1 files changed, 68 insertions, 0 deletions
diff --git a/src/vgatext.h b/src/vgatext.h
new file mode 100644
index 0000000..499e3d8
--- /dev/null
+++ b/src/vgatext.h
@@ -0,0 +1,68 @@
+#ifndef VGA_TEXT_H
+#define VGA_TEXT_H
+
+#include <stdbool.h>
+
+#include "port.h"
+
+enum {
+	VGA_TEXT_DEFAULT_RES_X = 80,
+	VGA_TEXT_DEFAULT_RES_Y = 25
+};
+
+typedef enum {
+	VGA_TEXT_COLOR_BLACK = 0,
+	VGA_TEXT_COLOR_BLUE = 1,
+	VGA_TEXT_COLOR_GREEN = 2,
+	VGA_TEXT_COLOR_CYAN = 3,
+	VGA_TEXT_COLOR_RED = 4,
+	VGA_TEXT_COLOR_MAGENTA = 5,
+	VGA_TEXT_COLOR_BROWN = 6,
+	VGA_TEXT_COLOR_LIGHT_GREY = 7,
+	VGA_TEXT_COLOR_DARK_GREY = 8,
+	VGA_TEXT_COLOR_LIGHT_BLUE = 9,
+	VGA_TEXT_COLOR_LIGHT_GREEN = 10,
+	VGA_TEXT_COLOR_LIGHT_CYAN = 11,
+	VGA_TEXT_COLOR_LIGHT_RED = 12,
+	VGA_TEXT_COLOR_LIGHT_MAGENTA = 13,
+	VGA_TEXT_COLOR_LIGHT_BROWN = 14,
+	VGA_TEXT_COLOR_WHITE = 15
+} vga_text_color_t;
+
+typedef struct {
+	int res_x;	// resolution, default 80
+	int res_y;	// resolution, default 25
+	int cursor_x;	// current cursor position X
+	int cursor_y;	// current cursor position Y
+	vga_text_color_t color;
+	vga_text_color_t background_color;
+	port8_t crtc_misc_port;
+	port8_t crtc_index_port;
+	port8_t crtc_data_port;
+	bool show_mouse_cursor;
+	int mouse_cursor_x;
+	int mouse_cursor_y;
+} vga_text_t;
+
+void vga_text_init( vga_text_t *vga_text );
+void vga_text_clear_screen( vga_text_t *vga_text );
+void vga_text_set_cursor( vga_text_t *vga_text, const int x, const int y );
+void vga_text_set_cursor_from_hardware( vga_text_t *vga_text );
+void vga_text_set_cursor_on_hardware( vga_text_t *vga_text );
+int vga_text_get_cursor_x( vga_text_t *vga_text );
+int vga_text_get_cursor_y( vga_text_t *vga_text );
+void vga_text_set_color( vga_text_t *vga_text, const vga_text_color_t color );
+void vga_text_set_background_color( vga_text_t *vga_text, const vga_text_color_t color );
+void vga_text_put_char_at( vga_text_t *vga_text, const int x, const int y, const char c );
+void vga_text_put_string_at( vga_text_t *vga_text, const int x, const int y, const char *s );
+void vga_text_put_char( vga_text_t *vga_text, const char c );
+void vga_text_put_string( vga_text_t *vga_text, const char *s );
+void vga_text_put_newline( vga_text_t *vga_text );
+void vga_text_set_background_color_at( vga_text_t *vga_text, const int x, const int y, vga_text_color_t color );
+vga_text_color_t vga_text_get_background_color_at( vga_text_t *vga_text, const int x, const int y );
+void vga_text_inverse_colors_at( vga_text_t *vga_text, const int x, const int y );
+void vga_text_show_mouse_cursor( vga_text_t *vga_text );
+void vga_text_move_mouse_cursor( vga_text_t *vga_text, const int x, const int y );
+void vga_text_hide_mouse_cursor( vga_text_t *vga_text );
+ 
+#endif /* VGA_TEXT_H */