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| -rw-r--r-- | computerenhance.md | 3 |
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diff --git a/computerenhance.md b/computerenhance.md index b43f62f..5bcf417 100644 --- a/computerenhance.md +++ b/computerenhance.md @@ -669,6 +669,9 @@ CPU only understand memory in register and simple operations on these bytes.1 # 25. [New Schedule Experiment](https://www.computerenhance.com/p/new-schedule-experiment) # 26. [Simulating ADD, SUB, and CMP](https://www.computerenhance.com/p/simulating-add-jmp-and-cmp) Signed flag is set when the highest bit (sign bit) is set. +`cmp` instructions are ways to turn arithmetic instructions in comparison. +Arithmetics setting the flags is so that you could save on cmp instructions. + # 27. [Simulating Conditional Jumps](https://www.computerenhance.com/p/simulating-conditional-jumps) # 28. [Response to a Reporter Regarding "Clean Code, Horrible Performance"](https://www.computerenhance.com/p/response-to-a-reporter-regarding) |