By using the ROTATE command, you are not putting a new value directly into the mix of what value each bit should have, you are only assuming that the 1 that is rotating, will continue to exist. If you use write commands, then it is not so easy to tell whether a specific bit is accepted by the RAM or Read by the CPU correctly.what is the use of walking one and zero patten in verifying the memory.
my doubt is if i'm verifying the memory of depth 64 of 8bit wide then 0th location and 8th location consist of same data it may be 00000001 or 11111110 and there is chance that when i'm accessing the 8th location it may read 0th location due to the designer fault. in that case this technique will fails. is there any chances to avoid this!Apart from this thread being 8 years old, you should first read and understand the explanation in post#2 before stupidly repeating the original question.
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by Jake Hertz
by Jake Hertz