DDLab Mac readme: Jan 2025 update
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The following files (.tar.gz) contain the mac 64bit executables
for mac_intel and mac_silicon, and GNU GENERAL PUBLIC LICENSE
they are available at ....
http://www.ddlab.org/download/ddlab_compiled_Jan2025/ and mirror sites.

ddlabz13_mac_intel (runs on the mac intel chip, now discontinued) 
ddlabz13_mac_silicon (runs on the latest Apple silicon chip, for M series macs)

Thanks very much to Ed Coxon for these compiles, which will only run on
the correct mac.

Run DDLab from a terminal in X11, which must be installed.
From the directory with the DDLab files, enter the name of the
executable (here renamed ddlabz13) preceded by ./ and followed by &, for example ...
 
./ddlabz13 &

Alternatively, first change directory to "ddfiles"
then enter the name of the executable preceded by ../ and followed by &

../ddlabz13 &

This will keep files generated by DDLab in the ddfiles subdirectory.
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If the run is prevented with a notice like this or similar:
"ddlabz13 cannot be opened because the developer is not verified" ...
Search "Open a Mac app from an unknown developer" for your mac,
then make an exception to your security settings,
usualy something like ...

>click the apple logo
>select System Settings
>click Privacy & Security
>in Security click Open Anyway
>enter your login password, then click OK

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You can recompile DDLab yourself from the source code using
Makefile_Mac_z13 (same for intel and silicon) provided in
http://www.ddlab.org/download/ddlab_code_Jan2025/
or adapt the this Makefile for your Mac.

DDLab would appreciate news of alternative compiles.
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Note on missing hash "#" from some mac keyboards:
"#" is used for some on-the-fly options, for example, to toggle scrolling
space-time patterns. If "#" is missing as in "MacBook Retina 2016",
it can be made with alt(option)3, the alt or option key and key 3.
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