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Months seem to start at 1; also fix seeded year for MSX.

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This commit is contained in:
Thomas Harte 2023-01-23 22:52:26 -05:00
parent bbd8b011ba
commit 6b85ee9607
1 changed files with 11 additions and 11 deletions
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22
Components/RP5C01/RP5C01.cpp
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@ -27,7 +27,7 @@ RP5C01::RP5C01(HalfCycles clock_rate) : clock_rate_(clock_rate) {
day_of_the_week_ = time_date->tm_wday;
day_ = time_date->tm_mday;
month_ = time_date->tm_mon;
year_ = time_date->tm_year % 100;
year_ = (time_date->tm_year + 20) % 100; // This is probably MSX specific; rethink if/when other machines use this chip.
leap_year_ = time_date->tm_year % 4;
}
@ -171,19 +171,19 @@ void RP5C01::write(int address, uint8_t value) {
} break;
// Day of the week.
case Reg(0, 0x06): day_of_the_week_ = value % 7; break;
case Reg(0, 0x06): day_of_the_week_ = value % 7; break;
// Day.
case Reg(0, 0x07): TwoDigitEncoder::encode<0>(day_, value); break;
case Reg(0, 0x08): TwoDigitEncoder::encode<1>(day_, value & 3); break;
case Reg(0, 0x07): TwoDigitEncoder::encode<0>(day_, value); break;
case Reg(0, 0x08): TwoDigitEncoder::encode<1>(day_, value & 3); break;
// Month.
case Reg(0, 0x09): TwoDigitEncoder::encode<0>(month_, value); break;
case Reg(0, 0x0a): TwoDigitEncoder::encode<1>(month_, value & 1); break;
case Reg(0, 0x09): TwoDigitEncoder::encode<0>(month_, (value - 1)); break;
case Reg(0, 0x0a): TwoDigitEncoder::encode<1>(month_, (value - 1) & 1); break;
// Year.
case Reg(0, 0x0b): TwoDigitEncoder::encode<0>(year_, value); break;
case Reg(0, 0x0c): TwoDigitEncoder::encode<1>(year_, value); break;
case Reg(0, 0x0b): TwoDigitEncoder::encode<0>(year_, value); break;
case Reg(0, 0x0c): TwoDigitEncoder::encode<1>(year_, value); break;
// TODO: alarm minutes.
case Reg(1, 0x02):
@ -271,10 +271,10 @@ uint8_t RP5C01::read(int address) {
case Reg(0, 0x08): value = TwoDigitEncoder::decode<1>(day_); break;
// Month.
case Reg(0, 0x09): value = TwoDigitEncoder::decode<0>(month_); break;
case Reg(0, 0x0a): value = TwoDigitEncoder::decode<1>(month_); break;
case Reg(0, 0x09): value = TwoDigitEncoder::decode<0>(month_ + 1); break;
case Reg(0, 0x0a): value = TwoDigitEncoder::decode<1>(month_ + 1); break;
// Year;
// Year.
case Reg(0, 0x0b): value = TwoDigitEncoder::decode<0>(year_); break;
case Reg(0, 0x0c): value = TwoDigitEncoder::decode<1>(year_); break;