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From: Alexander Ausserstorfer <bavariasound@chiemgau-net.de>
Newsgroups: comp.sys.acorn.programmer
Subject: Re: File type of machine code? Where does it start?
Date: Sun, 08 Jun 2025 18:32:24 +0200 (Custom)
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In article <lKm*MFveA@news.chiark.greenend.org.uk>,
   Theo <theom+news@chiark.greenend.org.uk> wrote:
> Alexander Ausserstorfer <bavariasound@chiemgau-net.de> wrote:

>> What is the file type of machine code? In Bruce Smith book "Raspberry Pi
>> Assembly Language" he saves a block of memory with the command *save
>> <filename> <startaddr>+<length>. The saved file has no file type. By a
>> double click the code is running from the desktop in single mode, though.
>>
>> Where do I find the starting point of such a code? What is the address
>> where the machine code is starting?

> This is the territory of executable formats.

[...]

Many thanks! I found the Appendix D: Code file formats in RISC OS 3
Programmer's Reference Manual Volume 4. I'm not sure if I will
understand that all. It's a shame that I never read about that in the
GAG-News or any other publication in a clear understandable way.

A.

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