diff --git a/grammars/6502 Assembly (DASM).cson b/grammars/6502 Assembly (DASM).cson
new file mode 100644
index 0000000..ffa9cd1
--- /dev/null
+++ b/grammars/6502 Assembly (DASM).cson	
@@ -0,0 +1,65 @@
+'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': [
+      {
+        'match': '\\\\.'
+        'name': 'constant.character.escape.untitled'
+      }
+    ]
+  }
+  {
+    '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'