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Naomi: implemented RTC start-up values [Angelo Salese]

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Angelo Salese 2010-05-04 12:57:53 +00:00
parent 85eb055c29
commit 93ced0c2fe
1 changed files with 43 additions and 2 deletions
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45
src/mame/machine/dc.c
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@ -1569,11 +1569,53 @@ static TIMER_CALLBACK(dc_rtc_increment)
dc_rtcregister[RTC2] = (dc_rtcregister[RTC2] + 1) & 0xFFFF;
if (dc_rtcregister[RTC2] == 0)
dc_rtcregister[RTC1] = (dc_rtcregister[RTC1] + 1) & 0xFFFF;
popmessage("%d",dc_rtcregister[RTC1] << 16 | dc_rtcregister[RTC2]);
}
/* fill the RTC registers with the proper start-up values */
static void rtc_initial_setup(running_machine *machine)
{
static UINT32 current_time;
static int year_count,cur_year,i;
static const int month_to_day_conversion[12] = { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 };
mame_system_time systime;
mame_get_base_datetime(machine, &systime);
memset(dc_rtcregister, 0, sizeof(dc_rtcregister));
/* put the seconds */
current_time = systime.local_time.second;
/* put the minutes */
current_time+= systime.local_time.minute*60;
/* put the hours */
current_time+= systime.local_time.hour*60*60;
/* put the days (note -1) */
current_time+= (systime.local_time.mday-1)*60*60*24;
/* take the current year here for calculating leaps */
cur_year = (systime.local_time.year);
/* take the months - despite popular beliefs, leap years aren't just evenly divisible by 4 */
if(((((cur_year % 4) == 0) && ((cur_year % 100) != 0)) || ((cur_year % 400) == 0)) && systime.local_time.month > 2)
current_time+= (month_to_day_conversion[systime.local_time.month]+1)*60*60*24;
else
current_time+= (month_to_day_conversion[systime.local_time.month])*60*60*24;
/* put the years */
year_count = (cur_year-1949);
for(i=0;i<year_count-1;i++)
current_time += (((((i+1950) % 4) == 0) && (((i+1950) % 100) != 0)) || (((i+1950) % 400) == 0)) ? 60*60*24*366 : 60*60*24*365;
dc_rtcregister[RTC2] = current_time & 0x0000ffff;
dc_rtcregister[RTC1] = (current_time & 0xffff0000) >> 16;
dc_rtc_timer = timer_alloc(machine, dc_rtc_increment, 0);
}
MACHINE_START( dc )
{
dc_rtc_timer = timer_alloc(machine, dc_rtc_increment, 0);
rtc_initial_setup(machine);
}
MACHINE_RESET( dc )
@ -1583,7 +1625,6 @@ MACHINE_RESET( dc )
memset(dc_sysctrl_regs, 0, sizeof(dc_sysctrl_regs));
memset(maple_regs, 0, sizeof(maple_regs));
memset(dc_rtcregister, 0, sizeof(dc_rtcregister));
memset(dc_coin_counts, 0, sizeof(dc_coin_counts));
timer_adjust_periodic(dc_rtc_timer, attotime_zero, 0, ATTOTIME_IN_SEC(1));