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108 lines
2.9 KiB
Markdown
108 lines
2.9 KiB
Markdown
# Orca-Workshop
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## Installation
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### Orca
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There are many implementations of Orca.
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The ones that work for this workshop are:
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* JS/electron: https://github.com/hundredrabbits/Orca
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* ANSI-C: https://github.com/hundredrabbits/Orca-c
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#### Easy setup
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The quickest way to get started on any platform is to just use the 'fancy' electron framework version. I recommend doing that for the workshop, to avoid the "install-party" effect.
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* Binary release: https://hundredrabbits.itch.io/orca
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#### Advanced Setup
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My favourite setup though, is running the ANSI-C version in [Cool-Retro-Term](https://github.com/Swordfish90/cool-retro-term)
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Orca AND Cool-Retro-Term are available in many package manager, have a look in yours. Maybe you are lucky...
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### Pilot
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Orca cant make any sounds, it can only generate MIDI, OSC or UDP output.
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Pilot is a 'companion' program (from hundredrabbits as well) that is a fun little synthesizer and is very easy to use with orca over UDP.
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* Github/Docs: https://github.com/hundredrabbits/Pilot
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* Binary release: https://hundredrabbits.itch.io/pilot
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## Language Quick Overview
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* Esoteric Programming Language
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* 'Frame-Oriented' language
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* 26 operators `A`-`Z`
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* Uppercase operators execute on every frame
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* Lowercase operators execute on a 'Bang'
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* Data is just Base36 numbers '0-9' and 'a-z'
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* I/O: no I just O. MIDI/OSC/UDP
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# Tutorials
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## Tutorial: Bangs and Sounds
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### 1. Bangs
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Operators you learn in this chapter:
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* 'D' - Delay, bang periodically
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*
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### 2. Sounds
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Operators you learn in this chapter:
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* `;` - UDP
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for synthesizing the actual waves we are using 'Pilot', a soft-synth which we control with UDP packets.
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So, the commands we send using the UDP output operator are actually Pilot commands, not orca.
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Pilot commands are 3-5 'bytes' long, where the first 3 are required.
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The format is: `CH` `OCT` `NOTE` [`VOL`] [`DECAY`]
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Where:
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* `CH` - Channels 1-f exist, they all sound different (and they are monophonic)
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* `OCT` - Around 8 octaves should definitely exist
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* `NOTE` - Note names where Upper-case are white keys and Lower-case are Black-keys
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* `VOL` - The Volume 0-z (even though the doc says 0-f, but hey we love clipping dont we?)
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* `DECAY` - The 'length' of the note, 0-f (?)
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Example:
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`;13C` - Pilot plays note 'C' of octave 3 (default volume and length)
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### Putting It All Together
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## Tutorial: Flying East Scope
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### 1. Arithmetic
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Operators you learn in this chapter:
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* `C` - Count (speed / modulo)
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* `I` - Increment (increment / max)
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* `R` - Random (min / max)
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* `A` - Add (operand/operand)
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* `B` - Subtract (operand/operand)
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* `M` - Multiply (operand/operand)
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### 2. Variables
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Operators you learn in this chapter:
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* `V` - Variable r/w single (Write: name / val | Read: - / name)
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* `K` - Kontakt read multiple (Read: count / names)
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### 3. Flying East
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Operators you learn in this chapter:
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* `X` - Write
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* `E` - East
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### Putting It All Together
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