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# Incomplete awlsim TODO list

## S7 compatibility

* Add feature: Parsing of attributes

## core

* Improve performance (cython)
* Single download of symtab causes a redefinition error.
* Add feature: LAD (KOP) compiler

## AWL / STL optimizer

* Add optimization pass: O(UU)O(UU) -> UUOUU
* Add optimization pass: U(UU)= -> UU=  (also for other insn types)
* Add optimization pass: Reordering of TEMP variables for space packing

## GUI

* Add feature: LAD (KOP) editor
* Add feature: find/replace for symbol table editor
* Add feature: find/replace for library selection editor
* Add feature: global find/replace
* Add feature: Interface editor copy/paste
* Add feature: Symbol table editor copy/paste
* Add feature: Library selections editor copy/paste

## FBD / FUP GUI

* Rewrite wire drawing algorithm
* Add feature: Support modifying wires by clicking onto them
* Add feature: Make width (and height?) of operands selectable
* Add feature: Exchange elements
* Add feature: Live view of signal states (online diagnosis)
* Add feature: find/replace for FUP editor

## FBD / FUP compiler

* Fix evaluation order in case of multiple parallel assignments and other elements
* Add element: CALL
bues.ch cgit interface