Change location of MDL 54 pure library to allow old Zork to run.

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Change location of MDL 54 pure library to allow old Zork to run. #2157

Closed eswenson1 closed 1 year ago

eswenson1 commented 1 year ago

Update MDL 54 interpreter to look in MUDSAV;SAV 54FILE and MUDSAV;FIXUP 54FILE for pure library.
Update MKSVFL utility to create pure library in new location.
Update muddle.tcl to run MKSVFL to create dummy pure library.

eswenson1 commented 1 year ago

Please don't merge yet. I'm still building this to test to make sure it works. I don't see why it wouldn't, but I've been known to do stupid things in the past....

eswenson1 commented 1 year ago

I ran this build and verified that I can now play the old zork by running OZORK^k (and I can run new zork by running ZORK^k). So this is ready to merge if you approve.

larsbrinkhoff commented 1 year ago

Thanks!

If I understand your emails correctly, a fancier solution would be to have the necessary libraries in the common SAV/FIXUP FILE, right? But we can keep that on the to-do list for a rainy day.

eswenson1 commented 1 year ago

Yes, but the way you create those SAV54/FIX54 files is by using PDUMP (we have the source for this, so ostensibly we could run it in a MDL 54). But as input to PDUMP, you need to have loaded the code from NBINs first. We don't have a compiler for MDL 54 (we have one for MDL 53, but no interpreter for MDL 53), and therefore we cannot compile updated/hacked sources to get the NBINs for MDL 54. We might be able to patch the SAV54/FIX54 files we have though, and then load them into the pure library.