diff --git a/languages.toml b/languages.toml
index c51d65062..a58e5b5f1 100644
--- a/languages.toml
+++ b/languages.toml
@@ -2691,7 +2691,7 @@ indent = { tab-width = 2, unit = "  " }
 
 [[grammar]]
 name = "t32"
-source = { git = "https://codeberg.org/xasc/tree-sitter-t32", rev = "1dd98248b01e4a3933c1b85b58bab0875e2ba437" }
+source = { git = "https://gitlab.com/xasc/tree-sitter-t32", rev = "6da5e3cbabd376b566d04282005e52ffe67ef74a" }
 
 [[language]]
 name = "webc"
diff --git a/runtime/queries/t32/highlights.scm b/runtime/queries/t32/highlights.scm
index c3bba8143..8a29cee21 100644
--- a/runtime/queries/t32/highlights.scm
+++ b/runtime/queries/t32/highlights.scm
@@ -1,3 +1,28 @@
+; Operators in command and conditional HLL expressions
+(hll_comma_expression
+  "," @operator)
+
+(hll_conditional_expression
+  [
+   "?"
+   ":"
+] @operator)
+
+
+; Keywords, punctuation and operators
+[
+  "enum"
+  "struct"
+  "union"
+] @keyword.storage.type
+
+"sizeof" @keyword.operator
+
+[
+  "const"
+  "volatile"
+] @keyword.storage.modifier
+
 [
   "="
   "^^"
@@ -28,49 +53,89 @@
   "&"
   "->"
   "*"
+  "-="
+  "+="
+  "*="
+  "/="
+  "%="
+  "|="
+  "&="
+  "^="
+  ">>="
+  "<<="
+  "--"
+  "++"
 ] @operator
 
 [
- "("
- ")"
- "{"
- "}"
- "["
- "]"
+  "("
+  ")"
+  "{"
+  "}"
+  "["
+  "]"
 ] @punctuation.bracket
 
 [
   ","
   "."
-  ";"
 ] @punctuation.delimiter
 
-; Constants
+
+; Strings and others literal types
+(access_class) @constant.builtin
+
 [
-  (access_class)
   (address)
   (bitmask)
   (file_handle)
-  (frequency)
-  (time)
-] @constant.builtin
+  (integer)
+  (hll_number_literal)
+] @constant.numeric.integer
 
 [
   (float)
+  (frequency)
   (percentage)
+  (time)
 ] @constant.numeric.float
 
-(integer) @constant.numeric.integer
+[
+  (string)
+  (hll_string_literal)
+] @string
 
-(character) @constant.character
-
-; Strings
-(string) @string
+(hll_escape_sequence) @constant.character.escape
 
 (path) @string.special.path
-
 (symbol) @string.special.symbol
 
+[
+  (character)
+  (hll_char_literal)
+] @constant.character
+
+
+; Types in HLL expressions
+[
+  (hll_type_identifier)
+  (hll_type_descriptor)
+] @type
+
+(hll_type_qualifier) @keyword.storage.modifier
+
+(hll_primitive_type) @type.builtin
+
+
+; HLL call expressions
+(hll_call_expression
+  function: (hll_field_expression
+    field: (hll_field_identifier) @function))
+
+(hll_call_expression
+  function: (identifier) @function)
+
+
 ; Returns
 (
   (command_expression
@@ -83,11 +148,13 @@
   (#match? @keyword.return "^[rR][eE][tT][uU][rR][nN]$")
 )
 
+
 ; Subroutine calls
 (subroutine_call_expression
   command: (identifier) @keyword
   subroutine: (identifier) @function)
 
+
 ; Subroutine blocks
 (subroutine_block
   command: (identifier) @keyword
@@ -97,15 +164,17 @@
   label: (identifier) @function
   (block))
 
+
 ; Parameter declarations
 (parameter_declaration
   command: (identifier) @keyword
   (identifier)? @constant.builtin
   macro: (macro) @variable.parameter)
 
+
 ; Variables, constants and labels
-(macro) @variable
-(internal_c_variable) @variable
+(macro) @variable.builtin
+(trace32_hll_variable) @variable.builtin
 
 (
   (command_expression
@@ -116,17 +185,28 @@
 (labeled_expression
   label: (identifier) @label)
 
+(option_expression
+  (identifier) @constant.builtin)
+
+(format_expression
+  (identifier) @constant.builtin)
+
 (
- (argument_list (identifier) @constant.builtin)
- (#match? @constant.builtin "^[%/][a-zA-Z][a-zA-Z0-9.]*$")
+  (argument_list (identifier) @constant.builtin)
+  (#match? @constant.builtin "^[%/][a-zA-Z][a-zA-Z0-9.]*$")
 )
 (argument_list
-  (identifier) @constant)
+  (identifier) @constant.builtin)
+
 
 ; Commands
 (command_expression command: (identifier) @keyword)
 (macro_definition command: (identifier) @keyword)
 
+(call_expression
+  function: (identifier) @function.builtin)
+
+
 ; Control flow
 (if_block
   command: (identifier) @keyword.control.conditional.if)
@@ -138,8 +218,10 @@
 (repeat_block
   command: (identifier) @keyword.control.loop)
 
-(call_expression
-  function: (identifier) @function)
 
-(type_identifier) @type
+; HLL variables
+(identifier) @variable
+(hll_field_identifier) @variable.other.member
+
+
 (comment) @comment