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Support DS1288x RTC/NVRAM

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Wayne Warthen
2025-11-25 17:08:15 -08:00
parent 2ac394f22b
commit 2de1c9b05d
42 changed files with 464 additions and 9 deletions
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Source/Doc/SystemGuide.md
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@@ -1444,6 +1444,7 @@ unit. The table below enumerates these values.
| RTCDEV_EZ80 | 0x07 | eZ80 on-chip RTC | ez80rtc.asm |
| RTCDEV_PC | 0x08 | MC146818/DS1285/DS12885 RTC w/ NVRAM | pcrtc.asm |
| RTCDEV_MM | 0x09 | NS MM58167B RTC (no NVRAM) | mmrtc.asm |
| RTCDEV_DS12 | 0x0A | DS1288x RTC w/NVRAM | ds12rtc.asm |
The time functions to get and set the time (RTCGTM and RTCSTM) require a
6 byte date/time buffer in the following format. Each byte is BCD