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The Firmware Hub · FM-1 · SPELLBOX

SPELLBOX for the M-VAVE FM-1

SPELLBOX0.3 · beta

by Philippe Jaccoud GitHub ↗

synthbeta

SPELLBOX turns the FM-1 into a talking spelling toy after the 1978 Speak & Spell: an 8-character fluorescent display, a 10-pole LPC voice at 8 kHz through an 8-bit DAC, and the SPELL, LETTER, SAY IT, SECRET CODE and MYSTERY WORD games over four levels, with the keys as an A-to-Z keyboard. SPEAK…

Text by the maker.

About it

Engines
Voice & speech
Its own: LPC speech chip
Runs on
FM-1 · Browser ↗
Release
0.3 · released 28 Oct 2026 · on the hub since 29 Oct 2026596 KB · what's new ↗
Licence
GPL-3.0 · source ↗ · copy on the hub
Flash chip
The first FM-1s onlyOn a newer FM-1 (flash 0xB36014) this version keeps your saves in RAM only, and updates from it may fail: what to do
Identity
FM-1_573what it reports over USB while it runs
Build
Built by its maker, not signed
Popular
↓ 47 installs via the hub · ★ 2 on GitHub

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