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Joshua Bell b621ac6a4d Add ROMX RTC driver, c/o Jeff Mazur. 
This is a modified version of the ROMX Real-Time Clock driver. The changes include:

* Converting the source to ca65.

* Integrating with the driver installer framework.

* Adapting the driver to not modify page 2 beyond $220. The ROMX RTC
  firmware writes bytes to $2B0, and the the original driver placed
  temp code at $250. This can conflict with ProDOS applications that
  use page 2, so the driver was reworked to save/restore anything at
  at $2B0.

Other changes:

* Add a util/ source dir, and cricket/date, quit.system and
  pause.system there.

* Pull the "print current date" logic out of clock drivers into driver
  preamble.
2021-10-05 19:58:31 -07:00
..
date.s Add ROMX RTC driver, c/o Jeff Mazur. 2021-10-05 19:58:31 -07:00
Makefile Add ROMX RTC driver, c/o Jeff Mazur. 2021-10-05 19:58:31 -07:00
pause.system.s Add ROMX RTC driver, c/o Jeff Mazur. 2021-10-05 19:58:31 -07:00
quit.system.s Add ROMX RTC driver, c/o Jeff Mazur. 2021-10-05 19:58:31 -07:00
README.md Add ROMX RTC driver, c/o Jeff Mazur. 2021-10-05 19:58:31 -07:00

README.md

Utilities

  • DATE
    • Prints the current ProDOS date/time, to verify the time is set and updating. Run from the BASIC prompt: -DATE
  • QUIT.SYSTEM
    • This invokes the ProDOS quit handler immediately. It can be used as the last in a chain of "driver" installers to invoke the program selector, e.g. if you want to also keep BASIC.SYSTEM in your root directory but not launch it.
  • PAUSE.SYSTEM
    • Waits for a fraction of a second before invoking the next driver file. Useful in case the log messages from the driver installers go by too quickly!