http://macintoshgarden.org/taxonomy/term/3427/0 en http://macintoshgarden.org/apps/sim020 <div class="field field-type-filefield field-field-file"> <div class="field-label">Application file:&nbsp;</div> <div class="field-items"> <div class="field-item odd"> <div class="filefield-file"><img class="filefield-icon field-icon-application-octet-stream" alt="application/octet-stream icon" src="http://macintoshgarden.org/sites/all/modules/filefield/icons/application-octet-stream.png" /><a href="http://macintoshgarden.org/sites/macintoshgarden.org/files/apps/sim020_0.1.sea_.bin" type="application/octet-stream; length=29440">sim020_0.1.sea_.bin</a></div> </div> </div> </div> <p>Sim020 was an experimental system utility created in 1990 by Boris Klug in attempt to show that a computer with the original Motorola 68000 processor can emulate the Motorola 68020 processor, even though the 68020 is newer than the 68000, by converting possible 68020-only instructions in the Finder code that would otherwise cause an "illegal instruction" bomb screen on a 68000-based Macintosh to the equivalent 68000 code before execution.</p> <!-- google_ad_section_start --><div class="field field-type-content-taxonomy field-field-category-app"> <div class="field-label">Category:&nbsp;</div> <div class="field-items"> <div class="field-item odd"> Utilities </div> </div> </div> <!-- google_ad_section_end --><div class="field field-type-content-taxonomy field-field-author"> <div class="field-label">Author:&nbsp;</div> <div class="field-items"> <div class="field-item odd"> Boris Klug </div> </div> </div> <div class="field field-type-content-taxonomy field-field-year"> <div class="field-label">Year released:&nbsp;</div> <div class="field-items"> <div class="field-item odd"> 1991 </div> </div> </div> <div class="field field-type-text field-field-system"> <div class="field-label">System:&nbsp;</div> <div class="field-items"> <div class="field-item odd"> System 6.x </div> <div class="field-item even"> System 7.0 - 7.6 </div> </div> </div> <div class="field field-type-text field-field-emulation"> <div class="field-label">Emulation:&nbsp;</div> <div class="field-items"> <div class="field-item odd"> Mini vMac (68k) </div> </div> </div> <div class="field field-type-text field-field-architecture"> <div class="field-label">Architecture:&nbsp;</div> <div class="field-items"> <div class="field-item odd"> 68k </div> </div> </div> <div class="field field-type-filefield field-field-manual"> <div class="field-label">App&#039;s manual:&nbsp;</div> <div class="field-items"> <div class="field-item odd"> <div class="filefield-file"><img class="filefield-icon field-icon-text-plain" alt="text/plain icon" src="http://macintoshgarden.org/sites/all/modules/filefield/icons/text-plain.png" /><a href="http://macintoshgarden.org/sites/macintoshgarden.org/files/manuals/sim020_readme.txt" type="text/plain; length=1281">sim020_readme.txt</a></div> </div> </div> </div> <p><a href="http://macintoshgarden.org/apps/sim020" target="_blank">read more</a></p> http://macintoshgarden.org/apps/sim020#comments Utilities 1991 Boris Klug Mon, 28 May 2012 09:48:33 +0000 IWishTodayWasStill2004 5692 at http://macintoshgarden.org