Re: Help!, op-codes

To: CALC-TI@LISTS.PPP.TI.COM
Subject: Re: Help!, op-codes
From: Vincent Fiduccia <Vincent99@AOL.COM>
Date: Wed, 3 Feb 1999 17:13:48 EST
Reply-To: Vincent99@AOL.COM

>>I am not exactly sure what opcodes you are talking about, but I have
attached a
>>list of all the assembly language opcodes of the Z80 processor (I believe
the
>>TI-89 uses a Z80 CPU). I have an 83, so I don't know anything about the 89,
but
>>I hope this helps.
>
>The 89 doesn't use the Z-80.  It uses the Motorola 68000 (the chip used in
>the original Macintosh, Atari ST, Commodore Amiga among others).  Some info
>can be found at
>
>http://www.ticalc.org/fileinfo/0/42.html
>
>Tom Lake
>ICQ # 25589135

The original Mac(128k), "Fat" Mac(512k), plus, and SE(?) all used 68000s.

Anyway, If you call Motorola and ask nicely they'll send you any manuals you
ask for on any of their stuff for free.  They probably also have it on their
website by now.  The one you're probably looking for is "M68000 User's
Manual", Motorola part #M68000UM/AD.  You'll also need to know about the
functions in the 89 ROM to do anything useful...info on that can be found at
TI's calc page.

HTH,

Vincent

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