Skip to content

Tone+FX 4.0c

Latest
Latest

Choose a tag to compare

View all tags
@DigiAlchemydsp DigiAlchemydsp released this 20 Oct 19:51
· 2 commits to master since this release
v4.0c
0337ab3

Tone+FX 4.0c — permanent PITCH → DELAYS → STEREO chain + WASH CPU

A performance release on the 4.0 line. The master chain order is now
permanent, and the WASH macro is cheaper. Four OS files, two hosts:
Digitone mk1 / Keys (OS 1.43, 1.44) and, through gdeo607's port, the
Digitakt mk1 (OS 1.53, 1.54).

Install

Each file is the whole suite for one OS; none includes the core.

file device OS required core
tonefx-4.0c.elemod Digitone mk1 / Keys 1.43 core-dn1-4.0.elemod
tonefx-4.0c-os1.44.elemod Digitone mk1 / Keys 1.44 core-dn1-4.0-os1.44.elemod
tonefx-4.0c-dt.elemod Digitakt mk1 1.53 core-4.0.elemod
tonefx-4.0c-dt-os1.54.elemod Digitakt mk1 1.54 core-4.0-os1.54.elemod

Install the matching core (elekloader provides it), tick the core and tonefx,
set the OS version tag and BUILD FIRMWARE; flash with Transfer. Or use
tools/build.ps1 / tools/build.sh. No firmware is included.

New in 4.0c

Permanent chain order

ring → EQ → crush → fold → PITCH → DELAYS (WRMZ/GRAINZ) → STEREO → ceiling → meter
  50    55     57      60      61            62               63       64       65

The WAVE insert is split into two permanent passes
(digiwave_pitch_render_out / digiwave_stereo_render_out) with the delay
between them, so the DELAYS module is always after PITCH and before
STEREO — not conditional on the active page. Only the group selected by the
current page runs; the other pass costs a single branch.

WASH CPU

While WASH is on it now:

  • forces the WRMZ to a static read (MOD = 0), so no interpolation;
  • skips the DC blocker (the feedback saturator still bounds the loop), with
    the DC state reset on enter/leave to avoid a transient;
  • the L/R wet mix uses bx_mul15x2 (two eMAC MACs back to back) in WOB and
    WRMZ/GRAINZ.

The DC-skip and MOD = 0 are scoped by the per-engine macro capture/restore,
so turning WASH off restores the delay exactly as it was.

Upgrading

  • Digitone: the 4.0b per-pattern store (MIDI track 4 at pattern+0x1BB0,
    "DGX4", CH 16) is unchanged. Reserve MIDI track 4 on channel 16.
  • Digitakt: the mod-owned RAM table is unchanged.

Verified

  • Build/lint/patch: all four link as core 4.0 > tonefx 4.0c, imports nothing,
    patch byte-exact against each stock file.
  • Emulator: the DN chain resolves 61/62/63 (pitch, delay, stereo); the macro
    values and the per-engine capture/restore were checked in 4.0b, and the
    DC-skip/MOD=0 path compiles and links in the same handlers.

See docs/PATTERN-STORAGE.md and CHANGELOG.md in the repository.

Assets 7
Loading