diff --git a/README.md b/README.md
index 38bc5aa..f43e29c 100755
--- a/README.md
+++ b/README.md
@@ -3,7 +3,8 @@
 Adds syntax highlighting to 65816/65C816/65802/6502/65C02 files in Atom, with extra support for various compilers:
 
  - [ACME Crossassembler](https://sourceforge.net/projects/acme-crossass/)
- - [cc65 (SNES Syntax: 65816, SPC700, SuperFX)](http://oliverschmidt.github.io/cc65/)
+ - [Asar SNES Assembler](https://github.com/RPGHacker/asar)
+ - [cc65 (SNES Syntax: 65816, SPC700, SuperFX)](https://github.com/cc65/cc65)
  - [DASM](http://dasm-dillon.sourceforge.net/) (6502)
  - [EDASM](https://archive.org/details/EDASM-ProDOS_Assembler_Tools_Manual)
  - [Merlin](http://en.wikipedia.org/wiki/Merlin_(assembler))
diff --git a/grammars/6502 Assembly (DASM).cson b/grammars/6502 Assembly (DASM).cson
index ffa9cd1..4635b02 100644
--- a/grammars/6502 Assembly (DASM).cson	
+++ b/grammars/6502 Assembly (DASM).cson	
@@ -1,65 +1,112 @@
-'fileTypes': []
-'foldingStartMarker': '/\\*\\*|\\{\\s*$'
-'foldingStopMarker': '\\*\\*/|^\\s*\\}'
-'name': '6502 Assembly (DASM)'
-'patterns': [
-  {
-    'match': '\\b(adc|and|asl|bit|clc|cld|cli|clv|cmp|cpx|cpy|dec|dex|dey|eor|inc|inx|iny|lda|ldx|ldy|lsr|nop|ora|pha|php|pla|plp|rol|ror|sbc|sec|sed|sei|sta|stx|sty|tax|txa|tay|tya|tsx|txs)\\b'
-    'name': 'keyword'
-  }
-  {
-    'match': '\\b(bcc|bcs|beq|bmi|bne|bpl|brk|bvc|bvs|jmp|jsr|rti|rts)\\b'
-    'name': 'keyword.control'
-  }
-  {
-    'captures':
-      '1':
-        'name': 'punctuation.definition.comment'
-    'match': '(;).*$\\n?'
-    'name': 'comment.line.semicolon'
-  }
-  {
-    'match': '\\b(SET|WORD|BYTE|HEX)\\b'
-    'name': 'storage.type'
-  }
-  {
-    'match': '\\b(ALIGN)\\b'
-    'name': 'storage.modifier'
-  }
-  {
-    'match': '\\b(REPEAT|REPEND|MAC|ENDM|SUBROUTINE)\\b'
-    'name': 'support.function'
-  }
-  {
-    'match': '\\b(processor|org)\\b'
-    'name': 'constant.language'
-  }
-  {
-    'begin': '"'
-    'end': '"'
-    'name': 'string.quoted.double.untitled'
-    'patterns': [
+# Syntax highlighting for the DASM macro assembler
+
+scopeName: 'source.assembly.6502.dasm'
+fileTypes: []
+name: '6502 Assembly (DASM)'
+patterns: [
+  { include: 'source.6502-opcodes' }
+  { include: '#comments' }
+  { include: '#symbols' }
+  { include: '#directives' }
+]
+
+# Repository starts here ------------------------------------------------------
+repository:
+
+  # comments
+  comments:
+    patterns: [
+      # semicolon comments
       {
-        'match': '\\\\.'
-        'name': 'constant.character.escape.untitled'
+        match: ';.*$'
+        name: 'comment.line.semicolon.dasm'
+      }
+    ]
+
+  # symbols
+  symbols:
+    patterns: [
+      # strings
+      {
+        begin: '"'
+        beginCaptures:
+          0:
+            name: 'punctuation.definition.string.begin.dasm'
+        end: '"'
+        endCaptures:
+          0:
+            name: 'punctuation.definition.string.end.dasm'
+        name: 'string.quoted.double.dasm'
+      }
+      # global labels
+      {
+        captures:
+          1:
+            name: 'entity.name.function.label.dasm'
+        match: '\\b([A-Za-z0-9_]+):'
+        name: 'meta.function.label.dasm'
+      }
+      # local labels
+      {
+        captures:
+          1:
+            name: 'entity.name.function.label.dasm'
+        match: '\\.\\b([A-Za-z0-9_]+):'
+        name: 'meta.function.label.dasm'
+      }
+      # absolut addressing/numbers
+      {
+        match: '\\#(\'.\'|[^\\s\']+)'
+        name: 'constant.numeric.hex.dasm'
+      }
+      # hex, prefixed with dollar sign($)
+      {
+        match: '-?\\$\\b[a-fA-F0-9]+\\b'
+        name: 'constant.numeric.hex.dasm'
+      }
+      # octal, prefixed with zero(0)
+      {
+        match: '-?\\b0[1-7]+\\b'
+        name: 'constant.numeric.octal.dasm'
+      }
+      # binary
+      {
+        match: '%[01]+'
+        name: 'constant.numeric.binary.65816-generic'
+      }
+      # decimal
+      {
+        match: '\\b([0-9]+)\\b'
+        name: 'constant.numeric.decimal.65816-generic'
+      }
+    ]
+
+    # directives
+  directives:
+    patterns: [
+      # file and symbol control
+      {
+        match: '\\b(?i:seg(\\.u)?|include|incbin|incdir|hex|err|r?org|processor|echo|rend|align|subroutine)\\b'
+        name: 'support.function.pseudo.dasm'
+      }
+      # data control
+      {
+        match: '\\b(?i:d[csv](.bwl)?|hex|eq[um]|set|list\\s(on|off))\\b'
+        name: 'support.function.pseudo.dasm'
+      }
+      # data control II
+      {
+        match: '\\.\\b(?i:byte|word)\\b'
+        name: 'support.function.pseudo.dasm'
+      }
+      # Macro control
+      {
+        match:  '\\b(?i:mac|endm|mexit)\\b'
+        name:   'support.function.pseudo.acme'
+      }
+      # Conditional control
+      {
+        match:  '\\b(?i:ifn?const|if|else|e(nd)?if|repeat|repend)\\b'
+        name:   'keyword.control.conditional.acme'
       }
     ]
-  }
-  {
-    'match': '^[A-Za-z_][A-Za-z0-9_]*'
-    'name': 'entity.name.label'
-  }
-  {
-    'match': '^\\.[A-Za-z_][A-Za-z0-9_]*'
-    'name': 'entity.name.label.local'
-  }
-  {
-    'match': '#?\\$[0-9a-fA-F]+'
-    'name': 'constant.numeric.hex'
-  }
-  {
-    'match': '{[0-9]+}'
-    'name': 'variable.parameter.macro'
-  }
-]
-'scopeName': 'source.assembly.6502.dasm'
diff --git a/grammars/65816-generic.cson b/grammars/65816-generic.cson
index 4807f6c..68da195 100644
--- a/grammars/65816-generic.cson
+++ b/grammars/65816-generic.cson
@@ -5,7 +5,7 @@ fileTypes: []
 name: '65816 Assembly'
 patterns: [
   { include: 'source.65816-opcodes' }  # add basic 65816 instruction set, includes 6502 and 65c02 opcodes
-  { include: 'source.65816l-opcodes' } # extend with 6502X opcodes
+  { include: 'source.65816l-opcodes' } # extend with 65816L opcodes
   { include: '#comments' }
   { include: '#symbols' }
 ]
@@ -35,21 +35,21 @@ repository:
         endCaptures:
           0:
             name: 'punctuation.definition.string.end.65816-generic'
-        name: 'string.quoted.double.assembly.65816-generic'
+        name: 'string.quoted.double.65816-generic'
       }
       # absolut address/number
       {
         match: '\\#(\'.\'|[^\\s\']+)'
         name: 'constant.numeric.hex.65816-generic'
       }
-      # hex, prefixed with ampersand($)
+      # hex, prefixed with dollar sign($)
       {
-        match: '-?\\$[A-Fa-f0-9]+'
+        match: '-?\\$\\b[a-fA-F0-9]+\\b'
         name: 'constant.numeric.hex.65816-generic'
       }
       # hex, suffixed with h(h)
       {
-        match: '-?([0-9]+)h'
+        match: '-?([a-fA-F0-9]+)h'
         name: 'constant.numeric.hex.65816-generic'
       }
       # binary
diff --git a/grammars/65816alt-opcodes.cson b/grammars/65816alt-opcodes.cson
new file mode 100644
index 0000000..9c65693
--- /dev/null
+++ b/grammars/65816alt-opcodes.cson
@@ -0,0 +1,23 @@
+# Pseudo opcodes for the 65816 used by some assemblers
+
+scopeName: 'source.65816alt-opcodes'
+
+patterns: [
+  # The 65816 instruction set
+  {
+    include: '#mnemonics-65816alt'
+  }
+]
+
+# Respository starts here -----------------------------------------------------
+repository:
+
+  # 65816 instruction set
+  'mnemonics-65816alt':
+    patterns: [
+      # mnemonics
+      {
+        match:  '\\b(?i:tas|tsa|swa|tad|tda|blt|bge)\\b'
+        name:   'keyword.mnemonic.65816.65816alt-opcodes'
+      }
+    ]
diff --git a/grammars/65c02-generic.cson b/grammars/65c02-generic.cson
index 4b007cc..b621158 100644
--- a/grammars/65c02-generic.cson
+++ b/grammars/65c02-generic.cson
@@ -4,7 +4,7 @@ scopeName: 'source.assembly.6502.65c02-generic'
 fileTypes: []
 name: '6502 Assembly'
 patterns: [
-  { include: 'source.65c02-opcodes' }  # add basic 65816 instruction set, includes 6502 and 65c02 opcodes
+  { include: 'source.65c02-opcodes' }  # include 6502 and 65c02 opcodes
   { include: 'source.6502x-opcodes' }
   { include: '#comments' }
   { include: '#symbols' }
@@ -35,7 +35,7 @@ repository:
         endCaptures:
           0:
             name: 'punctuation.definition.string.end.65c02-generic'
-        name: 'string.quoted.double.assembly.65c02-generic'
+        name: 'string.quoted.double.65c02-generic'
       }
       # absolut address/number
       {
@@ -44,12 +44,12 @@ repository:
       }
       # hex, prefixed with ampersand($)
       {
-        match: '-?\\$[A-Fa-f0-9]+'
+        match: '-?\\$\\b[A-Fa-f0-9]+\\b'
         name: 'constant.numeric.hex.65c02-generic'
       }
       # hex, suffixed with h(h)
       {
-        match: '-?([0-9]+)h'
+        match: '-?([a-fA-F0-9]+)h'
         name: 'constant.numeric.hex.65c02-generic'
       }
       # binary
diff --git a/grammars/acme.cson b/grammars/acme.cson
index 23566c1..8acf08f 100644
--- a/grammars/acme.cson
+++ b/grammars/acme.cson
@@ -43,7 +43,7 @@ repository:
         endCaptures:
           0:
             name: 'punctuation.definition.string.end.acme'
-        name: 'string.quoted.double.assembly.acme'
+        name: 'string.quoted.double.acme'
       }
       # absolut addressing/numbering
       {
diff --git a/grammars/asar.cson b/grammars/asar.cson
new file mode 100644
index 0000000..7fb5547
--- /dev/null
+++ b/grammars/asar.cson
@@ -0,0 +1,198 @@
+# Adds Syntax highlighting for the Asar SNES Assembler
+
+scopeName: 'source.assembly.65816.asar'
+fileTypes: [
+  'asm'
+]
+name: 'Asar SNES Assembler'
+patterns: [
+  { include: 'source.65816-opcodes' }
+  { include: 'source.65816l-opcodes' }
+  { include: 'source.65816alt-opcodes' }
+  { include: 'source.spc700-opcodes' }
+  { include: 'source.superfx-opcodes' }
+  { include: '#comments' }
+  { include: '#symbols' }
+  { include: '#directives' }
+]
+
+# Repository starts here ------------------------------------------------------
+repository:
+
+  # comments
+  comments:
+    patterns: [
+      # semicolon line comment
+      {
+        match: ';.*$'
+        name: 'comment.line.semicolon.asar'
+      }
+    ]
+
+  # symbols
+  symbols:
+    patterns: [
+      # delimited strings
+      {
+        begin: '"'
+        beginCaptures:
+          0: name: 'punctuation.definition.string.begin.asar'
+        end: '"'
+        endCaptures:
+          0: name: 'punctuation.definition.string.end.asar'
+        name: 'string.quoted.double.assembly.asar'
+      }
+      # labels
+      {
+        captures:
+          1: name: 'entity.name.function.label.asar'
+          2: name: 'entity.name.function.label.asar'
+        match: '(\\.*)\\b([A-Za-z0-9_]+):'
+        name: 'meta.label.asar'
+      }
+      # defines
+      {
+        captures:
+          1: name: 'keyword.operator.asar'
+          2: name: 'entity.name.function.label.asar'
+        match: '(!)\\b([A-Za-z0-9_]+)\\b'
+        name: 'meta.define.asar'
+      }
+      # absolut address/number
+      {
+        match: '\\#(\'.\'|[^\\s\']+)'
+        name: 'constant.numeric.hex.asar'
+      }
+      # hex, prefixed with ampersand($)
+      {
+        match: '-?\\$[A-Fa-f0-9]+'
+        name: 'constant.numeric.hex.asar'
+      }
+      # binary
+      {
+        match: '-?%[01]+'
+        name: 'constant.numeric.binary.asar'
+      }
+      # decimal
+      {
+        match: '-?\\b([0-9]+)\\b'
+        name: 'constant.numeric.decimal.asar'
+      }
+    ]
+
+  # assembler directives
+  directives:
+    patterns: [
+      # arch command
+      {
+        captures:
+          1: name: 'support.function.pseudo.asar'
+          2: name: 'constant.language.asar'
+        match: '\\b(arch)\\s+(65816|spc700(-inline)?|superfx)'
+        name: 'meta.arch.directive.asar'
+      }
+      # warn xkas command
+      {
+        captures:
+          1: name: 'support.function.pseudo.asar'
+          2: name: 'support.function.pseudo.asar'
+          3: name: 'constant.language.asar'
+        match: '\\b(warn)\\s+(xkas)\\s+(on|off)\\b'
+        name: 'meta.warn.directive.asar'
+      }
+      # math command
+      {
+        captures:
+          1: name: 'support.function.pseudo.asar'
+          2: name: 'support.function.pseudo.asar'
+          3: name: 'constant.language.asar'
+        match: '\\b(math)\\s+(pri|round)\\s+(on|off)\\b'
+        name: 'meta.math.directive.asar'
+      }
+      # namespace command
+      {
+        begin: '\\b(namespace)\\b'
+        captures:
+          1:
+            name: 'support.function.pseudo.asar'
+        end: '$'
+        name: 'meta.namespace.directive.asar'
+        patterns: [
+          # nested
+          {
+            captures:
+              1: name: 'support.function.pseudo.asar'
+              2: name: 'constant.language.asar'
+            match: '\\b(nested)\\s+(on|off)\\b'
+            name: 'meta.namespace.nested.asar'
+          }
+          # off
+          {
+            match: '\\b(off)\\b'
+            name: 'constant.language.asar'
+          }
+          # identifier
+          {
+            match: '\\b[a-zA-Z0-9_]+\\b'
+            name: 'entity.name.function.label.asar'
+          }
+        ]
+      }
+      # base command
+      {
+        captures:
+          1: name: 'support.function.pseudo.asar'
+          2: name: 'constant.language.asar'
+        match: '\\b(base)\\s+(off)*'
+        name: 'meta.base.directive.asar'
+      }
+      # bank command
+      {
+        captures:
+          1: name: 'support.function.pseudo.asar'
+          2: name: 'constant.language.asar'
+        match: '\\b(bank)\\s+(noassume|auto)*'
+        name: 'meta.bank.directive.asar'
+      }
+      # struct command
+      {
+        captures:
+          1: name: 'support.function.pseudo.asar'
+          2: name: 'entity.name.function.label.asar'
+          3: name: 'constant.numeric.hex.asar'
+        match: '\\b(struct)\\s+([a-zA-Z0-9_]+)\\s+(\\S+)\\b'
+        name: 'meta.struct.directive.asar'
+      }
+      # endstruct command
+      {
+        captures:
+          1: name: 'support.function.pseudo.asar'
+          2: name: 'support.function.pseudo.asar'
+          3: name: 'constant.numeric.decimal.asar'
+        match: '\\b(endstruct)\\s+(align)*\\s+(\\S+)*'
+        name: 'meta.struct.directive.asar'
+      }
+      # data control
+      {
+        match: '\\b(inc(bin|src)|(push|pull)(pc|base)|warnpc|skip|asar|org|rep|d[bdlw]|(ex)?(lo|hi)rom|(full)?sa1rom|(no|sfx)rom|function)\\b'
+        name: 'support.function.pseudo.asar'
+      }
+      # conditional control
+      {
+        match: '\\b((end)?if)\\b'
+        name: 'keyword.control.conditional.asar'
+      }
+      # macro control
+      # TODO: fix identifier
+      {
+        match: '\\b((end)?macro)\\b'
+        # name: 'support.function.pseudo.asar'
+        name: 'keyword.directive.macro.asar'
+      }
+      # operators
+      {
+        match: '[-+/*^><|#\\[\\]()=.!&]'
+        name: 'keyword.operator.asar'
+      }
+      # TODO: Add built-in functions
+    ]
diff --git a/grammars/cc65-directives.cson b/grammars/cc65-directives.cson
index 88b1e86..7ab35b0 100644
--- a/grammars/cc65-directives.cson
+++ b/grammars/cc65-directives.cson
@@ -24,6 +24,7 @@ repository:
   # symbols
   symbols:
     patterns: [
+      # strings
       {
         begin: '"'
         beginCaptures:
@@ -33,21 +34,21 @@ repository:
         endCaptures:
           0:
             name: 'punctuation.definition.string.end.cc65-directives'
-        name: 'string.quoted.double.assembly.cc65-directives'
+        name: 'string.quoted.double.cc65-directives'
       }
-      # absolut address/number
+      # absolut addressing/numbers
       {
         match: '\\#(\'.\'|[^\\s\']+)'
         name: 'constant.numeric.hex.cc65-directives'
       }
-      # hex, prefixed with ampersand($)
+      # hex, prefixed with dollar sign($)
       {
-        match: '-?\\$[A-Fa-f0-9]+'
+        match: '-?\\$\\b[a-fA-F0-9]+\\b'
         name: 'constant.numeric.hex.cc65-directives'
       }
       # hex, suffixed with h(h)
       {
-        match: '-?([0-9]+)h'
+        match: '-?\\b([a-fA-F0-9]+)h\\b'
         name: 'constant.numeric.hex.cc65-directives'
       }
       # binary
@@ -67,43 +68,48 @@ repository:
     patterns: [
       # ca65 pseudo variables
       {
-        match:  '(\\.)?\\b(?i:\\*|asize|cpu|isize|paramcount|time|version)\\b'
+        match:  '(\\.)\\b(?i:\\*|asize|cpu|isize|paramcount|time|version)\\b'
         name:   'support.function.pseudo.cc65-directives'
       }
       # ca65 pseudo functions
       {
-        match:  '(\\.)?\\b(?i:addrsize|bank(byte)?|blank|con(cat|st)|(hi|lo)(byte|word)|ident|left|x?match|max|mi[dn]|ref(erenced)?|right|sizeof|strat|sprintf|str(ing|len)|tcount)\\b'
+        match:  '(\\.)\\b(?i:addrsize|bank(byte)?|blank|con(cat|st)|(hi|lo)(byte|word)|ident|left|x?match|max|mi[dn]|ref(erenced)?|right|sizeof|strat|sprintf|str(ing|len)|tcount)\\b'
         name:   'support.function.pseudo.cc65-directives'
       }
       # ca65 control commands, A through C
       {
-        match:  '(\\.)?\\b(?i:a(8|16)|addr|align|asciiz|assert|autoimport|(bank|hi)bytes|bss|byte?|case|charmap|code|condes|(con|de)structor)\\b'
-        name:   'storage.modifier.cc65-directives'
+        match:  '(\\.)\\b(?i:a(8|16)|addr|align|asciiz|assert|autoimport|(bank|hi)bytes|bss|byte?|case|charmap|code|condes|(con|de)structor)\\b'
+        name:   'support.function.pseudo.cc65-directives'
       }
       # ca65 control commands, D and E
       {
-        match:  '(\\.)?\\b(?i:data|dbyt|debuginfo|define|delmac(ro)?|def(ined(macro)?)?|dword|else(if)?|end(enum)?|end(enum|if|proc|rep(eat)?|scope|struct|union)?|endmac(ro)?|enum|error|exitmac(ro)?|export(zp)?)\\b'
-        name:   'storage.modifier.cc65-directives'
+        match:  '(\\.)\\b(?i:data|dbyt|debuginfo|define|delmac(ro)?|def(ined(macro)?)?|dword|else(if)?|end(enum)?|end(enum|if|proc|rep(eat)?|scope|struct|union)?|endmac(ro)?|enum|error|exitmac(ro)?|export(zp)?)\\b'
+        name:   'support.function.pseudo.cc65-directives'
       }
       # ca65 control commands, F through I
       {
-        match:  '(\\.)?\\b(?i:faraddr|fatal|feature|f(ile)?opt|forceimport|global(zp)?|i(8|16)|if((n)?blank|const|(n)?def|(n)?ref|p02|p4510|p816|p(s)?c02)?|import(zp)?|inc(bin|lude)|interruptor|ismnem(onic)?)\\b'
-        name:   'storage.modifier.cc65-directives'
+        match:  '(\\.)\\b(?i:faraddr|fatal|feature|f(ile)?opt|forceimport|global(zp)?|i(8|16)|if((n)?blank|const|(n)?def|(n)?ref|p02|p4510|p816|p(s)?c02)?|import(zp)?|inc(bin|lude)|interruptor|ismnem(onic)?)\\b'
+        name:   'support.function.pseudo.cc65-directives'
       }
       # ca65 control commands, L through R
       {
-        match:  '(\\.)?\\b(?i:linecont|list(bytes)?|lobytes|local(char)?|macpack|mac(ro)?|org|out|p02|p4510|p816|pagelen(gth)?|pc02|pop(cpu|seg)|proc|psc02|push(cpu|seg)|reloc|repeat|res|rodata)\\b'
-        name:   'storage.modifier.cc65-directives'
+        match:  '(\\.)\\b(?i:linecont|list(bytes)?|lobytes|local(char)?|macpack|mac(ro)?|org|out|p02|p4510|p816|pagelen(gth)?|pc02|pop(cpu|seg)|proc|psc02|push(cpu|seg)|reloc|repeat|res|rodata)\\b'
+        name:   'support.function.pseudo.cc65-directives'
       }
       # ca65 control commands, S through Z
       {
-        match:  '(\\.)?\\b(?i:scope|segment|set(cpu)?|smart|struct|tag|undef(ine)?|union|warning|word|zeropage)\\b'
-        name:   'storage.modifier.cc65-directives'
+        match:  '(\\.)\\b(?i:scope|segment|set(cpu)?|smart|struct|tag|undef(ine)?|union|warning|word|zeropage)\\b'
+        name:   'support.function.pseudo.cc65-directives'
       }
       # CPU constants
       {
-        match:  '\\b(CPU_6502|CPU_65SC02|CPU_65C02|CPU_65816|CPU_SWEET16|CPU_HUC6280|CPU_ISET_6502|CPU_ISET_65SC02|CPU_ISET_65C02|CPU_ISET_65816|CPU_ISET_SWEET16|CPU_ISET_HUC6280|__APPLE2__|__APPLE2ENH__|__ATARI__|__ATARIXL__|__ATMOS__|__BBC__|__C128__|__C16__|__C64__|__CBM__|__CBM510__|__CBM610__|__GEOS__|__GEOS_APPLE__|__GEOS_CBM__|__LUNIX__|__LYNX__|__NES__|__PET__|__PLUS4__|__SIM6502__|__SIM65C02__|__SUPERVISION__|__VIC20__)\\b'
-        name:   'constant.other.cc65-directives'
+        match:  '\\b(CPU_6502|CPU_65SC02|CPU_65C02|CPU_65816|CPU_SWEET16|CPU_HUC6280|CPU_ISET_6502|CPU_ISET_65SC02|CPU_ISET_65C02|CPU_ISET_65816|CPU_ISET_SWEET16|CPU_ISET_HUC6280|__APPLE2__|__APPLE2ENH__|__ATARI__|__ATARIXL__|__ATMOS__|__BBC__|__C128__|__C16__|__C64__|__CBM__|__CBM510__|__CBM610__|__GEOS__|__GEOS_APPLE__|__GEOS_CBM__|__LUNIX__|__LYNX__|__NES__|__PET__|__PLUS4__|__SIM6502__|__SIM65C02__|__SUPERVISION__|__VIC20__|VER_MAJOR|VER_MINOR)\\b'
+        name:   'constant.language.cc65-directives'
+      }
+      # address sizes, macpack packages
+      {
+        match:  '\\b(?i:direct|zeropage|zp|absolute|abs|near|far|long|dword|atari|cbm|cpu|generic|longbranch)\\b'
+        name:   'constant.language.cc65-directives'
       }
       # Operators
       {
diff --git a/grammars/cc65-linker-config.cson b/grammars/cc65-linker-config.cson
new file mode 100644
index 0000000..e9cd2ed
--- /dev/null
+++ b/grammars/cc65-linker-config.cson
@@ -0,0 +1,101 @@
+# Syntax Highlighting for linker config files used with ld65 of the cc65 toolchain
+
+scopeName: 'source.assembly.cc65-linker-config'
+name: 'Linker Config File (cc65)'      # Name shown in Atom Editor grammar selection
+# File extensions associated with this grammar
+fileTypes: [
+  'cfg'
+  'txt'
+]
+# include all directives and commands the toolchain supports
+patterns: [
+  { include: '#comments' }
+  { include: '#symbols' }
+]
+
+# Repository starts here ------------------------------------------------------
+repository:
+
+  # comments
+  comments:
+    patterns: [
+      # hash comments
+      {
+        match:  '\\#.*$'
+        name:   'comment.line.cc65-linker-config'
+      }
+    ]
+
+  # symbols
+  symbols:
+    patterns: [
+      # strings
+      {
+        begin: '"'
+        beginCaptures:
+          0:
+            name: 'punctuation.definition.string.begin.cc65-linker-config'
+        end: '"'
+        endCaptures:
+          0:
+            name: 'punctuation.definition.string.end.cc65-linker-config'
+        name: 'string.quoted.double.cc65-linker-config'
+      }
+      # hex, prefixed with dollar sign($)
+      {
+        match: '\\$\\b[a-fA-F0-9]+\\b'
+        name: 'constant.numeric.hex.cc65-linker-config'
+      }
+      # hex, suffixed with h(h)
+      {
+        match: '\\b([a-fA-F0-9]+)h\\b'
+        name: 'constant.numeric.hex.cc65-linker-config'
+      }
+      # binary
+      {
+        match: '%[01]+'
+        name: 'constant.numeric.binary.cc65-linker-config'
+      }
+      # decimal
+      {
+        match: '\\b([0-9]+)\\b'
+        name: 'constant.numeric.decimal.cc65-linker-config'
+      }
+      # areas
+      {
+        match: '\\b(?i:memory|segments|files|formats|features|symbols|once|lowcode|startup|zpsave)\\b'
+        name: 'storage.modifier.cc65-linker-config'
+      }
+      # labels
+      {
+        captures:
+          1: name: 'entity.name.function.label.cc65-linker-config'
+        match: '\\b([A-Za-z0-9_]+):'
+        name: 'meta.function.label.cc65-linker-config'
+      }
+      # attributes
+      {
+        match: '\\b(?i:load|type|define|start|size|fill|file|run|format|os|version|import|export|label|count|segment|order|default|addrsize|align)\\b'
+        name: 'storage.modifier.cc65-linker-config'
+      }
+      # linker constants
+      {
+        match:  '\\b(__NAME_LOAD__|__NAME_RUN__|__NAME_SIZE__|__DATA_LOAD__|__DATA_RUN__|__DATA_SIZE__|__STACK_START__|__STACK_SIZE__|__STACK_LAST__|__STACK_FILEOFFS__)\\b'
+        name:   'constant.language.cc65-linker-config'
+      }
+      # address sizes, functions
+      {
+        match:  '\\b(?i:direct|zeropage|zp|absolut|abs|near|far|long|dword|atari|cbm|cpu|generic|longbranch|yes|ro|rw|bss|weak)\\b'
+        name:   'constant.other.cc65-linker-config'
+      }
+      # case sensitive symbols
+      {
+        match:  '(%\\bO|\\bo65)\\b'
+        name:   'constant.other.cc65-linker-config'
+      }
+      # operators
+      {
+        match:  '='
+        name:   'keyword.operator.cc65-linker-config'
+      }
+    ]
diff --git a/grammars/merlin.cson b/grammars/merlin.cson
index 9beaad0..df966e8 100644
--- a/grammars/merlin.cson
+++ b/grammars/merlin.cson
@@ -1,228 +1,217 @@
-'fileTypes': []
-'name': 'Merlin'
-'patterns': [
-  {
-    'include': '#M6502'
-  }
-  {
-    'include': '#M65C02'
-  }
-  {
-    'include': '#M65816'
-  }
-  {
-    'include': '#M65816L'
-  }
-  {
-    'include': '#hex_number'
-  }
-  {
-    'include': '#decimal_number'
-  }
-  {
-    'match': '%[01][01_]*'
-    'name': 'constant.numeric.binary'
-  }
-  {
-    'match': '\\b(?i:TAS|TSA|SWA|TAD|TDA|BLT|BGE)\\b'
-    'name': 'keyword.mnemonic.65816.alt'
-  }
-  {
-    'match': '(?<=,)([xXyYsS])\\b'
-    'name': 'variable.language.register'
-  }
-  {
-    'begin': '"'
-    'end': '"'
-    'name': 'string.quoted.double'
-  }
-  {
-    'begin': '\''
-    'end': '\''
-    'name': 'string.quoted.single'
-  }
-  {
-    'match': '^[*].*'
-    'name': 'comment.line'
-  }
-  {
-    'match': ';.*'
-    'name': 'comment.line'
-  }
-  {
-    'match': '^][0-~]*\\b'
-    'name': 'entity.name.label.variable'
-  }
-  {
-    'match': '^:[0-~]*\\b'
-    'name': 'entity.name.label.local'
-  }
-  {
-    'match': '^[:-~][0-~]*\\b'
-    'name': 'entity.name.function'
-  }
-  {
-    'captures':
-      '1':
-        'name': 'keyword.directive'
-      '2':
-        'name': 'string.quoted.other.path'
-    'comment': 'eg: KEEP pathname'
-    'match': '\\b((?i)DSK|PUT|USE|SAV)\\s+(\\S*)'
-    'name': 'meta.path.directive'
-  }
-  {
-    'captures':
-      '1':
-        'name': 'keyword.directive'
-      '2':
-        'name': 'constant.language'
-    'comment': 'eg: KEEP pathname'
-    'match': '\\b((?i)CYC)\\s+((?i)ON|OFF|AVE)\\b'
-    'name': 'meta.cyc.directive'
-  }
-  {
-    'captures':
-      '1':
-        'name': 'keyword.directive'
-      '2':
-        'name': 'constant.language'
-    'comment': 'eg: KEEP pathname'
-    'match': '\\b((?i)EXP)\\s+((?i)ON|OFF|ONLY)\\b'
-    'name': 'meta.exp.directive'
-  }
-  {
-    'captures':
-      '1':
-        'name': 'keyword.directive'
-      '2':
-        'name': 'constant.language'
-    'comment': 'eg: KEEP pathname'
-    'match': '\\b((?i)LST)\\s+((?i)ON|OFF|RTN)\\b'
-    'name': 'meta.lst.directive'
-  }
-  {
-    'captures':
-      '1':
-        'name': 'keyword.directive'
-      '2':
-        'name': 'constant.language'
-    'comment': 'eg: KEEP pathname'
-    'match': '\\b((?i)LST)\\s+((?i)OFF)\\b'
-    'name': 'meta.lstdo.directive'
-  }
-  {
-    'captures':
-      '1':
-        'name': 'keyword.directive'
-      '2':
-        'name': 'constant.language'
-    'comment': 'eg: KEEP pathname'
-    'match': '\\b((?i)TR)\\s+((?i)ON|OFF|ADR)\\b'
-    'name': 'meta.tr.directive'
-  }
-  {
-    'captures':
-      '1':
-        'name': 'keyword.directive.string'
-      '2':
-        'name': 'string.delimited.begin'
-      '3':
-        'name': 'string.delimited'
-      '4':
-        'name': 'string.delimited.end'
-      '5':
-        'name': 'keyword.operator'
-      '6':
-        'name': 'constant.numeric.hexadecimal'
-    'comment': 'optional trailing hex data'
-    'match': '\\b((?i)ASC|DCI|INV|FLS|STR)\\s+(\\S)(.*?)(\\2|$)(,([0-9A-Fa-f]+))?'
-    'name': 'meta.string.delimited'
-  }
-  {
-    'captures':
-      '1':
-        'name': 'keyword.directive.string'
-      '2':
-        'name': 'string.delimited.begin'
-      '3':
-        'name': 'string.delimited'
-      '4':
-        'name': 'string.delimited.end'
-    'match': '\\b((?i)REV)\\s+(\\S)(.*?)(\\2|$)'
-    'name': 'meta.string.delimited.rev'
-  }
-  {
-    'begin': '\\b((?i)HEX)\\b'
-    'captures':
-      '1':
-        'name': 'keyword.directive.data'
-    'comment': 'HEX has a list of hex bytes w/o the $'
-    'end': '$'
-    'name': 'meta.hex'
-    'patterns': [
+scopeName: 'source.assembly.65816.merlin'
+fileTypes: []
+name: 'Merlin'
+patterns: [
+  { include: 'source.65c02-opcodes' }
+  { include: 'source.65816-opcodes' }
+  { include: 'source.65816l-opcodes' }
+  { include: 'source.65816alt-opcodes' }
+  { include: '#comments' }
+  { include: '#symbols' }
+  { include: '#directives' }
+  # registers
+  # TODO: fix registers
+  # {
+  #   'match': '(?<=,)([xXyYsS])\\b'
+  #   'name': 'variable.language.register'
+  # }
+]
+
+
+repository:
+
+  # comments
+  comments:
+    patterns: [
+      # asterisk line comment
       {
-        'match': '\\b[0-9A-Fa-f]{1,2}\\b'
-        'name': 'constant.numeric.hex'
+        match: '^[*].*'
+        name: 'comment.line.asterisk.merlin'
       }
+      # semicolon line comment
       {
-        'match': ';.*$'
-        'name': 'comment.line'
-      }
-      {
-        'match': ','
-        'name': 'keyword.operator'
-      }
-      {
-        'match': '\\S'
-        'name': 'invalid.illegal'
+        match: ';.*$'
+        name: 'comment.line.semicolon.merlin'
+      }
+    ]
+
+  # symbols
+  symbols:
+    patterns: [
+    # delimited strings
+      {
+        begin: '[\'"]'
+        beginCaptures:
+          0: name: 'punctuation.definition.string.begin.merlin'
+        end: '[\'"]'
+        endCaptures:
+          0: name: 'punctuation.definition.string.end.merlin'
+        name: 'string.quoted.double.assembly.merlin'
+      }
+    # TODO: highlight strings with all valid delimiters
+      # {
+      #   captures:
+      #     1: name: 'string.delimited.begin.merlin'
+      #     2: name: 'string.delimited.merlin'
+      #     3: name: 'string.delimited.end.merlin'
+      #   match: '\\b(\\S)(.*?)(\\1)\\b'
+      # }
+      # TODO: fix label scopes
+      # Variables
+      {
+        match:  '^][:-~][0-~]+'
+        # name:   'variable.named.merlin'
+        name:   'entity.name.function.label.merlin'
+      }
+      # Local labels
+      {
+        match:  '^:[:-~][0-~]+'
+        name:   'entity.name.function.label.merlin'
+      }
+      # Global labels
+      {
+        match:  '^[:-~][0-~]+'
+        name:   'entity.name.function.merlin'
+      }
+      # absolut address/number
+      {
+        match: '\\#(\'.\'|[^\\s\']+)'
+        name: 'constant.numeric.hex.merlin'
+      }
+      # hex, prefixed with ampersand($)
+      {
+        match: '-?\\$[A-Fa-f0-9]+'
+        name: 'constant.numeric.hex.merlin'
+      }
+      # octal, prefixed with @
+      {
+        match: '@([0-7]+)\\b'
+        name: 'constant.numeric.octal.merlin'
+      }
+      # binary
+      {
+        match: '%[01]+'
+        name: 'constant.numeric.binary.merlin'
+      }
+      # decimal
+      {
+        match: '\\b([0-9]+)\\b'
+        name: 'constant.numeric.decimal.merlin'
+      }
+    ]
+
+  # assembler directives
+  directives:
+    patterns: [
+      # file control
+      {
+        match: '\\b(?i:equ|ext|ent|org|rel|obj|var|typ|end|dum|dend|ast|dat|lstdo|pag|ttl|skp|chk|err|kbd|lup|--\\^|mx|pau|sw|usr|xc)\\b'
+        name: 'keyword.directive.merlin'
+      }
+      # data control
+      {
+        match: '\\b(?i:da|dw|ddb|db|dfb|adr|adrl|ds)\\b'
+        name: 'support.function.pseudo.merlin'
+      }
+      # conditional control
+      {
+        match: '\\b(?i:do|else|if|fin)\\b'
+        name: 'keyword.control.conditional.merlin'
+      }
+      # macro control
+      {
+        match: '\\b(?i:mac)\\b|<<<'
+        name: 'support.function.pseudo.merlin'
+        # name: 'keyword.directive.macro.merlin'
+      }
+      # operators
+      {
+        match: '[-+/*^><|#\\[\\](),=.!&]'
+        name: 'keyword.operator.merlin'
+      }
+      # disk commands
+      {
+        captures:
+          1: name: 'support.function.pseudo.merlin'
+          2: name: 'string.quoted.other.path.merlin'
+        match: '\\b((?i:dsk|put|use|sav))\\s+(\\S*)'
+        name: 'meta.disk.directive.merlin'
+      }
+      # cycle count
+      {
+        captures:
+          1: name: 'support.function.pseudo.merlin'
+          2: name: 'constant.language.merlin'
+        match: '\\b((?i:cyc))\\s+((?i:on|off|ave))\\b'
+        name: 'meta.cyc.directive.merlin'
+      }
+      # expand control
+      {
+        captures:
+          1: name: 'support.function.pseudo.merlin'
+          2: name: 'constant.language.merlin'
+        match: '\\b((?i:exp))\\s+((?i:on|off|only))\\b'
+        name: 'meta.exp.directive.merlin'
+      }
+      # list control
+      {
+        captures:
+          1: name: 'support.function.pseudo.merlin'
+          2: name: 'constant.language.merlin'
+        match: '\\b((?i:lst))\\s+((?i:off))\\b'
+        name: 'meta.exp.directive.merlin'
+      }
+      # truncation control
+      {
+        captures:
+          1: name: 'support.function.pseudo.merlin'
+          2: name: 'constant.language.merlin'
+        match: '\\b((?i:tr))\\s+((?i:on|off|adr))\\b'
+        name: 'meta.tr.directive.merlin'
+      }
+      # string command
+      {
+        captures:
+          1: name: 'support.function.pseudo.merlin'
+          2: name: 'string.delimited.begin.merlin'
+          3: name: 'string.delimited.merlin'
+          4: name: 'string.delimited.end.merlin'
+          5: name: 'constant.numeric.hex.merlin'
+        match: '\\b((?i:asc|dci|inv|fls|str))\\s+(\\S)(.*?)(\\2|\\S),([a-fA-F0-9]+)?'
+      }
+      # reverse command
+      {
+        captures:
+          1: name: 'support.function.pseudo.merlin'
+          2: name: 'string.delimited.begin.merlin'
+          3: name: 'string.delimited.merlin'
+          4: name: 'string.delimited.end.merlin'
+        match: '\\b((?i:rev))\\s+(\\S)(.*?)(\\2|$)'
+      }
+      # hex command
+      {
+        begin: '\\b((?i:hex))\\b'
+        captures:
+          1:
+            name: 'support.function.pseudo.merlin'
+        end: '$'
+        name: 'meta.hex.directive.merlin'
+        patterns: [
+          # hex without $
+          {
+            match: '\\b[a-fA-F0-9]{1,2}\\b'
+            name: 'constant.numeric.hex.merlin'
+          }
+          # semicolon comments
+          {
+            match: ';.*'
+            name: 'comment.line.semicolon.merlin'
+          }
+          # number check
+          {
+            match: '(?!,)\\S'
+            name: 'invalid.illegal.merlin'
+          }
+        ]
       }
     ]
-  }
-  {
-    'match': '\\b(?i:DSK|EQU|EXT|ENT|ORG|REL|OBJ|PUT|USE|VAR|SAV|TYP|END|DUM|DEND|AST|CYC|DAT|EXP|LST|LSTDO|PAG|TTL|SKP|TR|CHK|ERR|KBD|LUP|--\\^|MX|PAU|SW|USR|XC)\\b'
-    'name': 'keyword.directive'
-  }
-  {
-    'match': '\\b(?i:DA|DW|DDB|DB|DFB|ADR|ADRL|HEX|DS|ASC|DCI|INV|FLS|REV|STR)\\b'
-    'name': 'keyword.directive.data'
-  }
-  {
-    'match': '\\b(?i:DO|ELSE|IF|FIN)\\b'
-    'name': 'keyword.control.conditional'
-  }
-  {
-    'match': '\\b(?i:MAC)\\b|<<<'
-    'name': 'keyword.directive.macro'
-  }
-  {
-    'match': '[-+/*^><|#\\[\\](),=.!&]'
-    'name': 'keyword.operator'
-  }
-]
-'repository':
-  'M6502':
-    'match': '\\b(?i:ADC|AND|ASL|BCC|BCS|BEQ|BIT|BMI|BNE|BPL|BRK|BVC|BVS|CLC|CLD|CLI|CLV|CMP|CPX|CPY|DEC|DEX|DEY|EOR|INC|INX|INY|JMP|JSR|LDA|LDX|LDY|LSR|NOP|ORA|PHA|PHP|PLA|PLP|ROL|ROR|RTI|RTS|SBC|SEC|SED|SEI|STA|STX|STY|TAX|TAY|TSX|TXA|TXS|TYA)\\b'
-    'name': 'keyword.mnemonic.6502'
-  'M65816':
-    'match': '\\b(?i:BRL|COP|JML|JSL|MVN|MVP|PEA|PEI|PER|PHB|PHD|PHK|PLB|PLD|REP|RTL|SEP|TCD|TCS|TDC|TSC|TXY|TYX|WDM|XBA|XCE)\\b'
-    'name': 'keyword.mnemonic.65816'
-  'M65816L':
-    'match': '\\b(?i:ADCL|ANDL|CMPL|EORL|LDAL|ORAL|SBCL|STAL)\\b'
-    'name': 'keyword.mnemonic.65816.long'
-  'M65C02':
-    'match': '\\b(?i:BRA|PHX|PHY|PLX|PLY|STP|STZ|TRB|TSB|WAI)\\b'
-    'name': 'keyword.mnemonic.65c02'
-  'binary_number':
-    'match': '%[01]+'
-    'name': 'constant.numeric.binary'
-  'decimal_number':
-    'match': '\\b([0-9]+)\\b'
-    'name': 'constant.numeric.decimal'
-  'hex_number':
-    'match': '\\$[A-Fa-f0-9]+'
-    'name': 'constant.numeric.hex'
-  'octal_number':
-    'match': '@([0-7]+)\\b'
-    'name': 'constant.numeric.octal'
-'scopeName': 'source.assembly.65816.merlin'
diff --git a/grammars/spc700-opcodes.cson b/grammars/spc700-opcodes.cson
new file mode 100644
index 0000000..5ae8b8e
--- /dev/null
+++ b/grammars/spc700-opcodes.cson
@@ -0,0 +1,29 @@
+# Opcodes for the Sony SPC-700 audio processing unit used in the SNES
+
+scopeName: 'source.spc700-opcodes'
+
+patterns: [
+  # The SPC700 instruction set aliases
+  {
+    include: '#mnemonics-spc700'
+  }
+]
+
+# Respository starts here -----------------------------------------------------
+repository:
+
+  # SPC700 instruction set
+  'mnemonics-spc700':
+    patterns: [
+      # mnemonics
+      {
+        match:  '\\b(?i:ADC|ADDW|AND|AND1|ASL|BBC|BBS|BCC|BCS|BEQ|BMI|BNE|BPL|BVC|BVS|BRA|BRK|CALL|CBNE|CLR1|CLRC|CLRP|CLRV|CMP|CMPW|DAA|DAS|DBNZ|DEC|DECW|DI|DIV|EI|EOR|EOR1|INC|INCW|JMP|LSR|MOV|MOV1|MOVW|MUL|NOP|NOT1|NOTC|OR|OR1|PCALL|POP|PUSH|RET|RETI|ROL|ROR|SBC|SET1|SETC|SETP|SLEEP|STOP|SUBW|TCALL|TCLR1|TSET1|XCN)\\b'
+        name:   'keyword.mnemonic.spc700.spc700-opcodes'
+      }
+      # registers
+      {
+        match: '\\b(?i:F[0-9A-F]|SP|PC|PSW)\\b'
+        name: 'support.function.pseudo.spc700-opcodes'
+        # name: 'storage.other.register.spc700-opcodes'
+      }
+    ]
diff --git a/grammars/superfx-opcodes.cson b/grammars/superfx-opcodes.cson
new file mode 100644
index 0000000..7ff9b87
--- /dev/null
+++ b/grammars/superfx-opcodes.cson
@@ -0,0 +1,29 @@
+# Opcodes for the SuperFX DSP used in some SNES cartridges
+
+scopeName: 'source.superfx-opcodes'
+
+patterns: [
+  # The SPC700 instruction set aliases
+  {
+    include: '#mnemonics-superfx'
+  }
+]
+
+# Respository starts here -----------------------------------------------------
+repository:
+
+  # SuperFX instruction set
+  'mnemonics-superfx':
+    patterns: [
+      # mnemonics
+      {
+        match:  '\\b(?i:ADD|ADC|ALT1|ALT2|ALT3|AND|ASR|BCC|BCS|BEQ|BGE|BIC|BLT|BMI|BNE|BPL|BRA|BVC|BVS|CACHE|CMODE|CMP|COLOR|DEC|DIV2|FMULT|FROM|GETB|GETBH|GETBL|GETBS|GETC|HIB|IBT|INC|IWT|JAL|JMP|LDB|LDW|LEA|LINK|LJMP|LM|LMS|LMULT|LOB|LOOP|LSR|MERGE|MOVE|MOVEB|MOVES|MOVEW|MULT|NOP|NOT|OR|PLOT|POP|PUSH|RAMB|RET|ROL|ROMB|ROR|RPIX|SBC|SBK|SEX|SM|SMS|STB|STOP|STW|SUB|SWAP|TO|UMULT|WITH|XOR)\\b'
+        name:   'keyword.mnemonic.superfx.superfx-opcodes'
+      }
+      # registers
+      {
+        match: '\\b(?i:R0|R1|R2|R3|R4|R5|R6|R7|R8|R9|R10|R11|R12|R13|R14|R15|SP|LR|PC|SFR|BRAMR|PBR|ROMBR|CFGR|SCBR|CLSR|SCMR|VCR|RAMBR|CBR)\\b'
+        name: 'support.function.pseudo.superfx-opcodes'
+        # name: 'storage.other.register.superfx-opcodes'
+      }
+    ]
diff --git a/grammars/wdc-directives.cson b/grammars/wdc-directives.cson
index f51e699..b007c57 100644
--- a/grammars/wdc-directives.cson
+++ b/grammars/wdc-directives.cson
@@ -34,21 +34,21 @@ repository:
         endCaptures:
           0:
             name: 'punctuation.definition.string.end.wdc-toolchain'
-        name: 'string.quoted.double.assembly.wdc-toolchain'
+        name: 'string.quoted.double.wdc-toolchain'
       }
-      # absolut addressing/numbering
+      # absolut addressing/numbers
       {
         match: '\\#(\'.\'|[^\\s\']+)'
         name: 'constant.numeric.hex.wdc-toolchain'
       }
-      # hex, prefixed with ampersand($)
+      # hex, prefixed with dollar sign($)
       {
-        match: '-?\\$[A-Fa-f0-9]+'
+        match: '-?\\$\\b[a-fA-F0-9]+\\b'
         name: 'constant.numeric.hex.wdc-toolchain'
       }
       # hex, suffixed with h(h)
       {
-        match: '-?([0-9]+)h'
+        match: '-?\\b([a-fA-F0-9]+)h'
         name: 'constant.numeric.hex.wdc-toolchain'
       }
       # binary prefixed with %
@@ -63,7 +63,7 @@ repository:
       }
       # octal and decimal
       {
-        match: '\\b([0-9]+(d|o|q)?)\\b'
+        match: '\\b([0-9]+[doq]?)\\b'
         name: 'constant.numeric.decimal.wdc-toolchain'
       }
     ]
@@ -73,7 +73,7 @@ repository:
     patterns: [
       # File and Symbol control
       {
-        match:  '\\b(?i:append|include|insert|end(s|mod)?|exit|module|section|org|origin|equ(al)?|gequ|defl|set|var|extern(al|s)?|xref|globals?|public|xdef|message|messg|efunc|incdebug)\\b'
+        match:  '\\b(?i:append|include|insert|end(s|mod)?|exit|module|section|ref_only|org|origin|equ(al)?|gequ|defl|set|var|extern(al|s)?|xref|globals?|public|xdef|message|messg|efunc|incdebug)\\b'
         name:   'support.function.pseudo.wdc-toolchain'
       }
       # Parsing control
@@ -108,7 +108,7 @@ repository:
       }
       # Operators II
       {
-        match:  '\\b(?i:and|not|mod|sh[lr]|x?or|eq|u?[gl]t)\\b'
+        match:  '\\.\\b(?i:and|not|mod|sh[lr]|x?or|eq|u?[gl]t)\\b\\.'
         name:   'keyword.operator.wdc-toolchain'
       }
     ]