diff --git a/.gitignore b/.gitignore index 5673796..550058c 100644 --- a/.gitignore +++ b/.gitignore @@ -4,5 +4,7 @@ psp2/*.velf psp2/build_vita/* psp2/*.a sdl/gen_sdl +sdl/gen_sdl2 sdl/build_sdl +sdl/build_sdl2 diff --git a/sdl/Makefile b/sdl/Makefile.sdl1 similarity index 94% rename from sdl/Makefile rename to sdl/Makefile.sdl1 index cb5bd1d..7be4437 100644 --- a/sdl/Makefile +++ b/sdl/Makefile.sdl1 @@ -19,21 +19,21 @@ # -D16BPP_RENDERING - configure for 16-bit pixels (RGB565) # -D32BPP_RENDERING - configure for 32-bit pixels (RGB888) -ifeq ($(OS),Windows_NT) -NAME = gen_sdl.exe -else NAME = gen_sdl -endif CC = gcc CFLAGS = `sdl-config --cflags` -march=i686 -O6 -fomit-frame-pointer -Wall -Wno-strict-aliasing -ansi -std=c99 -pedantic-errors #-g -ggdb -pg #-fomit-frame-pointer #LDFLAGS = -pg -DEFINES = -DLSB_FIRST -DUSE_16BPP_RENDERING -DUSE_LIBTREMOR +DEFINES = -DLSB_FIRST -DUSE_16BPP_RENDERING -DUSE_LIBTREMOR -DMAXROMSIZE=33554432 + +ifneq ($(OS),Windows_NT) +DEFINES += -DHAVE_ALLOCA_H +endif SRCDIR = ../core -INCLUDES = -I$(SRCDIR) -I$(SRCDIR)/z80 -I$(SRCDIR)/m68k -I$(SRCDIR)/sound -I$(SRCDIR)/input_hw -I$(SRCDIR)/cart_hw -I$(SRCDIR)/cart_hw/svp -I$(SRCDIR)/cd_hw -I$(SRCDIR)/ntsc -I$(SRCDIR)/tremor -I$(SRCDIR)/../sdl +INCLUDES = -I$(SRCDIR) -I$(SRCDIR)/z80 -I$(SRCDIR)/m68k -I$(SRCDIR)/sound -I$(SRCDIR)/input_hw -I$(SRCDIR)/cart_hw -I$(SRCDIR)/cart_hw/svp -I$(SRCDIR)/cd_hw -I$(SRCDIR)/ntsc -I$(SRCDIR)/tremor -I$(SRCDIR)/../sdl -I$(SRCDIR)/../sdl/sdl1 LIBS = `sdl-config --libs` -lz -lm OBJDIR = ./build_sdl @@ -169,6 +169,9 @@ $(OBJDIR)/%.o : $(SRCDIR)/tremor/%.c $(OBJDIR)/%.o : $(SRCDIR)/../sdl/%.c $(SRCDIR)/../sdl/%.h $(CC) -c $(CFLAGS) $(INCLUDES) $(DEFINES) $< -o $@ +$(OBJDIR)/%.o : $(SRCDIR)/../sdl/sdl1/%.c $(SRCDIR)/../sdl/sdl1/%.h + $(CC) -c $(CFLAGS) $(INCLUDES) $(DEFINES) $< -o $@ + ifeq ($(OS),Windows_NT) $(OBJDIR)/icon.o : windres $(SRCDIR)/../sdl/icon.rc $@ diff --git a/sdl/Makefile.sdl2 b/sdl/Makefile.sdl2 new file mode 100644 index 0000000..73b2ede --- /dev/null +++ b/sdl/Makefile.sdl2 @@ -0,0 +1,185 @@ + +# Makefile for genplus SDL2 +# +# (c) 1999, 2000, 2001, 2002, 2003 Charles MacDonald +# modified by Eke-Eke +# +# Defines : +# -DLSB_FIRST : for little endian systems. +# -DLOGERROR : enable message logging +# -DLOGVDP : enable VDP debug messages +# -DLOGSOUND : enable AUDIO debug messages +# -DLOG_SCD : enable SCD debug messages +# -DLOG_CDD : enable CDD debug messages +# -DLOG_CDC : enable CDC debug messages +# -DLOG_PCM : enable PCM debug messages +# -DLOGSOUND : enable AUDIO debug messages +# -D8BPP_RENDERING - configure for 8-bit pixels (RGB332) +# -D15BPP_RENDERING - configure for 15-bit pixels (RGB555) +# -D16BPP_RENDERING - configure for 16-bit pixels (RGB565) +# -D32BPP_RENDERING - configure for 32-bit pixels (RGB888) + +NAME = gen_sdl2 + +CC = gcc +CFLAGS = `sdl2-config --cflags` -march=i686 -O6 -fomit-frame-pointer -Wall -Wno-strict-aliasing -ansi -std=c99 -pedantic-errors +#-g -ggdb -pg +#-fomit-frame-pointer +#LDFLAGS = -pg +DEFINES = -DLSB_FIRST -DUSE_16BPP_RENDERING -DUSE_LIBTREMOR -DMAXROMSIZE=33554432 + +ifneq ($(OS),Windows_NT) +DEFINES += -DHAVE_ALLOCA_H +endif + +SRCDIR = ../core +INCLUDES = -I$(SRCDIR) -I$(SRCDIR)/z80 -I$(SRCDIR)/m68k -I$(SRCDIR)/sound -I$(SRCDIR)/input_hw -I$(SRCDIR)/cart_hw -I$(SRCDIR)/cart_hw/svp -I$(SRCDIR)/cd_hw -I$(SRCDIR)/ntsc -I$(SRCDIR)/tremor -I$(SRCDIR)/../sdl -I$(SRCDIR)/../sdl/sdl2 +LIBS = `sdl2-config --libs` -lz -lm + +OBJDIR = ./build_sdl2 + +OBJECTS = $(OBJDIR)/z80.o + +OBJECTS += $(OBJDIR)/m68kcpu.o \ + $(OBJDIR)/s68kcpu.o + +OBJECTS += $(OBJDIR)/genesis.o \ + $(OBJDIR)/vdp_ctrl.o \ + $(OBJDIR)/vdp_render.o \ + $(OBJDIR)/system.o \ + $(OBJDIR)/io_ctrl.o \ + $(OBJDIR)/mem68k.o \ + $(OBJDIR)/memz80.o \ + $(OBJDIR)/membnk.o \ + $(OBJDIR)/state.o \ + $(OBJDIR)/loadrom.o + +OBJECTS += $(OBJDIR)/input.o \ + $(OBJDIR)/gamepad.o \ + $(OBJDIR)/lightgun.o \ + $(OBJDIR)/mouse.o \ + $(OBJDIR)/activator.o \ + $(OBJDIR)/xe_1ap.o \ + $(OBJDIR)/teamplayer.o \ + $(OBJDIR)/paddle.o \ + $(OBJDIR)/sportspad.o \ + $(OBJDIR)/terebi_oekaki.o \ + $(OBJDIR)/graphic_board.o + +OBJECTS += $(OBJDIR)/sound.o \ + $(OBJDIR)/sn76489.o \ + $(OBJDIR)/ym2413.o \ + $(OBJDIR)/ym2612.o + +OBJECTS += $(OBJDIR)/blip_buf.o + +OBJECTS += $(OBJDIR)/eq.o + +OBJECTS += $(OBJDIR)/sram.o \ + $(OBJDIR)/svp.o \ + $(OBJDIR)/ssp16.o \ + $(OBJDIR)/ggenie.o \ + $(OBJDIR)/areplay.o \ + $(OBJDIR)/eeprom_93c.o \ + $(OBJDIR)/eeprom_i2c.o \ + $(OBJDIR)/eeprom_spi.o \ + $(OBJDIR)/md_cart.o \ + $(OBJDIR)/sms_cart.o + +OBJECTS += $(OBJDIR)/scd.o \ + $(OBJDIR)/cdd.o \ + $(OBJDIR)/cdc.o \ + $(OBJDIR)/gfx.o \ + $(OBJDIR)/pcm.o \ + $(OBJDIR)/cd_cart.o + +OBJECTS += $(OBJDIR)/sms_ntsc.o \ + $(OBJDIR)/md_ntsc.o + +OBJECTS += $(OBJDIR)/main.o \ + $(OBJDIR)/config.o \ + $(OBJDIR)/error.o \ + $(OBJDIR)/unzip.o \ + $(OBJDIR)/fileio.o + +OBJECTS += $(OBJDIR)/bitwise.o \ + $(OBJDIR)/block.o \ + $(OBJDIR)/codebook.o \ + $(OBJDIR)/floor0.o \ + $(OBJDIR)/floor1.o \ + $(OBJDIR)/framing.o \ + $(OBJDIR)/info.o \ + $(OBJDIR)/mapping0.o \ + $(OBJDIR)/mdct.o \ + $(OBJDIR)/registry.o \ + $(OBJDIR)/res012.o \ + $(OBJDIR)/sharedbook.o \ + $(OBJDIR)/synthesis.o \ + $(OBJDIR)/vorbisfile.o \ + $(OBJDIR)/window.o + +ifeq ($(OS),Windows_NT) +OBJECTS += $(OBJDIR)/icon.o +endif + +all: $(NAME) + +$(NAME): $(OBJDIR) $(OBJECTS) + $(CC) $(LDFLAGS) $(OBJECTS) $(LIBS) -o $@ + +$(OBJDIR) : + @[ -d $@ ] || mkdir -p $@ + +$(OBJDIR)/%.o : $(SRCDIR)/%.c $(SRCDIR)/%.h + $(CC) -c $(CFLAGS) $(INCLUDES) $(DEFINES) $< -o $@ + +$(OBJDIR)/%.o : $(SRCDIR)/sound/%.c $(SRCDIR)/sound/%.h + $(CC) -c $(CFLAGS) $(INCLUDES) $(DEFINES) $< -o $@ + +$(OBJDIR)/%.o : $(SRCDIR)/input_hw/%.c $(SRCDIR)/input_hw/%.h + $(CC) -c $(CFLAGS) $(INCLUDES) $(DEFINES) $< -o $@ + +$(OBJDIR)/%.o : $(SRCDIR)/cart_hw/%.c $(SRCDIR)/cart_hw/%.h + $(CC) -c $(CFLAGS) $(INCLUDES) $(DEFINES) $< -o $@ + +$(OBJDIR)/%.o : $(SRCDIR)/cart_hw/svp/%.c + $(CC) -c $(CFLAGS) $(INCLUDES) $(DEFINES) $< -o $@ + +$(OBJDIR)/%.o : $(SRCDIR)/cart_hw/svp/%.c $(SRCDIR)/cart_hw/svp/%.h + $(CC) -c $(CFLAGS) $(INCLUDES) $(DEFINES) $< -o $@ + +$(OBJDIR)/%.o : $(SRCDIR)/cd_hw/%.c $(SRCDIR)/cd_hw/%.h + $(CC) -c $(CFLAGS) $(INCLUDES) $(DEFINES) $< -o $@ + +$(OBJDIR)/%.o : $(SRCDIR)/z80/%.c $(SRCDIR)/z80/%.h + $(CC) -c $(CFLAGS) $(INCLUDES) $(DEFINES) $< -o $@ + +$(OBJDIR)/%.o : $(SRCDIR)/m68k/%.c + $(CC) -c $(CFLAGS) $(INCLUDES) $(DEFINES) $< -o $@ + +$(OBJDIR)/%.o : $(SRCDIR)/ntsc/%.c $(SRCDIR)/ntsc/%.h + $(CC) -c $(CFLAGS) $(INCLUDES) $(DEFINES) $< -o $@ + +$(OBJDIR)/%.o : $(SRCDIR)/tremor/%.c $(SRCDIR)/tremor/%.h + $(CC) -c $(CFLAGS) $(INCLUDES) $(DEFINES) $< -o $@ + +$(OBJDIR)/%.o : $(SRCDIR)/tremor/%.c + $(CC) -c $(CFLAGS) $(INCLUDES) $(DEFINES) $< -o $@ + +$(OBJDIR)/%.o : $(SRCDIR)/../sdl/%.c $(SRCDIR)/../sdl/%.h + $(CC) -c $(CFLAGS) $(INCLUDES) $(DEFINES) $< -o $@ + +$(OBJDIR)/%.o : $(SRCDIR)/../sdl/sdl2/%.c $(SRCDIR)/../sdl/sdl2/%.h + $(CC) -c $(CFLAGS) $(INCLUDES) $(DEFINES) $< -o $@ + +ifeq ($(OS),Windows_NT) +$(OBJDIR)/icon.o : + windres $(SRCDIR)/../sdl/icon.rc $@ +endif + +pack : + strip $(NAME) + upx -9 $(NAME) + +clean: + rm -f $(OBJECTS) $(NAME) diff --git a/sdl/README.txt b/sdl/README.txt index 500adec..b3bd6f5 100644 --- a/sdl/README.txt +++ b/sdl/README.txt @@ -9,7 +9,7 @@ PLEASE DO NOT DISTRIBUTE WIN32 BINARIES WITHOUT THIS NOTICE. END USERS SHOULD PREFERABLY USE LIBRETRO PORT WITH RETROARCH. ---------------------------------------------------------------------------- - Genesis Plus (Windows Port) + Genesis Plus (SDL Port) ---------------------------------------------------------------------------- based on the original version 1.3 diff --git a/sdl/main.c b/sdl/sdl1/main.c similarity index 94% rename from sdl/main.c rename to sdl/sdl1/main.c index ee1ffe2..6831229 100644 --- a/sdl/main.c +++ b/sdl/sdl1/main.c @@ -14,7 +14,7 @@ #define SOUND_FREQUENCY 48000 #define SOUND_SAMPLES_SIZE 2048 -#define VIDEO_WIDTH 320 +#define VIDEO_WIDTH 320 #define VIDEO_HEIGHT 240 int joynum = 0; @@ -67,7 +67,7 @@ static int sdl_sound_init() { int n; SDL_AudioSpec as_desired, as_obtained; - + if(SDL_Init(SDL_INIT_AUDIO) < 0) { MessageBox(NULL, "SDL Audio initialization failed", "Error", 0); return 0; @@ -104,7 +104,7 @@ static int sdl_sound_init() static void sdl_sound_update(int enabled) { int size = audio_update(soundframe) * 2; - + if (enabled) { int i; @@ -126,7 +126,7 @@ static void sdl_sound_close() { SDL_PauseAudio(1); SDL_CloseAudio(); - if (sdl_sound.buffer) + if (sdl_sound.buffer) free(sdl_sound.buffer); } @@ -196,7 +196,7 @@ static void sdl_video_update() sdl_video.drect.h = sdl_video.srect.h; sdl_video.drect.x = (VIDEO_WIDTH - sdl_video.drect.w) / 2; sdl_video.drect.y = (VIDEO_HEIGHT - sdl_video.drect.h) / 2; - + /* clear destination surface */ SDL_FillRect(sdl_video.surf_screen, 0, 0); @@ -304,7 +304,7 @@ static void sdl_sync_close() SDL_DestroySemaphore(sdl_sync.sem_sync); } -static const uint16 vc_table[4][2] = +static const uint16 vc_table[4][2] = { /* NTSC, PAL */ {0xDA , 0xF2}, /* Mode 4 (192 lines) */ @@ -332,8 +332,7 @@ static int sdl_control_update(SDLKey keystate) case SDLK_F2: { - if (fullscreen) fullscreen = 0; - else fullscreen = SDL_FULLSCREEN; + fullscreen = (fullscreen ? 0 : SDL_FULLSCREEN); sdl_video.surf_screen = SDL_SetVideoMode(VIDEO_WIDTH, VIDEO_HEIGHT, 16, SDL_SWSURFACE | fullscreen); break; } @@ -497,7 +496,7 @@ int sdl_input_update(void) /* reset input */ input.pad[joynum] = 0; - + switch (input.dev[joynum]) { case DEVICE_LIGHTGUN: @@ -515,7 +514,7 @@ int sdl_input_update(void) /* TRIGGER, B, C (Menacer only), START (Menacer & Justifier only) */ if(state & SDL_BUTTON_LMASK) input.pad[joynum] |= INPUT_A; if(state & SDL_BUTTON_RMASK) input.pad[joynum] |= INPUT_B; - if(state & SDL_BUTTON_MMASK) input.pad[joynum] |= INPUT_C; + if(state & SDL_BUTTON_MMASK) input.pad[joynum] |= INPUT_C; if(keystate[SDLK_f]) input.pad[joynum] |= INPUT_START; break; } @@ -586,7 +585,7 @@ int sdl_input_update(void) if(keystate[SDLK_x]) input.pad[joynum] |= INPUT_X; if(keystate[SDLK_c]) input.pad[joynum] |= INPUT_MODE; if(keystate[SDLK_v]) input.pad[joynum] |= INPUT_Z; - + /* Left Analog Stick (bidirectional) */ if(keystate[SDLK_UP]) input.analog[joynum][1]-=2; else if(keystate[SDLK_DOWN]) input.analog[joynum][1]+=2; @@ -624,7 +623,7 @@ int sdl_input_update(void) /* Calculate X Y axis values */ input.analog[0][0] = 0x3c + (x * (0x17c-0x03c+1)) / VIDEO_WIDTH; input.analog[0][1] = 0x1fc + (y * (0x2f7-0x1fc+1)) / VIDEO_HEIGHT; - + /* Map mouse buttons to player #1 inputs */ if(state & SDL_BUTTON_MMASK) pico_current = (pico_current + 1) & 7; if(state & SDL_BUTTON_RMASK) input.pad[0] |= INPUT_PICO_RED; @@ -642,7 +641,7 @@ int sdl_input_update(void) /* Calculate X Y axis values */ input.analog[0][0] = (x * 250) / VIDEO_WIDTH; input.analog[0][1] = (y * 250) / VIDEO_HEIGHT; - + /* Map mouse buttons to player #1 inputs */ if(state & SDL_BUTTON_RMASK) input.pad[0] |= INPUT_B; @@ -658,7 +657,7 @@ int sdl_input_update(void) /* Calculate X Y axis values */ input.analog[0][0] = (x * 255) / VIDEO_WIDTH; input.analog[0][1] = (y * 255) / VIDEO_HEIGHT; - + /* Map mouse buttons to player #1 inputs */ if(state & SDL_BUTTON_LMASK) input.pad[0] |= INPUT_GRAPHIC_PEN; if(state & SDL_BUTTON_RMASK) input.pad[0] |= INPUT_GRAPHIC_MENU; @@ -711,7 +710,7 @@ int main (int argc, char **argv) char caption[256]; sprintf(caption, "Genesis Plus GX\\SDL\nusage: %s gamename\n", argv[0]); MessageBox(NULL, caption, "Information", 0); - exit(1); + return 1; } /* set default config */ @@ -751,10 +750,8 @@ int main (int argc, char **argv) /* initialize SDL */ if(SDL_Init(0) < 0) { - char caption[256]; - sprintf(caption, "SDL initialization failed"); - MessageBox(NULL, caption, "Error", 0); - exit(1); + MessageBox(NULL, "SDL initialization failed", "Error", 0); + return 1; } sdl_video_init(); if (use_sound) sdl_sound_init(); @@ -784,7 +781,7 @@ int main (int argc, char **argv) char caption[256]; sprintf(caption, "Error loading file `%s'.", argv[1]); MessageBox(NULL, caption, "Error", 0); - exit(1); + return 1; } /* initialize system hardware */ @@ -866,13 +863,13 @@ int main (int argc, char **argv) while(running) { SDL_Event event; - if (SDL_PollEvent(&event)) + if (SDL_PollEvent(&event)) { - switch(event.type) + switch(event.type) { case SDL_USEREVENT: { - char caption[100]; + char caption[100]; sprintf(caption,"Genesis Plus GX - %d fps - %s", event.user.code, (rominfo.international[0] != 0x20) ? rominfo.international : rominfo.domestic); SDL_WM_SetCaption(caption, NULL); break; diff --git a/sdl/main.h b/sdl/sdl1/main.h similarity index 100% rename from sdl/main.h rename to sdl/sdl1/main.h diff --git a/sdl/sdl2/main.c b/sdl/sdl2/main.c new file mode 100644 index 0000000..7224276 --- /dev/null +++ b/sdl/sdl2/main.c @@ -0,0 +1,945 @@ +#include "SDL.h" +#include "SDL_thread.h" + +#include "shared.h" +#include "sms_ntsc.h" +#include "md_ntsc.h" + +#define SOUND_FREQUENCY 48000 +#define SOUND_SAMPLES_SIZE 2048 + +#define VIDEO_WIDTH 320 +#define VIDEO_HEIGHT 240 + +int joynum = 0; + +int log_error = 0; +int debug_on = 0; +int turbo_mode = 0; +int use_sound = 1; +int fullscreen = 0; /* SDL_WINDOW_FULLSCREEN */ + +struct { + SDL_Window* window; + SDL_Surface* surf_screen; + SDL_Surface* surf_bitmap; + SDL_Rect srect; + SDL_Rect drect; + Uint32 frames_rendered; +} sdl_video; + +/* sound */ + +struct { + char* current_pos; + char* buffer; + int current_emulated_samples; +} sdl_sound; + + +static uint8 brm_format[0x40] = +{ + 0x5f,0x5f,0x5f,0x5f,0x5f,0x5f,0x5f,0x5f,0x5f,0x5f,0x5f,0x00,0x00,0x00,0x00,0x40, + 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + 0x53,0x45,0x47,0x41,0x5f,0x43,0x44,0x5f,0x52,0x4f,0x4d,0x00,0x01,0x00,0x00,0x00, + 0x52,0x41,0x4d,0x5f,0x43,0x41,0x52,0x54,0x52,0x49,0x44,0x47,0x45,0x5f,0x5f,0x5f +}; + + +static short soundframe[SOUND_SAMPLES_SIZE]; + +static void sdl_sound_callback(void *userdata, Uint8 *stream, int len) +{ + if(sdl_sound.current_emulated_samples < len) { + memset(stream, 0, len); + } + else { + memcpy(stream, sdl_sound.buffer, len); + /* loop to compensate desync */ + do { + sdl_sound.current_emulated_samples -= len; + } while(sdl_sound.current_emulated_samples > 2 * len); + memcpy(sdl_sound.buffer, + sdl_sound.current_pos - sdl_sound.current_emulated_samples, + sdl_sound.current_emulated_samples); + sdl_sound.current_pos = sdl_sound.buffer + sdl_sound.current_emulated_samples; + } +} + +static int sdl_sound_init() +{ + int n; + SDL_AudioSpec as_desired, as_obtained; + + if(SDL_InitSubSystem(SDL_INIT_AUDIO) < 0) { + SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error", "SDL Audio initialization failed", sdl_video.window); + return 0; + } + + as_desired.freq = SOUND_FREQUENCY; + as_desired.format = AUDIO_S16LSB; + as_desired.channels = 2; + as_desired.samples = SOUND_SAMPLES_SIZE; + as_desired.callback = sdl_sound_callback; + + if(SDL_OpenAudio(&as_desired, &as_obtained) == -1) { + SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error", "SDL Audio open failed", sdl_video.window); + return 0; + } + + if(as_desired.samples != as_obtained.samples) { + SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error", "SDL Audio wrong setup", sdl_video.window); + return 0; + } + + sdl_sound.current_emulated_samples = 0; + n = SOUND_SAMPLES_SIZE * 2 * sizeof(short) * 20; + sdl_sound.buffer = (char*)malloc(n); + if(!sdl_sound.buffer) { + SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error", "Can't allocate audio buffer", sdl_video.window); + return 0; + } + memset(sdl_sound.buffer, 0, n); + sdl_sound.current_pos = sdl_sound.buffer; + return 1; +} + +static void sdl_sound_update(int enabled) +{ + int size = audio_update(soundframe) * 2; + + if (enabled) + { + int i; + short *out; + + SDL_LockAudio(); + out = (short*)sdl_sound.current_pos; + for(i = 0; i < size; i++) + { + *out++ = soundframe[i]; + } + sdl_sound.current_pos = (char*)out; + sdl_sound.current_emulated_samples += size * sizeof(short); + SDL_UnlockAudio(); + } +} + +static void sdl_sound_close() +{ + SDL_PauseAudio(1); + SDL_CloseAudio(); + if (sdl_sound.buffer) + free(sdl_sound.buffer); +} + +/* video */ +md_ntsc_t *md_ntsc; +sms_ntsc_t *sms_ntsc; + +static int sdl_video_init() +{ + if(SDL_InitSubSystem(SDL_INIT_VIDEO) < 0) { + SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error", "SDL Video initialization failed", sdl_video.window); + return 0; + } + sdl_video.window = SDL_CreateWindow("Genesis Plus GX", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, VIDEO_WIDTH, VIDEO_HEIGHT, 0); + sdl_video.surf_screen = SDL_GetWindowSurface(sdl_video.window); + sdl_video.surf_bitmap = SDL_CreateRGBSurface(SDL_SWSURFACE, 720, 576, 16, 0, 0, 0, 0); + sdl_video.frames_rendered = 0; + SDL_ShowCursor(0); + return 1; +} + +static void sdl_video_update() +{ + if (system_hw == SYSTEM_MCD) + { + system_frame_scd(0); + } + else if ((system_hw & SYSTEM_PBC) == SYSTEM_MD) + { + system_frame_gen(0); + } + else + { + system_frame_sms(0); + } + + /* viewport size changed */ + if(bitmap.viewport.changed & 1) + { + bitmap.viewport.changed &= ~1; + + /* source bitmap */ + sdl_video.srect.w = bitmap.viewport.w+2*bitmap.viewport.x; + sdl_video.srect.h = bitmap.viewport.h+2*bitmap.viewport.y; + sdl_video.srect.x = 0; + sdl_video.srect.y = 0; + if (sdl_video.srect.w > VIDEO_WIDTH) + { + sdl_video.srect.x = (sdl_video.srect.w - VIDEO_WIDTH) / 2; + sdl_video.srect.w = VIDEO_WIDTH; + } + if (sdl_video.srect.h > VIDEO_HEIGHT) + { + sdl_video.srect.y = (sdl_video.srect.h - VIDEO_HEIGHT) / 2; + sdl_video.srect.h = VIDEO_HEIGHT; + } + + /* destination bitmap */ + sdl_video.drect.w = sdl_video.srect.w; + sdl_video.drect.h = sdl_video.srect.h; + sdl_video.drect.x = (VIDEO_WIDTH - sdl_video.drect.w) / 2; + sdl_video.drect.y = (VIDEO_HEIGHT - sdl_video.drect.h) / 2; + + /* clear destination surface */ + SDL_FillRect(sdl_video.surf_screen, 0, 0); + +#if 0 + if (config.render && (interlaced || config.ntsc)) rect.h *= 2; + if (config.ntsc) rect.w = (reg[12]&1) ? MD_NTSC_OUT_WIDTH(rect.w) : SMS_NTSC_OUT_WIDTH(rect.w); + if (config.ntsc) + { + sms_ntsc = (sms_ntsc_t *)malloc(sizeof(sms_ntsc_t)); + md_ntsc = (md_ntsc_t *)malloc(sizeof(md_ntsc_t)); + + switch (config.ntsc) + { + case 1: + sms_ntsc_init(sms_ntsc, &sms_ntsc_composite); + md_ntsc_init(md_ntsc, &md_ntsc_composite); + break; + case 2: + sms_ntsc_init(sms_ntsc, &sms_ntsc_svideo); + md_ntsc_init(md_ntsc, &md_ntsc_svideo); + break; + case 3: + sms_ntsc_init(sms_ntsc, &sms_ntsc_rgb); + md_ntsc_init(md_ntsc, &md_ntsc_rgb); + break; + } + } + else + { + if (sms_ntsc) + { + free(sms_ntsc); + sms_ntsc = NULL; + } + + if (md_ntsc) + { + free(md_ntsc); + md_ntsc = NULL; + } + } +#endif + } + + SDL_BlitSurface(sdl_video.surf_bitmap, &sdl_video.srect, sdl_video.surf_screen, &sdl_video.drect); + SDL_UpdateWindowSurface(sdl_video.window); + + ++sdl_video.frames_rendered; +} + +static void sdl_video_close() +{ + if (sdl_video.surf_bitmap) + SDL_FreeSurface(sdl_video.surf_bitmap); + if (sdl_video.surf_screen) + SDL_FreeSurface(sdl_video.surf_screen); +} + +/* Timer Sync */ + +struct { + SDL_sem* sem_sync; + unsigned ticks; +} sdl_sync; + +static Uint32 sdl_sync_timer_callback(Uint32 interval, void *param) +{ + SDL_SemPost(sdl_sync.sem_sync); + sdl_sync.ticks++; + if (sdl_sync.ticks == (vdp_pal ? 50 : 20)) + { + SDL_Event event; + SDL_UserEvent userevent; + + userevent.type = SDL_USEREVENT; + userevent.code = vdp_pal ? (sdl_video.frames_rendered / 3) : sdl_video.frames_rendered; + userevent.data1 = NULL; + userevent.data2 = NULL; + sdl_sync.ticks = sdl_video.frames_rendered = 0; + + event.type = SDL_USEREVENT; + event.user = userevent; + + SDL_PushEvent(&event); + } + return interval; +} + +static int sdl_sync_init() +{ + if(SDL_InitSubSystem(SDL_INIT_TIMER|SDL_INIT_EVENTS) < 0) + { + SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error", "SDL Timer initialization failed", sdl_video.window); + return 0; + } + + sdl_sync.sem_sync = SDL_CreateSemaphore(0); + sdl_sync.ticks = 0; + return 1; +} + +static void sdl_sync_close() +{ + if(sdl_sync.sem_sync) + SDL_DestroySemaphore(sdl_sync.sem_sync); +} + +static const uint16 vc_table[4][2] = +{ + /* NTSC, PAL */ + {0xDA , 0xF2}, /* Mode 4 (192 lines) */ + {0xEA , 0x102}, /* Mode 5 (224 lines) */ + {0xDA , 0xF2}, /* Mode 4 (192 lines) */ + {0x106, 0x10A} /* Mode 5 (240 lines) */ +}; + +static int sdl_control_update(SDL_Keycode keystate) +{ + switch (keystate) + { + case SDLK_TAB: + { + system_reset(); + break; + } + + case SDLK_F1: + { + if (SDL_ShowCursor(-1)) SDL_ShowCursor(0); + else SDL_ShowCursor(1); + break; + } + + case SDLK_F2: + { + fullscreen = (fullscreen ? 0 : SDL_WINDOW_FULLSCREEN); + SDL_SetWindowFullscreen(sdl_video.window, fullscreen); + break; + } + + case SDLK_F3: + { + if (config.bios == 0) config.bios = 3; + else if (config.bios == 3) config.bios = 1; + break; + } + + case SDLK_F4: + { + if (!turbo_mode) use_sound ^= 1; + break; + } + + case SDLK_F5: + { + log_error ^= 1; + break; + } + + case SDLK_F6: + { + if (!use_sound) + { + turbo_mode ^=1; + sdl_sync.ticks = 0; + } + break; + } + + case SDLK_F7: + { + FILE *f = fopen("game.gp0","rb"); + if (f) + { + uint8 buf[STATE_SIZE]; + fread(&buf, STATE_SIZE, 1, f); + state_load(buf); + fclose(f); + } + break; + } + + case SDLK_F8: + { + FILE *f = fopen("game.gp0","wb"); + if (f) + { + uint8 buf[STATE_SIZE]; + int len = state_save(buf); + fwrite(&buf, len, 1, f); + fclose(f); + } + break; + } + + case SDLK_F9: + { + config.region_detect = (config.region_detect + 1) % 5; + get_region(0); + + /* framerate has changed, reinitialize audio timings */ + audio_init(snd.sample_rate, 0); + + /* system with region BIOS should be reinitialized */ + if ((system_hw == SYSTEM_MCD) || ((system_hw & SYSTEM_SMS) && (config.bios & 1))) + { + system_init(); + system_reset(); + } + else + { + /* reinitialize I/O region register */ + if (system_hw == SYSTEM_MD) + { + io_reg[0x00] = 0x20 | region_code | (config.bios & 1); + } + else + { + io_reg[0x00] = 0x80 | (region_code >> 1); + } + + /* reinitialize VDP */ + if (vdp_pal) + { + status |= 1; + lines_per_frame = 313; + } + else + { + status &= ~1; + lines_per_frame = 262; + } + + /* reinitialize VC max value */ + switch (bitmap.viewport.h) + { + case 192: + vc_max = vc_table[0][vdp_pal]; + break; + case 224: + vc_max = vc_table[1][vdp_pal]; + break; + case 240: + vc_max = vc_table[3][vdp_pal]; + break; + } + } + break; + } + + case SDLK_F10: + { + gen_reset(0); + break; + } + + case SDLK_F11: + { + config.overscan = (config.overscan + 1) & 3; + if ((system_hw == SYSTEM_GG) && !config.gg_extra) + { + bitmap.viewport.x = (config.overscan & 2) ? 14 : -48; + } + else + { + bitmap.viewport.x = (config.overscan & 2) * 7; + } + bitmap.viewport.changed = 3; + break; + } + + case SDLK_F12: + { + joynum = (joynum + 1) % MAX_DEVICES; + while (input.dev[joynum] == NO_DEVICE) + { + joynum = (joynum + 1) % MAX_DEVICES; + } + break; + } + + case SDLK_ESCAPE: + { + return 0; + } + + default: + break; + } + + return 1; +} + +int sdl_input_update(void) +{ + const uint8 *keystate = SDL_GetKeyboardState(NULL); + + /* reset input */ + input.pad[joynum] = 0; + + switch (input.dev[joynum]) + { + case DEVICE_LIGHTGUN: + { + /* get mouse coordinates (absolute values) */ + int x,y; + int state = SDL_GetMouseState(&x,&y); + + /* X axis */ + input.analog[joynum][0] = x - (VIDEO_WIDTH-bitmap.viewport.w)/2; + + /* Y axis */ + input.analog[joynum][1] = y - (VIDEO_HEIGHT-bitmap.viewport.h)/2; + + /* TRIGGER, B, C (Menacer only), START (Menacer & Justifier only) */ + if(state & SDL_BUTTON_LMASK) input.pad[joynum] |= INPUT_A; + if(state & SDL_BUTTON_RMASK) input.pad[joynum] |= INPUT_B; + if(state & SDL_BUTTON_MMASK) input.pad[joynum] |= INPUT_C; + if(keystate[SDL_SCANCODE_F]) input.pad[joynum] |= INPUT_START; + break; + } + + case DEVICE_PADDLE: + { + /* get mouse (absolute values) */ + int x; + int state = SDL_GetMouseState(&x, NULL); + + /* Range is [0;256], 128 being middle position */ + input.analog[joynum][0] = x * 256 /VIDEO_WIDTH; + + /* Button I -> 0 0 0 0 0 0 0 I*/ + if(state & SDL_BUTTON_LMASK) input.pad[joynum] |= INPUT_B; + + break; + } + + case DEVICE_SPORTSPAD: + { + /* get mouse (relative values) */ + int x,y; + int state = SDL_GetRelativeMouseState(&x,&y); + + /* Range is [0;256] */ + input.analog[joynum][0] = (unsigned char)(-x & 0xFF); + input.analog[joynum][1] = (unsigned char)(-y & 0xFF); + + /* Buttons I & II -> 0 0 0 0 0 0 II I*/ + if(state & SDL_BUTTON_LMASK) input.pad[joynum] |= INPUT_B; + if(state & SDL_BUTTON_RMASK) input.pad[joynum] |= INPUT_C; + + break; + } + + case DEVICE_MOUSE: + { + /* get mouse (relative values) */ + int x,y; + int state = SDL_GetRelativeMouseState(&x,&y); + + /* Sega Mouse range is [-256;+256] */ + input.analog[joynum][0] = x * 2; + input.analog[joynum][1] = y * 2; + + /* Vertical movement is upsidedown */ + if (!config.invert_mouse) + input.analog[joynum][1] = 0 - input.analog[joynum][1]; + + /* Start,Left,Right,Middle buttons -> 0 0 0 0 START MIDDLE RIGHT LEFT */ + if(state & SDL_BUTTON_LMASK) input.pad[joynum] |= INPUT_B; + if(state & SDL_BUTTON_RMASK) input.pad[joynum] |= INPUT_C; + if(state & SDL_BUTTON_MMASK) input.pad[joynum] |= INPUT_A; + if(keystate[SDL_SCANCODE_F]) input.pad[joynum] |= INPUT_START; + + break; + } + + case DEVICE_XE_1AP: + { + /* A,B,C,D,Select,START,E1,E2 buttons -> E1(?) E2(?) START SELECT(?) A B C D */ + if(keystate[SDL_SCANCODE_A]) input.pad[joynum] |= INPUT_START; + if(keystate[SDL_SCANCODE_S]) input.pad[joynum] |= INPUT_A; + if(keystate[SDL_SCANCODE_D]) input.pad[joynum] |= INPUT_C; + if(keystate[SDL_SCANCODE_F]) input.pad[joynum] |= INPUT_Y; + if(keystate[SDL_SCANCODE_Z]) input.pad[joynum] |= INPUT_B; + if(keystate[SDL_SCANCODE_X]) input.pad[joynum] |= INPUT_X; + if(keystate[SDL_SCANCODE_C]) input.pad[joynum] |= INPUT_MODE; + if(keystate[SDL_SCANCODE_V]) input.pad[joynum] |= INPUT_Z; + + /* Left Analog Stick (bidirectional) */ + if(keystate[SDL_SCANCODE_UP]) input.analog[joynum][1]-=2; + else if(keystate[SDL_SCANCODE_DOWN]) input.analog[joynum][1]+=2; + else input.analog[joynum][1] = 128; + if(keystate[SDL_SCANCODE_LEFT]) input.analog[joynum][0]-=2; + else if(keystate[SDL_SCANCODE_RIGHT]) input.analog[joynum][0]+=2; + else input.analog[joynum][0] = 128; + + /* Right Analog Stick (unidirectional) */ + if(keystate[SDL_SCANCODE_KP_8]) input.analog[joynum+1][0]-=2; + else if(keystate[SDL_SCANCODE_KP_2]) input.analog[joynum+1][0]+=2; + else if(keystate[SDL_SCANCODE_KP_4]) input.analog[joynum+1][0]-=2; + else if(keystate[SDL_SCANCODE_KP_6]) input.analog[joynum+1][0]+=2; + else input.analog[joynum+1][0] = 128; + + /* Limiters */ + if (input.analog[joynum][0] > 0xFF) input.analog[joynum][0] = 0xFF; + else if (input.analog[joynum][0] < 0) input.analog[joynum][0] = 0; + if (input.analog[joynum][1] > 0xFF) input.analog[joynum][1] = 0xFF; + else if (input.analog[joynum][1] < 0) input.analog[joynum][1] = 0; + if (input.analog[joynum+1][0] > 0xFF) input.analog[joynum+1][0] = 0xFF; + else if (input.analog[joynum+1][0] < 0) input.analog[joynum+1][0] = 0; + if (input.analog[joynum+1][1] > 0xFF) input.analog[joynum+1][1] = 0xFF; + else if (input.analog[joynum+1][1] < 0) input.analog[joynum+1][1] = 0; + + break; + } + + case DEVICE_PICO: + { + /* get mouse (absolute values) */ + int x,y; + int state = SDL_GetMouseState(&x,&y); + + /* Calculate X Y axis values */ + input.analog[0][0] = 0x3c + (x * (0x17c-0x03c+1)) / VIDEO_WIDTH; + input.analog[0][1] = 0x1fc + (y * (0x2f7-0x1fc+1)) / VIDEO_HEIGHT; + + /* Map mouse buttons to player #1 inputs */ + if(state & SDL_BUTTON_MMASK) pico_current = (pico_current + 1) & 7; + if(state & SDL_BUTTON_RMASK) input.pad[0] |= INPUT_PICO_RED; + if(state & SDL_BUTTON_LMASK) input.pad[0] |= INPUT_PICO_PEN; + + break; + } + + case DEVICE_TEREBI: + { + /* get mouse (absolute values) */ + int x,y; + int state = SDL_GetMouseState(&x,&y); + + /* Calculate X Y axis values */ + input.analog[0][0] = (x * 250) / VIDEO_WIDTH; + input.analog[0][1] = (y * 250) / VIDEO_HEIGHT; + + /* Map mouse buttons to player #1 inputs */ + if(state & SDL_BUTTON_RMASK) input.pad[0] |= INPUT_B; + + break; + } + + case DEVICE_GRAPHIC_BOARD: + { + /* get mouse (absolute values) */ + int x,y; + int state = SDL_GetMouseState(&x,&y); + + /* Calculate X Y axis values */ + input.analog[0][0] = (x * 255) / VIDEO_WIDTH; + input.analog[0][1] = (y * 255) / VIDEO_HEIGHT; + + /* Map mouse buttons to player #1 inputs */ + if(state & SDL_BUTTON_LMASK) input.pad[0] |= INPUT_GRAPHIC_PEN; + if(state & SDL_BUTTON_RMASK) input.pad[0] |= INPUT_GRAPHIC_MENU; + if(state & SDL_BUTTON_MMASK) input.pad[0] |= INPUT_GRAPHIC_DO; + + break; + } + + case DEVICE_ACTIVATOR: + { + if(keystate[SDL_SCANCODE_G]) input.pad[joynum] |= INPUT_ACTIVATOR_7L; + if(keystate[SDL_SCANCODE_H]) input.pad[joynum] |= INPUT_ACTIVATOR_7U; + if(keystate[SDL_SCANCODE_J]) input.pad[joynum] |= INPUT_ACTIVATOR_8L; + if(keystate[SDL_SCANCODE_K]) input.pad[joynum] |= INPUT_ACTIVATOR_8U; + } + + default: + { + if(keystate[SDL_SCANCODE_A]) input.pad[joynum] |= INPUT_A; + if(keystate[SDL_SCANCODE_S]) input.pad[joynum] |= INPUT_B; + if(keystate[SDL_SCANCODE_D]) input.pad[joynum] |= INPUT_C; + if(keystate[SDL_SCANCODE_F]) input.pad[joynum] |= INPUT_START; + if(keystate[SDL_SCANCODE_Z]) input.pad[joynum] |= INPUT_X; + if(keystate[SDL_SCANCODE_X]) input.pad[joynum] |= INPUT_Y; + if(keystate[SDL_SCANCODE_C]) input.pad[joynum] |= INPUT_Z; + if(keystate[SDL_SCANCODE_V]) input.pad[joynum] |= INPUT_MODE; + + if(keystate[SDL_SCANCODE_UP]) input.pad[joynum] |= INPUT_UP; + else + if(keystate[SDL_SCANCODE_DOWN]) input.pad[joynum] |= INPUT_DOWN; + if(keystate[SDL_SCANCODE_LEFT]) input.pad[joynum] |= INPUT_LEFT; + else + if(keystate[SDL_SCANCODE_RIGHT]) input.pad[joynum] |= INPUT_RIGHT; + + break; + } + } + return 1; +} + + +int main (int argc, char **argv) +{ + FILE *fp; + int running = 1; + + /* Print help if no game specified */ + if(argc < 2) + { + char caption[256]; + sprintf(caption, "Genesis Plus GX\\SDL\nusage: %s gamename\n", argv[0]); + SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_INFORMATION, "Information", caption, sdl_video.window); + return 1; + } + + /* set default config */ + error_init(); + set_config_defaults(); + + /* mark all BIOS as unloaded */ + system_bios = 0; + + /* Genesis BOOT ROM support (2KB max) */ + memset(boot_rom, 0xFF, 0x800); + fp = fopen(MD_BIOS, "rb"); + if (fp != NULL) + { + int i; + + /* read BOOT ROM */ + fread(boot_rom, 1, 0x800, fp); + fclose(fp); + + /* check BOOT ROM */ + if (!memcmp((char *)(boot_rom + 0x120),"GENESIS OS", 10)) + { + /* mark Genesis BIOS as loaded */ + system_bios = SYSTEM_MD; + } + + /* Byteswap ROM */ + for (i=0; i<0x800; i+=2) + { + uint8 temp = boot_rom[i]; + boot_rom[i] = boot_rom[i+1]; + boot_rom[i+1] = temp; + } + } + + /* initialize SDL */ + if(SDL_Init(0) < 0) + { + SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error", "SDL initialization failed", sdl_video.window); + return 1; + } + sdl_video_init(); + if (use_sound) sdl_sound_init(); + sdl_sync_init(); + + /* initialize Genesis virtual system */ + SDL_LockSurface(sdl_video.surf_bitmap); + memset(&bitmap, 0, sizeof(t_bitmap)); + bitmap.width = 720; + bitmap.height = 576; +#if defined(USE_8BPP_RENDERING) + bitmap.pitch = (bitmap.width * 1); +#elif defined(USE_15BPP_RENDERING) + bitmap.pitch = (bitmap.width * 2); +#elif defined(USE_16BPP_RENDERING) + bitmap.pitch = (bitmap.width * 2); +#elif defined(USE_32BPP_RENDERING) + bitmap.pitch = (bitmap.width * 4); +#endif + bitmap.data = sdl_video.surf_bitmap->pixels; + SDL_UnlockSurface(sdl_video.surf_bitmap); + bitmap.viewport.changed = 3; + + /* Load game file */ + if(!load_rom(argv[1])) + { + char caption[256]; + sprintf(caption, "Error loading file `%s'.", argv[1]); + SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error", caption, sdl_video.window); + return 1; + } + + /* initialize system hardware */ + audio_init(SOUND_FREQUENCY, 0); + system_init(); + + /* Mega CD specific */ + if (system_hw == SYSTEM_MCD) + { + /* load internal backup RAM */ + fp = fopen("./scd.brm", "rb"); + if (fp!=NULL) + { + fread(scd.bram, 0x2000, 1, fp); + fclose(fp); + } + + /* check if internal backup RAM is formatted */ + if (memcmp(scd.bram + 0x2000 - 0x20, brm_format + 0x20, 0x20)) + { + /* clear internal backup RAM */ + memset(scd.bram, 0x00, 0x200); + + /* Internal Backup RAM size fields */ + brm_format[0x10] = brm_format[0x12] = brm_format[0x14] = brm_format[0x16] = 0x00; + brm_format[0x11] = brm_format[0x13] = brm_format[0x15] = brm_format[0x17] = (sizeof(scd.bram) / 64) - 3; + + /* format internal backup RAM */ + memcpy(scd.bram + 0x2000 - 0x40, brm_format, 0x40); + } + + /* load cartridge backup RAM */ + if (scd.cartridge.id) + { + fp = fopen("./cart.brm", "rb"); + if (fp!=NULL) + { + fread(scd.cartridge.area, scd.cartridge.mask + 1, 1, fp); + fclose(fp); + } + + /* check if cartridge backup RAM is formatted */ + if (memcmp(scd.cartridge.area + scd.cartridge.mask + 1 - 0x20, brm_format + 0x20, 0x20)) + { + /* clear cartridge backup RAM */ + memset(scd.cartridge.area, 0x00, scd.cartridge.mask + 1); + + /* Cartridge Backup RAM size fields */ + brm_format[0x10] = brm_format[0x12] = brm_format[0x14] = brm_format[0x16] = (((scd.cartridge.mask + 1) / 64) - 3) >> 8; + brm_format[0x11] = brm_format[0x13] = brm_format[0x15] = brm_format[0x17] = (((scd.cartridge.mask + 1) / 64) - 3) & 0xff; + + /* format cartridge backup RAM */ + memcpy(scd.cartridge.area + scd.cartridge.mask + 1 - sizeof(brm_format), brm_format, sizeof(brm_format)); + } + } + } + + if (sram.on) + { + /* load SRAM */ + fp = fopen("./game.srm", "rb"); + if (fp!=NULL) + { + fread(sram.sram,0x10000,1, fp); + fclose(fp); + } + } + + /* reset system hardware */ + system_reset(); + + if(use_sound) SDL_PauseAudio(0); + + /* 3 frames = 50 ms (60hz) or 60 ms (50hz) */ + if(sdl_sync.sem_sync) + SDL_AddTimer(vdp_pal ? 60 : 50, sdl_sync_timer_callback, NULL); + + /* emulation loop */ + while(running) + { + SDL_Event event; + if (SDL_PollEvent(&event)) + { + switch(event.type) + { + case SDL_USEREVENT: + { + char caption[100]; + sprintf(caption,"Genesis Plus GX - %d fps - %s", event.user.code, (rominfo.international[0] != 0x20) ? rominfo.international : rominfo.domestic); + SDL_SetWindowTitle(sdl_video.window, caption); + break; + } + + case SDL_QUIT: + { + running = 0; + break; + } + + case SDL_KEYDOWN: + { + running = sdl_control_update(event.key.keysym.sym); + break; + } + } + } + + sdl_video_update(); + sdl_sound_update(use_sound); + + if(!turbo_mode && sdl_sync.sem_sync && sdl_video.frames_rendered % 3 == 0) + { + SDL_SemWait(sdl_sync.sem_sync); + } + } + + if (system_hw == SYSTEM_MCD) + { + /* save internal backup RAM (if formatted) */ + if (!memcmp(scd.bram + 0x2000 - 0x20, brm_format + 0x20, 0x20)) + { + fp = fopen("./scd.brm", "wb"); + if (fp!=NULL) + { + fwrite(scd.bram, 0x2000, 1, fp); + fclose(fp); + } + } + + /* save cartridge backup RAM (if formatted) */ + if (scd.cartridge.id) + { + if (!memcmp(scd.cartridge.area + scd.cartridge.mask + 1 - 0x20, brm_format + 0x20, 0x20)) + { + fp = fopen("./cart.brm", "wb"); + if (fp!=NULL) + { + fwrite(scd.cartridge.area, scd.cartridge.mask + 1, 1, fp); + fclose(fp); + } + } + } + } + + if (sram.on) + { + /* save SRAM */ + fp = fopen("./game.srm", "wb"); + if (fp!=NULL) + { + fwrite(sram.sram,0x10000,1, fp); + fclose(fp); + } + } + + audio_shutdown(); + error_shutdown(); + + sdl_video_close(); + sdl_sound_close(); + sdl_sync_close(); + SDL_Quit(); + + return 0; +} diff --git a/sdl/sdl2/main.h b/sdl/sdl2/main.h new file mode 100644 index 0000000..dfa5d8d --- /dev/null +++ b/sdl/sdl2/main.h @@ -0,0 +1,11 @@ + +#ifndef _MAIN_H_ +#define _MAIN_H_ + +#define MAX_INPUTS 8 + +extern int debug_on; +extern int log_error; +extern int sdl_input_update(void); + +#endif /* _MAIN_H_ */