TIP: Click on subject to list as thread! ANSI
echo: 80xxx
to: STEVEN HANCOCK
from: MAX MAISCHEIN
date: 1997-12-18 00:00:00
subject: pure Hex Programming

 >> [...] ? I'd like to know how to program a
 >> tiny hex program using the 8086 opcodes without using any kind of
 >> assembler, including the DOS debug. Does anyone know how?
 > You'll want a hex-editor, there are several of them available for
 > DOS, Windows, and OS/2.  [...]
 > You could try this
 > little five byte file though, enter the following hex codes into
 > your hex editor and save as BOOT.COM:
 > EA F0 FF 00 F0
 > DO NOT run this from within a multitasker, and if you're using any
 > disk cache
 > with write-behind caching be sure to flush the cache before
 > running this, it
 > jumps into your BIOS to reboot the machine.
I don't exactly know, what kind of unstable multitasking operating system you 
are using, but under the OS of my choice, NT4, this opcode simply terminates 
the program that executes that instruction (in this case, DEBUG.COM)...
 >  - steve
 >    Team OS/2
           ^^^^^
Hmm ;-)))))))))), OK, so you were surely talking of the other multitasking 
operating systems and not yours, I gather ;-)
-max
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