diff --git a/grammars/asar.cson b/grammars/asar.cson
index ab80250..7fb5547 100644
--- a/grammars/asar.cson
+++ b/grammars/asar.cson
@@ -9,6 +9,8 @@ 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' }
@@ -189,7 +191,7 @@ repository:
       }
       # operators
       {
-        match: '[-+/*^><|#\\[\\](),=.!&]'
+        match: '[-+/*^><|#\\[\\]()=.!&]'
         name: 'keyword.operator.asar'
       }
       # TODO: Add built-in functions
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'
+      }
+    ]