1 files changed, 24 insertions, 8 deletions
diff --git a/arch/x86_64/src/vga/text.cpp b/arch/x86_64/src/vga/text.cpp
index d4548a2..8f6214e 100644
--- a/arch/x86_64/src/vga/text.cpp
+++ b/arch/x86_64/src/vga/text.cpp
@@ -1,6 +1,7 @@
 #include "x86_64/vga/text.hpp"
 
 #include "kapi/boot.hpp"
+#include "kapi/cio.hpp"
 
 #include "x86_64/boot/boot.hpp"
 #include "x86_64/boot/ld.hpp"
@@ -76,6 +77,20 @@ namespace teachos::vga::x86_64::text
     m_position = (line() - scroll_count) * DEFAULT_TEXT_BUFFER_WIDTH;
   }
 
+  auto device::write(cio::output_stream stream, std::string_view text) -> void
+  {
+    auto attributes = [&] -> attribute {
+      switch (stream)
+      {
+        case cio::output_stream::stderr:
+          return common_attributes::red_on_black;
+        default:
+          return common_attributes::green_on_black;
+      }
+    }();
+    write(text, attributes);
+  }
+
   auto device::write(std::string_view code_points, attribute attribute) -> void
   {
     std::ranges::for_each(code_points, [&](auto code_point) -> void { write(code_point, attribute); });
@@ -87,16 +102,17 @@ namespace teachos::vga::x86_64::text
     {
       scroll();
     }
-    buffer[m_position++] = std::pair{code_point, std::bit_cast<std::byte>(attribute)};
-  };
 
-  auto device::writeln(std::string_view code_points, attribute attribute) -> void
-  {
-    std::ranges::for_each(code_points, [&](auto code_point) -> void { write(code_point, attribute); });
-    if (column())
+    if (code_point == '\n')
     {
-      newline();
+      if (column())
+      {
+        newline();
+      }
+      return;
     }
-  }
+
+    buffer[m_position++] = std::pair{code_point, std::bit_cast<std::byte>(attribute)};
+  };
 
 }  // namespace teachos::vga::x86_64::text