Commodore VICMODEM VIC-20 - Page 10

Software
Explanation
Line Numbers)
Explanation
100
Opens
channel to modem
1
10
Dimensions input and
output buffers
200
Places
special characters into
transmitting
array
210 Enters
carriage
return, disables
Shift into
the
array and
defines the
reverse key
220 Enters
lower case
characters into
the array
230
Enters special
characters into
the array
240
Enters
upper case
characters into the
array
250
Defines the
RVS/OFF and
f 1 keys as
break keys
260 thru
290
Defines the
receiving array (F%)
to be
identical to
the
sending array (T%)
300
Clears the
screen
310
thru 330 Reads
from the
modem and
prints that
character
on the
screen
340
Resets
the quote mode
360 thru
390 Places a
cursor on the
screen for ease
of reading
and writing
400
Checks modem
before sending
characters
You
can add the
following
line to
your
program to give
the
standard start and
stop
commands.
255 T%(1
37)=03: T%(1
34)=1 7: T%(1
38)=1
9
T%(1
37)
turns the f2 key
into a
control C
T%(134)
turns
the F3 kev
into a
control
Q
T%(138)
turns
the f4 key
into a
control S
8