this post was submitted on 15 May 2025
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I set all 8 bits to 1 because I want it to be really true.
I was programming in assembly for ARM (some cortex chip) and I kid you not the C program we were integrating with required 255, with just 1 it read it as false
01111111 = true
11111111 = negative true = false
00001111 = maybe
10101010 = I don’t know
00000001 00000000 00001111 10101010
You jest, but on some older computers, all ones was the official truth value. Other values may also have been true in certain contexts, but that was the guaranteed one.