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<!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 3.4.1 </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="v3.4.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>/v3.4
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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 3.4.1 <!-- *<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 3.4.1, compared to Mini vMac 3.3.3.
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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="v3.4.html#feature">New features</a>
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</p><p>
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<a href="v3.4.html#modified">Changed behavior</a>
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</p><p>
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<a href="v3.4.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="v3.4.html#compile_feature">New features</a>
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</p><p>
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<a href="v3.4.html#compile_modified">Changed behavior</a>
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</p><p>
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<a href="v3.4.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="v3.4.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> <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> * Changed URL displayed in about screen to
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"<a href="https://www.gryphel.com/index.html">http://www.gryphel.com/c/minivmac/</a>".
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</p>
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<p> * To make Mini vMac simpler and more maintainable, the interaction
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between platform dependent code and platform independent code has
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been changed a bit. Instead of the platform dependent code calling
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a routine to emulate one tick (sixtieth of a second) whenever
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appropriate, the main loop of the program is now in platform
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independent code, which periodically calls platform dependent
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code to check for events. A visible consequence of this is that
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the emulation will now stop running in certain circumstances
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when it used to continue running, such as during the open disk
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image dialog. The exact situations this happens varies for
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each platform.
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</p>
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<p> * To minimize glitches in sound output when emulation starts,
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stops, or just isn't running fast enough, the sound call back
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functions in the various Macintosh versions and the SDL version will
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now try to play an appropriate transition in each of these
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circumstances.
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</p>
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<p> * In the Cocoa port, when the platform dependent code checks for
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events, rather than using a time out value, it turns out there
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is a bit less overhead to check for events, sleep, and then
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check for events again. This allows matching the performance
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of the Carbon version, making the Cocoa version more ready
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for prime time. (Apple has declared Carbon very, very
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deprecated.)
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</p>
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<p>
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The same fix actually also applies to Carbon. Mini vMac
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used to use a standard Carbon event loop with a complicated
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system of timer events only because a manual event loop
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didn't get quite as good performance. With this change, all
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ports can use the same platform independent event loop,
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as described above.
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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> * The Virtual-Key Codes of Microsoft Windows, that are independent
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of differences in keyboard hardware, turn out not to be independent
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of the choice of Keyboard Layout. Changing the Keyboard Layout
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to something other than "US" may scramble the Virtual-Key Codes,
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strangely enough. Mini vMac will now check the current Keyboard
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Layout, and attempt to unscramble the codes, so that the Keyboard
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Layout chosen in Macintosh operating system running within Mini vMac
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will work properly. There is a new build option to disable this
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fix, <a href="../options.html#option_ikb">-ikb 0</a>”, because
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this is fairly large amount of code and US only users don't need it.
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But also because I'm not sure I really understand this. Why has
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no one complained about this issue in the last decade?
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</p>
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<p> * Mini vMac on Microsoft Windows will now recognize the
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Virtual-Key code of VK_OEM_102, and translate it to the Macintosh
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key code of 0x0A. This key is used for angle brackets in the
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German keyboard layout, for example.
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</p>
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<p> * Mini vMac on Microsoft Windows passed an invalid Window Style
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to CreateWindowEx (when not in full screen mode). When compiled
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with certain development tools this could result in the window
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being the wrong size, and other odd behavior. Before finding
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and fixing this, I also made Mini vMac more robust in adjusting
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for window border sizes by using AdjustWindowRectEx and MapWindowPoints,
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rather than various results from GetSystemMetrics. (Thanks to
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the anonymous user who
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<a href="https://www.gryphel.com/c/mail/v3.html#m27">reported this issue</a>.)
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</p>
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<p> * The OS X version of Mini vMac
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was using the wrong syntax for the value of the LSRequiresCarbon
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key in the Info.plist file in the application bundle, as
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<a href="https://www.gryphel.com/c/mail/v2.html#m43">reported by Ryan Schmidt</a>.
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</p>
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<p> * The Linux, and other X, versions of Mini vMac would crash
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when exporting a file, if the “out” folder in the
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application directory didn't exist, and Mini vMac lacked
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permission to create it, due to not properly handling errors in the
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routine “FindOrMakeChild” in the source file
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“MYOSGLUE.c”, as
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<a href="https://www.gryphel.com/c/mail/v2.html#m42">reported by Éric of Montréal</a>.
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</p>
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<p> * The Linux, and other X, versions of Mini vMac can crash
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if the HOME environment variable is not set, due to missing
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error checking (which in turn was due to incorrectly disabling an
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alternate implementation), as
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<a href="https://www.gryphel.com/c/mail/v2.html#m44">reported by fzn</a>.
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</p>
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<p> * The Linux, and other X, versions of Mini vMac will now
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look for the ROM image in the application directory before looking
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in the “~/.gryphel/mnvm_rom”, instead of after, to match
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the behavior of the other ports. This makes it easier to have a ROM
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image for general use, and still be able try out another ROM
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image.
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</p>
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<p> * The autoscroll feature (used in full screen mode when the
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emulated screen size is larger than the real screen) would
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not work when the emulation was stopped (using the
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“Stopped toggle” in the “S” command of the
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Control Mode). </p>
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<p> * In the Cocoa port, Mini vMac would fail to mount a disk
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image located on a file system that doesn't support locking.
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It now checks the result from the flock call, and only prevents
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mounting if the file is already locked, and doesn't prevent
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mounting for other errors.
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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> * The hack allowing the emulated Mac Plus (and other models without Color Quickdraw)
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to have a larger screen always allocated enough memory for a screen with up to
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1048576 pixels. It now allocates more closely to just the memory needed, and
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can handle screens up to 2097152 pixels (the size of the unused area in the address
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space that is used by this hack). I believe the previous limitation was mostly
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consequence of how earlier versions handled memory access in the CPU emulator.
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The build system will now give an error when the requested screen size contains
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more than 2097152 pixels (before it would compile fine and just not work right).
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</p>
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<p> * A new build system option
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“<a href="../options.html#option_sss">-sss</a>”
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selects the output Sound Sample Size.
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</p>
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<p> * A new build system option
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“<a href="../options.html#option_cbt">-cbt</a>”
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selects the initial value of Caret Blink Time
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(Rate of Insertion Point Blinking) in the Parameter RAM.
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</p>
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<p> * A new build system option
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“<a href="../options.html#option_dct">-dct</a>”
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selects the initial value of Double Click Time
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in the Parameter RAM.
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</p>
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<p> * A new build system option
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“<a href="../options.html#option_mnb">-mnb</a>”
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selects the initial value of Menu Blinks
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in the Parameter RAM.
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</p>
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</p>
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<p> * A new build system option
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“<a href="../options.html#option_kyt">-kyt</a>”
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selects the initial value of Keyboard Repeat Threshold
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in the Parameter RAM.
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</p>
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<p> * A new build system option
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“<a href="../options.html#option_kyr">-kyr</a>”
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selects the initial value of Keyboard Repeat Rate
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in the Parameter RAM.
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</p>
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<p> * A new build system option
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“<a href="../options.html#option_svl">-svl</a>”
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selects the initial value of the Sound Volume in the Parameter RAM.
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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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<!-- -->
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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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<!--
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<p> * None Yet. </p>
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-->
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<p> * Sound in the Macintosh II emulation is much improved. The
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build system now enables it by default.
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</p>
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<p> * The Windows version wouldn't compile with magnification disabled
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(<a href="../options.html#option_magnify">-mf 1</a>) and screen depth
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(<a href="../options.html#option_depth">-depth</a>) of thousands,
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millions, or 4 colors.
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</p>
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<p> * The Classic Mac versions
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(“<a href="../develop.html#option_t">-t m68k</a>” and
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“<a href="../develop.html#option_t">-t mppc</a>”)
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didn't always request a large enough memory allocation in the
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SIZE resource, particulary for large screen sizes and color
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depths. The build system now tries to compute the memory
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requirements more exactly.
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</p>
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<p> * The Pocket PC version wouldn't compile with
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"<a href="../options.html#option_im">-im 1</a>". Removing
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the call to GetShortPathName for Pocket PC allows it
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to compile, but then registration won't work
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if the path of the application contains spaces.
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Upon further investigation, it seems all that is needed
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is to put the application path in quotes when setting
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registry entries, so GetShortPathName isn't needed.
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So have made this change for both Pocket PC and
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the regular Windows version.
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</p>
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<p> <a name="build"> <b> Build System </b> </a> </p>
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<!--
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<p> * None Yet. </p>
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-->
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<p> * The build system now supports Xcode 6.3.2
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(with “<a href="../develop.html#option_ev">-ev 6320</a>”),
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and also Xcode 6.4 Beta (“-ev 6400”),
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Xcode 6.2 (“-ev 6200”),
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and Xcode 4.6.3 (“-ev 4630”).
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Though not tested,
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other versions of Xcode in between should also work, by constructing
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the “-ev” option in the same way.
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</p>
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<p> * The build system now supports Microsoft Visual Studio 2013
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(with “<a href="../develop.html#option_ev">-ev 12000</a>”),
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and also Microsoft Visual Studio 2012 (“-ev 11000”),
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and Microsoft Visual Studio 2015 RC (“-ev 14000”).
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</p>
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<p> * Added build system option
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“<a href="../develop.html#option_api">-api sd2</a>”
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to use the
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<a href="http://www.libsdl.org">Simple DirectMedia Layer</a>
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2.0 API (the older 1.2 API was previously supported), based upon a
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<a href="https://github.com/vanfanel/minivmac_sdl2">port by Manuel Alfayate</a>,
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after this
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<a href="http://www.emaculation.com/forum/viewtopic.php?f=7&t=8807">discussion</a>.
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<p> * Files can now be dropped onto the build system
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application icon. This is equivalent to copying the
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contents of the file, and pasting it into the build
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system window after removing any existing text
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(such as by the ‘Select All’ and ‘Clear’ commands),
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and then choosing the ‘Go’ command. Multiple files
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can be dropped, and they will be all be
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processed. (Though if there is an error, that error
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is reported, and all remaining files are forgotten.)
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If the build system application was not yet running
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when icons are dropped on it, then the application
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automatically quits after processing all the files.
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Other ways of generating kAEOpenDocuments apple events,
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besides dropping files on the application icon,
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should also work, such as AppleScript.
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</p>
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<p> * The Build System now supports drag and drop (when
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the drag and drop operating system software is present)
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onto its window, which has equivalent function to dropping
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a file on the application icon as described above.
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</p>
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<p> * The Build System has a new “Import” command
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in the File menu, which has equivalent function to dropping
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a file on the application icon as described above.
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</p>
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<p> * The Build System has a new “Export” command
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in the File menu, which saves the window’s contents
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to a new file, that the “Import” command can
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read. The new file has the creator set to the Build System,
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so double clicking on the file will work. The Build System
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application defines an icon for the files it saves.
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</p>
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<p> * The Build System now has a progress indicator at
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the bottom of the window. It can display information
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about what is going on. Clicking on the progress
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indicator is equivalent to choosing the “Go” command
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from the File menu. The Build System can now potentially allow
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the user interface to remain functional while processing. But
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calls have to be added to the processing code to allow this,
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calls that report progress and can yield time to the user
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interface code.
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</p>
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<p> * Renamed the Build System application to include branch
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information - "MnvM_b34". This makes it easier to deal with
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the Stable and Development branches at the same time.
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</p>
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<p> * Prevent warning about unused code when using options
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"-var-fullscreen 0 -fullscreen 1 -mf 1".
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</p>
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<p> * Added build system option
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“<a href="../develop.html#option_t">-t fbpc</a>”
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for FreeBSD on PowerPC. </p>
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<p> * Added build system option
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“<a href="../develop.html#option_cpu">-t cpu</a>”,
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to provide a starting point for compiling a combination of
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operating system and CPU that is not yet supported.
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</p>
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<p> * The Build System now generates a compile time check
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in a configuration file when compiling with gcc for
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x86-64 or x86-32, to make sure the 64 bit configuration
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is not compiled with a 32 bit compiler, or vice versa.
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This can result (especially when used with
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"<a href="../develop.html#option_no_asm">-no-asm</a>"),
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in a binary that almost but doesn't quite work correctly.
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The check is for the wrong predefine being present, rather than
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checking that the correct predefine exists, to reduce
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the chance of incorrectly giving an error on an
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unusual compiler version.
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</p>
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<p> * It does not make sense to combine the build options
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“<a href="../options.html#option_magnify">-magnify 1</a>”
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(to start with magnification on)
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and
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“<a href="../options.html#option_magnify">-mf 1</a>”
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(to disable magnification),
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and the Build System now prevents this.
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</p>
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<p> : </p>
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<p> If you find Mini vMac useful, please consider
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<a href="https://www.gryphel.com/c/help/index.html">helping the Gryphel Project</A>,
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of which it is a part. </p>
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<a href="https://www.gryphel.com/index.html">
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<img src="https://www.gryphel.com/d/gryphel-32.gif" width=32 height=32 border=0
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alt="gryphel logo, 1K"
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>
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</a>
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<p> Back up to - <b><a href="index.html">Changes in Mini vMac versions</a></b></p>
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<hr>
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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>/v3.4
|
|
- <a href="https://www.gryphel.com/c/feedback.html">feedback</a> </i>
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<br>
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copyright (c) 2016 Paul C. Pratt - last update 8/28/2016
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</div>
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</body>
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</html>
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