Tape Data Recorder

http://www.mikekohn.net/micro/tape_data_recorder.php This is basically a tape backup system for software done similar to how it was done in the late 70's and early 80's. A W65C265SXB (65C816 based) board programmed so data can be sent from a PC to the board, encoded as a series of beeps through the TG0 pin, and recorded on an audio cassette tape. The data can then be played back to the computer (as demonstrated in this video) to an LM567 chip, back into the SXB board which decodes the lengths of the beeps into 0's and 1's, and saved back into a file (or printed to the screen).