nuclear@1: #include "term.h"
nuclear@1: #include "vid.h"
nuclear@1: 
nuclear@1: static int bg, fg = 15;
nuclear@1: static int cursor_x, cursor_y;
nuclear@1: 
nuclear@1: void set_text_color(int c)
nuclear@1: {
nuclear@1: 	if(c >= 0 && c < 16) {
nuclear@1: 		fg = c;
nuclear@1: 	}
nuclear@1: }
nuclear@1: 
nuclear@1: void set_back_color(int c)
nuclear@1: {
nuclear@1: 	if(c >= 0 && c < 16) {
nuclear@1: 		bg = c;
nuclear@1: 	}
nuclear@1: }
nuclear@1: 
nuclear@1: int putchar(int c)
nuclear@1: {
nuclear@1: 	switch(c) {
nuclear@1: 	case '\n':
nuclear@1: 		cursor_y++;
nuclear@1: 
nuclear@1: 	case '\r':
nuclear@1: 		cursor_x = 0;
nuclear@1: 		break;
nuclear@1: 
nuclear@1: 	case '\b':
nuclear@1: 		cursor_x--;
nuclear@1: 		set_char(' ', cursor_x, cursor_y, fg, bg);
nuclear@1: 		break;
nuclear@1: 
nuclear@1: 	case '\t':
nuclear@1: 		cursor_x = ((cursor_x >> 3) + 1) << 3;
nuclear@1: 		break;
nuclear@1: 
nuclear@1: 	default:
nuclear@1: 		set_char(c, cursor_x, cursor_y, fg, bg);
nuclear@1: 		if(++cursor_x >= WIDTH) {
nuclear@1: 			cursor_x = 0;
nuclear@1: 			cursor_y++;
nuclear@1: 		}
nuclear@1: 	}
nuclear@1: 
nuclear@1: 	if(cursor_y >= HEIGHT) {
nuclear@1: 		scroll_scr();
nuclear@1: 		cursor_y--;
nuclear@1: 	}
nuclear@1: 	return c;
nuclear@1: }