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/*
* 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.
*/
#include <garmos/term.h>
#include <garmos/types.h>
#include <garmos/vga.h>
struct term {
uint32_t row;
uint32_t col;
};
static struct term term = {
.row = 0,
.col = 0
};
#ifdef ENABLE_VGA
void term_clear(void)
{
vga_clear();
}
void term_put(char c)
{
if (term.col + 1 >= VGA_COLS || c == '\n') {
term.col = 0;
term.row++;
if (term.row >= VGA_ROWS) {
/* TODO: scroll */
term.row = 0;
}
}
if (c != '\n') {
vga_print(term.row, term.col, c);
term.col++;
}
}
uint8_t term_enabled(void) {
return 1;
}
#else
/* no supported output found! */
void term_clear(void) {}
void term_put(char c) {}
uint8_t term_enabled(void) {
return 0;
}
#endif
void term_print(char *s)
{
for (; *s != '\0'; s++)
term_put(*s);
}
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