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SubjectRe: oh my gawd... Reply to this message
Posted byerikduijs
Posted on08/04/04 06:00 PM



> > I am *trying* to do it with a more generic OO approach and less code, but man
> > it's not an easy one.
>
> I wonder if this is one of those cases where OO actually makes things more
> difficult. There are 68K emulators written entirely in C such as the one in MAME
> so you might want to give those a look.
>

Yes, I saw the MAME code. It looks mighty complex to me, but maybe that's just me :-)
I think I'll have a basic concept down, although I haven't implemented any instructions yet (except for ADD/ADDA). I'm still struggling to get the addressing modes down in a generic way, so I won't have to implement so many different versions of the same instruction, or have too many branches in one instruction.
I don't know yet what I will encounter, but I feel I'm headed in the right direction. Now only hope I get it running fast enough...



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Entire Thread
Subject  Posted byPosted On
*Some 68k questions  erikduijs08/03/04 10:55 AM
.*Re: Some 68k questions  finaldave08/04/04 05:42 AM
..*Here's another link that might be helpful  erikduijs08/13/04 07:31 PM
..*Re: Link to user manual with timing info  Jan_Klaassen08/04/04 12:21 PM
...*Re: Link to user manual with timing info  finaldave08/05/04 05:32 AM
.*oh my gawd...  erikduijs08/04/04 03:29 AM
..*Re: oh my gawd...  Bart T.08/04/04 10:44 AM
....Re: oh my gawd...  erikduijs08/04/04 06:00 PM
....*Re: oh my gawd...  R. Belmont08/05/04 11:09 PM
.....*Re: oh my gawd...  erikduijs08/08/04 05:57 PM
.*Re: Some 68k questions  Jan_Klaassen08/03/04 02:13 PM
..*Re: Some 68k questions  Bart T.08/03/04 02:23 PM
...*Re: Some 68k questions  R. Belmont08/03/04 07:35 PM
....*Re: Some 68k questions  Riff08/04/04 03:16 PM
.....*Re: Some 68k questions  finaldave08/05/04 05:43 AM
....*Re: Some 68k questions  ElSemi08/04/04 05:11 AM
.....*Re: Some 68k questions  R. Belmont08/04/04 06:42 PM
.....*Re: Some 68k questions  erikduijs08/04/04 05:48 AM
....*Re: Some 68k questions  erikduijs08/04/04 03:05 AM