updated SDL/Win32 sourcecode

This commit is contained in:
ekeeke31 2009-11-22 16:35:41 +00:00
parent 18f9eaa16c
commit ecb5f0617b
7 changed files with 426 additions and 350 deletions

View File

@ -141,7 +141,7 @@ void eeprom_write_word(uint32 address, uint32 data)
uint32 z80_read_byte(uint32 address) uint32 z80_read_byte(uint32 address)
{ {
if (zbusack) return m68k_read_bus_8(address); if (zbusack) return m68k_read_bus_8(address);
switch ((address >> 13) & 3) switch ((address >> 13) & 3)
{ {
case 2: /* YM2612 */ case 2: /* YM2612 */
@ -159,7 +159,7 @@ uint32 z80_read_byte(uint32 address)
uint32 z80_read_word(uint32 address) uint32 z80_read_word(uint32 address)
{ {
if (zbusack) return m68k_read_bus_16(address); if (zbusack) return m68k_read_bus_16(address);
switch ((address >> 13) & 3) switch ((address >> 13) & 3)
{ {
case 2: /* YM2612 */ case 2: /* YM2612 */

View File

@ -8,7 +8,7 @@
# LSB_FIRST : for little endian systems. # LSB_FIRST : for little endian systems.
# X86_ASM : enable x86 assembly optimizations # X86_ASM : enable x86 assembly optimizations
NAME = ../gen_sdl.exe NAME = gen_sdl.exe
CC = gcc CC = gcc
CFLAGS = `sdl-config --cflags` -O6 -march=i686 -fomit-frame-pointer CFLAGS = `sdl-config --cflags` -O6 -march=i686 -fomit-frame-pointer
@ -37,13 +37,10 @@ OBJECTS += obj/sound.o \
obj/sn76489.o \ obj/sn76489.o \
obj/ym2612.o obj/ym2612.o
OBJECTS += obj/blip.o \ OBJECTS += obj/Fir_Resampler.o \
obj/Fir_Resampler.o
OBJECTS += obj/eq.o \ OBJECTS += obj/eq.o \
OBJECTS += obj/filters.o \
OBJECTS += obj/sram.o \ OBJECTS += obj/sram.o \
obj/eeprom.o \ obj/eeprom.o \
obj/svp.o \ obj/svp.o \

View File

@ -11,7 +11,7 @@ void set_config_defaults(void)
/* sound options */ /* sound options */
config.psg_preamp = 150; config.psg_preamp = 150;
config.fm_preamp = 100; config.fm_preamp = 100;
config.hq_fm = 0; config.hq_fm = 1;
config.psgBoostNoise = 0; config.psgBoostNoise = 0;
config.filter = 1; config.filter = 1;
config.low_freq = 200; config.low_freq = 200;
@ -19,6 +19,7 @@ void set_config_defaults(void)
config.lg = 1.0; config.lg = 1.0;
config.mg = 1.0; config.mg = 1.0;
config.hg = 1.0; config.hg = 1.0;
config.lp_range = 50;
/* system options */ /* system options */
config.region_detect = 0; config.region_detect = 0;
@ -26,7 +27,7 @@ void set_config_defaults(void)
config.addr_error = 1; config.addr_error = 1;
config.bios_enabled = 0; config.bios_enabled = 0;
config.lock_on = 0; config.lock_on = 0;
config.romtype = 0; config.romtype = 0;
/* display options */ /* display options */
config.overscan = 1; config.overscan = 1;

View File

@ -20,6 +20,7 @@ typedef struct
uint8 filter; uint8 filter;
uint16 low_freq; uint16 low_freq;
uint16 high_freq; uint16 high_freq;
uint8 lp_range;
float lg; float lg;
float mg; float mg;
float hg; float hg;
@ -39,6 +40,7 @@ typedef struct
/* Global variables */ /* Global variables */
extern t_config config; extern t_config config;
extern void set_config_defaults(void);
#endif /* _CONFIG_H_ */ #endif /* _CONFIG_H_ */

View File

@ -1,29 +1,25 @@
#include <windows.h> #include <windows.h>
#include <SDL.h>
#include "SDL.h"
#include "SDL_thread.h"
#include "shared.h" #include "shared.h"
#include "sms_ntsc.h" #include "sms_ntsc.h"
#include "md_ntsc.h" #include "md_ntsc.h"
#define SOUND_FREQUENCY 48000 #define SOUND_FREQUENCY 48000
#define SOUND_SAMPLES_SIZE 2048 #define SOUND_SAMPLES_SIZE 2048
#define VIDEO_WIDTH 640
#define VIDEO_HEIGHT 480
int timer_count = 0;
int old_timer_count = 0;
int paused = 0;
int frame_count = 0;
int frameticker = 0;
int joynum = 0; int joynum = 0;
int update_input(void); int log_error = 0;
uint8 *keystate; int debug_on = 0;
uint8 buf[STATE_SIZE]; int turbo_mode = 0;
int use_sound = 1;
uint8 log_error = 0; int fullscreen = 0; /* SDL_FULLSCREEN */
uint8 debug_on = 0;
uint8 turbo_mode = 1;
uint8 use_sound = 0;
uint8 fullscreen = 0;
/* sound */ /* sound */
@ -57,23 +53,23 @@ static int sdl_sound_init()
SDL_AudioSpec as_desired, as_obtained; SDL_AudioSpec as_desired, as_obtained;
if(SDL_Init(SDL_INIT_AUDIO) < 0) { if(SDL_Init(SDL_INIT_AUDIO) < 0) {
printf("ERROR: %s.\n", SDL_GetError()); MessageBox(NULL, "SDL Audio initialization failed", "Error", 0);
return 0; return 0;
} }
as_desired.freq = SOUND_FREQUENCY; as_desired.freq = SOUND_FREQUENCY;
as_desired.format = AUDIO_S16LSB; as_desired.format = AUDIO_S16LSB;
as_desired.channels = 2; as_desired.channels = 2;
as_desired.samples = SOUND_SAMPLES_SIZE; as_desired.samples = SOUND_SAMPLES_SIZE;
as_desired.callback = sdl_sound_callback; as_desired.callback = sdl_sound_callback;
if(SDL_OpenAudio(&as_desired, &as_obtained) == -1) { if(SDL_OpenAudio(&as_desired, &as_obtained) == -1) {
printf("ERROR: can't open audio: %s.\n", SDL_GetError()); MessageBox(NULL, "SDL Audio open failed", "Error", 0);
return 0; return 0;
} }
if(as_desired.samples != as_obtained.samples) { if(as_desired.samples != as_obtained.samples) {
printf("ERROR: soundcard driver does not accept specified samples size.\n"); MessageBox(NULL, "SDL Audio wrong setup", "Error", 0);
return 0; return 0;
} }
@ -81,7 +77,7 @@ static int sdl_sound_init()
n = SOUND_SAMPLES_SIZE * 2 * sizeof(short) * 11; n = SOUND_SAMPLES_SIZE * 2 * sizeof(short) * 11;
sdl_sound.buffer = (char*)malloc(n); sdl_sound.buffer = (char*)malloc(n);
if(!sdl_sound.buffer) { if(!sdl_sound.buffer) {
printf("ERROR: can't allocate memory for sound.\n"); MessageBox(NULL, "Can't allocate audio buffer", "Error", 0);
return 0; return 0;
} }
memset(sdl_sound.buffer, 0, n); memset(sdl_sound.buffer, 0, n);
@ -111,58 +107,360 @@ static void sdl_sound_close()
{ {
SDL_PauseAudio(1); SDL_PauseAudio(1);
SDL_CloseAudio(); SDL_CloseAudio();
free(sdl_sound.buffer); if (sdl_sound.buffer)
} free(sdl_sound.buffer);
static SDL_Rect rect;
static SDL_Surface* screen;
static SDL_Surface* surface;
static unsigned char* output_pixels; /* 16-bit RGB */
static long output_pitch;
Uint32 fps_callback(Uint32 interval)
{
if(paused) return 1000/vdp_rate;
timer_count++;
frameticker ++;
if(timer_count % vdp_rate == 0)
{
int fps = frame_count + 1;
char caption[100];
char region[10];
if (region_code == REGION_USA) sprintf(region,"USA");
else if (region_code == REGION_EUROPE) sprintf(region,"EUR");
else sprintf(region,"JAP");
sprintf(caption, "Genesis Plus/SDL - %s (%s) - %d fps - 0x%04X", rominfo.international, region, fps, realchecksum);
SDL_WM_SetCaption(caption, NULL);
frame_count = 0;
}
return 1000/vdp_rate;
}
void display_output( void )
{
SDL_Rect dest;
dest.w=rect.w;
dest.h=rect.h;
dest.x=(640-rect.w)/2;
dest.y=(480-rect.h)/2;
if ( SDL_BlitSurface( surface, &rect, screen, &dest ) < 0 || SDL_Flip( screen ) < 0 )
MessageBox(NULL, "SDL blit failed", "Error", 0);
} }
/* video */
md_ntsc_t md_ntsc; md_ntsc_t md_ntsc;
sms_ntsc_t sms_ntsc; sms_ntsc_t sms_ntsc;
struct {
SDL_Surface* surf_screen;
SDL_Surface* surf_bitmap;
Uint32 frames_rendered;
} sdl_video;
static int sdl_video_init()
{
if(SDL_InitSubSystem(SDL_INIT_VIDEO) < 0) {
MessageBox(NULL, "SDL Video initialization failed", "Error", 0);
return 0;
}
sdl_video.surf_screen = SDL_SetVideoMode(VIDEO_WIDTH, VIDEO_HEIGHT, 16, SDL_SWSURFACE | fullscreen);
sdl_video.surf_bitmap = SDL_CreateRGBSurface(SDL_SWSURFACE, 720, 576, 16, 0, 0, 0, 0);
sdl_video.frames_rendered = 0;
SDL_WM_SetCaption("Genesis Plus/SDL", NULL);
SDL_ShowCursor(0);
return 1;
}
static void sdl_video_update()
{
SDL_Rect rect;
system_frame(0);
/* viewport size changed */
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);
rect.x=(VIDEO_WIDTH-rect.w)/2;
rect.y=(VIDEO_HEIGHT-rect.h)/2;
/* init NTSC filter */
md_ntsc_setup_t md_setup;
sms_ntsc_setup_t sms_setup;
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 );
}
}
SDL_BlitSurface(sdl_video.surf_bitmap, NULL, sdl_video.surf_screen, &rect);
SDL_UpdateRect(sdl_video.surf_screen, 0, 0, 0, 0);
++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;
} sdl_sync;
/* sync */
static Uint32 sdl_sync_timer_callback(Uint32 interval)
{
/*char caption[100];
char region[10];
if (region_code == REGION_USA) sprintf(region,"USA");
else if (region_code == REGION_EUROPE) sprintf(region,"EUR");
else sprintf(region,"JAP");
sprintf(caption, "Genesis Plus/SDL - %s (%s) - %d fps - 0x%04X", rominfo.international, region, vdp_rate, realchecksum);
SDL_WM_SetCaption(caption, NULL);*/
SDL_SemPost(sdl_sync.sem_sync);
return interval;
}
static int sdl_sync_init()
{
if(SDL_InitSubSystem(SDL_INIT_TIMER|SDL_INIT_EVENTTHREAD) < 0) {
MessageBox(NULL, "SDL Timer initialization failed", "Error", 0);
return 0;
}
sdl_sync.sem_sync = SDL_CreateSemaphore(0);
return 1;
}
static void sdl_sync_close()
{
if(sdl_sync.sem_sync)
SDL_DestroySemaphore(sdl_sync.sem_sync);
}
static int sdl_control_update(SDLKey keystate)
{
switch (keystate)
{
case SDLK_TAB:
{
system_reset();
break;
}
case SDLK_F2:
{
if (fullscreen) fullscreen = 0;
else fullscreen = SDL_FULLSCREEN;
sdl_video.surf_screen = SDL_SetVideoMode(VIDEO_WIDTH, VIDEO_HEIGHT, 16, SDL_SWSURFACE | fullscreen);
break;
}
case SDLK_F3:
{
config.render ^=1;
break;
}
case SDLK_F4:
{
SDL_FillRect(sdl_video.surf_screen, 0, 0);
config.ntsc ++;
if (config.ntsc > 3) config.ntsc = 0;
bitmap.viewport.changed = 1;
break;
}
case SDLK_F5:
{
log_error ^= 1;
break;
}
case SDLK_F6:
{
turbo_mode ^=1;
break;
}
case SDLK_F7:
{
FILE *f = fopen("game.gpz","r+b");
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.gpz","w+b");
if (f)
{
uint8 buf[STATE_SIZE];
state_save(buf);
fwrite(&buf, STATE_SIZE, 1, f);
fclose(f);
}
break;
}
case SDLK_F9:
{
vdp_pal ^= 1;
/* reinitialize timings */
system_init ();
unsigned char *temp = malloc(YM2612GetContextSize());
if (temp) memcpy(temp, YM2612GetContextPtr(), YM2612GetContextSize());
audio_init(SOUND_FREQUENCY);
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;
break;
}
case SDLK_F10:
{
set_softreset();
break;
}
case SDLK_F11:
{
joynum ++;
if (joynum > MAX_DEVICES - 1)
joynum = 0;
break;
}
case 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;
}
case SDLK_ESCAPE:
{
return 0;
}
default:
break;
}
return 1;
}
int sdl_input_update(void)
{
uint8 *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_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;
switch (input.dev[joynum])
{
case 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;
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 main (int argc, char **argv)
{ {
int running = 1; 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 */ /* Print help if no game specified */
if(argc < 2) if(argc < 2)
@ -174,9 +472,10 @@ int main (int argc, char **argv)
} }
/* set default config */ /* set default config */
error_init();
set_config_defaults(); set_config_defaults();
/* Load game */ /* Load ROM file */
cart.rom = malloc(10*1024*1024); cart.rom = malloc(10*1024*1024);
memset(cart.rom, 0, 10*1024*1024); memset(cart.rom, 0, 10*1024*1024);
if(!load_rom(argv[1])) if(!load_rom(argv[1]))
@ -187,38 +486,6 @@ int main (int argc, char **argv)
exit(1); 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 */ /* load BIOS */
memset(bios_rom, 0, sizeof(bios_rom)); memset(bios_rom, 0, sizeof(bios_rom));
FILE *f = fopen(OS_ROM, "rb"); FILE *f = fopen(OS_ROM, "rb");
@ -236,13 +503,34 @@ int main (int argc, char **argv)
config.bios_enabled |= 2; 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 */ /* initialize emulation */
system_init(); system_init();
audio_init(SOUND_FREQUENCY); audio_init(SOUND_FREQUENCY);
/* initialize SDL audio */
if (use_sound) use_sound = sdl_sound_init();
/* load SRAM */ /* load SRAM */
f = fopen("./game.srm", "rb"); f = fopen("./game.srm", "rb");
if (f!=NULL) if (f!=NULL)
@ -254,10 +542,13 @@ int main (int argc, char **argv)
/* reset emulation */ /* reset emulation */
system_reset(); system_reset();
/* start emulation loop */ if(use_sound)
SDL_SetTimer(1000/vdp_rate, fps_callback); 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) while(running)
{ {
SDL_Event event; SDL_Event event;
@ -265,162 +556,26 @@ int main (int argc, char **argv)
{ {
switch(event.type) switch(event.type)
{ {
case SDL_QUIT: /* Windows was closed */ case SDL_QUIT:
running = 0; running = 0;
break; break;
case SDL_KEYDOWN: /* user options */ case SDL_KEYDOWN:
sym = event.key.keysym.sym; running = sdl_control_update(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:
break; 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) SDL_SemWait(sdl_sync.sem_sync);
{
/* 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();
} }
} }
/* save SRAM */ /* save SRAM */
@ -431,97 +586,16 @@ int main (int argc, char **argv)
fclose(f); fclose(f);
} }
if (use_sound) sdl_sound_close();
SDL_FreeSurface(surface);
SDL_FreeSurface(screen);
SDL_Quit();
system_shutdown(); system_shutdown();
audio_shutdown(); audio_shutdown();
error_shutdown(); error_shutdown();
free(cart.rom); free(cart.rom);
sdl_video_close();
if (use_sound)
sdl_sound_close();
sdl_sync_close();
SDL_Quit();
return 0; 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);
}

View File

@ -4,7 +4,7 @@
#define MAX_INPUTS 8 #define MAX_INPUTS 8
extern uint8 debug_on; extern int debug_on;
extern uint8 log_error; extern int log_error;
#endif /* _MAIN_H_ */ #endif /* _MAIN_H_ */

View File

@ -18,6 +18,8 @@
#include "unzip.h" #include "unzip.h"
#include "fileio.h" #include "fileio.h"
#define osd_input_Update sdl_input_update
#define GG_ROM "./ggenie.bin" #define GG_ROM "./ggenie.bin"
#define AR_ROM "./areplay.bin" #define AR_ROM "./areplay.bin"
#define OS_ROM "./bios.bin" #define OS_ROM "./bios.bin"