Execute the program at 0D00, and then type keys, different keys will result in
I prefer to program in Basic, so how do we use Basic to work the PIO. Answer,
read the manual and you will find that
sets the PIO to the output mode, note that 15 is the decimal of 0FH. To output from
the PIO in Basic, use
where A is a decimal value between 0 and 255. We can now write a program to play a
simple tune, in the following example I used the machine code program to find the
notes, converting the character displayed to decimal, and then putting the number into
the data. Happy tune playing.
Option to give a mandolin effect insert the following
M. L. Trim
HELP! Has anybody seen Lawrence since this
shot was taken in INMC80-1? Have the Police
got him? Where is Heloise? Don’t watch this A
space for further details.