Parallel Port Possible?

General discussions related to the Altair 8800 Clone
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toml_12953
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Parallel Port Possible?

Post by toml_12953 »

Would it be possible to update the Clone's firmware to let one of the serial ports to act like a parallel port? The OP paper tape reader looks cool even though I already have a high-speed reader/punch unit thanks to one of your earlier videos, Mike.
AltairClone
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Re: Parallel Port Possible?

Post by AltairClone »

The Clone already supports two of the common Altair parallel ports through a Clone serial port: The output and status port on the 88-LPC and the output and status port on the 88-C700. Similarly, it would not be difficult to “act like” the 88-PIO parallel interface board as well. However, electrically, it would still be a serial port, not a parallel port. It could not properly interface to a parallel device like the OP-80A paper tape reader.

Mike
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