David Shoemaker (RhoTech) wrote:
>
> > You also need to disable the watchdog reset. I lift the reset pin on my
> > nop test cpu's and make a simple reset with a capacitor and pullup
> > resistor. The nops that I make are just the cpu with the legs bent back
> > over the body of the chip, wire the data pins (bent back) to the NOP
> > instruction, lift the reset pin, and bend it over, then conect the mess
> > to the +5 and Gnd legs (carefully). Works well...
> >
> What exactly are the data pins for the NOP instruction?
>
> David
The NOP operation on the 6502 is EA which would be (msb)11101010(lsb) in
binary.
jess
-- Jess M. Askey *** Coming Soon - The Game Archive *** Game Spot/Audio Analyst * Pinball, Video, Parts, Collecting * 509 S. 2nd Street Unit B * http://www.gamearchive.com * Laramie WY 82070 **************************************Received on Tue Jan 27 18:04:11 1998
This archive was generated by hypermail 2.1.8 : Fri Aug 01 2003 - 00:31:08 EDT