initial port
This commit is contained in:
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parent
59d107bfb0
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601ce03756
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@ -0,0 +1,141 @@
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STATIC_LINKING := 0
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AR := ar
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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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TARGET_NAME := melonds
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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=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=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 := $(TARGET_NAME)_libretro_qnx.so
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fpic := -fPIC
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SHARED := -shared -Wl,--version-script=link.T -Wl,--no-undefined
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else ifeq ($(platform), emscripten)
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TARGET := $(TARGET_NAME)_libretro_emscripten.bc
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fpic := -fPIC
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SHARED := -shared -Wl,--version-script=link.T -Wl,--no-undefined
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else ifeq ($(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=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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CXXFLAGS += -O0 -g
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else
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CXXFLAGS += -O3
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endif
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OBJECTS := NDS.o ARM.o ARMInterpreter.o ARMInterpreter_ALU.o ARMInterpreter_Branch.o ARMInterpreter_LoadStore.o CP15.o DMA.o GPU.o GPU2D.o GPU3D.o NDSCart.o RTC.o SPI.o Wifi.o libretro.o
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CXXFLAGS += -I../../libretro-common/include -Wall -pedantic $(fpic)
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ifneq (,$(findstring qnx,$(platform)))
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CXXFLAGS += -Wc,-std=c99
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else
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CXXFLAGS += -std=gnu99
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endif
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CXXFLAGS += -I../../libretro-common/include
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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 $@ $(OBJECTS)
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else
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$(CXX) $(fpic) $(SHARED) $(INCLUDES) -o $@ $(OBJECTS) $(LDFLAGS)
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endif
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%.o: %.c
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$(CXX) $(CXXFLAGS) $(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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@ -0,0 +1,358 @@
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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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#include <windows.h>
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#include "NDS.h"
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#include "GPU.h"
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#include "libretro.h"
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static uint32_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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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 = (uint32_t*)malloc(320 * 240 * 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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NDS::Init();
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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 = "melonDS";
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info->library_version = "what?";
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info->need_fullpath = true;
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info->valid_extensions = "nds";
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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 = 4.0f / 3.0f;
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float sampling_rate = 30000.0f;
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info->geometry = (struct retro_game_geometry) {
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.base_width = 320,
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.base_height = 240,
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.max_width = 320,
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.max_height = 240,
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.aspect_ratio = aspect,
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};
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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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bool no_content = true;
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cb(RETRO_ENVIRONMENT_SET_SUPPORT_NO_GAME, &no_content);
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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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int dir_x = 0;
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int dir_y = 0;
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input_poll_cb();
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if (input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP))
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dir_y--;
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if (input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN))
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dir_y++;
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if (input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT))
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dir_x--;
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if (input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT))
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dir_x++;
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if (input_state_cb(0, RETRO_DEVICE_KEYBOARD, 0, RETROK_RETURN))
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log_cb(RETRO_LOG_INFO, "Return key is pressed!\n");
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if (input_state_cb(0, RETRO_DEVICE_KEYBOARD, 0, RETROK_x))
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log_cb(RETRO_LOG_INFO, "x key is pressed!\n");
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int16_t mouse_x = input_state_cb(0, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_X);
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int16_t mouse_y = input_state_cb(0, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_Y);
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bool mouse_l = input_state_cb(0, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_LEFT);
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bool mouse_r = input_state_cb(0, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_RIGHT);
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bool mouse_down = input_state_cb(0, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_WHEELDOWN);
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bool mouse_up = input_state_cb(0, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_WHEELUP);
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bool mouse_middle = input_state_cb(0, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_MIDDLE);
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if (mouse_x)
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log_cb(RETRO_LOG_INFO, "Mouse X: %d\n", mouse_x);
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if (mouse_y)
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log_cb(RETRO_LOG_INFO, "Mouse Y: %d\n", mouse_y);
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if (mouse_l)
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log_cb(RETRO_LOG_INFO, "Mouse L pressed.\n");
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if (mouse_r)
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log_cb(RETRO_LOG_INFO, "Mouse R pressed.\n");
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if (mouse_down)
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log_cb(RETRO_LOG_INFO, "Mouse wheeldown pressed.\n");
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if (mouse_up)
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log_cb(RETRO_LOG_INFO, "Mouse wheelup pressed.\n");
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if (mouse_middle)
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log_cb(RETRO_LOG_INFO, "Mouse middle pressed.\n");
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mouse_rel_x += mouse_x;
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mouse_rel_y += mouse_y;
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if (mouse_rel_x >= 310)
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mouse_rel_x = 309;
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else if (mouse_rel_x < 10)
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mouse_rel_x = 10;
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if (mouse_rel_y >= 230)
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mouse_rel_y = 229;
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else if (mouse_rel_y < 10)
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mouse_rel_y = 10;
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bool pointer_pressed = input_state_cb(0, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_PRESSED);
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int16_t pointer_x = input_state_cb(0, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_X);
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int16_t pointer_y = input_state_cb(0, RETRO_DEVICE_POINTER, 0, RETRO_DEVICE_ID_POINTER_Y);
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if (pointer_pressed)
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log_cb(RETRO_LOG_INFO, "Pointer: (%6d, %6d).\n", pointer_x, pointer_y);
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dir_x += input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X) / 5000;
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dir_y += input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / 5000;
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dir_x += input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X) / 5000;
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dir_y += input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y) / 5000;
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x_coord = (x_coord + dir_x) & 31;
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y_coord = (y_coord + dir_y) & 31;
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if (rumble.set_rumble_state)
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{
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static bool old_start;
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static bool old_select;
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uint16_t strength_strong = input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2) ? 0x4000 : 0xffff;
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uint16_t strength_weak = input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2) ? 0x4000 : 0xffff;
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bool start = input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START);
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bool select = input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT);
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if (old_start != start)
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log_cb(RETRO_LOG_INFO, "Strong rumble: %s.\n", start ? "ON": "OFF");
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rumble.set_rumble_state(0, RETRO_RUMBLE_STRONG, start * strength_strong);
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if (old_select != select)
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log_cb(RETRO_LOG_INFO, "Weak rumble: %s.\n", select ? "ON": "OFF");
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rumble.set_rumble_state(0, RETRO_RUMBLE_WEAK, select * strength_weak);
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old_start = start;
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old_select = select;
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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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update_input();
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NDS::RunFrame();
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if (!use_audio_cb)
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audio_callback();
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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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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)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
unsigned retro_get_region(void)
|
||||
{
|
||||
return RETRO_REGION_NTSC;
|
||||
}
|
||||
|
||||
bool retro_load_game_special(unsigned type, const struct retro_game_info *info, size_t num)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
size_t retro_serialize_size(void)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
bool retro_serialize(void *data_, size_t size)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
bool retro_unserialize(const void *data_, size_t size)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
void *retro_get_memory_data(unsigned id)
|
||||
{
|
||||
(void)id;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
size_t retro_get_memory_size(unsigned id)
|
||||
{
|
||||
(void)id;
|
||||
return 0;
|
||||
}
|
||||
|
||||
void retro_cheat_reset(void)
|
||||
{}
|
||||
|
||||
void retro_cheat_set(unsigned index, bool enabled, const char *code)
|
||||
{
|
||||
(void)index;
|
||||
(void)enabled;
|
||||
(void)code;
|
||||
}
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
Binary file not shown.
11
src/NDS.cpp
11
src/NDS.cpp
|
|
@ -29,6 +29,7 @@
|
|||
#include "RTC.h"
|
||||
#include "Wifi.h"
|
||||
|
||||
extern char retro_base_directory[4096];
|
||||
|
||||
namespace NDS
|
||||
{
|
||||
|
|
@ -220,9 +221,11 @@ void Reset()
|
|||
FILE* f;
|
||||
u32 i;
|
||||
|
||||
f = fopen("bios9.bin", "rb");
|
||||
char path[2048];
|
||||
snprintf(path, sizeof(path), "%s/bios9.bin", retro_base_directory);
|
||||
f = fopen(path, "rb");
|
||||
if (!f)
|
||||
printf("ARM9 BIOS not found\n");
|
||||
printf("ARM9 BIOS not found at %s\n");
|
||||
else
|
||||
{
|
||||
fseek(f, 0, SEEK_SET);
|
||||
|
|
@ -232,7 +235,8 @@ void Reset()
|
|||
fclose(f);
|
||||
}
|
||||
|
||||
f = fopen("bios7.bin", "rb");
|
||||
snprintf(path, sizeof(path), "%s/bios7.bin", retro_base_directory);
|
||||
f = fopen(path, "rb");
|
||||
if (!f)
|
||||
printf("ARM7 BIOS not found\n");
|
||||
else
|
||||
|
|
@ -308,6 +312,7 @@ void Reset()
|
|||
_soundbias = 0;
|
||||
}
|
||||
|
||||
|
||||
void LoadROM(const char* path, bool direct)
|
||||
{
|
||||
Reset();
|
||||
|
|
|
|||
|
|
@ -21,6 +21,7 @@
|
|||
#include "NDS.h"
|
||||
#include "SPI.h"
|
||||
|
||||
extern char retro_base_directory[4096];
|
||||
|
||||
namespace SPI_Firmware
|
||||
{
|
||||
|
|
@ -37,6 +38,8 @@ u8 StatusReg;
|
|||
u32 Addr;
|
||||
|
||||
|
||||
|
||||
|
||||
u16 CRC16(u8* data, u32 len, u32 start)
|
||||
{
|
||||
u16 blarg[8] = {0xC0C1, 0xC181, 0xC301, 0xC601, 0xCC01, 0xD801, 0xF001, 0xA001};
|
||||
|
|
@ -85,7 +88,9 @@ void Reset()
|
|||
if (Firmware) delete[] Firmware;
|
||||
Firmware = NULL;
|
||||
|
||||
FILE* f = fopen("firmware.bin", "rb");
|
||||
char path[2047];
|
||||
snprintf(path, sizeof(path), "%s/firmware.bin", retro_base_directory);
|
||||
FILE* f = fopen(path, "rb");
|
||||
if (!f)
|
||||
{
|
||||
printf("firmware.bin not found\n");
|
||||
|
|
|
|||
Loading…
Reference in New Issue