#include "key.h"

int key_down(int basic_keycode)
{
	const unsigned short* keyboard_register = (unsigned short*)0xA44B0000;
	int row, col, word, bit;
	row = basic_keycode%10;
	col = basic_keycode/10-1;
	word = row>>1;
	bit = col + ((row&1)<<3);
	return (0 != (keyboard_register[word] & 1<<bit));
}