diff --git a/src/dbg_tui.py b/src/dbg_tui.py
index c335624..4d7416c 100644
--- a/src/dbg_tui.py
+++ b/src/dbg_tui.py
@@ -3,6 +3,8 @@ from dataclasses import dataclass
 from rich import print as rprint
 from rich.layout import Layout
 from rich.live import Live
+from rich.text import Text
+from rich.console import Console
 
 @dataclass
 class SourceLines:
@@ -10,6 +12,12 @@ class SourceLines:
     begining_number: int
     lines: list[str]
 
+@dataclass
+class RichedSourceLines:
+    active: int
+    begining_number: int
+    lines: list[Text]
+
 def _get_source_lines(
         srcline: int,
         lines: list[str],
@@ -33,7 +41,18 @@ def _get_source_lines(
             begining_number=start,
             lines=lines[start-1:end].copy()
             )
-    
+
+def _source_lines_to_rich(srclines: SourceLines) -> RichedSourceLines:
+    riched_lines = RichedSourceLines(
+            active=srclines.active,
+            begining_number=srclines.begining_number,
+            lines=list(map(Text, srclines.lines))
+            )
+    active_index = srclines.active - srclines.begining_number
+    active_line = riched_lines.lines[active_index]
+    active_line.stylize('bold red')
+    return riched_lines
+
 def main(debugger: Debugger, srcfile: str):
     layout = Layout()
     layout.split_column(
@@ -43,10 +62,12 @@ def main(debugger: Debugger, srcfile: str):
     rprint(layout)
 
 if __name__ == "__main__":
+    console = Console()
     with open("test.dasm", 'r') as f:
         lines = f.read().split('\n')
-    srclines = _get_source_lines(8, lines, 7)
+    srclines = _get_source_lines(20, lines, 7)
+    riched = _source_lines_to_rich(srclines)
     print(f"focus: {srclines.active}; start: {srclines.begining_number}")
     print("_"*20)
-    print(*srclines.lines, sep="\n")
+    console.print(*riched.lines, sep="\n")