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A comment on Asmttpd: Web server for Linux written in amd64 assembly (2017). Parent comment

Re:Asmttpd: Web server for Linux written in amd64 assembly (... by pwg on Friday July 13, 2018 @11:21PM (#17528616)
Another one: the old Z-80 CPU had two sets of registers, and a single instruction to swap between the main and the alternate register set.

http://landley.net/history/mirror/cpm/z80.html (search for "alternate registers").

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Re:Asmttpd: Web server for Linux written in amd64 assembly (... by nineteen999 on Monday July 16, 2018 @12:49AM (#17538838)
Sadly it appears that none of the Z80 C compilers (at least the ones I've used, Hi-Tech C and sdcc) are smart enough to use it.
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