1 files changed, 44 insertions, 0 deletions
diff --git a/src/pOS/include/kernel/vga.h b/src/pOS/include/kernel/vga.h
new file mode 100644
index 0000000..ce21848
--- /dev/null
+++ b/src/pOS/include/kernel/vga.h
@@ -0,0 +1,44 @@
+#ifndef _VGA_H_
+#define _VGA_H_
+
+#include <stdint.h>
+#include <stddef.h>
+
+class VGA
+{
+public:
+     static constexpr int VGA_WIDTH = 80;
+     static constexpr int VGA_HEIGHT = 25;
+     static constexpr uint16_t* VGA_MEMORY = reinterpret_cast<uint16_t*>(0xb8000);
+
+     enum vga_colors {
+        VGA_COLOR_BLACK,
+        VGA_COLOR_BLUE,
+        VGA_COLOR_GREEN,
+        VGA_COLOR_CYAN,
+        VGA_COLOR_RED,
+        VGA_COLOR_MAGENTA,
+        VGA_COLOR_BROWN,
+        VGA_COLOR_LIGHT_GREY,
+        VGA_COLOR_DARK_GREY,
+        VGA_COLOR_LIGHT_BLUE,
+        VGA_COLOR_LIGHT_GREEN,
+        VGA_COLOR_LIGHT_CYAN,
+        VGA_COLOR_LIGHT_RED,
+        VGA_COLOR_LIGHT_MAGENTA,
+        VGA_COLOR_LIGHT_BROWN,
+        VGA_COLOR_WHITE,
+    };
+
+    static uint8_t vga_entry_color(enum vga_colors fg, enum vga_colors bg)
+    {
+        return fg | bg << 4;
+    }
+
+    static uint16_t vga_entry(unsigned char uc, uint8_t color)
+    {
+        return (uint16_t) uc | (uint16_t) color << 8;
+    }
+};
+
+#endif