SID-1

• SID-1 runs two MOS SID chips for six voices, three on each, with the 6581 or 8580 to choose from.
• Patches work like C64 instruments: envelope and waveform, wavetable, pulse width and filter sweeps, vibrato and hard restart.
• Each chip has one filter for its three voices, and filtered patches get a chip each where they can.
• You play from the FM-1's keys and knobs, with ALGORITHM changing the waveform, filter mode or a wavetable step.
• Nine knob pages edit the sound on the device, and SAVE keeps the patch in its slot.
• A library of 128 patches sits in 4 banks of 32 in flash, stepped through with PRESETS.
• Single, Layer, Split and Voices decide whether one patch plays, patches stack, or each channel gets its own.
• Drop a C64 tune on the companion web page to pull out its instruments and sampled drums, then play the song on the FM-1.

Its modes

HOME

See the waveform, the filter and the main knobs for the current patch.

ENV

Set attack, decay, sustain and release, drawn on screen.

EDIT

Set transpose, fine tune, filter, sync, ring modulation and hard restart.

FX

Shape the pulse width sweep and the filter sweep.

LFO

Set the delayed vibrato.

ARP

Build the wavetable's steps and choose where it loops.

GLO

Pick the chip model, 2x oversampling, the part and the mode.

Library

Import a tune, tick its patches, pick a bank and slot and send them.

Editor

Pick a patch, change it, hear it on the FM-1 and save it to its slot.

Setup

Choose Single, Layer, Split or Voices, each part's patch and channel, and which part the keys play.