move 2

[fceu.git] / drivers / pc / throttle.c

diff --git a/drivers/pc/throttle.c b/drivers/pc/throttle.c
deleted file mode 100644 (file)
index 81cd916..0000000
--- a/drivers/pc/throttle.c
+++ /dev/null
@@ -1,110 +0,0 @@
-#include <sys/time.h>
-#include "main.h"
-#include "throttle.h"
-
-#if 0
-static uint64 tfreq;
-static uint64 desiredfps;
-
-void RefreshThrottleFPS(void)
-{
- uint64 f=FCEUI_GetDesiredFPS();
- // great, a bit faster than before
- //f = (f*65) >> 6;
- desiredfps=f>>8;
- tfreq=1000000;
- tfreq<<=16;    /* Adjustment for fps returned from FCEUI_GetDesiredFPS(). */
-}
-
-static uint64 GetCurTime(void)
-{
- uint64 ret;
- struct timeval tv;
-
- gettimeofday(&tv,0);
- ret=(uint64)tv.tv_sec*1000000;
- ret+=tv.tv_usec;
- return(ret);
-}
-
-INLINE void SpeedThrottle(void)
-{
- static uint64 ttime,ltime;
-
- waiter:
-
- ttime=GetCurTime();
-
- if( (ttime-ltime) < (tfreq/desiredfps) )
- {
-  goto waiter;
- }
- if( (ttime-ltime) >= (tfreq*4/desiredfps))
-  ltime=ttime;
- else
-  ltime+=tfreq/desiredfps;
-}
-
-#else
-
-extern uint8 PAL;
-extern int FSkip, FSkip_setting;
-static int usec_aim = 0, usec_done = 0;
-static int skip_count = 0;
-
-INLINE void SpeedThrottle(void)
-{
-       static struct timeval tv_prev;
-       struct timeval tv_now;
-       int delta_nom = PAL ? 19997 : 16639; // ~50.007, 19.997 ms/frame : ~60.1, 16.639 ms/frame
-
-
-       if (usec_done == 0) { // first time
-               usec_done = 1;
-               gettimeofday(&tv_prev, 0);
-               return;
-       }
-
-       gettimeofday(&tv_now, 0);
-
-       usec_aim += delta_nom;
-       if (tv_now.tv_sec != tv_prev.tv_sec)
-               usec_done += 1000000;
-       usec_done += tv_now.tv_usec - tv_prev.tv_usec;
-
-#ifdef FRAMESKIP
-       if (FSkip_setting >= 0)
-       {
-               if (skip_count >= FSkip_setting)
-                       skip_count = 0;
-               else {
-                       skip_count++;
-                       FSkip = 1;
-               }
-       }
-       else if (usec_done > usec_aim)
-       {
-               /* auto frameskip */
-               if (usec_done - usec_aim > 150000)
-                       usec_done = usec_aim = 0; // too much behind, try to recover..
-               FSkip = 1;
-               tv_prev = tv_now;
-               return;
-       }
-#endif
-
-       tv_prev = tv_now;
-       while (usec_done < usec_aim)
-       {
-               gettimeofday(&tv_now, 0);
-
-               if (tv_now.tv_sec != tv_prev.tv_sec)
-                       usec_done += 1000000;
-               usec_done += tv_now.tv_usec - tv_prev.tv_usec;
-               tv_prev = tv_now;
-       }
-       usec_done = usec_done - usec_aim + 1; // reset to prevent overflows
-       usec_aim = 0;
-}
-#endif
-