static FILE *log_open(uint32_t handle) {
char tmp[128];
FILE *f;
sprintf(tmp, "%u.log", handle);
f = fopen(tmp, "ab");
if (f) {
uint32_t starttime = timer_starttime();
uint32_t curtime = timer_now();
time_t ti = starttime + curtime/100;
service_log(handle, "open log file %s\n", tmp);
fprintf(f, "open time:%u %s", curtime, ctime(&ti));
fflush(f);
} else {
service_log(handle, "open log file %s failed\n", tmp);
}
return f;
}
double cpu_getscanlinetime(int scanline)
{
double scantime = timer_starttime(refresh_timer) + (double)scanline * scanline_period;
double abstime = timer_get_time();
double result;
/* if we're already past the computed time, count it for the next frame */
if (abstime >= scantime)
scantime += TIME_IN_HZ(Machine->drv->frames_per_second);
/* compute how long from now until that time */
result = scantime - abstime;
/* if it's small, just count a whole frame */
if (result < TIME_IN_NSEC(1))
result += TIME_IN_HZ(Machine->drv->frames_per_second);
return result;
}
attotime timer_device_starttime(const device_config *timer)
{
timer_state *state = get_safe_token(timer);
return timer_starttime(state->timer);
}
attotime timer_device_starttime(running_device *timer)
{
timer_state *state = get_safe_token(timer);
return timer_starttime(state->timer);
}
