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/* |
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* main_sdl.cpp - SIDPlayer SDL main program |
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* |
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< |
* SIDPlayer (C) Copyright 1996-2001 Christian Bauer |
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* SIDPlayer (C) Copyright 1996-2003 Christian Bauer |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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#include <stdlib.h> |
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#include <errno.h> |
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|
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#ifdef __unix__ |
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#include <unistd.h> |
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#include <sys/time.h> |
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#endif |
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|
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#include "main.h" |
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#include "prefs.h" |
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#include "sid.h" |
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|
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|
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/* |
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* Get current value of microsecond timer |
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*/ |
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|
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uint64 GetTicks_usec(void) |
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{ |
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#ifdef __unix__ |
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struct timeval t; |
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gettimeofday(&t, NULL); |
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return uint64(t.tv_sec) * 1000000 + t.tv_usec; |
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#else |
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return uint64(SDL_GetTicks()) * 1000; |
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#endif |
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} |
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|
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|
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/* |
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* Delay by specified number of microseconds (<1 second) |
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* (adapted from SDL_Delay() source) |
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*/ |
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|
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void Delay_usec(uint32 usec) |
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{ |
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#ifdef __unix__ |
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int was_error; |
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#ifndef __linux__ /* Non-Linux implementations need to calculate time left */ |
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uint64 then, now, elapsed; |
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#endif |
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struct timeval tv; |
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|
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/* Set the timeout interval - Linux only needs to do this once */ |
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#ifdef __linux__ |
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tv.tv_sec = 0; |
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tv.tv_usec = usec; |
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#else |
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then = GetTicks_usec(); |
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#endif |
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do { |
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errno = 0; |
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#ifndef __linux__ |
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/* Calculate the time interval left (in case of interrupt) */ |
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now = GetTicks_usec(); |
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elapsed = (now-then); |
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then = now; |
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if ( elapsed >= usec ) { |
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break; |
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} |
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usec -= elapsed; |
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tv.tv_sec = 0; |
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tv.tv_usec = usec; |
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#endif |
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was_error = select(0, NULL, NULL, NULL, &tv); |
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} while (was_error && (errno == EINTR)); |
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#else |
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SDL_Delay(usec / 1000); |
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#endif |
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} |
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|
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|
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/* |
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* Main program |
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*/ |
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// Print banner |
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printf( |
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PACKAGE " Version " VERSION "\n\n" |
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< |
"Copyright (C) 1996-2001 Christian Bauer\n" |
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"Copyright (C) 1996-2003 Christian Bauer\n" |
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"E-mail: Christian.Bauer@uni-mainz.de\n" |
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"http://www.uni-mainz.de/~bauec002/\n\n" |
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"This is free software with ABSOLUTELY NO WARRANTY.\n" |
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SDL_RWclose(f); |
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printf("Output written to '%s'\n", outfile); |
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|
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} else if (PrefsFindBool("cwsid")) { |
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|
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// Catweasel output, requires manual timing |
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while (true) { |
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SIDExecute(); |
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|
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SDL_Event e; |
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if (SDL_PollEvent(&e)) { |
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if (e.type == SDL_QUIT) |
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break; |
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} |
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} |
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|
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} else { |
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|
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// Start replay and enter main loop |
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} |
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} |
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|
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ExitAll(); |
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return 0; |
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} |
