Expand LinuxCNC smoke coverage

docs/linuxcnc-porting.md

@@ -29,6 +29,10 @@ This parser only exists to test the ABI and UI before Emscripten and LinuxCNC ar
 - `G4 P...`
 - `F`, `S`, `T`, `M3`, `M4`, `M5`, `M6`, `M2`, `M30`
 - IJK and R arcs
+- numbered and named parameter assignment/reference such as `#1 = ...`, `#<name> = ...`, `X#1`, and nested expressions like `X[[#<name> + 2] * 3]`
+- expression functions `ABS[]`, `SQRT[]`, `EXP[]`, `LN[]`, degree-based `SIN[]`/`COS[]`/`TAN[]`/`ASIN[]`/`ACOS[]`, LinuxCNC-style `ATAN[]/[]`, and `FIX[]`/`FUP[]`/`ROUND[]`
+- numeric and named O-word subprograms such as `O100 call` and `O<name> call`
+- canned cycles `G73`, `G81`, `G82`, `G83`, `G85`, `G86`, `G89` with `G80`, `G98`, `G99`, `L`
 
 It is not the production interpreter.
 
@@ -189,6 +193,6 @@ This matrix tracks LinuxCNC feature coverage for the web/WASM simulator. A featu
 | Canned cycle `G81/G80` | covered for drilling expand-to-canon path | `tests/gcode/linuxcnc_canned_cycle.ngc` |
 | Coordinate offset Canon events | bridge-level covered | `core/tests/linuxcnc_canon_bridge_smoke.cpp` |
 | Cutter compensation | pending | add LinuxCNC corpus and tolerance checks |
-| O-word subroutines and calls | pending | current line-by-line runner does not execute sub bodies like LinuxCNC task planner |
-| Broader canned cycles `G82`-`G89` | pending | add corpus after `G81` baseline |
+| O-word subroutines and calls | covered for numeric `O... sub/call/return/endsub` through LinuxCNC file mode; smoke parser also covers named `O<name>` sub/call/return/endsub | `tests/gcode/smoke_oword_subprogram.ngc` |
+| Broader canned cycles `G73`, `G82`-`G89` | partially covered: `G73`, `G82`, `G83`, `G85`, `G86`, `G89` | `tests/gcode/linuxcnc_canned_cycles_extended.ngc`, smoke API regression |
 | Full source-level wasm build | pending | replace Python/HAL/INI/tooldata support dependencies |