#ifndef _KEY
#define _KEY

int key_down(int basic_keycode);

/***************/
/** Key codes **/
/***************/
#define K_F1    79
#define K_F2    69
#define K_F3    59
#define K_F4    49
#define K_F5    39
#define K_F6    29

#define K_SHIFT 78
#define K_OPTN  68
#define K_VARS  58
#define K_MENU  48
#define K_LEFT  38
#define K_UP    28

#define K_ALPHA 77
#define K_SQR   67
#define K_EXPO  57
#define K_EXIT  47
#define K_DOWN  37
#define K_RIGHT 27

#define K_THETA 76
#define K_LOG   66
#define K_LN    56
#define K_SIN   46
#define K_COS   36
#define K_TAN   26

#define K_FRAC  75
#define K_FD    65
#define K_LPAR  55
#define K_RPAR  45
#define K_COMMA 35
#define K_STORE 25

#define K_7     74
#define K_8     64
#define K_9     54
#define K_DEL   34

#define K_4     73
#define K_5     63
#define K_6     53
#define K_MULT  43
#define K_DIV   33

#define K_1     72
#define K_2     62
#define K_3     52
#define K_PLUS  42
#define K_MINUS 32

#define K_0     71
#define K_DOT   61
#define K_EXP   51
#define K_NEG   41
#define K_EXE   31

#define K_AC    10

#endif //_KEY