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Commodore 128 Sound
Written by: Louis F. Sander
Simply Speaking: Commodore 128 Sound
Commodore Microcomputers, October 1985
Page 56
One of the most exciting aspects of
the new Commodore 128 is its musical
ability. The 128 uses six keywords
to facilitate working with sound.
They are:
VOL SOUND PLAY TEMPO
ENVELOPE FILTER
By using the simple commands, plus
some creative thinking, you could
become the Amadeus of the electronic
age.
VOL is short for Volume. The
higher the volume, the louder the
sound. SOUND produces tones and
other simple sound effects with a
minimum of programming effort. PLAY
and TEMPO are used to make song
playing easier. They are usually
used for more complex sounds than is
SOUND. The last two, ENVELOPE and
FILTER are used to dramatically
change the nature of the tones
produced with the other statements.
When used together, these six simple
statements open up the doorway to
wonderful music and sound on the
Commodore 128.
There are five programs on this
issue of LOADSTAR. They each teach a
different lesson of music creation on
the 128.
The first program, TEST TONE.128,
is used to adjust your speaker to a
comfortable listening level. A tone
is played at medium volume. You
should then adjust the volume control
on your monitor or TV.
The next three programs,
(SOUND1.128, SOUND2.128, and
SOUND3,128) let you hear the
different frequencies (tones) that
can be produced as well as how these
tones sound when used with more than
one voice.
The last program, PLAY1.128, is by
far the most advanced. It first lets
you hear some notes at different
volume levels. Next, it will sound
the range of frequencies that can be
produced on the 128. The program
will then allow you to listen to some
selected tempos. The next step in
the program will let you hear the
pre-set envelope settings of the 128.
Lastly, the program finishes with a
bit of fanfare.
**** NOTE ****
Because these programs are written
for the Commodore 128, you cannot RUN
them from the LOADSTAR environment.
All of the above programs are on
Side one of this issue of LOADSTAR.
To make it a bit easier to find them,
they all have the suffix '.128'.
This program is copyrighted by
Commodore magazine. All rights to it
are reserved. LOADSTAR has relieved
you from the burden of keying in this
program. For more complete
information about this program, refer
to the October 1985 issue of
Commodore Microcomputers magazine.
>Files used: TEST TONE.128
SOUND1.128
SOUND2.128
SOUND3.128
PLAY1.128
----------< end of article >----------