void SelectSong(int num)
{
if (num >= number_of_songs)
num = 0;
current_song = num;
// Reset SID
SIDReset(0);
// Set replay frequency
int freq = 50;
if (num < 32)
freq = speed_flags & (1 << num) ? 60 : 50;
SIDSetReplayFreq(freq);
SIDAdjustSpeed(100);
// Execute init routine
CPUExecute(init_adr, current_song, 0, 0, 1000000);
}
int main(int argc, char **argv)
{
// Print banner
printf(
"SIDPlayer Version 4.4\n\n"
"Copyright (C) 1996-2004 Christian Bauer\n"
"E-mail: [email protected]\n"
"http://www.uni-mainz.de/~bauec002/\n\n"
"This is free software with ABSOLUTELY NO WARRANTY.\n"
"You are welcome to redistribute it under certain conditions.\n"
"For details, see the file COPYING.\n\n"
);
// Initialize everything
if (SDL_Init(SDL_INIT_AUDIO) < 0) {
fprintf(stderr, "Couldn't initialize SDL (%s)\n", SDL_GetError());
exit(1);
}
atexit(quit);
InitAll(argc, argv);
int32 speed = PrefsFindInt32("speed");
// Parse non-option arguments
const char *file_name = NULL;
int song = 0;
int i;
for (i=1; i<argc; i++) {
if (strcmp(argv[i], "--help") == 0)
usage(argv[0]);
else if (argv[i][0] == '-') {
fprintf(stderr, "Unrecognized option '%s'\n", argv[i]);
usage(argv[0]);
} else {
if (file_name == NULL)
file_name = argv[i]; // First non-option argument is file name
else
song = atoi(argv[i]); // Second non-option argument is song number
}
}
if (file_name == NULL)
usage(argv[0]);
// Load given PSID file
if (!LoadPSIDFile(file_name)) {
fprintf(stderr, "Couldn't load '%s' (not a PSID file?)\n", file_name);
exit(1);
}
// Select song
if (song > 0) {
if (song > number_of_songs)
song = number_of_songs;
SelectSong(song - 1);
}
SIDAdjustSpeed(speed); // SelectSong and LoadPSIDFile() reset this to 100%
// Print file information
printf("Module Name: %s\n", module_name);
printf("Author : %s\n", author_name);
printf("Copyright : %s\n\n", copyright_info);
printf("Playing song %d/%d\n", current_song + 1, number_of_songs);
// Start replay and enter main loop
SDL_PauseAudio(false);
while (true) {
SDL_Event e;
if (SDL_WaitEvent(&e)) {
if (e.type == SDL_QUIT)
break;
}
}
ExitAll();
return 0;
}
