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the new assignment code (once complete) really is a big enough change to bump the version to 2.0
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1.92-SNAPSHOT
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2.0-SNAPSHOT
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@ -2,40 +2,26 @@
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TODO
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====
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- finalize (most) of the still missing "new" assignment asm code generation (several example code files even refuse to compile currently)
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- aliases for imported symbols for example perhaps '%alias print = c64scr.print'
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- option to load library files from a directory instead of the embedded ones (easier library development/debugging)
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- investigate support for 8bitguy's Commander X16 platform https://murray2.com/forums/commander-x16.9/
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Memory Block Operations integrated in language?
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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array/string memory block operations?
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- array operations
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copy (from another array with the same length), shift-N(left,right), rotate-N(left,right)
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clear (set whole array to the given value, default 0)
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- array operations ofcourse work identical on vars and on memory mapped vars of these types.
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- strings: identical operations as on array.
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For now, we have the ``memcopy`` and ``memset`` builtin functions.
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More optimizations
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^^^^^^^^^^^^^^^^^^
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Add more compiler optimizations to the existing ones.
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- more targeted optimizations for assigment asm code, such as the following:
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- subroutine calling convention? like: 1 byte arg -> pass in A, 2 bytes -> pass in A+Y, return value likewise.
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- remove unreachable code after an exit(), return or goto
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- working subroutine inlining (start with trivial routines, grow to taking care of vars and identifier refs to them)
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- add a compiler option to not include variable initialization code (useful if the program is expected to run only once, such as a game)
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the program will then rely solely on the values as they are in memory at the time of program startup.
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- Also some library routines and code patterns could perhaps be optimized further
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- can the parameter passing to subroutines be optimized to avoid copying?
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- subroutine calling convention? like: 1 byte arg -> pass in A, 2 bytes -> pass in A+Y, return value likewise.
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- more optimizations on the language AST level
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- more optimizations on the final assembly source level
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@ -64,4 +50,3 @@ Misc
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Several ideas were discussed on my reddit post
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https://www.reddit.com/r/programming/comments/alhj59/creating_a_programming_language_and_cross/
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