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By johnesposito
via programmers.stackexchange.com
Published: Aug 06 2012 / 23:33

We are often told that the hardware doesn't care what language a program is written in as it only sees the compiled binary code, however this is not the whole truth. For example, consider the humble Z80; its extensions to the 8080 instruction set include instructions like CPIR which is useful for scanning C-style (NULL-terminated) strings, e.g. to perform strlen(). What other examples are there?
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