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testmnvm-0.1.0.zip (44K) a zipped hfs disk image and checksum file. The disk image can be mounted with Mini vMac. Includes source code.

TestMnvM is the start of a utility for testing Mini vMac that I've been meaning to do more work on for years. I'm making it public since even what there is of it so far can be useful to give some assurance when you have compiled your own copy of Mini vMac that it has compiled correctly.

TestMnvM is simply an application that when run inside Mini vMac puts up an alert saying either "Seems Ok", or else a brief description of where it found a problem.

TestMnvM is not useful if the emulation is too broken, so that it can't boot at all. (Gwenole Beauchesne's M68K Emulator Testsuite looks better for that. Sometime I will have to try to get it to work with Mini vMac code.) It is more useful for giving some reassurance that a program that seems to work doesn't have obscure bugs.

Currently TestMnvM is mostly focused on testing the results of a few 68000 instructions on selected example parameters, with special attention to making sure the condition codes are set correctly. (If condition codes aren't handled correctly, the emulator may seem to mostly work, except for occasional odd behavior, which is worse than not working at all.) This checks out the part of the emulation that does the computations, but since it uses only one form of each instruction, rather than all the possible addressing modes, it is not testing the decoding of instructions.

Here is the md5 checksum for the download:


fb24133897ad170dd04d67780b4285ea testmnvm-0.1.0.zip

Version: 2.6


You can redistribute TestMnvM and/or modify it under the terms of version 2 of the GNU General Public License as published by the Free Software Foundation. See the included file COPYING.

TestMnvM is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the license for more details.


If you find TestMnvM useful, please consider helping the Gryphel Project, of which it is a part.

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copyright (c) 2010 Paul C. Pratt - last update 10/21/2010