Merge pull request #12013 from TheSFReader/CNCParser

CNC GCode dialect compatibility improvements

Marlin/Configuration_adv.h

@@ -1594,6 +1594,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/default/Configuration_adv.h

@@ -1594,6 +1594,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/AlephObjects/TAZ4/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Anet/A2/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Anet/A2plus/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Anet/A6/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Anet/A8/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/BIBO/TouchX/default/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/BQ/Hephestos/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/BQ/Hephestos_2/Configuration_adv.h

@@ -1601,6 +1601,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/BQ/WITBOX/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Cartesio/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Creality/CR-10/Configuration_adv.h

@@ -1596,6 +1596,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Creality/CR-10S/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Creality/CR-10mini/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Creality/CR-8/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Creality/Ender-2/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Creality/Ender-3/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Creality/Ender-4/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Einstart-S/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Felix/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/FolgerTech/i3-2020/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Formbot/Raptor/Configuration_adv.h

@@ -1595,6 +1595,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Formbot/T_Rex_2+/Configuration_adv.h

@@ -1597,6 +1597,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Formbot/T_Rex_3/Configuration_adv.h

@@ -1598,6 +1598,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Infitary/i3-M508/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/JGAurora/A5/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/MakerParts/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Malyan/M150/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Malyan/M200/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Micromake/C1/enhanced/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Mks/Sbase/Configuration_adv.h

@@ -1601,6 +1601,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/RigidBot/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/SCARA/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Sanguinololu/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/TheBorg/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/TinyBoy2/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Tronxy/X3A/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/UltiMachine/Archim2/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Velleman/K8200/Configuration_adv.h

@@ -1606,6 +1606,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Velleman/K8400/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/Wanhao/Duplicator 6/Configuration_adv.h

@@ -1595,6 +1595,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/delta/Anycubic/Kossel/Configuration_adv.h

@@ -1595,6 +1595,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration_adv.h

@@ -1595,6 +1595,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/delta/FLSUN/kossel/Configuration_adv.h

@@ -1595,6 +1595,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration_adv.h

@@ -1595,6 +1595,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/delta/generic/Configuration_adv.h

@@ -1595,6 +1595,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/delta/kossel_mini/Configuration_adv.h

@@ -1595,6 +1595,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/delta/kossel_xl/Configuration_adv.h

@@ -1595,6 +1595,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/gCreate/gMax1.5+/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/makibox/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/tvrrug/Round2/Configuration_adv.h

@@ -1593,6 +1593,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/config/examples/wt150/Configuration_adv.h

@@ -1594,6 +1594,13 @@
  */
 #define FASTER_GCODE_PARSER
 
+/**
+ * CNC G-code options
+ * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
+ */
+//#define PAREN_COMMENTS      // Support for parentheses-delimited comments
+//#define GCODE_MOTION_MODES  // Remember the motion mode (G0 G1 G2 G3 G5 G38.X) and apply for X Y Z E F, etc.
+
 /**
  * User-defined menu items that execute custom GCode
  */

Marlin/src/gcode/gcode.cpp

@@ -263,6 +263,10 @@ void GcodeSuite::process_parsed_command(
           break;
       #endif
 
+      #if ENABLED(GCODE_MOTION_MODES)
+        case 80: G80(); break;                                    // G80: Reset the current motion mode
+      #endif
+
       case 90: relative_mode = false; break;                      // G90: Relative Mode
       case 91: relative_mode = true; break;                       // G91: Absolute Mode
 

Marlin/src/gcode/gcode.h

@@ -65,6 +65,7 @@
  * G33  - Delta Auto-Calibration (Requires DELTA_AUTO_CALIBRATION)
  * G38  - Probe in any direction using the Z_MIN_PROBE (Requires G38_PROBE_TARGET)
  * G42  - Coordinated move to a mesh point (Requires MESH_BED_LEVELING, AUTO_BED_LEVELING_BLINEAR, or AUTO_BED_LEVELING_UBL)
+ * G80  - Cancel current motion mode (Requires GCODE_MOTION_MODES)
  * G90  - Use Absolute Coordinates
  * G91  - Use Relative Coordinates
  * G92  - Set current position to coordinates given
@@ -428,6 +429,10 @@ private:
     static void G59();
   #endif
 
+  #if ENABLED(GCODE_MOTION_MODES)
+    static void G80();
+  #endif
+
   static void G92();
 
   #if HAS_RESUME_CONTINUE

Marlin/src/gcode/host/M115.cpp

@@ -153,5 +153,19 @@ void GcodeSuite::M115() {
       #endif
     );
 
+    // PAREN_COMMENTS
+    cap_line(PSTR("PAREN_COMMENTS")
+      #if ENABLED(PAREN_COMMENTS)
+        , true
+      #endif
+    );
+
+    // MOTION_MODES (M80-M89)
+    cap_line(PSTR("MOTION_MODES")
+      #if ENABLED(GCODE_MOTION_MODES)
+        , true
+      #endif
+    );
+
   #endif // EXTENDED_CAPABILITIES_REPORT
 }

Marlin/src/gcode/motion/G80.cpp

@@ -0,0 +1,36 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "../../inc/MarlinConfigPre.h"
+
+#if ENABLED(GCODE_MOTION_MODES)
+
+/**
+ * G80: Cancel current motion mode
+ */
+void GcodeSuite::G80() {
+
+  parser.cancel_motion_mode();
+
+}
+
+#endif // GCODE_MOTION_MODES

Marlin/src/gcode/parser.cpp

@@ -50,10 +50,18 @@ char *GCodeParser::command_ptr,
      *GCodeParser::value_ptr;
 char GCodeParser::command_letter;
 int GCodeParser::codenum;
+
 #if USE_GCODE_SUBCODES
   uint8_t GCodeParser::subcode;
 #endif
 
+#if ENABLED(GCODE_MOTION_MODES)
+  int16_t GCodeParser::motion_mode_codenum = -1;
+  #if USE_GCODE_SUBCODES
+    uint8_t GCodeParser::motion_mode_subcode;
+  #endif
+#endif
+
 #if ENABLED(FASTER_GCODE_PARSER)
   // Optimized Parameters
   uint32_t GCodeParser::codebits;  // found bits
@@ -117,8 +125,19 @@ void GCodeParser::parse(char *p) {
     starpos[1] = '\0';
   }
 
+  #if ENABLED(GCODE_MOTION_MODES)
+    #if ENABLED(ARC_SUPPORT)
+      #define GTOP 3
+    #else
+      #define GTOP 1
+    #endif
+  #endif
+
   // Bail if the letter is not G, M, or T
-  switch (letter) { case 'G': case 'M': case 'T': break; default: return; }
+  // (or a valid parameter for the current motion mode)
+  switch (letter) {
+
+    case 'G': case 'M': case 'T':
 
       // Skip spaces to get the numeric part
       while (*p == ' ') p++;
@@ -132,9 +151,7 @@ void GCodeParser::parse(char *p) {
 
       // Get the code number - integer digits only
       codenum = 0;
-  do {
+      do { codenum *= 10, codenum += *p++ - '0'; } while (NUMERIC(*p));
-    codenum *= 10, codenum += *p++ - '0';
-  } while (NUMERIC(*p));
 
       // Allow for decimal point in command
       #if USE_GCODE_SUBCODES
@@ -148,6 +165,43 @@ void GCodeParser::parse(char *p) {
       // Skip all spaces to get to the first argument, or nul
       while (*p == ' ') p++;
 
+      #if ENABLED(GCODE_MOTION_MODES)
+        if (letter == 'G' && (codenum <= GTOP || codenum == 5
+                                #if ENABLED(G38_PROBE_TARGET)
+                                  || codenum == 38
+                                #endif
+                             )
+        ) {
+          motion_mode_codenum = codenum;
+          #if USE_GCODE_SUBCODES
+            motion_mode_subcode = subcode;
+          #endif
+        }
+      #endif
+
+      break;
+
+    #if ENABLED(GCODE_MOTION_MODES)
+      #if ENABLED(ARC_SUPPORT)
+        case 'I': case 'J': case 'R':
+          if (motion_mode_codenum != 2 && motion_mode_codenum != 3) return;
+      #endif
+      case 'P': case 'Q':
+        if (motion_mode_codenum != 5) return;
+      case 'X': case 'Y': case 'Z': case 'E': case 'F':
+        if (motion_mode_codenum < 0) return;
+        command_letter = 'G';
+        codenum = motion_mode_codenum;
+        #if USE_GCODE_SUBCODES
+          subcode = motion_mode_subcode;
+        #endif
+        p--; // Back up one character to use the current parameter
+      break;
+    #endif // GCODE_MOTION_MODES
+
+    default: return;
+  }
+
   // The command parameters (if any) start here, for sure!
 
   #if DISABLED(FASTER_GCODE_PARSER)

Marlin/src/gcode/parser.h

@@ -76,14 +76,21 @@ public:
 
   // Command line state
   static char *command_ptr,               // The command, so it can be echoed
-              *string_arg;                // string of command line
+              *string_arg,                // string of command line
-
+              command_letter;             // G, M, or T
-  static char command_letter;             // G, M, or T
   static int codenum;                     // 123
   #if USE_GCODE_SUBCODES
     static uint8_t subcode;               // .1
   #endif
 
+  #if ENABLED(GCODE_MOTION_MODES)
+    static int16_t motion_mode_codenum;
+    #if USE_GCODE_SUBCODES
+      static uint8_t motion_mode_subcode;
+    #endif
+    FORCE_INLINE static void cancel_motion_mode() { motion_mode_codenum = -1; }
+  #endif
+
   #if ENABLED(DEBUG_GCODE_PARSER)
     static void debug();
   #endif

Marlin/src/gcode/queue.cpp

@@ -282,7 +282,11 @@ static int read_serial(const int index) {
  */
 inline void get_serial_commands() {
   static char serial_line_buffer[NUM_SERIAL][MAX_CMD_SIZE];
-  static bool serial_comment_mode[NUM_SERIAL] = { false };
+  static bool serial_comment_mode[NUM_SERIAL] = { false }
+              #if ENABLED(PAREN_COMMENTS)
+                , serial_comment_paren_mode[NUM_SERIAL] = { false }
+              #endif
+            ;
 
   // If the command buffer is empty for too long,
   // send "wait" to indicate Marlin is still waiting.
@@ -310,7 +314,11 @@ inline void get_serial_commands() {
        */
       if (serial_char == '\n' || serial_char == '\r') {
 
-        serial_comment_mode[i] = false;                   // end of line == end of comment
+        // Start with comment mode off
+        serial_comment_mode[i] = false;
+        #if ENABLED(PAREN_COMMENTS)
+          serial_comment_paren_mode[i] = false;
+        #endif
 
         // Skip empty lines and comments
         if (!serial_count[i]) { thermalManager.manage_heater(); continue; }
@@ -404,12 +412,24 @@ inline void get_serial_commands() {
       }
       else if (serial_char == '\\') {  // Handle escapes
         // if we have one more character, copy it over
-        if ((c = read_serial(i)) >= 0 && !serial_comment_mode[i])
+        if ((c = read_serial(i)) >= 0 && !serial_comment_mode[i]
+          #if ENABLED(PAREN_COMMENTS)
+            && !serial_comment_paren_mode[i]
+          #endif
+        )
           serial_line_buffer[i][serial_count[i]++] = (char)c;
       }
       else { // it's not a newline, carriage return or escape char
         if (serial_char == ';') serial_comment_mode[i] = true;
-        if (!serial_comment_mode[i]) serial_line_buffer[i][serial_count[i]++] = serial_char;
+        #if ENABLED(PAREN_COMMENTS)
+          else if (serial_char == '(') serial_comment_paren_mode[i] = true;
+          else if (serial_char == ')') serial_comment_paren_mode[i] = false;
+        #endif
+        else if (!serial_comment_mode[i]
+          #if ENABLED(PAREN_COMMENTS)
+            && ! serial_comment_paren_mode[i]
+          #endif
+        ) serial_line_buffer[i][serial_count[i]++] = serial_char;
       }
     } // for NUM_SERIAL
   } // queue has space, serial has data
@@ -424,7 +444,11 @@ inline void get_serial_commands() {
    */
   inline void get_sdcard_commands() {
     static bool stop_buffering = false,
-                sd_comment_mode = false;
+                sd_comment_mode = false
+                #if ENABLED(PAREN_COMMENTS)
+                  , sd_comment_paren_mode = false
+                #endif
+              ;
 
     if (!IS_SD_PRINTING) return;
 
@@ -445,7 +469,11 @@ inline void get_serial_commands() {
       card_eof = card.eof();
       if (card_eof || n == -1
           || sd_char == '\n' || sd_char == '\r'
-          || ((sd_char == '#' || sd_char == ':') && !sd_comment_mode)
+          || ((sd_char == '#' || sd_char == ':') && !sd_comment_mode
+            #if ENABLED(PAREN_COMMENTS)
+              && !sd_comment_paren_mode
+            #endif
+          )
       ) {
         if (card_eof) {
 
@@ -481,6 +509,9 @@ inline void get_serial_commands() {
         if (sd_char == '#') stop_buffering = true;
 
         sd_comment_mode = false; // for new command
+        #if ENABLED(PAREN_COMMENTS)
+          sd_comment_paren_mode = false;
+        #endif
 
         // Skip empty lines and comments
         if (!sd_count) { thermalManager.manage_heater(); continue; }
@@ -498,7 +529,15 @@ inline void get_serial_commands() {
       }
       else {
         if (sd_char == ';') sd_comment_mode = true;
-        if (!sd_comment_mode) command_queue[cmd_queue_index_w][sd_count++] = sd_char;
+        #if ENABLED(PAREN_COMMENTS)
+          else if (sd_char == '(') sd_comment_paren_mode = true;
+          else if (sd_char == ')') sd_comment_paren_mode = false;
+        #endif
+        else if (!sd_comment_mode
+          #if ENABLED(PAREN_COMMENTS)
+            && ! sd_comment_paren_mode
+          #endif
+        ) command_queue[cmd_queue_index_w][sd_count++] = sd_char;
       }
     }
   }

buildroot/share/tests/STM32F1_tests

@@ -5,8 +5,9 @@ set -e
 
 restore_configs
 opt_set MOTHERBOARD BOARD_STM32F1R
-opt_enable EEPROM_SETTINGS EEPROM_CHITCHAT REPRAP_DISCOUNT_SMART_CONTROLLER SDSUPPORT
+opt_enable EEPROM_SETTINGS EEPROM_CHITCHAT REPRAP_DISCOUNT_SMART_CONTROLLER SDSUPPORT \
-exec_test $1 $2 "STM32F1R EEPROM_SETTINGS EEPROM_CHITCHAT REPRAP_DISCOUNT_SMART_CONTROLLER SDSUPPORT"
+           PAREN_COMMENTS GCODE_MOTION_MODES
+exec_test $1 $2 "STM32F1R EEPROM_SETTINGS EEPROM_CHITCHAT REPRAP_DISCOUNT_SMART_CONTROLLER SDSUPPORT PAREN_COMMENTS GCODE_MOTION_MODES"
 
 opt_enable SPINDLE_LASER_ENABLE
 exec_test $1 $2 "STM32F1R SPINDLE_LASER_ENABLE"