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 emu_video_mode_change(int start_line, int line_count, int is_32cols)
{
int scalex = 320, scaley = 240;
int ln_offs = 0;
if (doing_bg_frame)
return;
osd_fps_x = OSD_FPS_X;
osd_y = 232;
/* set up hwscaling here */
PicoOpt &= ~POPT_DIS_32C_BORDER;
if (is_32cols && currentConfig.scaling == EOPT_SCALE_HW) {
scalex = 256;
PicoOpt |= POPT_DIS_32C_BORDER;
osd_fps_x = OSD_FPS_X - 64;
}
if (currentConfig.vscaling == EOPT_SCALE_HW) {
ln_offs = start_line;
scaley = line_count;
osd_y = start_line + line_count - 8;
}
gp2x_video_RGB_setscaling(ln_offs, scalex, scaley);
/* line doubling */
if (currentConfig.vscaling == EOPT_SCALE_SW && line_count < 240) {
ld_lines = ld_left = line_count / (240 - line_count);
PicoDrawSetCallbacks(EmuScanBegin16_ld, EmuScanEnd16_ld);
}
// clear whole screen in all buffers
if (!is_16bit_mode())
gp2x_memset_all_buffers(0, 0xe0, 320*240);
else
gp2x_memset_all_buffers(0, 0, 320*240*2);
}
void handleMainMenu(void)
{
BOOL isSelected = FALSE;
int menuOption = 0;
textClear();
gp2x_video_RGB_setscaling(320, 240);
while(!isSelected) {
unsigned long pad = gp2x_joystick_read(0);
printMenuOptions();
gp2x_printf(0, 170, 1, "MenuOption = %d",menuOption);
gp2x_printf(0, 0, (31 + (menuOption*8)), "->");
gp2x_video_RGB_flip(0);
if(pad & GP2X_RIGHT) {
if((menuOption == MMOPTION_SAVESTATE) || (menuOption == MMOPTION_LOADSTATE))
saveSlot++;
}
if(pad & GP2X_LEFT) {
if((menuOption == MMOPTION_SAVESTATE) || (menuOption == MMOPTION_LOADSTATE))
saveSlot--;
}
if(pad & GP2X_DOWN) {
menuOption++;
textClear();
}
if(pad & GP2X_UP) {
menuOption--;
textClear();
}
if(pad & GP2X_VOL_DOWN) if(pad & GP2X_START)
exitMenu();
if(pad & GP2X_X) {
switch(menuOption){
case MMOPTION_CONTINUE: RESIZE(); textClear(); return;
case MMOPTION_RESTART: RESIZE(); supervision_reset(); textClear(); return;
case MMOPTION_SELECTOR: handleFileMenu(); return;
case MMOPTION_OPTIONS: handleOptionsMenu(); textClear(); return;
case MMOPTION_SAVESTATE: sv_saveState(romname,saveSlot); textClear();return;
case MMOPTION_LOADSTATE: sv_loadState(romname,saveSlot); textClear();return;
case MMOPTION_EXIT: exitMenu(); break;
default: return;
}
}
/*if(pad & GP2X_B) {
textClear();
return;
}*/
if(menuOption < 0) menuOption = 0;
if(menuOption > 6) menuOption = 6;
if(saveSlot < 0) saveSlot = 0;
if(saveSlot > 9) saveSlot = 9;
while(pad == gp2x_joystick_read(0));
pad = gp2x_joystick_read(0);
textClear();
}
}
void handleOptionsMenu(void)
{
BOOL isSelected = FALSE;
int menuOption = 0;
emu_ReadConfig();
gp2x_video_RGB_setscaling(320, 240);
textClear();
while(!isSelected) {
int clock = currentConfig.CPUclock;
int frameskip = currentConfig.Frameskip;
int videomode = currentConfig.videoMode;
int vol = currentConfig.volume;
unsigned long pad = gp2x_joystick_read(0);
gp2x_printf(0, 1, 1, "Potator2x 1.0 by Normmatt\n\n");
gp2x_printf(0, 15, 15 + 2*8, "videoMode %s",videoMode);
gp2x_printf(0, 15, 15 + 3*8, "show_fps %d",currentConfig.show_fps);
gp2x_printf(0, 15, 15 + 4*8, "enable_sound %d",currentConfig.enable_sound);
gp2x_printf(0, 15, 15 + 5*8, "SoundRate %d",currentConfig.SoundRate);
gp2x_printf(0, 15, 15 + 6*8, "Frameskip %d",currentConfig.Frameskip);
gp2x_printf(0, 15, 15 + 7*8, "CPUclock %d",clocklist[currentConfig.CPUclock]);
gp2x_printf(0, 15, 15 + 8*8, "volume %d",currentConfig.volume);
gp2x_printf(0, 15, 15 + 9*8, "Save and Exit");
gp2x_printf(0, 15, 15 + 10*8, "Exit");
gp2x_printf(0, 170, 1, "MenuOption = %d",menuOption);
gp2x_printf(0, 0, (31 + (menuOption*8)), "->");
gp2x_video_RGB_flip(0);
if(pad & GP2X_RIGHT) {
if(menuOption == OPTION_VIDEOMODE) if(videomode < 2) currentConfig.videoMode++;
if(menuOption == OPTION_SHOWFPS) if(currentConfig.show_fps==0) currentConfig.show_fps=1; else currentConfig.show_fps=0;
if(menuOption == OPTION_ENABLESOUND) if(currentConfig.enable_sound==0) currentConfig.enable_sound=1; else currentConfig.enable_sound=0;
if(menuOption == OPTION_SOUNDRATE) currentConfig.SoundRate*=2;
if(menuOption == OPTION_FRAMESKIP) if (frameskip < 9) frameskip++;
if(menuOption == OPTION_CPUCLOCK) if(clock < sizeof(clocklist)) clock++;
if(menuOption == OPTION_VOLUME) if (vol < 255) vol+= (pad & GP2X_RIGHT) ? 1 : 0;
}
if(pad & GP2X_LEFT) {
if(menuOption == OPTION_VIDEOMODE) if(videomode > 0) currentConfig.videoMode--;
if(menuOption == OPTION_SHOWFPS) if(currentConfig.show_fps==0) currentConfig.show_fps=1; else currentConfig.show_fps=0;
if(menuOption == OPTION_ENABLESOUND) if(currentConfig.enable_sound==0) currentConfig.enable_sound=1; else currentConfig.enable_sound=0;
if(menuOption == OPTION_SOUNDRATE) currentConfig.SoundRate/=2;
if(menuOption == OPTION_FRAMESKIP) if (frameskip > 0) frameskip--;
if(menuOption == OPTION_CPUCLOCK) if(clock > 0) clock--;
if(menuOption == OPTION_VOLUME) if (vol > 0) vol-= (pad & GP2X_LEFT) ? 1 : 0;
}
if(pad & GP2X_DOWN) {
menuOption++;
textClear();
}
if(pad & GP2X_UP) {
menuOption--;
textClear();
}
if(pad & GP2X_VOL_DOWN) if(pad & GP2X_START)
exitMenu();
if(pad & GP2X_X) {
switch(menuOption){
case OPTION_SAVEEXIT:
emu_WriteConfig();
return;
case OPTION_EXIT:
//gp2x_sound_rate(currentConfig.SoundRate);
return;
default: break;
}
}
switch(currentConfig.videoMode)
{
case 0: sprintf(videoMode,"Slow"); break;
case 1: sprintf(videoMode,"Quick"); break;
case 2: sprintf(videoMode,"Full Screen"); break;
default: sprintf(videoMode,""); break;
}
if(currentConfig.SoundRate <= 11025) currentConfig.SoundRate = 11025;
if(currentConfig.SoundRate >= 44100) currentConfig.SoundRate = 44100;
currentConfig.Frameskip = frameskip;
currentConfig.CPUclock = clock;
currentConfig.volume = vol;
if(menuOption < 0) menuOption = 0;
if(menuOption > 8) menuOption = 8;
while(pad == gp2x_joystick_read(0));
pad = gp2x_joystick_read(0);
textClear();
}
}
