12/3/2009

Nomadness: Maudlin Front Panel Retrospective

http://nomadness.com/blog/2009/03/maudlin-front-panel-retrospective.html

There were 8 interrupt channels, 64 bits each of input and output, a graphics subsystem using a pair of 8-bit multiplying DACs outputting X-Y to my Tek 7504 oscilloscope from a DMA display list, and a painfully slow math co-processor made from a Taylor-Series calculator chip with kluged BCD and 7-segment interface (mostly because I was intimidated by writing floating-point routines). I remember the night it drew a lovely (sin X)/X curve… took HOURS and I had consumed half a bottle of Jack Daniels by the time it was done, but it was a thing of beauty, I tellya what.

Steve Roberts can write about the joy of hacking about with hardware and software better than anyone else. Even if you don’t understand it all, it’s a joy.


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