mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
synced 2024-12-28 12:11:50 +01:00
updated SDL/Win32 sourcecode
This commit is contained in:
ekeeke31
parent
18f9eaa16c
commit
ecb5f0617b
@ -8,7 +8,7 @@
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# LSB_FIRST : for little endian systems.
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# X86_ASM : enable x86 assembly optimizations
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NAME = ../gen_sdl.exe
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NAME = gen_sdl.exe
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CC = gcc
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CFLAGS = `sdl-config --cflags` -O6 -march=i686 -fomit-frame-pointer
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@ -37,13 +37,10 @@ OBJECTS += obj/sound.o \
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obj/sn76489.o \
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obj/ym2612.o
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OBJECTS += obj/blip.o \
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obj/Fir_Resampler.o
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OBJECTS += obj/Fir_Resampler.o \
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OBJECTS += obj/eq.o \
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OBJECTS += obj/filters.o \
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OBJECTS += obj/sram.o \
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obj/eeprom.o \
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obj/svp.o \
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@ -11,7 +11,7 @@ void set_config_defaults(void)
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/* sound options */
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config.psg_preamp = 150;
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config.fm_preamp = 100;
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config.hq_fm = 0;
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config.hq_fm = 1;
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config.psgBoostNoise = 0;
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config.filter = 1;
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config.low_freq = 200;
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@ -19,6 +19,7 @@ void set_config_defaults(void)
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config.lg = 1.0;
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config.mg = 1.0;
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config.hg = 1.0;
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config.lp_range = 50;
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/* system options */
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config.region_detect = 0;
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@ -26,7 +27,7 @@ void set_config_defaults(void)
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config.addr_error = 1;
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config.bios_enabled = 0;
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config.lock_on = 0;
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config.romtype = 0;
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config.romtype = 0;
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/* display options */
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config.overscan = 1;
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@ -20,6 +20,7 @@ typedef struct
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uint8 filter;
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uint16 low_freq;
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uint16 high_freq;
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uint8 lp_range;
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float lg;
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float mg;
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float hg;
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@ -39,6 +40,7 @@ typedef struct
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/* Global variables */
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extern t_config config;
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extern void set_config_defaults(void);
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#endif /* _CONFIG_H_ */
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@ -1,29 +1,25 @@
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#include <windows.h>
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#include <SDL.h>
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#include "SDL.h"
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#include "SDL_thread.h"
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#include "shared.h"
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#include "sms_ntsc.h"
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#include "md_ntsc.h"
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#define SOUND_FREQUENCY 48000
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#define SOUND_SAMPLES_SIZE 2048
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#define SOUND_SAMPLES_SIZE 2048
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#define VIDEO_WIDTH 640
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#define VIDEO_HEIGHT 480
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int timer_count = 0;
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int old_timer_count = 0;
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int paused = 0;
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int frame_count = 0;
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int frameticker = 0;
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int joynum = 0;
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int update_input(void);
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uint8 *keystate;
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uint8 buf[STATE_SIZE];
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uint8 log_error = 0;
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uint8 debug_on = 0;
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uint8 turbo_mode = 1;
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uint8 use_sound = 0;
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uint8 fullscreen = 0;
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int log_error = 0;
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int debug_on = 0;
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int turbo_mode = 0;
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int use_sound = 1;
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int fullscreen = 0; /* SDL_FULLSCREEN */
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/* sound */
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@ -57,23 +53,23 @@ static int sdl_sound_init()
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SDL_AudioSpec as_desired, as_obtained;
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if(SDL_Init(SDL_INIT_AUDIO) < 0) {
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printf("ERROR: %s.\n", SDL_GetError());
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MessageBox(NULL, "SDL Audio initialization failed", "Error", 0);
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return 0;
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}
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as_desired.freq = SOUND_FREQUENCY;
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as_desired.format = AUDIO_S16LSB;
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as_desired.freq = SOUND_FREQUENCY;
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as_desired.format = AUDIO_S16LSB;
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as_desired.channels = 2;
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as_desired.samples = SOUND_SAMPLES_SIZE;
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as_desired.samples = SOUND_SAMPLES_SIZE;
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as_desired.callback = sdl_sound_callback;
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if(SDL_OpenAudio(&as_desired, &as_obtained) == -1) {
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printf("ERROR: can't open audio: %s.\n", SDL_GetError());
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MessageBox(NULL, "SDL Audio open failed", "Error", 0);
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return 0;
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}
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if(as_desired.samples != as_obtained.samples) {
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printf("ERROR: soundcard driver does not accept specified samples size.\n");
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MessageBox(NULL, "SDL Audio wrong setup", "Error", 0);
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return 0;
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}
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@ -81,7 +77,7 @@ static int sdl_sound_init()
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n = SOUND_SAMPLES_SIZE * 2 * sizeof(short) * 11;
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sdl_sound.buffer = (char*)malloc(n);
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if(!sdl_sound.buffer) {
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printf("ERROR: can't allocate memory for sound.\n");
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MessageBox(NULL, "Can't allocate audio buffer", "Error", 0);
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return 0;
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}
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memset(sdl_sound.buffer, 0, n);
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@ -111,58 +107,360 @@ static void sdl_sound_close()
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{
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SDL_PauseAudio(1);
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SDL_CloseAudio();
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free(sdl_sound.buffer);
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}
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static SDL_Rect rect;
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static SDL_Surface* screen;
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static SDL_Surface* surface;
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static unsigned char* output_pixels; /* 16-bit RGB */
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static long output_pitch;
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Uint32 fps_callback(Uint32 interval)
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{
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if(paused) return 1000/vdp_rate;
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timer_count++;
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frameticker ++;
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if(timer_count % vdp_rate == 0)
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{
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int fps = frame_count + 1;
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char caption[100];
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char region[10];
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if (region_code == REGION_USA) sprintf(region,"USA");
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else if (region_code == REGION_EUROPE) sprintf(region,"EUR");
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else sprintf(region,"JAP");
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sprintf(caption, "Genesis Plus/SDL - %s (%s) - %d fps - 0x%04X", rominfo.international, region, fps, realchecksum);
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SDL_WM_SetCaption(caption, NULL);
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frame_count = 0;
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}
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return 1000/vdp_rate;
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}
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void display_output( void )
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{
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SDL_Rect dest;
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dest.w=rect.w;
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dest.h=rect.h;
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dest.x=(640-rect.w)/2;
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dest.y=(480-rect.h)/2;
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if ( SDL_BlitSurface( surface, &rect, screen, &dest ) < 0 || SDL_Flip( screen ) < 0 )
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MessageBox(NULL, "SDL blit failed", "Error", 0);
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if (sdl_sound.buffer)
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free(sdl_sound.buffer);
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}
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/* video */
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md_ntsc_t md_ntsc;
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sms_ntsc_t sms_ntsc;
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struct {
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SDL_Surface* surf_screen;
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SDL_Surface* surf_bitmap;
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Uint32 frames_rendered;
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} sdl_video;
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static int sdl_video_init()
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{
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if(SDL_InitSubSystem(SDL_INIT_VIDEO) < 0) {
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MessageBox(NULL, "SDL Video initialization failed", "Error", 0);
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return 0;
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}
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sdl_video.surf_screen = SDL_SetVideoMode(VIDEO_WIDTH, VIDEO_HEIGHT, 16, SDL_SWSURFACE | fullscreen);
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sdl_video.surf_bitmap = SDL_CreateRGBSurface(SDL_SWSURFACE, 720, 576, 16, 0, 0, 0, 0);
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sdl_video.frames_rendered = 0;
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SDL_WM_SetCaption("Genesis Plus/SDL", NULL);
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SDL_ShowCursor(0);
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return 1;
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}
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static void sdl_video_update()
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{
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SDL_Rect rect;
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system_frame(0);
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/* viewport size changed */
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if(bitmap.viewport.changed)
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{
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bitmap.viewport.changed = 0;
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rect.w = bitmap.viewport.w+2*bitmap.viewport.x;
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rect.h = bitmap.viewport.h+2*bitmap.viewport.y;
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if (config.render && (interlaced || config.ntsc)) rect.h *= 2;
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if (config.ntsc) rect.w = (reg[12]&1) ? MD_NTSC_OUT_WIDTH(rect.w) : SMS_NTSC_OUT_WIDTH(rect.w);
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rect.x=(VIDEO_WIDTH-rect.w)/2;
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rect.y=(VIDEO_HEIGHT-rect.h)/2;
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/* init NTSC filter */
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md_ntsc_setup_t md_setup;
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sms_ntsc_setup_t sms_setup;
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if (config.ntsc == 1)
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{
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sms_setup = sms_ntsc_composite;
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md_setup = md_ntsc_composite;
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sms_ntsc_init( &sms_ntsc, &sms_setup );
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md_ntsc_init( &md_ntsc, &md_setup );
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}
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else if (config.ntsc == 2)
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{
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sms_setup = sms_ntsc_svideo;
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md_setup = md_ntsc_svideo;
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sms_ntsc_init( &sms_ntsc, &sms_setup );
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md_ntsc_init( &md_ntsc, &md_setup );
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}
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else if (config.ntsc == 3)
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{
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sms_setup = sms_ntsc_rgb;
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md_setup = md_ntsc_rgb;
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sms_ntsc_init( &sms_ntsc, &sms_setup );
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md_ntsc_init( &md_ntsc, &md_setup );
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}
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}
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SDL_BlitSurface(sdl_video.surf_bitmap, NULL, sdl_video.surf_screen, &rect);
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SDL_UpdateRect(sdl_video.surf_screen, 0, 0, 0, 0);
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++sdl_video.frames_rendered;
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}
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static void sdl_video_close()
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{
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if (sdl_video.surf_bitmap) SDL_FreeSurface(sdl_video.surf_bitmap);
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if (sdl_video.surf_screen) SDL_FreeSurface(sdl_video.surf_screen);
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}
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/* Timer Sync */
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struct {
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SDL_sem* sem_sync;
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} sdl_sync;
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/* sync */
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static Uint32 sdl_sync_timer_callback(Uint32 interval)
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{
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/*char caption[100];
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char region[10];
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if (region_code == REGION_USA) sprintf(region,"USA");
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else if (region_code == REGION_EUROPE) sprintf(region,"EUR");
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else sprintf(region,"JAP");
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sprintf(caption, "Genesis Plus/SDL - %s (%s) - %d fps - 0x%04X", rominfo.international, region, vdp_rate, realchecksum);
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SDL_WM_SetCaption(caption, NULL);*/
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SDL_SemPost(sdl_sync.sem_sync);
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return interval;
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}
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static int sdl_sync_init()
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{
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if(SDL_InitSubSystem(SDL_INIT_TIMER|SDL_INIT_EVENTTHREAD) < 0) {
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MessageBox(NULL, "SDL Timer initialization failed", "Error", 0);
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return 0;
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}
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sdl_sync.sem_sync = SDL_CreateSemaphore(0);
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return 1;
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}
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static void sdl_sync_close()
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{
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if(sdl_sync.sem_sync)
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SDL_DestroySemaphore(sdl_sync.sem_sync);
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}
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static int sdl_control_update(SDLKey keystate)
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{
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switch (keystate)
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{
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case SDLK_TAB:
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{
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system_reset();
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break;
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}
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case SDLK_F2:
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{
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if (fullscreen) fullscreen = 0;
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else fullscreen = SDL_FULLSCREEN;
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sdl_video.surf_screen = SDL_SetVideoMode(VIDEO_WIDTH, VIDEO_HEIGHT, 16, SDL_SWSURFACE | fullscreen);
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break;
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}
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case SDLK_F3:
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{
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config.render ^=1;
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break;
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}
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case SDLK_F4:
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{
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SDL_FillRect(sdl_video.surf_screen, 0, 0);
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config.ntsc ++;
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if (config.ntsc > 3) config.ntsc = 0;
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bitmap.viewport.changed = 1;
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break;
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}
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case SDLK_F5:
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{
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log_error ^= 1;
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break;
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}
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case SDLK_F6:
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{
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turbo_mode ^=1;
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break;
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}
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case SDLK_F7:
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{
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FILE *f = fopen("game.gpz","r+b");
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if (f)
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{
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uint8 buf[STATE_SIZE];
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fread(&buf, STATE_SIZE, 1, f);
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state_load(buf);
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fclose(f);
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}
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break;
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}
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case SDLK_F8:
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{
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FILE *f = fopen("game.gpz","w+b");
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if (f)
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{
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uint8 buf[STATE_SIZE];
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state_save(buf);
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fwrite(&buf, STATE_SIZE, 1, f);
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fclose(f);
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}
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break;
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}
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case SDLK_F9:
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{
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vdp_pal ^= 1;
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/* reinitialize timings */
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system_init ();
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unsigned char *temp = malloc(YM2612GetContextSize());
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if (temp) memcpy(temp, YM2612GetContextPtr(), YM2612GetContextSize());
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audio_init(SOUND_FREQUENCY);
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if (temp)
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{
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YM2612Restore(temp);
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free(temp);
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}
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/* reinitialize HVC tables */
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vctab = (vdp_pal) ? ((reg[1] & 8) ? vc_pal_240 : vc_pal_224) : vc_ntsc_224;
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hctab = (reg[12] & 1) ? cycle2hc40 : cycle2hc32;
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/* reinitialize overscan area */
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bitmap.viewport.x = config.overscan ? 14 : 0;
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bitmap.viewport.y = config.overscan ? (((reg[1] & 8) ? 0 : 8) + (vdp_pal ? 24 : 0)) : 0;
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break;
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}
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case SDLK_F10:
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{
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set_softreset();
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break;
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}
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case SDLK_F11:
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{
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joynum ++;
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if (joynum > MAX_DEVICES - 1)
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joynum = 0;
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break;
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}
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case SDLK_F12:
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{
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config.overscan ^= 1;
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bitmap.viewport.x = config.overscan ? ((reg[12] & 1) ? 16 : 12) : 0;
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bitmap.viewport.y = config.overscan ? (((reg[1] & 8) ? 0 : 8) + (vdp_pal ? 24 : 0)) : 0;
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bitmap.viewport.changed = 1;
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break;
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}
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case SDLK_ESCAPE:
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{
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return 0;
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}
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default:
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break;
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}
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return 1;
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}
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int sdl_input_update(void)
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{
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uint8 *keystate = SDL_GetKeyState(NULL);
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while (input.dev[joynum] == NO_DEVICE)
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{
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joynum ++;
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if (joynum > MAX_DEVICES - 1) joynum = 0;
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}
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/* reset input */
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input.pad[joynum] = 0;
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/* keyboard */
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if(keystate[SDLK_a]) input.pad[joynum] |= INPUT_A;
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if(keystate[SDLK_s]) input.pad[joynum] |= INPUT_B;
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if(keystate[SDLK_d]) input.pad[joynum] |= INPUT_C;
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if(keystate[SDLK_f]) input.pad[joynum] |= INPUT_START;
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if(keystate[SDLK_z]) input.pad[joynum] |= INPUT_X;
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if(keystate[SDLK_x]) input.pad[joynum] |= INPUT_Y;
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if(keystate[SDLK_c]) input.pad[joynum] |= INPUT_Z;
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if(keystate[SDLK_v]) input.pad[joynum] |= INPUT_MODE;
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switch (input.dev[joynum])
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{
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case DEVICE_LIGHTGUN:
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{
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/* get mouse (absolute values) */
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int x,y;
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int state = SDL_GetMouseState(&x,&y);
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/* Calculate X Y axis values */
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input.analog[joynum - 4][0] = (x * bitmap.viewport.w) / 640;
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input.analog[joynum - 4][1] = (y * bitmap.viewport.h) / 480;
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/* Map mouse buttons to player #1 inputs */
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if(state & SDL_BUTTON_MMASK) input.pad[joynum] |= INPUT_C;
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if(state & SDL_BUTTON_RMASK) input.pad[joynum] |= INPUT_B;
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if(state & SDL_BUTTON_LMASK) input.pad[joynum] |= INPUT_A;
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||||
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[2][0] = x;
|
||||
input.analog[2][1] = y;
|
||||
|
||||
/* Vertical movement is upsidedown */
|
||||
if (!config.invert_mouse) input.analog[2][1] = 0 - input.analog[2][1];
|
||||
|
||||
/* Map mouse buttons to player #1 inputs */
|
||||
if(state & SDL_BUTTON_MMASK) input.pad[joynum] |= INPUT_C;
|
||||
if(state & SDL_BUTTON_RMASK) input.pad[joynum] |= INPUT_B;
|
||||
if(state & SDL_BUTTON_LMASK) input.pad[joynum] |= INPUT_A;
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
default:
|
||||
{
|
||||
if(keystate[SDLK_UP]) input.pad[joynum] |= INPUT_UP;
|
||||
else
|
||||
if(keystate[SDLK_DOWN]) input.pad[joynum] |= INPUT_DOWN;
|
||||
if(keystate[SDLK_LEFT]) input.pad[joynum] |= INPUT_LEFT;
|
||||
else
|
||||
if(keystate[SDLK_RIGHT]) input.pad[joynum] |= INPUT_RIGHT;
|
||||
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (system_hw == SYSTEM_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)) / 640;
|
||||
input.analog[0][1] = 0x1fc + (y * (0x2f7-0x1fc+1)) / 480;
|
||||
|
||||
/* Map mouse buttons to player #1 inputs */
|
||||
if(state & SDL_BUTTON_MMASK) pico_current++;
|
||||
if(state & SDL_BUTTON_RMASK) input.pad[joynum] |= INPUT_B;
|
||||
if(state & SDL_BUTTON_LMASK) input.pad[joynum] |= INPUT_A;
|
||||
}
|
||||
|
||||
free (keystate);
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
int main (int argc, char **argv)
|
||||
{
|
||||
int running = 1;
|
||||
int sym;
|
||||
md_ntsc_setup_t md_setup;
|
||||
sms_ntsc_setup_t sms_setup;
|
||||
|
||||
error_init();
|
||||
|
||||
/* Print help if no game specified */
|
||||
if(argc < 2)
|
||||
@ -174,9 +472,10 @@ int main (int argc, char **argv)
|
||||
}
|
||||
|
||||
/* set default config */
|
||||
error_init();
|
||||
set_config_defaults();
|
||||
|
||||
/* Load game */
|
||||
/* Load ROM file */
|
||||
cart.rom = malloc(10*1024*1024);
|
||||
memset(cart.rom, 0, 10*1024*1024);
|
||||
if(!load_rom(argv[1]))
|
||||
@ -187,38 +486,6 @@ int main (int argc, char **argv)
|
||||
exit(1);
|
||||
}
|
||||
|
||||
/* initialize SDL */
|
||||
if(SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) < 0)
|
||||
{
|
||||
char caption[256];
|
||||
sprintf(caption, "SDL initialization failed");
|
||||
MessageBox(NULL, caption, "Error", 0);
|
||||
exit(1);
|
||||
}
|
||||
SDL_WM_SetCaption("Genesis Plus/SDL", NULL);
|
||||
SDL_ShowCursor(0);
|
||||
|
||||
screen = SDL_SetVideoMode(640, 480, 16, fullscreen ? (SDL_HWSURFACE|SDL_FULLSCREEN): (SDL_HWSURFACE));
|
||||
surface = SDL_CreateRGBSurface(SDL_HWSURFACE, 720, 576, 16, 0, 0, 0, 0);
|
||||
if (!screen || !surface)
|
||||
{
|
||||
MessageBox(NULL, "Video initialization failed", "Error", 0);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
/* initialize Genesis display */
|
||||
memset(&bitmap, 0, sizeof(t_bitmap));
|
||||
bitmap.width = 720;
|
||||
bitmap.height = 576;
|
||||
bitmap.depth = 16;
|
||||
bitmap.granularity = 2;
|
||||
bitmap.pitch = (bitmap.width * bitmap.granularity);
|
||||
bitmap.data = surface->pixels;
|
||||
bitmap.viewport.w = 256;
|
||||
bitmap.viewport.h = 224;
|
||||
bitmap.viewport.x = 0;
|
||||
bitmap.viewport.y = 0;
|
||||
|
||||
/* load BIOS */
|
||||
memset(bios_rom, 0, sizeof(bios_rom));
|
||||
FILE *f = fopen(OS_ROM, "rb");
|
||||
@ -236,13 +503,34 @@ int main (int argc, char **argv)
|
||||
config.bios_enabled |= 2;
|
||||
}
|
||||
|
||||
/* initialize SDL */
|
||||
if(SDL_Init(0) < 0)
|
||||
{
|
||||
char caption[256];
|
||||
sprintf(caption, "SDL initialization failed");
|
||||
MessageBox(NULL, caption, "Error", 0);
|
||||
exit(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;
|
||||
bitmap.depth = 16;
|
||||
bitmap.granularity = 2;
|
||||
bitmap.pitch = (bitmap.width * bitmap.granularity);
|
||||
bitmap.data = sdl_video.surf_bitmap->pixels;
|
||||
SDL_UnlockSurface(sdl_video.surf_bitmap);
|
||||
|
||||
/* initialize emulation */
|
||||
system_init();
|
||||
audio_init(SOUND_FREQUENCY);
|
||||
|
||||
/* initialize SDL audio */
|
||||
if (use_sound) use_sound = sdl_sound_init();
|
||||
|
||||
/* load SRAM */
|
||||
f = fopen("./game.srm", "rb");
|
||||
if (f!=NULL)
|
||||
@ -254,10 +542,13 @@ int main (int argc, char **argv)
|
||||
/* reset emulation */
|
||||
system_reset();
|
||||
|
||||
/* start emulation loop */
|
||||
SDL_SetTimer(1000/vdp_rate, fps_callback);
|
||||
if (use_sound) SDL_PauseAudio(0);
|
||||
if(use_sound)
|
||||
SDL_PauseAudio(0);
|
||||
|
||||
if(sdl_sync.sem_sync)
|
||||
SDL_SetTimer(vdp_pal ? 60 : 50, sdl_sync_timer_callback); /* 3 frames = 50 ms (60hz) or 60 ms (50hz) */
|
||||
|
||||
/* emulation loop */
|
||||
while(running)
|
||||
{
|
||||
SDL_Event event;
|
||||
@ -265,162 +556,26 @@ int main (int argc, char **argv)
|
||||
{
|
||||
switch(event.type)
|
||||
{
|
||||
case SDL_QUIT: /* Windows was closed */
|
||||
case SDL_QUIT:
|
||||
running = 0;
|
||||
break;
|
||||
|
||||
case SDL_KEYDOWN: /* user options */
|
||||
sym = event.key.keysym.sym;
|
||||
|
||||
if(sym == SDLK_TAB) system_reset();
|
||||
else if (sym == SDLK_RETURN)
|
||||
{
|
||||
fullscreen ^=1;
|
||||
screen = SDL_SetVideoMode(640, 480, 16, fullscreen ? (SDL_HWSURFACE|SDL_FULLSCREEN): (SDL_HWSURFACE));
|
||||
|
||||
}
|
||||
else if(sym == SDLK_F3) config.render ^=1;
|
||||
else if(sym == SDLK_F4)
|
||||
{
|
||||
SDL_FillRect( screen, 0, 0 );
|
||||
config.ntsc ++;
|
||||
if (config.ntsc > 3) config.ntsc = 0;
|
||||
bitmap.viewport.changed = 1;
|
||||
}
|
||||
else if(sym == SDLK_F5) log_error ^=1;
|
||||
else if(sym == SDLK_F6)
|
||||
{
|
||||
turbo_mode ^=1;
|
||||
frameticker = 0;
|
||||
}
|
||||
else if(sym == SDLK_F7)
|
||||
{
|
||||
f = fopen("game.gpz","r+b");
|
||||
if (f)
|
||||
{
|
||||
fread(&buf, STATE_SIZE, 1, f);
|
||||
state_load(buf);
|
||||
fclose(f);
|
||||
}
|
||||
}
|
||||
else if(sym == SDLK_F8)
|
||||
{
|
||||
f = fopen("game.gpz","w+b");
|
||||
if (f)
|
||||
{
|
||||
state_save(buf);
|
||||
fwrite(&buf, STATE_SIZE, 1, f);
|
||||
fclose(f);
|
||||
}
|
||||
}
|
||||
else if(sym == SDLK_F9)
|
||||
{
|
||||
vdp_pal ^= 1;
|
||||
|
||||
/* reinitialize timings */
|
||||
system_init ();
|
||||
unsigned char *temp = malloc(YM2612GetContextSize());
|
||||
if (temp) memcpy(temp, YM2612GetContextPtr(), YM2612GetContextSize());
|
||||
audio_init(48000);
|
||||
if (temp)
|
||||
{
|
||||
YM2612Restore(temp);
|
||||
free(temp);
|
||||
}
|
||||
|
||||
/* reinitialize HVC tables */
|
||||
vctab = (vdp_pal) ? ((reg[1] & 8) ? vc_pal_240 : vc_pal_224) : vc_ntsc_224;
|
||||
hctab = (reg[12] & 1) ? cycle2hc40 : cycle2hc32;
|
||||
|
||||
/* reinitialize overscan area */
|
||||
bitmap.viewport.x = config.overscan ? 14 : 0;
|
||||
bitmap.viewport.y = config.overscan ? (((reg[1] & 8) ? 0 : 8) + (vdp_pal ? 24 : 0)) : 0;
|
||||
}
|
||||
else if(sym == SDLK_F10) set_softreset();
|
||||
else if(sym == SDLK_F11)
|
||||
{
|
||||
joynum ++;
|
||||
if (joynum > MAX_DEVICES - 1) joynum = 0;
|
||||
while (input.dev[joynum] == NO_DEVICE)
|
||||
{
|
||||
joynum ++;
|
||||
if (joynum > MAX_DEVICES - 1) joynum = 0;
|
||||
}
|
||||
}
|
||||
else if(sym == SDLK_ESCAPE) running = 0;
|
||||
else if(sym == SDLK_F12)
|
||||
{
|
||||
config.overscan ^= 1;
|
||||
bitmap.viewport.x = config.overscan ? ((reg[12] & 1) ? 16 : 12) : 0;
|
||||
bitmap.viewport.y = config.overscan ? (((reg[1] & 8) ? 0 : 8) + (vdp_pal ? 24 : 0)) : 0;
|
||||
bitmap.viewport.changed = 1;
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
case SDL_KEYDOWN:
|
||||
running = sdl_control_update(event.key.keysym.sym);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
sdl_video_update();
|
||||
audio_update(snd.buffer_size);
|
||||
if(use_sound)
|
||||
sdl_sound_update();
|
||||
|
||||
if(!paused)
|
||||
if(!turbo_mode && sdl_sync.sem_sync && sdl_video.frames_rendered % 3 == 0)
|
||||
{
|
||||
if (frameticker > 1)
|
||||
{
|
||||
/* Frame skipping */
|
||||
frameticker--;
|
||||
system_frame (1);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Delay */
|
||||
while (!frameticker && !turbo_mode) SDL_Delay(0);
|
||||
|
||||
system_frame (0);
|
||||
frame_count++;
|
||||
}
|
||||
|
||||
frameticker--;
|
||||
|
||||
/* Sound Update */
|
||||
audio_update(snd.buffer_size);
|
||||
if (use_sound) sdl_sound_update();
|
||||
|
||||
/* Video update */
|
||||
if(bitmap.viewport.changed)
|
||||
{
|
||||
bitmap.viewport.changed = 0;
|
||||
rect.w = bitmap.viewport.w+2*bitmap.viewport.x;
|
||||
rect.h = bitmap.viewport.h+2*bitmap.viewport.y;
|
||||
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);
|
||||
|
||||
/* init NTSC filter */
|
||||
if (config.ntsc == 1)
|
||||
{
|
||||
sms_setup = sms_ntsc_composite;
|
||||
md_setup = md_ntsc_composite;
|
||||
sms_ntsc_init( &sms_ntsc, &sms_setup );
|
||||
md_ntsc_init( &md_ntsc, &md_setup );
|
||||
}
|
||||
else if (config.ntsc == 2)
|
||||
{
|
||||
sms_setup = sms_ntsc_svideo;
|
||||
md_setup = md_ntsc_svideo;
|
||||
sms_ntsc_init( &sms_ntsc, &sms_setup );
|
||||
md_ntsc_init( &md_ntsc, &md_setup );
|
||||
}
|
||||
else if (config.ntsc == 3)
|
||||
{
|
||||
sms_setup = sms_ntsc_rgb;
|
||||
md_setup = md_ntsc_rgb;
|
||||
sms_ntsc_init( &sms_ntsc, &sms_setup );
|
||||
md_ntsc_init( &md_ntsc, &md_setup );
|
||||
}
|
||||
}
|
||||
|
||||
display_output();
|
||||
SDL_SemWait(sdl_sync.sem_sync);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/* save SRAM */
|
||||
@ -431,97 +586,16 @@ int main (int argc, char **argv)
|
||||
fclose(f);
|
||||
}
|
||||
|
||||
if (use_sound) sdl_sound_close();
|
||||
SDL_FreeSurface(surface);
|
||||
SDL_FreeSurface(screen);
|
||||
SDL_Quit();
|
||||
system_shutdown();
|
||||
audio_shutdown();
|
||||
error_shutdown();
|
||||
free(cart.rom);
|
||||
|
||||
sdl_video_close();
|
||||
if (use_sound)
|
||||
sdl_sound_close();
|
||||
sdl_sync_close();
|
||||
SDL_Quit();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int update_input(void)
|
||||
{
|
||||
keystate = SDL_GetKeyState(NULL);
|
||||
|
||||
while (input.dev[joynum] == NO_DEVICE)
|
||||
{
|
||||
joynum ++;
|
||||
if (joynum > MAX_DEVICES - 1) joynum = 0;
|
||||
}
|
||||
|
||||
/* reset input */
|
||||
input.pad[joynum] = 0;
|
||||
|
||||
/* keyboard */
|
||||
if(keystate[SDLK_UP]) input.pad[joynum] |= INPUT_UP;
|
||||
else
|
||||
if(keystate[SDLK_DOWN]) input.pad[joynum] |= INPUT_DOWN;
|
||||
if(keystate[SDLK_LEFT]) input.pad[joynum] |= INPUT_LEFT;
|
||||
else
|
||||
if(keystate[SDLK_RIGHT]) input.pad[joynum] |= INPUT_RIGHT;
|
||||
|
||||
if(keystate[SDLK_a]) input.pad[joynum] |= INPUT_A;
|
||||
if(keystate[SDLK_s]) input.pad[joynum] |= INPUT_B;
|
||||
if(keystate[SDLK_d]) input.pad[joynum] |= INPUT_C;
|
||||
if(keystate[SDLK_f]) input.pad[joynum] |= INPUT_START;
|
||||
if(keystate[SDLK_z]) input.pad[joynum] |= INPUT_X;
|
||||
if(keystate[SDLK_x]) input.pad[joynum] |= INPUT_Y;
|
||||
if(keystate[SDLK_c]) input.pad[joynum] |= INPUT_Z;
|
||||
if(keystate[SDLK_v]) input.pad[joynum] |= INPUT_MODE;
|
||||
|
||||
if (input.dev[joynum] == DEVICE_LIGHTGUN)
|
||||
{
|
||||
/* get mouse (absolute values) */
|
||||
int x,y;
|
||||
int state = SDL_GetMouseState(&x,&y);
|
||||
|
||||
/* Calculate X Y axis values */
|
||||
input.analog[joynum - 4][0] = (x * bitmap.viewport.w) / 640;
|
||||
input.analog[joynum - 4][1] = (y * bitmap.viewport.h) / 480;
|
||||
|
||||
/* Map mouse buttons to player #1 inputs */
|
||||
if(state & SDL_BUTTON_MMASK) input.pad[joynum] |= INPUT_C;
|
||||
if(state & SDL_BUTTON_RMASK) input.pad[joynum] |= INPUT_B;
|
||||
if(state & SDL_BUTTON_LMASK) input.pad[joynum] |= INPUT_A;
|
||||
}
|
||||
else if (input.dev[joynum] == DEVICE_MOUSE)
|
||||
{
|
||||
/* get mouse (relative values) */
|
||||
int x,y;
|
||||
int state = SDL_GetRelativeMouseState(&x,&y);
|
||||
|
||||
/* Sega Mouse range is -256;+256 */
|
||||
input.analog[2][0] = x;
|
||||
input.analog[2][1] = y;
|
||||
|
||||
/* Vertical movement is upsidedown */
|
||||
if (!config.invert_mouse) input.analog[2][1] = 0 - input.analog[2][1];
|
||||
|
||||
/* Map mouse buttons to player #1 inputs */
|
||||
if(state & SDL_BUTTON_MMASK) input.pad[joynum] |= INPUT_C;
|
||||
if(state & SDL_BUTTON_RMASK) input.pad[joynum] |= INPUT_B;
|
||||
if(state & SDL_BUTTON_LMASK) input.pad[joynum] |= INPUT_A;
|
||||
}
|
||||
else if (system_hw == SYSTEM_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)) / 640;
|
||||
input.analog[0][1] = 0x1fc + (y * (0x2f7-0x1fc+1)) / 480;
|
||||
|
||||
/* Map mouse buttons to player #1 inputs */
|
||||
if(state & SDL_BUTTON_MMASK) pico_current++;
|
||||
if(state & SDL_BUTTON_RMASK) input.pad[joynum] |= INPUT_B;
|
||||
if(state & SDL_BUTTON_LMASK) input.pad[joynum] |= INPUT_A;
|
||||
}
|
||||
|
||||
/* options */
|
||||
return (1);
|
||||
}
|
||||
|
||||
@ -4,7 +4,7 @@
|
||||
|
||||
#define MAX_INPUTS 8
|
||||
|
||||
extern uint8 debug_on;
|
||||
extern uint8 log_error;
|
||||
extern int debug_on;
|
||||
extern int log_error;
|
||||
|
||||
#endif /* _MAIN_H_ */
|
||||
|
||||
@ -18,6 +18,8 @@
|
||||
#include "unzip.h"
|
||||
#include "fileio.h"
|
||||
|
||||
#define osd_input_Update sdl_input_update
|
||||
|
||||
#define GG_ROM "./ggenie.bin"
|
||||
#define AR_ROM "./areplay.bin"
|
||||
#define OS_ROM "./bios.bin"
|
||||
|
||||
Loading…
Reference in New Issue
Block a user