Add TRS-80 model 100 instruction

converter/ascii_usb/README

@@ -28,6 +28,11 @@ Limitation
 
 
 
-Scan code
+TRS-80 model 100
----------
+----------------
-ASCII code(0x01-7F)
+Use TELCOM program with setting: 19200bps/8bit/odd parity/1stop bit
+To set this configuration push Stat(F3) and input '9801D,10'. Then push Term(F4) to connect.
+
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+