: PS2_SHIFT [ PS2_MEM LITN ] ;
: PS2$ 0 PS2_SHIFT C! ;

( A list of the values associated with the 0x80 possible scan
codes of the set 2 of the PS/2 keyboard specs. 0 means no
value. That value is a character that can be read in (key)
No make code in the PS/2 set 2 reaches 0x80. )
CREATE PS2_CODES
( 00 ) 0 C, 0 C, 0 C, 0 C, 0 C, 0 C, 0 C, 0 C,
( 08 ) 0 C, 0 C, 0 C, 0 C, 0 C, 9 C, '`' C, 0 C,
( 10 ) 0 C, 0 C, 0 C, 0 C, 0 C, 'q' C, '1' C, 0 C,
( I don't know why, but the key 2 is sent as 0x1f by 2 of my
  keyboards. Is it a timing problem on the ATtiny? TODO )
( 18 ) 0 C, 0 C, 'z' C, 's' C, 'a' C, 'w' C, '2' C, '2' C,
( 20 ) 0 C, 'c' C, 'x' C, 'd' C, 'e' C, '4' C, '3' C, 0 C,
( 28 ) 0 C, 32 C, 'v' C, 'f' C, 't' C, 'r' C, '5' C, 0 C,