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TAPEMON

Tapemon is a Apple-I tool that helps finding the optimal playback volume to the ACI audio cassette interface.

How to use it

Load tapemon.0280.bin on the Apple-1 and execute it with 280R.
Connect your playback device (PC, Smartphone, iPod etc) to the ACI
Play the file packets.wav contained in packets_wav/packets.zip archive. The file will send a continous stream of small data packets that are catched by the program running on the Apple-1. Each packet is 64 bytes long.

For each received packet a character will be displayed:

* indicates a good packet
. indicates packet not received
an hex digit 0-F indicates the packet is partially corrupt

Adjust the volume level so that you have a lot of *.