Reading the old C3's.

Ross Myers ponty at axis.jeack.com.au
Thu Aug 26 13:07:49 GMT 1999


>If you HALT the processor, if will declare the BusAvailable, and stop
>driving the address lines.  R/~W will go high, and E will continue to
>cycle.  If you supply an address, you can read any memory location.
>However, the data bus will only be driven while E is high.  Unless you
>can syncronize the EPROM reader to E, you'll need a latch to hold the data.


So just put a 74hc573 on D0-D7, and use E for LE?.

Thanks

Ross Myers







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