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Amiga Format CD 49
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Amiga Format CD49 (2000-01-17)(Future Publishing)(GB)(Track 1 of 3)[!][issue 2000-02].iso
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-in_the_mag-
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banging_the_metal
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clockpeek
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clockpeek.readme
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1999-12-02
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CLOCKPEEK program notes
=======================
The programs in this drawer demonstrate
direct access to the hardware clock on
the majority of Amigas. They are examples
of 'banging the metal', inadvisable unless
you know the configuration of the target
system.
They were tested on both 6 Mb 68020 and
Apollo 68060 A1200 systems, and require
alterations for 16 bit systems like the
A2000 or A500. They do not work on an
A3000 or A4000 because those machines use
a different type of Real Time Clock chip.
The program is provided in three forms:
(1) The original source, written in HiSoft Power
Basic (ClockPeek.bas). Edit and recompile this
to make a version of the demo suitable for 16
bit Amigas.
(2) ClockPeek.pbc, the same program compiled with
Power BASIC - this requires the corresponding
HiSoftBASIC.library (which is not PD) to run.
(3) ClockPeek, the same program compiled into
a standalone task with Hisoft BASIC 2. This
should run on any computer but assumes the
typical address of A1200 clock expansion.
Simon N Goodwin, December 1999