Warning: mysqli::__construct(): (HY000/1203): User howardkn already has more than 'max_user_connections' active connections in D:\Inetpub\vhosts\howardknight.net\al.howardknight.net\includes\artfuncs.php on line 21
Failed to connect to MySQL: (1203) User howardkn already has more than 'max_user_connections' active connectionsPath: ...!feed.opticnetworks.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: olcott Newsgroups: comp.theory,sci.logic Subject: Re: DDD correctly emulated by H0 Date: Tue, 25 Jun 2024 08:16:51 -0500 Organization: A noiseless patient Spider Lines: 46 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Tue, 25 Jun 2024 15:16:51 +0200 (CEST) Injection-Info: dont-email.me; posting-host="422dd2162c45ab1a09b084523bb5ca66"; logging-data="1659707"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19/jW7ioXiO7SOTqqc7286A" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:1q3M+DCqxizDrrDXbgFY8V8sJ8o= In-Reply-To: Content-Language: en-US Bytes: 3259 On 6/25/2024 4:22 AM, joes wrote: > Am Sat, 22 Jun 2024 13:47:24 -0500 schrieb olcott: >> On 6/22/2024 1:39 PM, Fred. Zwarts wrote: >>> Op 21.jun.2024 om 15:21 schreef olcott: > >> When we stipulate that the only measure of a correct emulation is the >> semantics of the x86 programming language then we see that when DDD is >> correctly emulated by H0 that its call to H0(DDD) cannot possibly >> return. > Yes. Which is wrong, because H0 should terminate. > typedef void (*ptr)(); int H0(ptr P); void DDD() { H0(DDD); } int main() { H0(DDD); } _DDD() [00002172] 55 push ebp ; housekeeping [00002173] 8bec mov ebp,esp ; housekeeping [00002175] 6872210000 push 00002172 ; push DDD [0000217a] e853f4ffff call 000015d2 ; call H0(DDD) [0000217f] 83c404 add esp,+04 [00002182] 5d pop ebp [00002183] c3 ret Size in bytes:(0018) [00002183] The call from DDD to H0(DDD) when DDD is correctly emulated by H0 cannot possibly return. Until you acknowledge this is true, this is the only thing that I am willing to talk to you about. -- Copyright 2024 Olcott "Talent hits a target no one else can hit; Genius hits a target no one else can see." Arthur Schopenhauer