1 files changed, 15 insertions, 8 deletions
diff --git a/arch/x86_64/src/vga/text.cpp b/arch/x86_64/src/vga/text.cpp
index 5c94b84..af089fd 100644
--- a/arch/x86_64/src/vga/text.cpp
+++ b/arch/x86_64/src/vga/text.cpp
@@ -13,19 +13,24 @@ namespace teachos::x86_64::vga::text
 {
   namespace
   {
-    auto buffer_offset = std::ptrdiff_t{};
+    auto constinit buffer_offset = std::ptrdiff_t{};
 
     auto constexpr DEFAULT_TEXT_BUFFER_WIDTH = 80U;
     auto constexpr DEFAULT_TEXT_BUFFER_HEIGHT = 25U;
+
+    auto write_char(char code_point, attribute attribute) -> void
+    {
+      vga_buffer_pointer[buffer_offset++] = std::pair{code_point, std::bit_cast<std::byte>(attribute)};
+    };
   }  // namespace
 
-  auto clear(attribute attribute) -> void
+  auto device::clear(attribute attribute) -> void
   {
     buffer_offset = 0;
     std::ranges::fill_n(vga_buffer_pointer.get(), 2000, std::pair{' ', std::bit_cast<std::byte>(attribute)});
   }
 
-  auto cursor(bool enabled) -> void
+  auto device::cursor(bool enabled) -> void
   {
     auto cursor_disable_byte = std::byte{!enabled} << 5;
 
@@ -33,7 +38,7 @@ namespace teachos::x86_64::vga::text
     crtc::data::write(crtc::data::read() | cursor_disable_byte);
   }
 
-  auto newline() -> void
+  auto device::newline() -> void
   {
     auto current_line = buffer_offset / DEFAULT_TEXT_BUFFER_WIDTH;
     auto next_line = current_line + 1;
@@ -51,13 +56,15 @@ namespace teachos::x86_64::vga::text
     }
   }
 
-  auto write_char(char code_point, attribute attribute) -> void
+  auto device::write(std::string_view code_points, attribute attribute) -> void
   {
-    vga_buffer_pointer[buffer_offset++] = std::pair{code_point, std::bit_cast<std::byte>(attribute)};
-  };
+    std::ranges::for_each(code_points, [&](auto code_point) { write_char(code_point, attribute); });
+  }
 
-  auto write(std::string_view code_points, attribute attribute) -> void
+  auto device::writeln(std::string_view code_points, attribute attribute) -> void
   {
     std::ranges::for_each(code_points, [&](auto code_point) { write_char(code_point, attribute); });
+    newline();
   }
+
 }  // namespace teachos::x86_64::vga::text