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#1 |
Zone Friend
Join Date: May 2006
Location: France
Posts: 1,835
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68000 minimal list of opcodes to know
Hi, Is there a minimal list of 68000 opcodes to know available ? I don't know if WinUAE is able to display opcodes used by a given program to build such list if it doesn't exist. That way maybe it can be easier to learn 68000, avoiding learning unecessary opcodes, like Link or others. I remember having posted here a Sega games list but the game was not played. I also found this but it seems pretty low. http://dfsmith.net/Historic/dfsmith/...notes/68000.ps I also found this pretty low number too. http://www.mactech.com/articles/mact...ion/index.html Kamelito
Last edited by kamelito; 14 September 2013 at 20:05. |
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#2 |
Registered User
Join Date: Apr 2005
Location: digital hell, Germany, after 1984, but worse
Posts: 3,385
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The minimum is 4E75
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#3 |
move.l #$c0ff33,throat
Join Date: Dec 2005
Location: Berlin/Joymoney
Posts: 6,863
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While PeterK's answer is spot on
![]() move/moveq lea add/sub/mulu/muls/divu/divs rts ![]() These should get you going I think. |
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#4 |
Zone Friend
Join Date: May 2006
Location: France
Posts: 1,835
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RTS ?
Thanks I already know some of them at least I did back in the day. I've been watching Photon Hardware programming tutorials (youtube) pretty nice, I'll play around with hardware banging for the fun of it. Kamelito |
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#5 |
move.l #$c0ff33,throat
Join Date: Dec 2005
Location: Berlin/Joymoney
Posts: 6,863
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#6 |
AMOS Extensions Developer
Join Date: Jun 2007
Location: near Cambridge, UK
Age: 44
Posts: 1,924
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RTS ($4E75) is the only one I know, because I often use it in the WinUAE debugger to jump out of my subroutines that are either bugged (and heading for crashville if I don't RTS) or stuck in a loop (which I suppose is a bug...
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#7 | |
old bearded fool
Join Date: Jan 2010
Location: Bangkok
Age: 56
Posts: 779
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Quote:
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#8 |
Moderator
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found this thread and this might be useful for you..
![]() ok, its all binary but not hard to translate them into hex.. ![]() http://goldencrystal.free.fr/M68kOpcodes.pdf |
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#9 |
Zone Friend
Join Date: May 2006
Location: France
Posts: 1,835
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