import util

type Keymap is
	byte K_ESCAPE
	byte K_BACKSPACE
	byte K_F1
	byte K_F2

	function() Keymap::init -> Keymap does
		Keymap k=malloc(@sizeof(Keymap)@)|Keymap
		k.K_ESCAPE=27|byte
		k.K_F1=17|byte
		k.K_F2=18|byte
	return k

	function(Keymap map, int keycode, bool shifted) Keymap:translate_keycode -> byte does
		int v="?":ord()
		if keycode==1 do
			v=27
		elif (keycode>1)&(keycode<14) do
			if shifted do
				v="!@#$%^&*()_+":idxi(keycode-2)
			else do
				v="1234567890-=":idxi(keycode-2)
			done
		elif keycode==15 do
			v=9
		elif (keycode>15)&(keycode<29) do
			if shifted do
				v="QWERTYUIOP{}|\n":idxi(keycode-16)
			else do
				v="qwertyuiop[]\n":idxi(keycode-16)
			done
		#CONTROL GOES HERE
		elif (keycode>29)&(keycode<42) do
			if shifted do
				v="ASDFGHJKL:\x22~":idxi(keycode-30)
			else do
				v="asdfghjkl;'`":idxi(keycode-30)
			done
		#LSHIFT GOES HERE
		elif (keycode>42)&(keycode<54) do
			if shifted do
				v="|ZXCVBNM<>?":idxi(keycode-43)
			else do
				v="\\zxcvbnm,./":idxi(keycode-43)
			done
		#RSHIFT GOES HERE
		elif keycode==55 do
			v="*":ord()
		elif keycode==57 do
			v=" ":ord()
		elif keycode==59 do
			v=map.K_F1|int
		elif keycode==60 do
			v=map.K_F2|int
		done
	return v|byte

	function(Keymap m, KeyboardState s) Keymap:is_shifted -> bool does
	return (s.button_state_map[42]+s.button_state_map[54])!=0|byte
endtype

Keymap keymap

function() init_keymap -> void does
	keymap=Keymap::init()
return

function(int keycode, bool shifted) translate_keycode -> byte does
return keymap:translate_keycode(keycode, shifted)

<#unsigned char keyboard_map[128] =
{
0,  27, '1', '2', '3', '4', '5', '6', '7', '8', /* 9 */
'9', '0', '-', '=', '\b', /* Backspace */
'\t',     /* Tab */
'q', 'w', 'e', 'r', /* 19 */
't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n', /* Enter key */
	0,      /* 29   - Control */
'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', /* 39 */
'\'', '`',   0,    /* Left shift */
'\\', 'z', 'x', 'c', 'v', 'b', 'n',      /* 49 */
'm', ',', '.', '/',   0,        /* Right shift */
'*',
0,  /* Alt */
' ',  /* Space bar */
0,  /* Caps lock */
0,  /* 59 - F1 key ... > */
0,   0,   0,   0,   0,   0,   0,   0,
0,  /* < ... F10 */
0,  /* 69 - Num lock*/
0,  /* Scroll Lock */
0,  /* Home key */
0,  /* Up Arrow */
0,  /* Page Up */
'-',
0,  /* Left Arrow */
0,
0,  /* Right Arrow */
'+',
0,  /* 79 - End key*/
0,  /* Down Arrow */
0,  /* Page Down */
0,  /* Insert Key */
0,  /* Delete Key */
0,   0,   0,
0,  /* F11 Key */
0,  /* F12 Key */
0,  /* All other keys are undefined */
};#> #Ref. from osdev wiki