This is an efficient digital titlebar clock that can also show date, day of
week, free chip/fast/total memory, largest free chip/fast/either memory block,
with full control over formatting, pen color for various parts of the display,
and refresh frequency. The clock can also show the local time in a different
time zone. Clock only updates parts of the display that need updating, so CPU
usage is kept low. This program should work under AmigaOS 1.2 and up. Include
Asm source. Author: Peter Schachte