Tony Cianfaglione wrote:
On Sun, 27 Aug 2006, Michael J. Mahon wrote:How do you get to the setting code after flipping the switch? Do you re-boot, or do a PR#?, or does ProDOS have to be running?Stretching the old memory way back, I think I just flipped the switch and turned on the IIc. It came up to a setup screen which lets you enter the time and date and it tells you to flip the switch when you're done. You then reboot using your regular ProDOS, DOS3.3 or application and the clock is recognized and appears in the upper right hand corner of the screen. I don't recall having to boot using a disk but that's a long time ago now.
I can't understand how any serial port device can gain control of the computer unless some installed code loads the ROM content into RAM and gives it control. Also, the display of the time on the screen requires that an interrupt routine be installed, since ProDOS doesn't do it, and most applications don't do it unless patched. I've become *very* interested in the documentation for this clock! Any chance that installation involved adding a "CLOCK.SYSTEM" file as the first .SYSTEM file on the boot disk? -michael New, faster SUDOKU v2.0 solver for Apple II's! Home page: http://members.aol.com/MJMahon/ "The wastebasket is our most important design tool--and it's seriously underused."