Uxn/Varvara Compliant Emulator

Varvara is the specification for devices communicating with the Uxn CPU.

https://100r.co/site/uxn.html https://wiki.xxiivv.com/site/uxn.html https://wiki.xxiivv.com/site/varvara.html

I'm using it as an excuse to brush-up on my C, and get to know Raylib.

https://www.raylib.com/index.html

Varvara Specification Compliance

System Device

Port	Name	Status
00	Unused*	NA
01
02	expansion*	Done
03
04	wst	Done
05	rst	Done
06	metadata*
07
08	red*	Done
09
0a	green*	Done
0b
0c	blue*	Done
0d
0e	debug
0f	state	Done

Console Device

Port	Name	Status
10	vector*	Done
11
12	read	Done
13
14
15
16
17	type	Done
18	write	Done
19	error
1a
1b
1c	addr*
1d
1e	mode
1f	exec

Screen Device

Port	Name	Status
20	vector*	Done
21
22	width*	Done
23
24	height*	Done
25
26	auto	Done
27
28	x*	Done
29
2a	y*	Done
2b
2c	addr*	Done
2d
2e	pixel	Done
2f	sprite	Done

Audio Device

Port	Name	Status
30	vector*
31
32	position*
33
34	output
35
36
37
38	adsr*
39
3a	length*
3b
3c	addr*
3d
3e	volume
3f	pitch

Controller Device

Port	Name	Status
80	vector*	Done
81
82	button	Done
83	key	Done
84
85
86
87
88
89
8a
8b
8c
8d
8e
8f

Mouse Device

Port	Name	Status
90	vector*	Done
91
92	x*	Done
93
94	y*	Done
95
96	state	Done
97
98
99
9a	scrollx*	Done
9b
9c	scrolly*	Done
9d
9e
9f

File Device

Port	Name	Status
a0	vector*
a1
a2	success*	Done
a3
a4	stat*	Done
a5
a6	delete	Done
a7	append	Done
a8	name*	Done
a9
aa	length*	Done
ab
ac	read*	Done
ad
ae	write*	Done
af

Datetime Device

Port	Name	Status
c0	year*
c1
c2	month
c3	day
c4	hour
c5	minute
c6	second
c7	dotw
c8	doty
c9
ca	isdst
cb
cc
cd
ce
cf