draft: false
Name: Alloy
short-description: Fixed-point 15-zone cross-modulator with a clocked Turing CV and gate companion.
Language: C++ (Pico SDK + ComputerCard)
Creator: Eric Gao
Version: 0.2.0
Status: Beta
License: MIT
date-created: 2026-07-08
date-updated: 2026-07-13
Repository: https://github.com/Ericxgao/Workshop_Computer/tree/eric/warps-port/releases/97_alloy

tags:
  - dsp
  - modulation
  - ring-modulator
  - wavefolder
  - vocoder
  - turing-machine

summary: >
  Two audio inputs fused through 15 crossfaded cross-modulation algorithms -
  ring mods, wavefolder, comparators, bitcrusher, frequency shifter, delay,
  binaural doppler, and a 20-band vocoder - with a clocked Turing machine
  driving pitch, CV, and gates underneath.

panel:
  inputs:
    - id: AudioIn1
      name: Carrier
      description: External carrier input
    - id: AudioIn2
      name: Modulator
      description: Modulator input
    - id: CVIn1
      name: Algorithm CV
      description: Bipolar modulation added to the held Main value
    - id: CVIn2
      name: Timbre CV
      description: Bipolar modulation added to the held X value
    - id: PulseIn1
      name: Clock
      description: External Turing clock; overrides the internal clock
    - id: PulseIn2
      name: Reset
      description: Turing reset on rising edge
  outputs:
    - id: AudioOut1
      name: Main
      description: Cross-modulated output
    - id: AudioOut2
      name: Aux / Right
      description: Dry sum; doppler right channel, shifter opposite sideband, or bitcrushed dry mix in those zones
    - id: CVOut1
      name: Turing Pitch
      description: C-minor-pentatonic quantized pitch
    - id: CVOut2
      name: Turing CV
      description: Bipolar stepped modulation
    - id: PulseOut1
      name: Turing Gate A
      description: First register bit gate
    - id: PulseOut2
      name: Turing Gate B
      description: Length-aware second register bit gate

controls:
  knobs:
    - main:
        name: Algorithm / Probability
        description: Algorithm in middle; Turing feedback probability up
      x:
        name: Timbre / Length
        description: Timbre in middle; Turing loop length up
      y:
        name: Drive / Zone Param / Spread
        description: Input drive in middle (sideband crossfade, bitcrush operator, or doppler depth in those zones); Turing CV spread up
  leds:
    - items:
        - id: LED0-3
          name: Algorithm / Register
          description: Algorithm binary display in middle; register bits up
        - id: LED4
          name: Overrun / Register
          description: Latched CPU overrun in middle; register bit up
        - id: LED5
          name: Headroom / Register
          description: CPU headroom in middle; register bit up