Commodore 1650 User Manual page 23

TERMINAL PROGRAM EXPLANATION
Line Number
100 Opens channel to modem
110 Dimensions input and output buffers
200 Places special characters into transmitting array
210 Enters carriage return, disables SHIFT in 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 fl keys as break keys
260 - 290 Define the receiving array (F%) to be identical
to the sending array (T%)
300 Clears the screen
310 - 330 Read from the modem and prints that character on the
screen
340 Resets the quote mode
360 - 390 Place a cursor on the screen for ease of reading and
writing
*400 Checks modem before sending characters
* Delete line 400 if you are using a Commodore 64.
You can add the following line to your program to give the standard start
and stop commands:
255 T % (137)=03:T%(134)=17:T%(138)=19
T% (137) turns the f 2 key into a control C
T% (134) turns the f 3 key into a control Q
T % (138) turns the f 4 key into a control S
AUTCMODEM
Explanation
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