void osd_sound_enable(int enable_it)
{
if (enable_it)
gp2x_sound_volume(master_volume,master_volume);
else
gp2x_sound_volume(0,0);
}
void volume_down(void)
{
if (volume > 0) {
volume -= 5;
}
gp2x_sound_volume(volume, volume);
}
void volume_up(void)
{
if (volume < 100) {
volume += 5;
}
gp2x_sound_volume(volume, volume);
}
void emu_WriteConfig(void)
{
FILE *f;
getcwd(currentConfig.lastRomDir, MAXPATHLEN);
printf("currentDir -> %s\n", currentConfig.lastRomDir);
chdir(runPath); //change to dir where you launched app
f = fopen("Potator2x.cfg", "wb");
if (f) {
fwrite(¤tConfig, 1, sizeof(currentConfig), f);
fflush(f);
fclose(f);
sync();
}
chdir(currentConfig.lastRomDir); // change back to last dir (where you loaded the rom from)
if(currentConfig.videoMode==2)
gp2x_video_RGB_setscaling(160, 160);
else
gp2x_video_RGB_setscaling(320, 240);
CPUSetting(clocklist[currentConfig.CPUclock]);
//gp2x_sound_rate(currentConfig.SoundRate);
gp2x_sound_volume(currentConfig.volume,currentConfig.volume);
gp2x_sound_pause(1^currentConfig.enable_sound);
}
void emu_ReadConfig(void)
{
FILE *f;
getcwd(currentConfig.lastRomDir, MAXPATHLEN);
printf("currentDir -> %s\n", currentConfig.lastRomDir);
chdir(runPath); //change to dir where you launched app
// set default config
memset(¤tConfig, 0, sizeof(currentConfig));
//currentConfig.lastRomDir[0] = 0;
currentConfig.videoMode = 0;
currentConfig.show_fps = 0;
currentConfig.enable_sound = 0;
currentConfig.SoundRate = 11025;
currentConfig.Frameskip = 0; // auto
currentConfig.CPUclock = 1;
currentConfig.volume = 255;
gp2x_sound_volume(currentConfig.volume,currentConfig.volume);
f = fopen("Potator2x.cfg", "rb");
if (f) {
fread(¤tConfig, 1, sizeof(currentConfig), f);
fclose(f);
}
chdir(currentConfig.lastRomDir); // change back to last dir (where you loaded the rom from)
if(currentConfig.videoMode==2)
gp2x_video_RGB_setscaling(160, 160);
else
gp2x_video_RGB_setscaling(320, 240);
CPUSetting(clocklist[currentConfig.CPUclock]);
//gp2x_sound_rate(currentConfig.SoundRate);
gp2x_sound_volume(currentConfig.volume,currentConfig.volume);
gp2x_sound_pause(1^currentConfig.enable_sound);
}
void gp2x_overclock()
{
gpsp_gp2x_dev = open("/dev/mem", O_RDWR);
gpsp_gp2x_dev_audio = open("/dev/mixer", O_RDWR);
gpsp_gp2x_memregl =
(unsigned long *)mmap(0, 0x10000, PROT_READ|PROT_WRITE, MAP_SHARED,
gpsp_gp2x_dev, 0xc0000000);
gpsp_gp2x_memregs = (unsigned short *)gpsp_gp2x_memregl;
clear_screen(0);
main_cpuspeed(0, NULL);
gp2x_sound_volume(1);
}
/* attenuation in dB */
void osd_set_mastervolume(int _attenuation)
{
float volume;
if (_attenuation > 0) _attenuation = 0;
if (_attenuation < -32) _attenuation = -32;
attenuation = _attenuation;
volume = 100.0; /* range is 0-100 */
while (_attenuation++ < 0)
volume /= 1.122018454; /* = (10 ^ (1/20)) = 1dB */
master_volume = volume;
gp2x_sound_volume(master_volume,master_volume);
}
void CheckKeys(void)
{
unsigned long pad=gp2x_joystick_read(0);
if(pad & GP2X_VOL_DOWN) if(pad & GP2X_START) {
supervision_done(); //shutsdown the system
//gp2x_deinit();
exit(0);
}
if(pad & GP2X_L) if(pad & GP2X_R) //Checks if L and R are pushed
supervision_reset(); //Reset emulator
if(pad & GP2X_L) if(pad & GP2X_LEFT) //Checks if L and LEFT pushed
supervision_set_colour_scheme(COLOUR_SCHEME_DEFAULT); //Changes the color scheme
if(pad & GP2X_L) if(pad & GP2X_RIGHT) //Checks if L and RIGHT are pushed
supervision_set_colour_scheme(COLOUR_SCHEME_AMBER); //Changes the color scheme
if(pad & GP2X_L) if(pad & GP2X_UP) //Checks if L and UP pushed
supervision_set_colour_scheme(COLOUR_SCHEME_GREEN); //Changes the color scheme
if(pad & GP2X_L) if(pad & GP2X_DOWN) //Checks if L and DOWN pushed
supervision_set_colour_scheme(COLOUR_SCHEME_BLUE); //Changes the color scheme
if(pad & GP2X_Y) {
paused=TRUE;
textClear();
handleMainMenu(); // File menu
paused=FALSE;}
if (pad & (GP2X_VOL_UP|GP2X_VOL_DOWN)) {
int vol = currentConfig.volume;
if (pad & GP2X_VOL_UP) {
if (vol < 255) vol++;
} else {
if (vol > 0) vol--;
}
gp2x_sound_volume(vol, vol);
currentConfig.volume = vol;
}
}
int main(int argc, char *argv[])
{
gp2x_init(1000, 16, 11025,16,1,60, 1);
gp2x_sound_volume(100,100);
screen16 = (unsigned short *)gp2x_video_RGB[0].screen;
int i,j;
char temp[255];
FILE *in = NULL;
if(argc <= 1) {
printf("\nnot enough arguments\n");
//return(TRUE);
} else {
// the hard-core UI, a command line:
for (i=0; (i < argc || argv[i] != NULL); i++) {
if(strcmp(argv[i], "--double") == 0) {
//screen_size = 1;
}
if(strcmp(argv[i], "--color white") == 0) {
supervision_set_colour_scheme(COLOUR_SCHEME_DEFAULT);
}
if(strcmp(argv[i], "--color amber") == 0) {
supervision_set_colour_scheme(COLOUR_SCHEME_AMBER);
}
if(strcmp(argv[i], "--color green") == 0) {
supervision_set_colour_scheme(COLOUR_SCHEME_GREEN);
}
if(strcmp(argv[i], "--color blue") == 0) {
supervision_set_colour_scheme(COLOUR_SCHEME_BLUE);
}
}
romname = strdup(argv[1]);
in = fopen(romname, "r");
if(in == NULL) {
printf("The file %s doesn't exist.\n",romname);
exit(0);
}
fflush(in);
fclose(in);
}
supervision_init(); //Init the emulator
getRunDir();
if(romname!=NULL){
loadROM(romname);
supervision_load((u8*)buffer, (uint32)buffer_size);
} else {
handleFileMenu(); // File menu
}
emu_ReadConfig();
gp2x_sound_volume(255,255);
gp2x_sound_pause(0);
while(1)
{
CheckKeys();
while(!paused)
{
CheckKeys(); //key control
controls_update();
switch(currentConfig.videoMode){
case 0:
supervision_exec((int16*)screenbuffer,1);
for(j=0; j < 160; j++)
gp2x_memcpy(screen16+(80+(j+40)*320),screenbuffer+(j * 160),160*2);
break;
case 1:
supervision_exec2((int16*)screen16,1);
break;
case 2:
supervision_exec3((int16*)screen16,1);
break;
default: break;
}
/*gp2x_video_waitvsync();
sprintf(temp,"FPS: %3d", FPS);
gp2x_printf(NULL,0,0,temp);
++svFrm;*/
gp2x_video_RGB_flip(0);
controls_reset();
}
}
supervision_done(); //shutsdown the system
gp2x_deinit();
}
int InitSound(void)
{
FCEUI_Sound(Settings.sound_rate);
gp2x_sound_volume(soundvol, soundvol);
return 1;
}
