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Frozen Fish 1: Amiga
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1989-02-04
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[ Ed note: for convenience the following was excerpted from the
ciatimer.c and ciafinder.c files. -Fred ><> ]
/* TIMER - Amiga CIA Timer Control Software 0.1a
originally by Paul Higginbottom, Public Domain
hacked on by Karl Lehenbauer to produce a monotonically increasing
microsecond clock, 12/30/88, Public Domain
further hacking by Karl to provide arbitrary tasks the ability to locate
the CIA interrupt's time data, 1/5/88, Public Domain
cc +p ciatimer.c
ln ciatimer.o -lcl32
To start up the timer, execute ciatimer. To kill it, control-C. The task
doesn't do anything except wait for the control-C and clean up afterwards,
removing the interrupt.
ciafinder may then be used to locate the is_Data section of ciatimer's
interrupt, where ciatimer writes its time data.
*/
/* TIMER - Amiga CIA Timer Control Software 0.1a
originally by Paul Higginbottom, Public Domain
hacked on by karl to produce a monotonically increasing microsecond
clock, 12/30/88, Public Domain
ciafinder is a companion program to ciatimer. When ciatimer is running,
it has a timer interrupt installed for a CIA timer, ciafinder will locate
it and get the time. ciafinder contains the code you need for your
application to find the microsecond-resolution CIA timer time.
cc +p ciafinder.c
ln ciafinder.o -lcl32
*/