diff options
Diffstat (limited to 'source/arch/x86_64/src/video')
| -rw-r--r-- | source/arch/x86_64/src/video/vga/text.cpp | 29 |
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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