2 files changed, 16 insertions, 12 deletions
diff --git a/arch/x86_64/include/arch/video/vga/io.hpp b/arch/x86_64/include/x86_64/vga/io.hpp
index c399fad..803dc21 100644
--- a/arch/x86_64/include/arch/video/vga/io.hpp
+++ b/arch/x86_64/include/x86_64/vga/io.hpp
@@ -1,11 +1,11 @@
-#ifndef TEACHOS_ARCH_X86_64_VIDEO_VGA_IO_HPP
-#define TEACHOS_ARCH_X86_64_VIDEO_VGA_IO_HPP
+#ifndef TEACHOS_X86_64_VGA_IO_HPP
+#define TEACHOS_X86_64_VGA_IO_HPP
 
 #include "arch/io/port_io.hpp"
 
 #include <cstddef>
 
-namespace teachos::arch::video::vga
+namespace teachos::x86_64::vga::io
 {
   namespace crtc
   {
@@ -29,11 +29,11 @@ namespace teachos::arch::video::vga
       /**
        * @brief The address of the Cursor End register of the CRTC.
        */
-      [[maybe_unused]] auto constexpr curser_end = std::byte{0x0b};
+      [[maybe_unused]] auto constexpr cursor_end = std::byte{0x0b};
     }  // namespace registers
 
   };  // namespace crtc
 
-}  // namespace teachos::arch::video::vga
+}  // namespace teachos::x86_64::vga::io
 
-#endif  // TEACHOS_ARCH_X86_64_VIDEO_VGA_IO_HPP
+#endif
+\ No newline at end of file
diff --git a/arch/x86_64/include/arch/video/vga/text.hpp b/arch/x86_64/include/x86_64/vga/text.hpp
index cfbf98f..267eae9 100644
--- a/arch/x86_64/include/arch/video/vga/text.hpp
+++ b/arch/x86_64/include/x86_64/vga/text.hpp
@@ -1,14 +1,12 @@
-#ifndef TEACHOS_ARCH_X86_64_VIDEO_VGA_TEXT_HPP
-#define TEACHOS_ARCH_X86_64_VIDEO_VGA_TEXT_HPP
+#ifndef TEACHOS_X86_64_VIDEO_VGA_TEXT_HPP
+#define TEACHOS_X86_64_VIDEO_VGA_TEXT_HPP
 
 #include <cstdint>
 #include <string_view>
 #include <type_traits>
 
-namespace teachos::arch::video::vga::text
+namespace teachos::x86_64::vga::text
 {
-  auto constexpr DEFAULT_VGA_TEXT_BUFFER_ADDRESS = 0xB8000;
-
   /**
    * @brief The colors available in the standard VGA text mode.
    */
@@ -79,6 +77,12 @@ namespace teachos::arch::video::vga::text
         attribute{color::green, foreground_flag::none, color::black, background_flag::none};
 
     /**
+     * @brief Make the affected cell display with a green foreground and black background.
+     */
+    [[maybe_unused]] auto constexpr red_on_black =
+        attribute{color::red, foreground_flag::none, color::black, background_flag::none};
+
+    /**
      * @brief Make the affected cell display with a white (gray + intense) foreground and red background.
      */
     [[maybe_unused]] auto constexpr white_on_red =
@@ -164,6 +168,6 @@ namespace teachos::arch::video::vga::text
     }
   }
 
-}  // namespace teachos::arch::video::vga::text
+}  // namespace teachos::x86_64::vga::text
 
 #endif  // TEACHOS_ARCH_X86_64_VIDEO_VGA_TEXT_HPP
 \ No newline at end of file