/*
 * Copyright (C) 2017 Robin Krahl <robin.krahl@ireas.org>
 * 
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 */

#ifndef GARMOS_VGA_H
#define GARMOS_VGA_H

#include <garmos/types.h>

/*
 * VGA text mode is only supported if ENABLE_VGA is defined, usually in the
 * architecture's config.mk.  For VGA_MEMORY, VGA_ROWS and VGA_COLS, sensible
 * defaults are chosen.  If these default values do not apply, the correct
 * values should be set in the architecture's config.mk.
 */

#ifndef VGA_ROWS
#define VGA_ROWS 20
#endif

#ifndef VGA_COLS
#define VGA_COLS 80
#endif

void vga_clear(void);
void vga_pclear(uint8_t attr);
void vga_print(uint32_t row, uint32_t col, uint8_t c);
void vga_pprint(uint32_t row, uint32_t col, uint8_t attr, uint8_t c);

#endif