At 06:44 PM 6/2/98 +0100, you wrote:
>> It was just two precision resistor networks connected through
>> CMOS drivers to the address lines of the C64. One network for
>> the lower 8 address lines and one for the upper 8. When the two
>> networks were connected to the XY inputs of a oscilloscope, you
>> had a 256 by 256 pixel display of where in memory the 6510
>> was executing.
>
>That wasn't the first time that trick had been published in Byte. Steve
>Ciarcia used it in one of his earlier Circuit Cellar articles. But it's a
>very useful trick, and deserves to be shown again.
There was a guy who was selling videos of (I guess) the same sort of thing
for the Mac at the first VCF. Sam can probably get you info. I thought it
was neat, but being perpetually broke, didn't go for it.
--------------------------------------------------------------------- O-
Uncle Roger "There is pleasure pure in being mad
roger_at_sinasohn.com that none but madmen know."
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Received on Thu Jun 04 1998 - 02:05:16 BST