int osd_update_frameskip(void)
{
static int cuantos=0;
unsigned ahora=gp2x_timer_read();
calculate_framerate(ahora);
proximo_frameskip+=frameskip_umbral;
mame4all_totalframes++;
if ((ahora-frameskip_medio)>proximo_frameskip)
{
cuantos++;
if (cuantos>3) //5)
{
proximo_frameskip=ahora+2;
cuantos=0;
return 0;
}
else
{
#ifdef DEBUG_FRAMERATE
mame4all_frameskipped++;
#endif
return 1;
}
}
else
{
if ((ahora+frameskip_medio)<proximo_frameskip)
{
if (!cuantos)
{
#ifdef DEBUG_FRAMERATE
mame4all_frameswaiting++;
#endif
gp2x_timer_delay(proximo_frameskip-ahora);
proximo_frameskip=gp2x_timer_read();
}
}
cuantos=0;
}
return 0;
}
/* Wait for correct synchronization */
INLINE void update_timing (void)
{
unsigned long curr=gp2x_timer_read();
unsigned long previ=prev;
unsigned long interval=((frameskip+1) * 1000)/(Machine->drv->frames_per_second);
/* now wait until it's time to update the screen */
if ((curr-previ)<interval) {
/* Auto-Frameskip -> frameskip-- */
if (gp2x_frameskip_auto && frameskip>0)
frameskip--;
//if (gp2x_vsync!=-1 && ((!gp2x_frameskip_auto) || (!frameskip) || (gp2x_vsync==1)))
{
while ((curr - previ) < interval) {
curr = gp2x_timer_read();
}
}
} else if ((curr-previ)>(interval)) {
/* Auto-Frameskip -> frameskip++ */
if (gp2x_frameskip_auto && frameskip<gp2x_frameskip)
frameskip++;
}
prev = curr;
}
void osd_reset_frameskip(void)
{
unsigned t;
proximo_frameskip=gp2x_timer_read();
frameskip_umbral=1000/Machine->drv->frames_per_second;
t=10000/Machine->drv->frames_per_second;
t=t-(frameskip_umbral*10);
if (t>5)
frameskip_umbral++;
frameskip_medio=frameskip_umbral>>1;
#ifdef DREAMCAST
frameskip_medio+=1; //2;
frameskip_umbral+=1; //3;
#endif
#ifdef DEBUG_FRAMERATE
printf("Trying to framerate %i fps\n",(Machine->drv->frames_per_second));
mame4all_frameskipped=0;
mame4all_frameswaiting=0;
mame4all_framerate=0.0;
mame4all_real_framerate=0.0;
mame4all_real_totalframes=0;
#endif
mame4all_totalframes=0;
}
static void select_game(char *emu, char *game)
{
extern int kiosk_mode;
unsigned long keytimer=0;
int keydirection=0, last_keydirection=0;
/* No Selected game */
strcpy(game,"builtinn");
/* Clean screen */
FE_DisplayScreen();
gp2x_joystick_clear();
/* Wait until user selects a game */
while(1)
{
game_list_view(&last_game_selected);
FE_DisplayScreen();
gp2x_timer_delay(70000);
while(1)
{
usleep(10000);
gp2x_joystick_read();
last_keydirection=keydirection;
keydirection=0;
//Any keyboard key pressed?
if(osd_is_sdlkey_pressed(pi_key[LEFT_1]) || osd_is_sdlkey_pressed(pi_key[RIGHT_1]) ||
osd_is_sdlkey_pressed(pi_key[UP_1]) || osd_is_sdlkey_pressed(pi_key[DOWN_1]) )
{
keydirection=1;
break;
}
if(osd_is_sdlkey_pressed(pi_key[START_1]) || osd_is_sdlkey_pressed(pi_key[A_1]) ||
osd_is_sdlkey_pressed(pi_key[QUIT]) || osd_is_sdlkey_pressed(pi_key[SELECT_1]) )
{
break;
}
//Any stick direction?
if(is_joy_axis_pressed (joyaxis_LR, 1, 0) || is_joy_axis_pressed (joyaxis_LR, 2, 0) ||
is_joy_axis_pressed (joyaxis_UD, 1, 0) || is_joy_axis_pressed (joyaxis_UD, 2, 0) )
{
keydirection=1;
break;
}
//Any joy buttons pressed?
if (ExKey1)
{
break;
}
//Used to delay the initial key press, but
//once pressed and held the delay will clear
keytimer = gp2x_timer_read() + (TICKS_PER_SEC/2);
}
//Key delay
if(keydirection && last_keydirection && gp2x_timer_read() < keytimer) {
continue;
}
int updown=0;
if(is_joy_axis_pressed (joyaxis_UD, 1, 0)) {last_game_selected--; updown=1;};
if(is_joy_axis_pressed (joyaxis_UD, 2, 0)) {last_game_selected++; updown=1;};
// Stop diagonals on game selection
if(!updown) {
if(is_joy_axis_pressed (joyaxis_LR, 1, 0)) last_game_selected-=21;
if(is_joy_axis_pressed (joyaxis_LR, 2, 0)) last_game_selected+=21;
}
if (osd_is_sdlkey_pressed(pi_key[UP_1])) last_game_selected--;
if (osd_is_sdlkey_pressed(pi_key[DOWN_1])) last_game_selected++;
if (osd_is_sdlkey_pressed(pi_key[LEFT_1])) last_game_selected-=21;
if (osd_is_sdlkey_pressed(pi_key[RIGHT_1])) last_game_selected+=21;
if (!kiosk_mode)
{
if( osd_is_sdlkey_pressed(pi_key[QUIT]) ||
(is_joy_button_pressed(pi_joy[START_1], ExKey1) && is_joy_button_pressed(pi_joy[SELECT_1], ExKey1)) ) {
gp2x_exit();
}
}
if (is_joy_button_pressed(pi_joy[A_1], ExKey1) ||
osd_is_sdlkey_pressed(pi_key[A_1]) ||
osd_is_sdlkey_pressed(pi_key[START_1]) )
{
/* Select the game */
game_list_select(last_game_selected, game, emu);
break;
}
if (is_joy_button_pressed(pi_joy[SELECT_1], ExKey1) || osd_is_sdlkey_pressed(pi_key[SELECT_1]) )
{
//Check if the game is already a favorite
game_list_select(last_game_selected, game, emu);
int foundfav=0;
int counter=0;
while(true) {
if (favarray[counter][0] == '\0') break; //Null is the array terminator
if (strcasecmp(favarray[counter], game) == 0) {
foundfav=1;
break;
}
counter++;
}
if(foundfav) {
favorites_remove(game);
} else {
favorites_add(game);
}
//Redraw and pause slightly
game_list_view(&last_game_selected);
FE_DisplayScreen();
usleep(300000);
gp2x_joystick_clear();
}
}
}
void gp2x_timer_delay(unsigned long ticks)
{
unsigned long ini=gp2x_timer_read();
while (gp2x_timer_read()-ini<ticks);
}
void gp2x_timer_delay(unsigned long ticks)
{
unsigned long long ini=gp2x_timer_read();
//printf("ini %ld %ld %d\n",gp2x_timer_read(),ini,(gp2x_timer_read()-ini));
while (gp2x_timer_read()-ini<ticks){/*nope*/};
}
