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From: olcott <polcott333@gmail.com>
Newsgroups: comp.theory
Subject: Re: DD emulated by HHH cannot possibly terminate normally --- x86
 code
Date: Sat, 1 Mar 2025 19:52:33 -0600
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On 3/1/2025 7:39 PM, dbush wrote:
> On 3/1/2025 8:09 PM, olcott wrote:
>> On 3/1/2025 6:24 PM, dbush wrote:
>>> On 3/1/2025 7:01 PM, olcott wrote:
>>>> On 3/1/2025 5:52 PM, dbush wrote:
>>>>> On 3/1/2025 6:47 PM, olcott wrote:
>>>>>> On 3/1/2025 2:22 AM, Mikko wrote:
>>>>>>> On 2025-03-01 00:47:58 +0000, olcott said:
>>>>>>>
>>>>>>>> _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]
>>>>>>>>
>>>>>>>> When we hypothesize that the code at machine address
>>>>>>>> 0000213c is an x86 emulator then we know that DD
>>>>>>>> remains stuck in recursive emulation and cannot possibly
>>>>>>>> reach its own "ret" instruction and terminate normally.
>>>>>>>
>>>>>>> The emulator itself is stuck and cannot return normally but it 
>>>>>>> doesn't
>>>>>>> know it cannot return normally. At some point it runs out of memory
>>>>>>> and terminates normally or abnormally.
>>>>>>>
>>>>>>
>>>>>> Yes you are correct about this sub-step of two steps.
>>>>>>
>>>>>>>> When we add the additional complexity that HHH also
>>>>>>>> aborts this sequence at some point then every level
>>>>>>>> of recursive emulation immediately stops. This does
>>>>>>>> not enable any DD to ever reach its "ret" instruction.
>>>>>>>
>>>>>>> When we add an additional complexity we must note that there are 
>>>>>>> other
>>>>>>> additional complexities that could be added instead.
>>>>>>>
>>>>>>
>>>>>> Sure we could carefully examine every detail about the price
>>>>>> of tea in China.
>>>>>>
>>>>>> When we are answering the question that seems impossible for
>>>>>> anyone here to pay attention to even when repeated hundreds of times:
>>>>>>
>>>>>> Can the above DD correctly emulated by HHH possibly
>>>>>> reach its own "ret" instruction and terminate normally?
>>>>>>
>>>>>> The answer is dead obviously "no" for everyone that is:
>>>>>> (a) Technically competent
>>>>>>    and
>>>>>> (b) Not deliberately deceptive.
>>>>>
>>>>> And by the same logic, no_numbers_greater_than_10 correctly 
>>>>> emulated by F cannot reach its own "ret" instruction, leading to 
>>>>> the conclusion that there are no natural numbers greater than 10, 
>>>>> and you are on record as admitting this is correct.
>>>>>
>>>>
>>>> By this exact same reasoning the following function
>>>>
>>>> void dbush_is-a-stupid_fool()
>>>> {
>>>>    return;
>>>> }
>>>>
>>>> Proves that dbush is a stupid fool.
>>>>
>>>
>>>
>>> I'll let you respond to yourself:
>>>
>>> On 7/22/2024 10:51 AM, olcott wrote:
>>>  > *Ad Hominem attacks are the first resort of clueless wonders*
>>>
>>>
>>
>> It was not an ad hominem attack because I know that you
>> are neither stupid nor a fool. Yet your reasoning was
>> both stupid and foolish. 
> 
> Yet you failed to explain why it was wrong, thereby admitting it was 
> correct.
> 

OK asshole if you only want to play head games I am done with you

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