sequential (49) Gap checking
https://kamchihau.blogspot.com/2022/12/httpskamchihau.html
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Ref: https://wodewangzhishime.blogspot.com/2022/02/httpswodewangzhishime_26.html .
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Gap checking is used in both telecommunication and integrated circuit.
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John: See this articles. https://kamchihau.blogspot.com/2022/12/httpskamchihau.html . It mention the gap-checking point check the gap between 2 SIM cards.
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Me: In another words, the gap-checking point check the gaps between 2 physical address.
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John: You're correct.
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Me: Indeed, gap-checking is needed in integrated circuit. Let me explain the above picture.
John: Go ahead.
Me: No matter how register 1 and register 2 are close to each others, there must be gap.
John: If there's no gap between them, we can't distinguish between register 1 and register 2.
Me: Excellent.
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John: Now, Register 1 and 2 both output their datas on to the output line. Those datas don't directly enter the cache.
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Me (shaking head): No, they don't directly enter the cache for cache-checking.
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John: What do they do first?
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Me: They must enter the gap-checking point first. Let me explain it in code.
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John: Go ahead.
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if (gap-checking = true)
{
Datas of register 1 or register 2 enter the cache for "cache checking".
}
else if (gap-checking = false)
{
Datas of register 1 or register 2 don't enter the cache for "cache checking".
}