use picofe menu, move generic code out of gp2x/

[fceu.git] / drivers / gp2x_test / throttle.c

diff --git a/drivers/gp2x_test/throttle.c b/drivers/gp2x_test/throttle.c
deleted file mode 100644 (file)
index 4a6d699..0000000
--- a/drivers/gp2x_test/throttle.c
+++ /dev/null
@@ -1,75 +0,0 @@
-#include <sys/time.h>
-#include <unistd.h>
-
-#include "../common/main.h"
-#include "../gp2x/gp2x.h"
-#include "../gp2x/throttle.h"
-
-
-extern uint8 PAL;
-extern int FSkip;
-static int usec_aim = 0, usec_done = 0;
-static int skip_count = 0;
-
-void RefreshThrottleFPS(void)
-{
-       usec_aim = usec_done = skip_count = 0;
-}
-
-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 (Settings.frameskip >= 0)
-       {
-               if (skip_count >= Settings.frameskip)
-                       skip_count = 0;
-               else {
-                       skip_count++;
-                       FSkip = 1;
-               }
-       }
-       else if (usec_done > usec_aim + 1024*4)
-       {
-               /* auto frameskip */
-               if (usec_done - usec_aim > 1024*32)
-                       usec_done = usec_aim = 1; // too much behind, try to recover..
-               else
-                       FSkip = 1;
-               tv_prev = tv_now;
-               return;
-       }
-#endif
-
-       tv_prev = tv_now;
-       while (usec_done < usec_aim)
-       {
-               usleep(300);
-               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;
-}
-