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Fixed TOD CIA hack (gettimeofday is buggy in libogc). Used with synchronized_clock=true

This commit is contained in:
fabio.olimpieri 2015-01-02 14:49:16 +00:00
parent 4d454cb4a3
commit 864f1b21ce
1 changed files with 15 additions and 3 deletions
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18
src/cia.c
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@ -37,6 +37,10 @@
# include "arcadia.h"
#endif
#ifdef GEKKO
# include "ogc/lwp_watchdog.h"
#endif
//#define CIA_DEBUG_R
//#define CIA_DEBUG_W
//#define DONGLE_DEBUG
@ -407,9 +411,13 @@ void CIA_hsync_handler (void)
static void tod_hack_reset (void)
{
struct timeval tv;
uae_u32 rate = currprefs.ntscmode ? 60 : 50;
gettimeofday (&tv, NULL);
uae_u32 rate = currprefs.ntscmode ? 60 : 50;
#ifdef GEKKO //gettimeofday is buggy in libogc
tod_hack = (uae_u32) ((ticks_to_microsecs(gettick())/(1000000 / rate)));
#else
gettimeofday (&tv, NULL);
tod_hack = (uae_u32)(((uae_u64)tv.tv_sec) * rate + tv.tv_usec / (1000000 / rate));
#endif
tod_hack -= ciaatod;
tod_hack_delay = 10 * 50;
}
@ -431,8 +439,12 @@ void CIA_vsync_handler ()
}
}
if (tod_hack_delay == 0) {
gettimeofday (&tv, NULL);
#ifdef GEKKO //gettimeofday is buggy in libogc
t = (uae_u32) ((ticks_to_microsecs(gettick())/(1000000 / rate)));
#else
gettimeofday (&tv, NULL);
t = (uae_u32)(((uae_u64)tv.tv_sec) * rate + tv.tv_usec / (1000000 / rate));
#endif
nt = t - tod_hack;
if ((nt < ciaatod && ciaatod - nt < 10) || nt == ciaatod)
return; /* try not to count backwards */