Serial console for the TI 84 Plus CE
When running, sets USB port be seen as a USB-Serial adapter by a host device.
on Linux systems running systemd, run
# systemctl start serial-getty@ttyUSB0.service
to start a terminal through the emulated serial port on the calc.

Planned features

40 column terminal (display output functional, no keyboard yet) 30 rows, top 2 and bottom 2 rows being used for status bars with black on white text (done, lacking statusbar content)

example UI:

+----------------------------------------+
| Window Title                           |
|                                        |
| ... actual console area ...            |
|                                        |
| 01, 17                                 |
+----------------------------------------+

for colours, or together colour bits from 4 bit rgbi input: (setting color not properly implemented yet)

RRRBBGGG Hex Name
10100000 A0  Red
00000101 05  Green
00010000 10  Blue
01001010 4A  Intensity

Keyboard: (not implemented yet)
(top: key label, left: shift state)
(bottom: I forgot, if I don't figure it out I'll edit this to remove that row -Superbee)

	f1	f2	f3	f4	f5
0
^
A
a
	14	13	12	11	10

	2nd	mode	del	left	up
0			del
^		^C	ins
A
a
	15	16	17	71	73

	alpha	XT0n	stat	down	right
0
^
A		/
a
	27	37	47	70	72

	math	apps	prgm	vars	clear
0
^
A	A	B	C
a	a	b	c
	26	36	46	56	66

	x^-1	sin	cos	tan	^
0					^
^					pi
A	D	E	F	G	H
a	d	e	f	g	h
	25	35	45	55	65

	x^2	,	(	)	/
0		,	(	)	/
^			{	}
A	I	J	K	L	M
a	i	j	k	l	m
	24	34	44	54	64

	log	7	8	9	*
0		7	8	9	*
^		&	*		[
A	N	O	P	Q	R
a	n	o	p	q	r
	23	33	43	53	63

	ln	4	5	6	-
0		4	5	6	-
^		$	%	^	]
A	S	T	U	V	W
a	s	t	u	v	w
	22	32	42	52	62

	sto->	1	2	3	+
0		1	2	3	+
^		!	@	#
A	X	Y	Z	theta	"
a	x	y	z
	21	31	41	51	61

	0	.	(-)	enter
0	0	.
^	~	<	>
a	space	;	?
A	space	:	!
	30	40	50	60