17 Nov
1997
17 Nov
'97
8:33 a.m.
<A little bit of head banging and we realized that to read paper tape, all y
<need is a hand scanner, dark background, some kind of rig to hold the scann
<in position above a 1" channel and, well, programming as appropriate.
smashing ants with atomic cannon.
The simplest form of scanner is 9 photocells(photo transistor or diode)
lined up under the tape, light above and the 9th (sproket hole connectd to
the data available(or ack) of a parallel port such as the PC printer port.
Tape movement, pull by hand. should be good for 300->3000 char sec easily.
It's trivial hardware.
Program:
Copy LPT: file.tap
Done.
Allison