1 files changed, 50 insertions, 0 deletions

diff --git a/arch/x86_64/include/arch/video/vga/text.hpp b/arch/x86_64/include/arch/video/vga/text.hpp
index 1e584d6..97344da 100644
--- a/arch/x86_64/include/arch/video/vga/text.hpp
+++ b/arch/x86_64/include/arch/video/vga/text.hpp
@@ -3,6 +3,7 @@
 
 #include <cstdint>
 #include <string_view>
+#include <type_traits>
 
 namespace teachos::arch::video::vga::text
 {
@@ -108,6 +109,55 @@ namespace teachos::arch::video::vga::text
    * @see vga::text::attribute
    */
   auto write(std::string_view code_points, attribute attribute) -> void;
+
+  /**
+   * @brief Write a single character to the VGA text buffer.
+   *
+   * @note This function also updates the text mode buffer pointer.
+   *
+   * @param code_point A code point to write to the VGA text mode buffer.
+   * @param attribute The attribute to apply to the written sequence of code points.
+   * @see vga::text::attribute
+   */
+  auto write_char(char code_point, attribute attribute) -> void;
+
+  // TODO: Move concepts to their own file/folder
+  template<typename T>
+  concept Integral = std::is_integral_v<T>;
+
+  /**
+   * @brief Write a integral value to the VGA text buffer.
+   *
+   * @note This function also updates the text mode buffer pointer.
+   *
+   * @param code_points A integral value to write to the VGA text mode buffer.
+   * @param attribute The attribute to apply to the written sequence of code points.
+   * @see vga::text::attribute
+   */
+  template<Integral T>
+  auto write_number(T value, attribute attribute) -> void
+  {
+    T current_value = value;
+
+    T divisor = 1;
+    while (current_value > 9)
+    {
+      divisor *= 10;
+      current_value = current_value / 10;
+    }
+
+    current_value = value;
+    while (divisor > 0)
+    {
+      uint8_t quotient = current_value / divisor;
+      char ascii_digit = quotient + '0';
+
+      write_char(ascii_digit, attribute);
+      current_value %= divisor;
+
+      divisor /= 10;
+    }
+  }
 }  // namespace teachos::arch::video::vga::text
 
 #endif
\ No newline at end of file