos-version-min=8.0
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CXXFLAGS += -miphoneos-version-min=8.0
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else
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CC += -miphoneos-version-min=5.0
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CXXFLAGS += -miphoneos-version-min=5.0
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endif
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else ifneq (,$(findstring qnx,$(platform)))
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TARGET := $(TARGET_NAME)_libretro_qnx.so
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fpic := -fPIC
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SHARED := -shared -Wl,--version-script=$(CORE_DIR)/link.T -Wl,--no-undefined
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else ifeq ($(platform), emscripten)
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TARGET := $(TARGET_NAME)_libretro_emscripten.bc
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fpic := -fPIC
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SHARED := -shared -Wl,--version-script=$(CORE_DIR)/link.T -Wl,--no-undefined
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else ifeq ($(platform), vita)
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TARGET := $(TARGET_NAME)_vita.a
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CC = arm-vita-eabi-gcc
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AR = arm-vita-eabi-ar
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CXXFLAGS += -Wl,-q -Wall -O3
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STATIC_LINKING = 1
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else
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CC = gcc
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TARGET := $(TARGET_NAME)_libretro.dll
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SHARED := -shared -static-libgcc -static-libstdc++ -s -Wl,--version-script=$(CORE_DIR)/link.T -Wl,--no-undefined
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endif
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LDFLAGS += $(LIBM)
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ifeq ($(DEBUG), 1)
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CFLAGS += -O0 -g -DDEBUG
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CXXFLAGS += -O0 -g -DDEBUG
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else
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CFLAGS += -O3
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CXXFLAGS += -O3
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endif
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include Makefile.common
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OBJECTS := $(SOURCES_C:.c=.o) $(SOURCES_CXX:.cpp=.o)
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CFLAGS += -Wall -D__LIBRETRO__ $(fpic)
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CXXFLAGS += -Wall -D__LIBRETRO__ $(fpic)
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all: $(TARGET)
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$(TARGET): $(OBJECTS)
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ifeq ($(STATIC_LINKING), 1)
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$(AR) rcs $@ $(OBJECTS)
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else
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@$(if $(Q), $(shell echo echo LD $@),)
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$(Q)$(CXX) $(fpic) $(SHARED) $(INCLUDES) -o $@ $(OBJECTS) $(LDFLAGS)
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endif
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%.o: %.c
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@$(if $(Q), $(shell echo echo CC $<),)
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$(Q)$(CXX) $(CFLAGS) $(fpic) -c -o $@ $<
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clean:
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rm -f $(OBJECTS) $(TARGET)
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.PHONY: clean
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print-%:
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@echo '$*=$($*)'
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@@ -0,0 +1,2 @@
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SOURCES_C :=
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SOURCES_CXX := $(CORE_DIR)/libretro.c
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+276
@@ -0,0 +1,276 @@
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <math.h>
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#include <stdio.h>
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#if defined(_WIN32) && !defined(_XBOX)
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#include <windows.h>
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#endif
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#include "libretro.h"
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#define VIDEO_WIDTH 256
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#define VIDEO_HEIGHT 384
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#define VIDEO_PIXELS VIDEO_WIDTH * VIDEO_HEIGHT
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static uint8_t *frame_buf;
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static struct retro_log_callback logging;
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static retro_log_printf_t log_cb;
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static bool use_audio_cb;
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static float last_aspect;
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static float last_sample_rate;
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char retro_base_directory[4096];
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char retro_game_path[4096];
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static void fallback_log(enum retro_log_level level, const char *fmt, ...)
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{
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(void)level;
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va_list va;
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va_start(va, fmt);
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vfprintf(stderr, fmt, va);
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va_end(va);
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}
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static retro_environment_t environ_cb;
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void retro_init(void)
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{
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frame_buf = (uint8_t*)malloc(VIDEO_PIXELS * sizeof(uint32_t));
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const char *dir = NULL;
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if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
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{
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snprintf(retro_base_directory, sizeof(retro_base_directory), "%s", dir);
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}
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}
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void retro_deinit(void)
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{
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free(frame_buf);
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frame_buf = NULL;
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}
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unsigned retro_api_version(void)
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{
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return RETRO_API_VERSION;
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}
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void retro_set_controller_port_device(unsigned port, unsigned device)
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{
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log_cb(RETRO_LOG_INFO, "Plugging device %u into port %u.\n", device, port);
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}
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void retro_get_system_info(struct retro_system_info *info)
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{
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memset(info, 0, sizeof(*info));
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info->library_name = "skeleton";
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info->library_version = "0.1";
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info->need_fullpath = true;
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info->valid_extensions = "";
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}
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static retro_video_refresh_t video_cb;
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static retro_audio_sample_t audio_cb;
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static retro_audio_sample_batch_t audio_batch_cb;
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static retro_input_poll_t input_poll_cb;
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static retro_input_state_t input_state_cb;
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void retro_get_system_av_info(struct retro_system_av_info *info)
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{
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float aspect = 0.0f;
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float sampling_rate = 30000.0f;
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info->geometry.base_width = VIDEO_WIDTH;
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info->geometry.base_height = VIDEO_HEIGHT;
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info->geometry.max_width = VIDEO_WIDTH;
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info->geometry.max_height = VIDEO_HEIGHT;
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info->geometry.aspect_ratio = aspect;
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last_aspect = aspect;
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last_sample_rate = sampling_rate;
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}
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static struct retro_rumble_interface rumble;
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void retro_set_environment(retro_environment_t cb)
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{
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environ_cb = cb;
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if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
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log_cb = logging.log;
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else
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log_cb = fallback_log;
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static const struct retro_controller_description controllers[] = {
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{ "Nintendo DS", RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0) },
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};
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static const struct retro_controller_info ports[] = {
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{ controllers, 1 },
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{ NULL, 0 },
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};
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cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
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}
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void retro_set_audio_sample(retro_audio_sample_t cb)
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{
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audio_cb = cb;
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}
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void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb)
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{
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audio_batch_cb = cb;
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}
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void retro_set_input_poll(retro_input_poll_t cb)
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{
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input_poll_cb = cb;
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}
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void retro_set_input_state(retro_input_state_t cb)
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{
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input_state_cb = cb;
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}
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void retro_set_video_refresh(retro_video_refresh_t cb)
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{
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video_cb = cb;
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}
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static unsigned x_coord;
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static unsigned y_coord;
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static unsigned phase;
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static int mouse_rel_x;
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static int mouse_rel_y;
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void retro_reset(void)
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{
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x_coord = 0;
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y_coord = 0;
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}
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static void update_input(void)
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{
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}
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static void check_variables(void)
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{
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}
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static void audio_callback(void)
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{
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for (unsigned i = 0; i < 30000 / 60; i++, phase++)
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{
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int16_t val = 0x800 * sinf(2.0f * M_PI * phase * 300.0f / 30000.0f);
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audio_cb(val, val);
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}
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phase %= 100;
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}
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static void audio_set_state(bool enable)
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{
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(void)enable;
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}
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void retro_run(void)
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{
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unsigned i;
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update_input();
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bool updated = false;
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if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
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check_variables();
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}
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bool retro_load_game(const struct retro_game_info *info)
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{
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struct retro_input_descriptor desc[] = {
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{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "Left" },
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{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "Up" },
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{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "Down" },
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{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "Right" },
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{ 0 },
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};
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environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
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enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_XRGB8888;
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if (!environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt))
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{
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log_cb(RETRO_LOG_INFO, "XRGB8888 is not supported.\n");
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return false;
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}
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snprintf(retro_game_path, sizeof(retro_game_path), "%s", info->path);
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struct retro_audio_callback audio_cb = { audio_callback, audio_set_state };
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use_audio_cb = environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_CALLBACK, &audio_cb);
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check_variables();
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(void)info;
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return true;
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}
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void retro_unload_game(void)
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{
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}
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unsigned retro_get_region(void)
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{
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return RETRO_REGION_NTSC;
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}
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bool retro_load_game_special(unsigned type, const struct retro_game_info *info, size_t num)
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{
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return false;
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}
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size_t retro_serialize_size(void)
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{
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return false;
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}
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bool retro_serialize(void *data_, size_t size)
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{
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return false;
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}
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bool retro_unserialize(const void *data_, size_t size)
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{
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return false;
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}
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void *retro_get_memory_data(unsigned id)
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{
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(void)id;
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return NULL;
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}
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size_t retro_get_memory_size(unsigned id)
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{
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(void)id;
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return 0;
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}
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void retro_cheat_reset(void)
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{}
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void retro_cheat_set(unsigned index, bool enabled, const char *code)
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{
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(void)index;
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(void)enabled;
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(void)code;
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}
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||||
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||||
+2129
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