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-# ztl-mode
-
-ZTL mode for Emacs
\ No newline at end of file
diff --git a/README.org b/README.org
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+#+OPTIONS: toc:nil
+
+* ztl-mode
+:PROPERTIES:
+:CUSTOM_ID: ztl-mode
+:END:
+ZTL mode for Emacs
diff --git a/ztl-mode.el b/ztl-mode.el
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+;;; ztl-mode.el --- Zongor's Transpiler Language (ZTL) mode for Emacs                     -*- lexical-binding: t; -*-
+;; Author: Zongor
+;; Version: 0.0.1
+
+(defconst ztl-mode-hook nil
+  "Hook for Zongor's Transpiler Language mode.")
+
+(defconst ztl-file-extensions '(".ztl")
+  "List of file extensions for Zongor's Transpiler Language.")
+
+(defconst ztl-keywords
+  '("fn" "to" "in" "is" "as" "use" "set" "if" "else" "for" "loop" "while"
+    "push" "pop" "return" "const" "type" "this" "do" "end" "then" "result"
+    "function" "eq" "ne" "mod" "not" "and" "or" "xor" "band" "bor" "bxor"
+    "srl" "sll")
+  "List of Zongor's Transpiler Language keywords.")
+
+(defconst ztl-keywords-2
+  '("char" "str" "f16" "f32" "f64" "f128")
+  "List of Zongor's Transpiler Language secondary keywords.")
+
+(defconst ztl-literals
+  '("true" "false")
+  "List of Zongor's Transpiler Language literals.")
+
+;;;###autoload
+(define-derived-mode ztl-mode prog-mode "ZTL"
+  "Major mode for editing Zongor's Transpiler Language (ZTL)."
+
+  ;; File extension
+  (setq auto-mode-alist
+        (cons (cons ztl-file-extensions 'ztl-mode) auto-mode-alist))
+
+  ;; Comments
+  (setq comment-start "!")
+  (setq comment-end "")
+
+  ;; Font Lock
+  (set (make-local-variable 'font-lock-defaults)
+       '((ztl-font-lock-keywords)))
+
+  ;; Whitespace
+  (set (make-local-variable 'whitespace-line-column)
+       80)
+  (whitespace-mode 1))
+
+(defconst ztl-font-lock-keywords
+  `(
+    ;; Comments
+    ("^!.*" . font-lock-comment-face)
+    ("!!.*!!" . font-lock-comment-face)
+
+    ;; Strings
+    ("\\(\"\\([^\\\\\"]\\\\?.*?\\)\"\\|'\\([^\\\\']\\\\?.*?\\)'\\)" 1 font-lock-string-face)
+
+    ;; Operators
+    (";" . font-lock-delimiter-face)
+
+    ;; Keywords
+    ,@(mapcar (lambda (kw) `(,kw . font-lock-keyword-face)) ztl-keywords)
+
+    ;; Secondary keywords
+    ,@(mapcar (lambda (kw) `(,kw . font-lock-keyword-face)) ztl-keywords-2)
+
+    ;; Literals
+    ,@(mapcar (lambda (lit) `(,lit . font-lock-builtin-face)) ztl-literals)
+
+    ;; Function definitions
+    ("\\<\\([a-zA-Z_][a-zA-Z0-9_]*\\)\\s*(\\)" 1 font-lock-function-name-face)))
+
+;; Example usage in .emacs or init.el:
+;; (add-to-list 'auto-mode-alist '("\\.ztl$" . ztl-mode))
+
+(provide 'ztl-mode)