re: Re: A89: the a68k assembler and how it makes machine code
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re: Re: A89: the a68k assembler and how it makes machine code
You can order it from motorolas site (www.mot-sps.com)
i dont remember the exact URL but its called literature ordering... and you
order the book M68000PM/AD on the order form and they will send it free
At 10:57 PM 11/8/99 -0600, you wrote:
>
>where do you get this manual? (thanks for the info dude!)
>
>
>> ** Original Subject: Re: A89: the a68k assembler and how it makes
machine code
>> ** Original Sender: Olle Hedman <oh@hem.passagen.se>
>> ** Original Date: Tue, 09 Nov 1999 05:53:47 +0100
>
>> ** Original Message follows...
>
>>
>> more like the latter.
>>
>> If you look in your manual you can get free from motorola, you can find
exactly
>> what codes all the instructions have. The assembler has a table like this
>> (sortof) and find the word "rts" , looks in his big table and sees that
rts is
>> equal to $4E75, and then put $4E75 in that position in the resulting
binary.
>>
>> //Olle
>>
>> mxpxfifws@yahoo.com wrote:
>> >
>> > I don't really get that. Where does it come up with the $4E75? Is it
an algorythm or
>does it
>> > have all the code in the program and it just pulls it out of its butt?
Thanks for responding!
>> >
>> > > ** Original Subject: Re: A89: the a68k assembler and how it makes
machine code
>> > > ** Original Sender: Andrew Magness <AndrewM@ev1.net>
>> > > ** Original Date: Mon, 08 Nov 1999 22:43:07 -0800
>> >
>> > > ** Original Message follows...
>> >
>> > >
>> > > It knows the hex equate of the code you assemble...
>> > >
>> > > I.E.
>> > >
>> > > the compiler knows that
>> > >
>> > > RTS = $4E75
>> > >
>> > > so whenever the compiler comes to an rts in the code it replaces
$4E75 for
>> > > rts.
>> > > and so on until all the code is assembled...
>> > >
>> > > get it?
>> > >
>> > >
>> > >
>> > > At 10:38 PM 11/8/99 -0600, you wrote:
>> > > >
>> > > >Ok, I'm not very new at assembly language (been programming for a year
>> > > now), but I still
>> > > >don't understand how an assembler works. How does it change all
the code
>> > > you put in to
>> > > >machine code. In fact, how does it calculate all the hex code? If
>> > > someone could explain all
>> > > >this or just give me a website to visit, I would be greatly
appreciative.
>> > > Thanks!
>> > > >Bryan
>> > > >
>> > > >
>> > > >
>> > > >Download NeoPlanet at http://www.neoplanet.com
>> > > >
>> > > >
>> > > >__________________________________________________
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>> > > >Bid and sell for free at http://auctions.yahoo.com
>> > > >
>> > > >
>> > > >
>> > >
>> >
>> > >** --------- End Original Message ----------- **
>> >
>> > >
>> >
>> > Download NeoPlanet at http://www.neoplanet.com
>> >
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>
>
>>** --------- End Original Message ----------- **
>
>>
>
>
>
>Download NeoPlanet at http://www.neoplanet.com
>
>
>__________________________________________________
>Do You Yahoo!?
>Bid and sell for free at http://auctions.yahoo.com
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>
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