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30b74dbd73
- Give appveyor.yml some much needed attention. Specifically, work around the CMake build termination when the issuing the "CMake is too old to produce packages" warning message. There's something funky with how Appveyor's runtime interacts with PowerShell and warning/diagnostic output ends up terminating builds unexpectedly. Appveyor's technical support says to write the CI/CD script using the old DOS CMD interpreter, not PowerShell. - Cut down the number of builds. Older Visual Studio VM images are still in the appveyor.yml matrix, just commented out. - dep-locate.cmake: Update dependency library version numbers to reflect recent releases for libpng16, SDL and SDL_ttf. This affects the XP "legacy" CMake builds on Github CI/CD, Appveyor's VS 2017 and earlier VM images that build the minimal SIMH dependency library support (i.e., environments where vcpkg is known not to work.)
Open SIMH machine simulator
This is the codebase of SIMH, a framework and collection of computer system simulators.
SIMH was created by Bob Supnik, originally at Digital Equipment Corporation, and extended by contributions of many other people. It is now an open source project, licensed under an MIT open source license (see LICENSE.txt for the specific wording). The project gatekeepers are the members of the SIMH Steering Group. We welcome and encourage contributions from all. Contributions will be covered by the project license.
The Open SIMH code base was taken from a code base maintained by Mark Pizzolato as of 12 May 2022. From that point onward there is no connection between that source and the Open SIMH code base. A detailed listing of features as of that point may be found in SIMH-V4-status.
PLEASE NOTE
Do not contribute material taken from github.com/simh/simh unless you are the author of the material in question.