Path: ...!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,comp.lang.c,comp.lang.c++
Subject: Re: DD correctly emulated by HHH --- Totally ignoring invalid
 rebuttals
Followup-To: comp.theory
Date: Mon, 3 Mar 2025 21:50:12 -0600
Organization: A noiseless patient Spider
Lines: 51
Message-ID: <vq5t9l$1j128$7@dont-email.me>
References: <vq5qqc$1j128$2@dont-email.me> <vq5s9u$1irtp$3@dont-email.me>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
Injection-Date: Tue, 04 Mar 2025 04:50:13 +0100 (CET)
Injection-Info: dont-email.me; posting-host="d0de033b97a9a15f8622a43551d3a9ba";
	logging-data="1672264"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX1/kSJuKx3RbX5Dn7Bhw+Q6N"
User-Agent: Mozilla Thunderbird
Cancel-Lock: sha1:M6mEe+iByytn9cuHrkw7GZ4dadI=
In-Reply-To: <vq5s9u$1irtp$3@dont-email.me>
Content-Language: en-US
X-Antivirus: Norton (VPS 250303-10, 3/3/2025), Outbound message
X-Antivirus-Status: Clean
Bytes: 2962

On 3/3/2025 9:33 PM, dbush wrote:
> On 3/3/2025 10:07 PM, olcott wrote:
>> int DD()
>> {
>>    int Halt_Status = HHH(DD);
>>    if (Halt_Status)
>>      HERE: goto HERE;
>>    return Halt_Status;
>> }
>>
>> _DD()
>> [00002133] 55         push ebp      ; housekeeping
>> [00002134] 8bec       mov ebp,esp   ; housekeeping
>> [00002136] 51         push ecx      ; make space for local
>> [00002137] 6833210000 push 00002133 ; push DD
>> [0000213c] e882f4ffff call 000015c3 ; call HHH(DD)
>> [00002141] 83c404     add esp,+04
>> [00002144] 8945fc     mov [ebp-04],eax
>> [00002147] 837dfc00   cmp dword [ebp-04],+00
>> [0000214b] 7402       jz 0000214f
>> [0000214d] ebfe       jmp 0000214d
>> [0000214f] 8b45fc     mov eax,[ebp-04]
>> [00002152] 8be5       mov esp,ebp
>> [00002154] 5d         pop ebp
>> [00002155] c3         ret
>> Size in bytes:(0035) [00002155]
>>
>> DD correctly emulated by HHH cannot possibly
>> reach its own "ret" instruction and terminate normally.
>>
>> The only valid rebuttal is to show all of the steps of
>> exactly how DD correctly emulated by HHH reaches its
>> own "ret" instruction.
>>
> 
> Suppose we accept that HHH is able to correctly determine that replacing 
> the code of HHH with an unconditional simulator and running HHH(DD) will 
> not halt.
> 
> Then what?

That is not a valid rebuttal and your paraphrase of
these words is inaccurate:

DD correctly emulated by HHH cannot possibly reach
its own "ret" instruction and terminate normally.


-- 
Copyright 2025 Olcott "Talent hits a target no one else can hit; Genius
hits a target no one else can see." Arthur Schopenhauer