ThunderClock driver update needed for 2024+ #72
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I just double checked and... yeah, 2.4.2 has this table: For 2018 - 2023: $12, $17, $16, $15, $14, $14, $13 If it helps, one of the following tables could be patched in: For 2023 - 2028: $18, $17, $1C, $1B, $1A, $19, $18 |
inexorabletash
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If ProDOS finds a ThunderClock it installs a built-in driver for it. The ThunderClock card gives day-of-week but not year. So the driver uses the day/month/day-of-week to infer the year, using a 7-entry table. This means the driver gives the wrong year unless it is reasonably updated. ProDOS 2.4.2 includes an update to handle 2018-2023 but that's about to run out. ProDOS-8/ProDOS8-Testing#72 Make the CLOCK.SYSTEM jumbo driver do the extra work of updating the year table for the ThunderClock driver. This handles old versions of ProDOS from 1.1 through 2.4.2, and the update handles 2023 through 2028. (In 2027 we can update again to handle through 2032.)
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Fixed in 2.4.3 |
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The ThunderClock system clock card provides day, month and day-of-week but not year. From those, the ProDOS driver infers the year using a table. But the table only handles a range of 6 or 7 years.
If I recall correctly, the updated table in ProDOS 2.4.2 expires after 2023, so as of 1/1/2024 users will start seeing incorrect dates in ProDOS, if they're using the ThunderClock or compatibles.
This doesn't affect drivers for clocks that have the year (e.g. the built in IIgs clock driver, third party No-Slot-Clock driver, etc) so it's not a huge deal.
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