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
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
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
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
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
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
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
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
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