diff options
author | Aqua-sama <aqua@iserlohn-fortress.net> | 2021-01-31 22:08:01 +0200 |
---|---|---|
committer | Aqua-sama <aqua@iserlohn-fortress.net> | 2021-01-31 22:08:01 +0200 |
commit | 61b4f7fb29db2e8f8af266fcb0836b6b9232245a (patch) | |
tree | c5aa7d9049cbeb60e17e8440ac8eb0f79decf66b /vga.h | |
download | kernel.cpp-61b4f7fb29db2e8f8af266fcb0836b6b9232245a.tar.xz |
Initial commit
Diffstat (limited to 'vga.h')
-rw-r--r-- | vga.h | 45 |
1 files changed, 45 insertions, 0 deletions
@@ -0,0 +1,45 @@ +#pragma once +#include <stdlib.h> + +class VGA : public Console { +public: + /* Hardware text mode color constants. */ + enum vga_color { + VGA_COLOR_BLACK = 0, + VGA_COLOR_BLUE = 1, + VGA_COLOR_GREEN = 2, + VGA_COLOR_CYAN = 3, + VGA_COLOR_RED = 4, + VGA_COLOR_MAGENTA = 5, + VGA_COLOR_BROWN = 6, + VGA_COLOR_LIGHT_GREY = 7, + VGA_COLOR_DARK_GREY = 8, + VGA_COLOR_LIGHT_BLUE = 9, + VGA_COLOR_LIGHT_GREEN = 10, + VGA_COLOR_LIGHT_CYAN = 11, + VGA_COLOR_LIGHT_RED = 12, + VGA_COLOR_LIGHT_MAGENTA = 13, + VGA_COLOR_LIGHT_BROWN = 14, + VGA_COLOR_WHITE = 15, + }; + + VGA(uint32_t address = 0xB8000); + ~VGA() = default; + + void put_char(char c, size_t x, size_t y, uint8_t color = 0); + void write(const String &data) override; + void write(int n); + + template <typename... Args> void write(const String &f, const Args &...a) { + write(f); + write(a...); + } + + void set_color(vga_color fg, vga_color bg) { color = (fg | bg << 4); } + +private: + const size_t max_columns = 80, max_rows = 25; + size_t column = 0, row = 0; + uint8_t color; + uint16_t *buffer; +}; |