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44 lines
2.1 KiB
ReStructuredText
44 lines
2.1 KiB
ReStructuredText
====
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TODO
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====
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- fix problem that unused vars are no longer properly removed
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- BeforeAsmGenerationAstChanger no longer needs to move vardecls??
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- simplify cx16.joystick_get2() once this cx16 rom issue is resolved: https://github.com/commanderx16/x16-rom/issues/203
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- c64: make the graphics.BITMAP_ADDRESS configurable (VIC banking)
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- get rid of all other TODO's in the code ;-)
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Low prio
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^^^^^^^^
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- see if we can improve the ".typeOrElse(DataType.UNDEFINED)" to not depend on the DEFINED anymore or at least less
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- optimize several inner loops in gfx2 even further?
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- add modes 2 and 3 to gfx2 (lowres 4 color and 16 color)?
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- add a flood fill routine to gfx2?
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- add a f_seek() routine for the Cx16 that uses its seek dos api?
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- refactor the asmgen into own submodule
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- refactor the compiler optimizers into own submodule
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- add a compiler option to not remove unused subroutines. this allows for building library programs. But this won't work with 64tass's .proc ...
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- make it possible to use cpu opcodes such as 'nop' as variable names by prefixing all asm vars with something such as ``v_``
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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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- find a way to optimize if-statement codegen so that "if var & %10000" doesn't use stack & subroutine call, but also that the simple case "if X {...}" remains fast
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- optimizer: detect variables that are written but never read - mark those as unused too and remove them, such as uword unused = memory("unused222", 20) - also remove the memory slab allocation
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- further optimize assignment codegeneration, such as the following:
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- rewrite expression code generator to not use eval stack but a fixed number of predetermined value 'variables' (1 per nesting level?)
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- binexpr splitting (beware self-referencing expressions and asm code ballooning though)
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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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Misc
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^^^^
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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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