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Fix clock used in Namco systems 12 & 23.

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This commit is contained in:
R. Belmont 2009-01-11 05:36:04 +00:00
parent 4df40b369c
commit 1b4e540fbd
2 changed files with 14 additions and 9 deletions
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12
src/mame/drivers/namcos12.c
View File

@ -10,7 +10,6 @@
not all games work due to either banking, dma or protection issues.
graphics are glitchy in some games.
- day, date, and year from the RTC appear to be ignored (hour/min/sec are fine). H8 core bug or BIOS doesn't care?
- golgo13 assumes the test switch is a switch, not a button - must hold down F2 to stay in test mode
@ -1311,16 +1310,19 @@ static READ8_HANDLER( s12_mcu_rtc_r )
ret = make_bcd(systime.local_time.hour); // hour (BCD, 0-23)
break;
case 3:
ret = make_bcd(weekday[systime.local_time.weekday]); // day of the week (1 = Monday, 7 = Sunday)
ret = make_bcd(weekday[systime.local_time.weekday]); // low nibble = day of the week
ret |= (make_bcd(systime.local_time.mday) & 0x0f)<<4; // high nibble = low digit of day
break;
case 4:
ret = make_bcd(systime.local_time.mday); // day (BCD, 1-31)
ret = (make_bcd(systime.local_time.mday) >> 4); // low nibble = high digit of day
ret |= (make_bcd(systime.local_time.month + 1) & 0x0f)<<4; // high nibble = low digit of month
break;
case 5:
ret = make_bcd(systime.local_time.month + 1); // month (BCD, 1-12)
ret = make_bcd(systime.local_time.month + 1) >> 4; // low nibble = high digit of month
ret |= (make_bcd(systime.local_time.year % 10) << 4); // high nibble = low digit of year
break;
case 6:
ret = make_bcd(systime.local_time.year % 100); // year (BCD, 0-99)
ret = make_bcd(systime.local_time.year % 100) >> 4; // low nibble = tens digit of year (BCD, 0-9)
break;
}

11
src/mame/drivers/namcos23.c
View File

@ -1152,16 +1152,19 @@ static READ8_HANDLER( s23_mcu_rtc_r )
ret = make_bcd(systime.local_time.hour); // hour (BCD, 0-23)
break;
case 3:
ret = make_bcd(weekday[systime.local_time.weekday]); // day of the week (1 = Monday, 7 = Sunday)
ret = make_bcd(weekday[systime.local_time.weekday]); // low nibble = day of the week
ret |= (make_bcd(systime.local_time.mday) & 0x0f)<<4; // high nibble = low digit of day
break;
case 4:
ret = make_bcd(systime.local_time.mday); // day (BCD, 1-31)
ret = (make_bcd(systime.local_time.mday) >> 4); // low nibble = high digit of day
ret |= (make_bcd(systime.local_time.month + 1) & 0x0f)<<4; // high nibble = low digit of month
break;
case 5:
ret = make_bcd(systime.local_time.month + 1); // month (BCD, 1-12)
ret = make_bcd(systime.local_time.month + 1) >> 4; // low nibble = high digit of month
ret |= (make_bcd(systime.local_time.year % 10) << 4); // high nibble = low digit of year
break;
case 6:
ret = make_bcd(systime.local_time.year % 100); // year (BCD, 0-99)
ret = make_bcd(systime.local_time.year % 100) >> 4; // low nibble = tens digit of year (BCD, 0-9)
break;
}