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HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<title> Changes in Mini vMac 36 </title>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<link rel="canonical" href="v36.html">
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</head>
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<body>
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<div>
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<i> <a href="https://www.gryphel.com/index.html">www.gryphel.com</a>/c/<a href="../index.html">minivmac</a>/<a href="index.html">change</a>/v36
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- <a href="https://www.gryphel.com/c/feedback.html">feedback</a> </i>
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</div>
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<hr>
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<h3 align=center>
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Mini vMac 36 <!-- *<i>Beta</i>* -->
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</h3>
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<h3 align=center>
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Changes
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</h3>
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<hr>
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<p> What has changed in Mini vMac 36.04, compared to Mini vMac 3.5.8.
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This only lists changes that affect behavior, and so doesn't
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include cleanups of the source code. </p>
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<p> : </p>
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<p>
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default compile:
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</p>
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<blockquote>
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<p>
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<a href="v36.html#feature">New features</a>
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</p><p>
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<a href="v36.html#modified">Changed behavior</a>
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</p><p>
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<a href="v36.html#bugs">Bug fixes</a>
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</p>
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</blockquote>
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<p>
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not in default compile:
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</p>
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<blockquote>
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<p>
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<a href="v36.html#compile_feature">New features</a>
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</p><p>
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<a href="v36.html#compile_modified">Changed behavior</a>
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</p><p>
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<a href="v36.html#compile_bugs">Bug fixes</a>
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</p>
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</blockquote>
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<p>
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<a href="v36.html#build">Build System</a>
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</p>
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<p> : </p>
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<p> <a name="feature"> <b> New features in default compile </b> </a> </p>
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<!-- A new feature is something you would not notice if you used
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Mini vMac as you used it previously. If using it as you would previously
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would behave differently, that is "changed behavior". -->
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<!--
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<p> * None Yet. </p>
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</p>
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-->
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<p> *
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The new ‘P’ command of the Mini vMac
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<a href="../control.html#control_mode">Control Mode</a>
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copies to the clipboard (of the real computer, not the emulated
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computer) a string containing the options describing this
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variation of Mini vMac.
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</p>
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<p> *
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If the ROM image is not found in any of the locations that Mini vMac
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looks, the error can now be recovered from. You can drag the ROM image
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onto Mini vMac, and booting will resume. (Any of the methods that would
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normally mount a disk image will work to get the ROM, such as the Open
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dialog.)
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</p>
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<p> *
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The Cocoa version for OS X now looks for the ROM image in one
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additional place,
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“/Library/Application Support/Gryphel/mnvm_rom/”,
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which can be read by a Sandboxed application. To change
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“/Library/”, an administrative account is needed.
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(Sandboxing is off by default, there is a new build system option
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“<a href="../options.html#option_sbx">-sbx 1</a>”,
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to enable Sandboxing.)
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</p>
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<p> <a name="modified"> <b> Changed behavior in default compile </b> </a> </p>
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<!--
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<p> * None Yet. </p>
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-->
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<p> *
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The version numbering scheme has changed. Instead of
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“3.6.4”, it is “36.04”. The distinction between
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major and minor version numbers has not been useful. Instead there is
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now a single branch number. This allows more bug fix releases (up to 99
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instead of up to 9) without taking more space in the version string.
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</p>
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<p> *
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The Cocoa version for OS X is now normally signed with a certificate
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from Apple, so that the Gatekeeper feature of OS X will permit it to
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run by default. This was not done before because of some issues,
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and because those issues are still there, there is a new build system
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option “<a href="../options.html#option_sgn">-sgn 0</a>”
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to disable code signing.
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</p>
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<p> *
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The URL in the Mini vMac about message is now the main Gryphel Project
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page, rather than the Mini vMac page, mostly since it is shorter, in
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case anyone tries to type it in from here.
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</p>
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<p> *
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In the help screen (Control-H), and also the speed control screen
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(Control-S), there is now a single space after the letters on
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the left instead of two.
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</p>
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<p> *
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Mini vMac will no longer display “Abnormal Situation”
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reports, by default. There is a new build system
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option “<a href="../options.html#option_abr">-abr 1</a>”
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to enable them.
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</p>
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<p> <a name="bugs"> <b> Bug fixes in default compile </b> </a> </p>
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<!--
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<p> * None Yet. </p>
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-->
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<p> *
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Using Macsbug to step through code (with Command-S or Command-T) did not
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work properly in Mini vMac 3.5.x. An optimization to the main cpu
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emulation loop was not valid when the trace flag gets set, so the
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interrupt could happen one instruction later. I found a way to fix it
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which doesn’t change the optimized main loop, but just the code
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before and after. But it can change the timing of other kinds of
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interrupts by one instruction, potentially causing subtle differences in
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behavior anywhere.
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</p>
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<!--
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(This code has been disabled)
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<p> *
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The OS X Cocoa port now tries to work around Apple’s
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Path Randomization misfeature added in macOS Sierra (10.12).
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If an application that Apple thinks is trustworthy is bundled
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together with malicious library code in the same folder, the
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malicious code may be run by the application. The silly way that Apple
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has chosen to prevent this is to in effect move the application
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somewhere else before running it, so it can’t find the library
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code. It can’t find anything else in the application’s
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folder either, which is a problem for Mini vMac, which looks for things
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in its folder, such as the ROM image file. So now the Cocoa port
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of Mini vMac will try to find the original location of the
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application, and use that instead of the location it is running from,
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when looking for the ROM image and other things.
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(Mini vMac doesn’t look for external library code,
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so Path Randomization has no benefit.)
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This is done
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using some undocumented SecTranslocate calls as suggested by
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“<a href="https://objective-see.com/blog/blog_0x15.html">Objective-See</a>”
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and
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<a href="https://lapcatsoftware.com/articles/detect-app-translocation.html">Jeff Johnson</a>.
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</p>
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-->
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<p> *
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On a Retina screen in OS X, the window frame of Mini vMac would
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be drawn in low resolution. The Cocoa port now adds the
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key NSHighResolutionCapable to the Info.plist file, which
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seems to fix this. Thanks to Ryan for
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<a href="https://www.gryphel.com/c/mail/v8.html#m86">this fix</a>.
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</p>
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<p> *
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A memory leak is fixed in the Cocoa port for OS X, when exporting the
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clipboard. This was found by the Xcode Analyze feature.
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</p>
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<p> *
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On Windows, if Num Lock is on,
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the operating passes virtual key codes like VK_NUMPAD0 through
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VK_NUMPAD9, but if Num Lock is off, it passes virtual key codes like
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VK_LEFT, VK_RIGHT, VK_UP, and VK_DOWN. A flag bit indicates whether
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VK_LEFT means the left arrow key or the 4 key on the keypad. So
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now Mini vMac will check that flag, and map the keys on the keypad
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to the emulated Macintosh keypad, regardless of whether Num Lock
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is on. (But this doesn’t fully explain the reported issue.)
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</p>
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<p> <a name="compile_feature"> <b> New features not in default compile </b> </a> </p>
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<!--
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<p> * None Yet. </p>
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-->
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<p> *
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A new build system option
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“<a href="../options.html#option_lang">-lang cat</a>”
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selects a Catalan translation of the user interface by
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ArduinoXino.
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</p>
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<p> *
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A new build system option
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“<a href="../options.html#option_lang">-lang cze</a>”
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selects a Czech translation of the user interface by
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Anonymous.
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</p>
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<p> *
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A new build system option
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“<a href="../options.html#option_lang">-lang srl</a>”
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selects a Serbian translation of the user interface by
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SerbXenomorph.
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</p>
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<p> *
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A new build system option
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“<a href="../options.html#option_sgn">-sgn 0</a>”,
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for the Cocoa version for OS X, to disable code signing.
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</p>
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<p> *
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A new build system option
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“<a href="../options.html#option_sbx">-sbx 1</a>”,
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for the Cocoa version for OS X, to enable Sandboxing.
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</p>
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<p> *
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A new build system option
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“<a href="../options.html#option_gse">-gse 1</a>”,
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for the Cocoa version for OS X, which on computers with more than
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one GPU allows the operating system to change which one is used.
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Otherwise on a MacBook pro,
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<a href="https://www.gryphel.com/c/mail/v8.html#m89">it is reported</a> that
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the higher power discrete GPU is always used instead of the
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lower power integrated GPU, and that besides wasting power for no
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noticable benefit, it also takes time to switch on the discrete GPU
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when Mini vMac starts.
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“-gse 1” should probably become the default in the
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future. But I don’t have a MacBook pro to test it on, and
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I have a few questions about it.
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</p>
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<p> * New build system options
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“<a href="../options.html#option_hc">-hcr, -hcg, and -hcb</a>”
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select the initial value of red, green, and blue components
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of the highlight color in the Parameter RAM. The
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“<a href="../extras/getpram/index.html">GetPRAM</a>”
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tool can be used to get values for these options.
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This was
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<a href="https://www.gryphel.com/c/mail/v5.html#m38">requested</a>
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by Karl.
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</p>
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<p> * New build system options
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“<a href="../options.html#option_alc">-alc, -lcy, and -lcx</a>”
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allow manually setting the location fields
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in the Parameter RAM. The
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“<a href="../extras/getpram/index.html">GetPRAM</a>”
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tool can be used to get values for these options.
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</p>
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<p> * New build system options
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“<a href="../options.html#option_atz">-atz, -lcd, -lczs, and -lcz</a>”
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allow manually setting the time zone fields
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in the Parameter RAM. The
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“<a href="../extras/getpram/index.html">GetPRAM</a>”
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tool can be used to get values for these options.
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</p>
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<p> *
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The new build system option
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“<a href="../options.html#option_km">-km</a>”
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changes the mapping between keys on the real Keyboard and keys on
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the emulated Keyboard, or the Mini vMac Control Mode.
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</p>
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<p> *
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The new build system option
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“<a href="../options.html#option_ekt">-ekt <dst></a>”
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chooses which emulated key is toggled by
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the ‘K’ command of the Mini vMac
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Control Mode.
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</p>
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<p> *
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The new build system option
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“<a href="../options.html#option_svd">-svd 0</a>”
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disables the save dialog for OS X and Windows when exporting a
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file (as used by the Mini vMac extra
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<a href="../extras/exportfl/index.html">ExportFl</a>
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and other tools). Instead the exported file is saved in a folder
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named “out” without a dialog, as was previously done
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in the Linux version. This makes it easier to run Mini vMac
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in an automated script and get results out.
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</p>
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<p> *
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The new build system option
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“<a href="../options.html#option_iid">-iid 1</a>”
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enables an Insert Ith Disk Image feature.
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When this feature is enabled, if the Control key is held down
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and a number key from ‘1’ to ‘9’ is pressed,
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then Mini vMac will try to mount a disk image named from "disk1.dsk" to
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"disk9.dsk" in the folder containing the application.
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</p>
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<p>
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This is the same series of disk image names that are automatically
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mounted when Mini vMac is launched. But it stops at the first
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image not found. So if you leave a name unused, then you can
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use a control-number key to mount disks after launch. Or, you
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can use a control-number key to remount a disk that was automatically
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mounted at launch and then later ejected.
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</p>
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<p>
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One example use is if you have one copy of Mini vMac running
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a development environment (such as MPW) that is used to compile
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a program to a disk image. The disk image is then unmounted
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and mounted on another copy of Mini vMac running a testing
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environment. If the compiled program crashes badly, the
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development environment is not disturbed. The control-number key
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feature makes it easier to move the disk image back
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and forth between the two copies of Mini vMac.
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</p>
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<p> *
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The new option
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“<a href="../options.html#option_eci">-eci 0</a>”
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disables the ‘I’ command of the Mini vMac
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Control Mode,
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which presses the emulated Interrupt Button.
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In a future version, it may be disabled by default.
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(In the original Macintosh, the Interrupt Button was disabled
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by default. You needed to install the
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“Programmer’s Switch” to use it.)
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</p>
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<p> *
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The new option
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“<a href="../options.html#option_ecr">-ecr 0</a>”
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disables the ‘R’ command of the Mini vMac
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Control Mode,
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which presses the emulated Reset Button.
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In a future version, it may be disabled by default.
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(In the original Macintosh, the Reset Button was disabled
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by default. You needed to install the
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“Programmer’s Switch” to use it.)
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</p>
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<p> *
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The new option
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“<a href="../options.html#option_eck">-eck 0</a>”
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disables the ‘K’ command of the Mini vMac
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Control Mode,
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which toggles the emulated control key.
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In a future version, it may be disabled by default.
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(The original Macintosh did not have a control key. And, using
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this command accidently would be confusing.)
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</p>
|
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<p> <a name="compile_modified"> <b> Changed behavior not in default compile </b> </a> </p>
|
|
|
|
<!--
|
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-->
|
|
<p> * None Yet. </p>
|
|
|
|
|
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<p> <a name="compile_bugs"> <b> Bug fixes not in default compile </b> </a> </p>
|
|
|
|
<!--
|
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<p> * None Yet. </p>
|
|
-->
|
|
|
|
<p> *
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The game PowerMonger was
|
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<a href="https://www.gryphel.com/c/mail/v8.html#m109">reported</a>
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not to work in Mini vMac 3.5.8, though it worked in 3.4.1.
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This was due to a bug in emulating the TRAPcc instruction
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in the Macintosh II emulation.
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</p>
|
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<p> *
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If debug logging was turned on for the classic Macintosh port,
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and the log already existed when Mini vMac started, the
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log wasn’t cleared.
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</p>
|
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|
|
<p> <a name="build"> <b> Build System </b> </a> </p>
|
|
|
|
<!--
|
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<p> * None Yet. </p>
|
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-->
|
|
|
|
<!--
|
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<p> *
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The user interface of the build system is updated. It now implements
|
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Undo. There are commands to Cut/Copy/Paste using the Host Clipboard.
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It fixes an issue with autoscroll. A blinking busy indicator is
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implemented.
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</p>
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-->
|
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<p> *
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The build system is now a cross platform standard C command line tool to
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generate a script to write configuration files, as was done prior to
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Mini vMac 3, instead of a 68k Macintosh program to generate files to
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compile. This should allow the Variations Service to be more efficient,
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and is also more convenient for experienced programmers. The trade off
|
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is in making it harder for others to compile their own variations.
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</p>
|
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<p> *
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The default version of XCode chosen by the build
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system is now 9.4.1, the latest version supported. Since XCode is no
|
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longer used for official Mini vMac builds, there is no reason to default
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to the specific antique version previously used. Similarly,
|
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Microsoft Visual Studio 2017 is now the default version chosen for
|
|
that development environment.
|
|
</p>
|
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|
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<p> *
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|
Due to a compiler bug in Microsoft Visual Studio 2017,
|
|
optimizations are turned off for this development environment.
|
|
</p>
|
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|
<p> *
|
|
The new option
|
|
“<a href="../options.html#option_br">-br</a>”
|
|
is for future use and currently has no effect.
|
|
It tells the build system that the requested options were from a
|
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specific branch (version) of Mini vMac.
|
|
The new ‘P’ command of the Mini vMac
|
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<a href="../control.html#control_mode">Control Mode</a>
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gets the options from an existing variation, and
|
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includes this Branch setting. If the default
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settings have changed from since that older version,
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then the build system will use defaults of the old version,
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rather than the current defaults. So the newly generated
|
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variation behaves as close as possible to the earlier
|
|
variation.
|
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</p>
|
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<p>
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The ‘P’ command retrieves the options in a
|
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canonical form. It always generates a “-br”
|
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option for the current version, rather than copying
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any “-br” option passed to the build system.
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</p>
|
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|
<p> *
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|
If the new option
|
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“<a href="../develop.html#option_at">@</a>”
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|
is used, no developer options are permitted to the right of
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|
it. This will allow the Variations Service to allow the
|
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user to specify options as text without the chance of breaking
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the service.
|
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</p>
|
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|
|
<!--
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<p> *
|
|
The new option
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“<a href="../develop.html#option_no_src">-no-src 1</a>”
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causes the build system
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to only generate the configuration files and not save the source
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|
files.
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|
When the options
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“<a href="../develop.html#option_cfg">-cfg 1</a>”
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and
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|
“<a href="../develop.html#option_all_src">-all-src 1</a>”
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|
are used together, the generated source folder is identical for
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all variations. So it could save time to not generate it
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|
for every variation.
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</p>
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-->
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<!--
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<p> *
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|
The new option
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|
“<a href="../develop.html#option_ef">-ef 1</a>”
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|
causes the build system to write error messages to
|
|
a text file, instead of displaying an alert dialog. This will allow
|
|
the Variations Service to allow the user to specify options as text,
|
|
and get any error messages, such as about bad syntax, back to the web
|
|
page shown to the user, rather than breaking the service.
|
|
</p>
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|
-->
|
|
|
|
<!--
|
|
<p> *
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|
When the build system is told to write error messages to a file
|
|
and quit when finished, there is no chance to select the text
|
|
of where the error was found. So error messages have been changed to
|
|
always include the name of the option with the problem. This
|
|
allows the Advanced Variations Service to give more useful errors.
|
|
</p>
|
|
-->
|
|
|
|
<p> *
|
|
If the new option
|
|
“<a href="../options.html#option_xclm">!</a>”
|
|
is used, options to the right of it will override options to the left
|
|
of it. Normally it would be an error for the same option to
|
|
be used twice. It is still an error for
|
|
an option to be used twice on the same side of ‘!’.
|
|
</p>
|
|
|
|
<p> *
|
|
The new option
|
|
“<a href="../options.html#option_cte">-cte 1</a>”
|
|
causes the build system to generate source
|
|
code that causes the compiler to generate an error. This
|
|
is for testing the variation service.
|
|
</p>
|
|
|
|
<p> *
|
|
If the new option
|
|
“<a href="../options.html#option_bte">-bte</a>”
|
|
is used, the build system will treat it as
|
|
an error. This is for testing the variation service.
|
|
</p>
|
|
|
|
<p> : </p>
|
|
|
|
<p> If you find Mini vMac useful, please consider
|
|
<a href="https://www.gryphel.com/c/help/index.html">helping the Gryphel Project</A>,
|
|
of which it is a part. </p>
|
|
|
|
<a href="https://www.gryphel.com/index.html">
|
|
<img src="https://www.gryphel.com/d/gryphel-32.gif" width=32 height=32 border=0
|
|
alt="gryphel logo, 1K"
|
|
>
|
|
</a>
|
|
|
|
<p> Back up to - <b><a href="index.html">Changes in Mini vMac versions</a></b></p>
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|
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|
<hr>
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|
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<div>
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|
|
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<i> <a href="https://www.gryphel.com/index.html">www.gryphel.com</a>/c/<a href="../index.html">minivmac</a>/<a href="index.html">change</a>/v36
|
|
- <a href="https://www.gryphel.com/c/feedback.html">feedback</a> </i>
|
|
<br>
|
|
copyright (c) 2018 Paul C. Pratt - last update 10/17/2018
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</div>
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</body>
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</html>
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