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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. not all games work due to either banking, dma or protection issues.
graphics are glitchy in some games. 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 - 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) ret = make_bcd(systime.local_time.hour); // hour (BCD, 0-23)
break; break;
case 3: 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; break;
case 4: 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; break;
case 5: 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; break;
case 6: 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; 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) ret = make_bcd(systime.local_time.hour); // hour (BCD, 0-23)
break; break;
case 3: 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; break;
case 4: 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; break;
case 5: 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; break;
case 6: 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; break;
} }