A XPA/XPA2 encoder.
prereqs: aplay
run:
git clone "https://github.com/Tails98/XPA-Encoder.git"
chmod +x tx rx
for XPA: ./tx id message
for XPA2: ./tx message
id format: 3 digits. EX: 456
message format: 5 digits each. seperated by a _. EX: 12345_67890