1 files changed, 38 insertions, 0 deletions
diff --git a/include/vga.h b/include/vga.h
new file mode 100644
index 0000000..6d74671
--- /dev/null
+++ b/include/vga.h
@@ -0,0 +1,38 @@
+#ifndef _VGA_H_
+#define _VGA_H_
+
+#include <stdint.h>
+#include <stddef.h>
+
+/* Hardware text mode color constants. */
+enum vga_color {
+	VGA_BLACK = 0,
+	VGA_BLUE = 1,
+	VGA_GREEN = 2,
+	VGA_CYAN = 3,
+	VGA_RED = 4,
+	VGA_MAGENTA = 5,
+	VGA_BROWN = 6,
+	VGA_LIGHT_GREY = 7,
+	VGA_DARK_GREY = 8,
+	VGA_LIGHT_BLUE = 9,
+	VGA_LIGHT_GREEN = 10,
+	VGA_LIGHT_CYAN = 11,
+	VGA_LIGHT_RED = 12,
+	VGA_LIGHT_MAGENTA = 13,
+	VGA_LIGHT_BROWN = 14,
+	VGA_WHITE = 15,
+};
+
+static const size_t VGA_WIDTH = 80;
+static const size_t VGA_HEIGHT = 25;
+
+void vga_init(void);
+void vga_putn(const size_t num);
+void vga_putx(const size_t hex);
+void vga_putc(const char c);
+void vga_puts(const char *s);
+void vga_putsn(const char *s, const size_t len);
+void vga_set_color(const uint8_t fg, const uint8_t bg);
+
+#endif