Votrax Type N' Talk Command Set
===============================


Text Class
---------

Upper and lower case letters, numbers, full stop, single quote.


Phonetic Class
--------------

"~", list of phonemes, "?"

Phonemes are $40-$FF


Null Data
---------

Non-printing except ESC 27 ($1B) is ignored
ESC, "Y", x, x is ignored
ESC, "=", x, x is ignored


Unit Assignment & Selection
---------------------------

ESC, 8-15 - assign unit number (0-7)
ESC, 0-7 - select unit number (0-7)

Assignment cascades downstream, incrementing unit number.


Mode Selection
--------------

ESC, 17 ($11) - PSEND on
ESC, 18 ($12) - PSEND off *
ESC, 19 ($13) - ECHO on *
ESC, 20 ($14) - ECHO off
ESC, 21 ($15) - CAPS on
ESC, 22 ($16) - CAPS off *
ESC, 23 ($17) - TIMER off
ESC, 24 ($18) - RESET

Defaults marked with '*'.


PSEND Mode
----------

Transmit phoneme code to RS-232 instead of to SC-01.


ECHO Mode
---------

Transmit received data to RS-232.


CAPS Mode
---------

Words with two or more initial capital letters are spelled letter by
letter (acronyms).

Capitalized words are translated as normal.


Timer Mode
----------

Approx 4 seconds after last character is received word is translated.


Commands
--------

BS (8) - deletes last character in input buffer.

CR (13) - data in input buffer is translated.

BREAK - speech out is cancelled.