teachos: restructure file layout

1 files changed, 29 insertions, 0 deletions

diff --git a/source/arch/x86_64/src/video/vga/text.cpp b/source/arch/x86_64/src/video/vga/text.cpp
new file mode 100644
index 0000000..11e3b1a
--- /dev/null
+++ b/source/arch/x86_64/src/video/vga/text.cpp
@@ -0,0 +1,29 @@
+#include "arch/video/vga/text.hpp"
+
+#include "arch/boot/pointers.hpp"
+#include "memory/asm_pointer.hpp"
+
+#include <algorithm>
+#include <string_view>
+
+namespace teachos::arch::video::vga::text
+{
+
+  namespace
+  {
+    auto constinit text_buffer = teachos::boot::asm_pointer{boot::vga_buffer_pointer};
+
+    auto write(char character, std::byte color) -> void
+    {
+      auto & p = *text_buffer;
+      (*p++) = static_cast<std::byte>(character);
+      (*p++) = color;
+    };
+  }  // namespace
+
+  auto write(std::string_view text, std::byte color) -> void
+  {
+    std::ranges::for_each(text, [&](auto character) { write(character, color); });
+  }
+
+}  // namespace teachos::arch::video::vga::text
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