diff --git a/runtime/syntax/tiasm.vim b/runtime/syntax/tiasm.vim
new file mode 100644
index 0000000..bdadc4a
--- /dev/null
+++ b/runtime/syntax/tiasm.vim
@@ -0,0 +1,102 @@
+" Vim syntax file
+" Language:	TI linear assembly language
+" Document:	https://downloads.ti.com/docs/esd/SPRUI03B/#SPRUI03B_HTML/assembler-description.html
+" Maintainer:	Wu, Zhenyu <wuzhenyu@ustc.edu>
+" Last Change:	2025 Jan 08
+
+if exists("b:current_syntax")
+  finish
+endif
+
+syn case ignore
+
+" storage types
+syn match tiasmType "\.bits"
+syn match tiasmType "\.byte"
+syn match tiasmType "\.char"
+syn match tiasmType "\.cstring"
+syn match tiasmType "\.double"
+syn match tiasmType "\.field"
+syn match tiasmType "\.float"
+syn match tiasmType "\.half"
+syn match tiasmType "\.int"
+syn match tiasmType "\.long"
+syn match tiasmType "\.short"
+syn match tiasmType "\.string"
+syn match tiasmType "\.ubyte"
+syn match tiasmType "\.uchar"
+syn match tiasmType "\.uhalf"
+syn match tiasmType "\.uint"
+syn match tiasmType "\.ulong"
+syn match tiasmType "\.ushort"
+syn match tiasmType "\.uword"
+syn match tiasmType "\.word"
+
+syn match tiasmIdentifier		"[a-z_][a-z0-9_]*"
+
+syn match tiasmDecimal		"\<[1-9]\d*\>"		 display
+syn match tiasmOctal		"\<0[0-7][0-7]\+\>\|\<[0-7]\+[oO]\>"	 display
+syn match tiasmHexadecimal	"\<0[xX][0-9a-fA-F]\+\>\|\<[0-9][0-9a-fA-F]*[hH]\>" display
+syn match tiasmBinary		"\<0[bB][0-1]\+\>\|\<[01]\+[bB]\>"	 display
+
+syn match tiasmFloat		"\<\d\+\.\d*\%(e[+-]\=\d\+\)\=\>" display
+syn match tiasmFloat		"\<\d\%(e[+-]\=\d\+\)\>"	  display
+
+syn match tiasmCharacter		"'.'\|''\|'[^']'"
+
+syn region tiasmString		start="\"" end="\"" skip="\"\""
+
+syn match tiasmFunction		"\$[a-zA-Z_][a-zA-Z_0-9]*\ze("
+
+syn keyword tiasmTodo			contained TODO FIXME XXX NOTE
+syn region tiasmComment			start=";" end="$" keepend contains=tiasmTodo,@Spell
+syn match tiasmComment			"^[*!].*" contains=tiasmTodo,@Spell
+syn match tiasmLabel			"^[^ *!;][^ :]*"
+
+syn match tiasmInclude		"\.include"
+syn match tiasmCond		"\.if"
+syn match tiasmCond		"\.else"
+syn match tiasmCond		"\.endif"
+syn match tiasmMacro		"\.macro"
+syn match tiasmMacro		"\.endm"
+
+syn match tiasmDirective		"\.[A-Za-z][0-9A-Za-z-_]*"
+
+syn case match
+
+hi def link tiasmLabel		Label
+hi def link tiasmComment		Comment
+hi def link tiasmTodo		Todo
+hi def link tiasmDirective	Statement
+
+hi def link tiasmInclude		Include
+hi def link tiasmCond		PreCondit
+hi def link tiasmMacro		Macro
+
+if exists('g:tiasm_legacy_syntax_groups')
+  hi def link hexNumber		Number
+  hi def link decNumber		Number
+  hi def link octNumber		Number
+  hi def link binNumber		Number
+  hi def link tiasmHexadecimal	hexNumber
+  hi def link tiasmDecimal	decNumber
+  hi def link tiasmOctal		octNumber
+  hi def link tiasmBinary		binNumber
+else
+  hi def link tiasmHexadecimal	Number
+  hi def link tiasmDecimal	Number
+  hi def link tiasmOctal		Number
+  hi def link tiasmBinary		Number
+endif
+hi def link tiasmFloat		Float
+
+hi def link tiasmString		String
+hi def link tiasmStringEscape	Special
+hi def link tiasmCharacter	Character
+hi def link tiasmCharacterEscape	Special
+
+hi def link tiasmIdentifier	Identifier
+hi def link tiasmType		Type
+hi def link tiasmFunction	Function
+
+let b:current_syntax = "lineartiasm"