collapseos/blk/570
Virgil Dupras 06a4674317 ti84: implement a-lock
There's a bug where the first char after a-lock isn't a-modded. I
have troubles figuring it out for now. It feels like deja vu. I
think I had the same problem with asm.
2020-05-10 09:37:36 -04:00

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: _tbl^ ( swap input tbl )
_atbl = IF _dtbl ELSE _atbl THEN ;
: (key)
0 _2nd! 0 ( lastchr ) BEGIN
_alock@ IF _atbl ELSE _dtbl THEN
OVER 0x80 ( alpha ) =
IF _tbl^ _2nd@ IF _alock^ THEN THEN
SWAP 0x81 = _2nd!
_gti + C@
DUP 0 0x80 >< UNTIL ( loop if not in range )
_wait ;
: KBD$ 0 [ KBD_MEM LITN ] C! ;