AmstradCPC6128-hypertext-en-Sinewalker

Now reset the computer [CONTROL] [SHIFT] [ESC] , and type in:
10 sound 1,239
run
You will hear a short note which is middle c lasting 0.2 second.
If you don't hear anything, make sure that the VOLUME control on the computer is
not set to zero, then type RUN again.
Duration
This parameter sets the length of the sound, in other words, 'how long it lasts'. The
parameter works in units of 0.01 (one hundredth) ofa second, and if you don't specify
the , the computer will assume a figure of 20, which is why the note you
just heard lasted 0.2 second, i.e. 0.01 multiplied by 20.
To make the note last for 1 second, a of 1 00 would be be used; to make it
last 2 seconds, 200 would be used. Type in:
10 sound 1,239,200
run
You will hear the note middle c lasting 2 seconds.
Volume
This parameter specifies the starting volume of a note. The number is in the range 0
to 1 5. A figure of 0 is minimum, while 1 5 is maximum. If no number is
used, 1 2 is assumed. Type in:
10 sound 1,239,200,5
run
Note the volume of this sound. Now type it in using a higher volume number:
\
10 sound 1,239,200,15 }
run
You will hear that this is much louder.
foundation Course Chapter 1 Page 69