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Path: ...!news.misty.com!weretis.net!feeder9.news.weretis.net!news.quux.org!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: olcott <polcott333@gmail.com> Newsgroups: comp.theory Subject: DDD correctly emulated by HHH --- Correct Emulation Defined 2 Date: Fri, 21 Mar 2025 19:02:24 -0500 Organization: A noiseless patient Spider Lines: 17 Message-ID: <vrkumg$2l2ci$2@dont-email.me> References: <vrfuob$256og$1@dont-email.me> <vrgme1$2tr56$1@dont-email.me> <vri5mn$6nv4$1@dont-email.me> <8354fe5751e03a767452a3999818d5c6da714a6b@i2pn2.org> <vrigh6$f35v$1@dont-email.me> <vrj6d3$14iuu$1@dont-email.me> <vrjog0$1ilbe$6@dont-email.me> <db8aa67218b2a0990cd1df38aca29dbd3930e145@i2pn2.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Sat, 22 Mar 2025 01:02:25 +0100 (CET) Injection-Info: dont-email.me; posting-host="8fc5f39d68b90f4b93314cf283c9eb8e"; logging-data="2787730"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+bqhB6X6kImQV4apKB7ovI" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:6oMBx0ZBiUpF2YiKwfLhOLEE8OM= Content-Language: en-US X-Antivirus-Status: Clean X-Antivirus: Norton (VPS 250321-4, 3/21/2025), Outbound message In-Reply-To: <db8aa67218b2a0990cd1df38aca29dbd3930e145@i2pn2.org> Bytes: 2020 DDD() [00002172] 55 push ebp ; housekeeping [00002173] 8bec mov ebp,esp ; housekeeping [00002175] 6872210000 push 00002172 ; push DDD [0000217a] e853f4ffff call 000015d2 ; call HHH(DDD) [0000217f] 83c404 add esp,+04 [00002182] 5d pop ebp [00002183] c3 ret Size in bytes:(0018) [00002183] For every HHH at machine address 000015d2 that emulates a finite number of steps of DDD according to the semantics of the x86 programming language no DDD ever reaches its own "ret" instruction halt state.