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# Pico
[Not much is known](http://wiki.xxiivv.com/Pico) about the machine, but it seems to be reacting to our presence.
<img src='https://raw.githubusercontent.com/hundredrabbits/Pico/master/PREVIEW.jpg' width="600"/>
## Functions
### alpha functions
- `A`, **add**(math): Creates the result of the addition of east and west fns, southward.
- `E`, **east**(direction): Moves eastward, or bangs.
- `F`, **if**(math): Bangs if east and west fns are equal, southward.
- `G`, **generator**(transport): Generates a direction fn from bang.
- `H`, **halt**(stopper): Stops southward fn from operating.
- `I`, **increment**(trigger): Increments southward numeric fn on bang.
- `K`, **kill**(trigger): Kills southward fns, on bang.
- `L`, **loop**(list): Loop a number of characters ahead.
- `M`, **modulo**(math): Creates the result of the modulo operation of east and west fns, southward.
- `N`, **north**(direction): Moves Northward, or bangs.
- `P`, **push**(direction): Moves away, on bang.
- `R`, **raycast**(transport): Sends a bang to the nearest fn following the direction of the bang.
- `S`, **south**(direction): Moves southward, or bangs.
- `W`, **west**(direction): Moves westward, or bangs.
- `Y`, **type**(math): Compares the type(num/alpha/special) of westward and eastward fns, and return 1 or 0 southward.
### special functions
- `-`, **wire-h**(wire): Send data along the wire, horizontally.
- `|`, **wire-v**(wire): Send data along the wire, vertically.
- `~`, **wire-n**(wire): Send data along the wire, entry or exit.
- `+`, **wire-f**(wire): Send data along the wire, across an intersection.
### queries functions
- `BPM`, **bpm**(midi): Sets the speed for the Pico terminal.
- `VOL`, **volume**(midi): Sets the volume for the Pico terminal.
- `QQQ`, **qqq**(midi): Plays note, on channel, with octave.
### Functions(By Type)
- **maths**: `a` `f` `m` `y`.
- **directions**: `e` `n` `p` `s` `w`.
- **transports**: `g` `r`.
- **stoppers**: `h`.
- **triggers**: `i` `k`.
- **lists**: `l`.
- **wires**: `-` `|` `*` `-`.
## CLI
```
node cli # New file
node cli examples/benchmark.pico # Load example
```
## Install
```
cd desktop
npm install
npm start
```
## Notes
- `0x92 & 0xf0 = 144`, Ch3 noteOn
- `0x80 & 0xf0 = 128`, Ch1 noteOff
```
function frequencyFromNoteNumber(note) {
return 440 * Math.pow(2, (note - 69) / 12);
}
```
- Note values are on a range from 0–127, lowest to highest. For example, the lowest note on an 88-key piano has a value of 21, and the highest note is 108. A “middle C” is 60.
- Velocity values are also given on a range from 0–127 (softest to loudest). The softest possible “note on” velocity is 1.
## TODO
The idea is to build a synth/mini sequencer, here's some tasks I need to tackle before then.
- [ ] Add `:MID[CD]`
- [ ] custom synth functions, like `:SYN[ADSR](C)`
- [ ] sub programs scope
- [ ] Implement midi
- [ ] Finish midi channel implementation
- [ ] Convert notes to midi values
- [ ] Implement a block comment syntax
- [ ] Fix M
## Extras
- This application supports the [Ecosystem Theme](https://github.com/hundredrabbits/Themes).
- Support this project through [Patreon](https://patreon.com/100).
- See the [License](LICENSE.md) file for license rights and limitations (MIT).
- Pull Requests are welcome!
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