Re: [cc65] DA65 GEOS Disassembly?

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From: Todd Elliott (eyeth_at_videocam.net.au)
Date: 2003-10-29 15:18:03


On Wed, 29 Oct 2003, Ullrich von Bassewitz wrote:
> On Wed, Oct 29, 2003 at 04:17:30PM +1030, Todd Elliott wrote:
> > Most indirect Y addressing mode instructions were disassembled properly,
> > but quite a few were disassembled as indirect X addressing mode
> > instructions.
> Can you give me an example?
>
Hello.

It seems that the actual cmp ($00),y instruction is disassembled as a cmp
($00,x) instruction. However, some cmp ($00),y instructions were
disassembled properly. The $00 in the example refers to any number.

Secondly, is there a good freeware file compare utility for Windows or
LINUX? I'm using HexCmp 2.0.0.3, a windows utility, but it is
shareware/commercial. This is how I was able to catch most errors
generated by DA65, by comparing the compiled disassembly against the
original binary.

Enjoy.
-- 
Todd Elliott
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