void upd1990a_rtc_device::rtc_clock_updated(int year, int month, int day, int day_of_week, int hour, int minute, int second)
{
m_time_counter[0] = convert_to_bcd(second);
m_time_counter[1] = convert_to_bcd(minute);
m_time_counter[2] = convert_to_bcd(hour);
m_time_counter[3] = convert_to_bcd(day);
m_time_counter[4] = (month << 4) | day_of_week;
}
inline void upd1990a_device::advance_seconds()
{
static const int days_per_month[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
int seconds = bcd_to_integer(m_time_counter[0]);
int minutes = bcd_to_integer(m_time_counter[1]);
int hours = bcd_to_integer(m_time_counter[2]);
int days = bcd_to_integer(m_time_counter[3]);
int day_of_week = m_time_counter[4] & 0x0f;
int month = (m_time_counter[4] & 0xf0) >> 4;
seconds++;
if (seconds > 59)
{
seconds = 0;
minutes++;
}
if (minutes > 59)
{
minutes = 0;
hours++;
}
if (hours > 23)
{
hours = 0;
days++;
day_of_week++;
}
if (day_of_week > 6)
{
day_of_week++;
}
if (days > days_per_month[month - 1])
{
days = 1;
month++;
}
if (month > 12)
{
month = 1;
}
m_time_counter[0] = convert_to_bcd(seconds);
m_time_counter[1] = convert_to_bcd(minutes);
m_time_counter[2] = convert_to_bcd(hours);
m_time_counter[3] = convert_to_bcd(days);
m_time_counter[4] = (month << 4) | day_of_week;
}
void upd1990a_device::device_reset()
{
system_time curtime, *systime = &curtime;
machine().current_datetime(curtime);
// HACK: load time counter from system time
m_time_counter[0] = convert_to_bcd(systime->local_time.second);
m_time_counter[1] = convert_to_bcd(systime->local_time.minute);
m_time_counter[2] = convert_to_bcd(systime->local_time.hour);
m_time_counter[3] = convert_to_bcd(systime->local_time.mday);
m_time_counter[4] = systime->local_time.weekday;
m_time_counter[4] |= (systime->local_time.month + 1) << 4;
}
void gba_s3511_device::update_time(int len)
{
system_time curtime;
m_machine.current_datetime(curtime);
if (len == 7)
{
m_data[0] = convert_to_bcd(curtime.local_time.year);
m_data[1] = convert_to_bcd(curtime.local_time.month + 1);
m_data[2] = convert_to_bcd(curtime.local_time.mday);
m_data[3] = convert_to_bcd(curtime.local_time.weekday);
m_data[4] = convert_to_bcd(curtime.local_time.hour);
m_data[5] = convert_to_bcd(curtime.local_time.minute);
m_data[6] = convert_to_bcd(curtime.local_time.second);
}
else if (len == 3)
{
m_data[0] = convert_to_bcd(curtime.local_time.hour);
m_data[1] = convert_to_bcd(curtime.local_time.minute);
m_data[2] = convert_to_bcd(curtime.local_time.second);
}
}
static int final_form(int isbcd, int number)
{
return isbcd ? convert_to_bcd(number) : number;
}
WRITE8_DEVICE_HANDLER_TRAMPOLINE(ds1302, ds1302_clk_w)
{
if (data != m_last_clk)
{
if (data) //Rising, shift in command
{
m_icount++;
if(m_icount == 8) //Command start
{
system_time systime;
m_machine.base_datetime(systime);
switch(m_shift_in)
{
case 0x81: //Sec
m_shift_out = convert_to_bcd(systime.local_time.second);
break;
case 0x83: //Min
m_shift_out = convert_to_bcd(systime.local_time.minute);
break;
case 0x85: //Hour
m_shift_out = convert_to_bcd(systime.local_time.hour);
break;
case 0x87: //Day
m_shift_out = convert_to_bcd(systime.local_time.mday);
break;
case 0x89: //Month
m_shift_out = convert_to_bcd(systime.local_time.month + 1);
break;
case 0x8b: //weekday
m_shift_out = convert_to_bcd(systime.local_time.weekday);
break;
case 0x8d: //Year
m_shift_out = convert_to_bcd(systime.local_time.year % 100);
break;
default:
m_shift_out = 0x0;
}
if(m_shift_in > 0xc0)
{
m_shift_out = m_sram[(m_shift_in >> 1) & 0x1f];
}
m_last_cmd = m_shift_in & 0xff;
m_icount++;
}
if(m_icount == 17 && !(m_last_cmd & 1))
{
UINT8 val = (m_shift_in >> 9) & 0xff;
switch(m_last_cmd)
{
case 0x80: //Sec
break;
case 0x82: //Min
break;
case 0x84: //Hour
break;
case 0x86: //Day
break;
case 0x88: //Month
break;
case 0x8a: //weekday
break;
case 0x8c: //Year
break;
default:
m_shift_out = 0x0;
}
if(m_last_cmd > 0xc0)
{
m_sram[(m_last_cmd >> 1) & 0x1f] = val;
}