>> I've looked at the Y decoder on the 6561 (PAL) chip. > > Sorry if I didn't follow the discussion, but what does "look" mean? Look at this: http://visual6502.org/images/pages/ MOS_6561_VIC_die_shots.html (I don't make the pictures, I just look at them, fwiw). > Are you opening up the chip and looking with an electron > microscope, using some kind of oscilloscope or some other means to > tap what's going on inside? I mean, is this a process other people > could perform too or would you need samples of chips to analyze? It's just optical pictures. The chip will usually become non-functional (imaging a broken chip is just fine as well though, unless you managed to blow it up really catastrophically :-) ) Segher Message was sent through the cbm-hackers mailing listReceived on 2011-08-26 17:00:12
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