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
Subject: DDD correctly emulated by EEE --- Correct Emulation Defined
Date: Sat, 22 Mar 2025 09:52:32 -0500
Organization: A noiseless patient Spider
Lines: 27
Message-ID: <vrmirg$5bpl$1@dont-email.me>
References: <vrfuob$256og$1@dont-email.me>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Injection-Date: Sat, 22 Mar 2025 15:52:35 +0100 (CET)
Injection-Info: dont-email.me; posting-host="0ec9c516aeb6faf287a21f372f67aa5c";
	logging-data="175925"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX1/xoBZqx0Oy8YPKXxqhJCGH"
User-Agent: Mozilla Thunderbird
Cancel-Lock: sha1:yL6BI1IMdDFj1YQKyLH4PC0Un5A=
In-Reply-To: <vrfuob$256og$1@dont-email.me>
X-Antivirus: Norton (VPS 250322-2, 3/22/2025), Outbound message
Content-Language: en-US
X-Antivirus-Status: Clean
Bytes: 2165

_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 EEE(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 finite integer N instructions of the above x86
machine language DD are emulated by each x86 emulator
EEE[N] at machine address [000015c3] according to the
semantics of the x86 language no DD ever reaches its own
"ret" instruction at machine address [00002155] and
terminates normally.

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