2xaa/genmdm-editor

A web-based interface for genMDM, a MIDI controller for the Sega Mega Drive and Genesis. Also supports Mega Drive MIDI Interface.

:)

genmdm-editor's Issues

[MIDI] Sync CC state button

It would be handy to sync the whole CC state held by the editor to the genMDM at any time.

This would be useful in the case of an accidental power outage or disconnect of the genMDM.

[UI] Mobile

The app is unusable on mobile.
Low priority, but would be neat to fix.

[UX] Links in about dialog don't open in the browser

The title.

.genm file export

Add the ability to export .genm files

[UI] Usage on smaller screens isn't possible without zooming out

The application should be responsive to screen size.
This would most likely require a new layout designed.

[UI] Text in about section in dark mode isn't readable

The title.

[MIDI] Program change with polyphony

If polyphony is enabled, program change currently affects all FM channels which is undesirable.

Two things should happen:

1. Program changes, if within the polyphony channels, should affect the polyphony channels
2. An option to toggle program change affecting all poly channels and just one FM channel should exist, to allow more granular control

ASDR Display's attack is too large

You can't see the other parameters if the attack is even mid-way.

[UI] Dials have two "0" notches

The first two notches on the dials are both zero and the notch marks are visually asymmetric.

[UI] Editing parameters with polyphony

Editing parameters with polyphony currently affects all FM channels.

Two changes need to be made:

1. Only update polyphony channels when polyphony is enabled
2. Add an option to edit all polyphony channel parameters or only the current channel

Polyphony Updates

Separate options to select what is reactionary to polyphony

• Notes
• Parameters across channels

Polyphonic channel split

• All channels | 1-6
  • revisit option for how many channels are used for polyphony
• 1/2 split, three notes for each split channel | 1-3, 3-6
• 1/3 split, two notes for each split channel | 1-2, 3-4, 5-6
  • e.g. notes played on MIDI channels 1 or 2 would be split between FM channels 1 and 2, etc.

Additional polyphony mode

• Eager (current implementation)
• Relaxed (use data known about the release rate to keep notes on for their release duration)

DMP Import/Export

Would be cool to have DMP import and export too.
https://deflemask.com/DMP_SPECS.txt

[UI] Canvas elements don't redraw on system colorscheme changes

Use this to fix:

window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', e => {
    const newColorScheme = e.matches ? "dark" : "light";
});

About dialog

Add an "about" dialog to explain the project

Midi glitches when playing notes and turning knobs at the same time

Describe the bug
Using the genesis midi interface I found that I cannot play notes and turn knobs at the same time. My guess is that the knobs are sending too many cc messages and flooding the serial connection. This bug is more noticeable in poly mode.

To Reproduce
Steps to reproduce the behavior:

1. use the genesis midi interface, with a serial to usb midi connection. (baud rate is 4800)
2. connect a midi keyboard and play something
3. turn the knobs while the notes are playing
4. the notes should start glitching, like slowing down or not playing at all

Expected behavior
we should be able to do both things at the same time

Additional context
I made this issue so I can link it to my pull request with a fix

[UI] Type in values alongside draggable selection

It is always hard to set values and one needs to be really precise with his mouse to do so.

So maybe alongside the dragging mechanics, it would be nice to have the values typed in by keyboard.

[UI] Add option to override dark/light mode

The interface is currently bound by the system theme, which is not always desirable.
A toggle to switch themes would be useful.

RAM Load/Write doesn't work

Loading from the genMDM RAM seems not to work.
Stock instruments load instead of saved.

[MIDI] Add Program Change listener to select genm patches

A program change from the selected MIDI input should select a saved patch from the current list of patches.

[MDMI] Compatibility with rhargreaves/mega-drive-midi-interface

The editor works great, apart form all Total Level values are inverted.
I'm hoping to add a SysEx genMDM compatibility message to https://github.com/rhargreaves/mega-drive-midi-interface/, if not we'll support inverting the values in the editor instead.

Track the issue here: rhargreaves/mega-drive-midi-interface#26

Allow app to function offline

https://www.youtube.com/watch?v=btzQHaF8cU4&lc=UgzreRbSr9ChF-eLoSB4AaABAg

Maybe a PWA is good enough?
Potentially Electron.

Custom wave editor

Add component and support for custom waves

Pitch Bend Range default

The pitch bend range default should be set to 3.

Font doesn't load on github.io

The title.

[CI] Switch from Travis to GitHub actions

https://github.com/vcync/modV/tree/next/.github/workflows

Writing to patch list writes to n-1 index

Writing to the editor's patch list seems to write to an n-1 index, but 0 writes correctly.

[UX] Editor state recall/new file format

A file format to store all current parameters of the genMDM, for quick settings reload.
If you need pitchbend or to set region each time you turn on the genMDM, setting this with MIDI in your song is a pain.

Running the editor and having local state and the ability to load a new state quickly would be useful.

[UX] Auto-updater

Add the auto updater for Electron Builder https://www.electron.build/auto-update.html

Hair-pulling might be avoided if modV's auto updater commit is followed as a guide:
vcync/modV@991153e

[MIDI] CC assignment "sets"

Most MIDI devices don't have enough parameters to control all the dials across all channels at once.

Instead of leaving it up to the device to implement a way of switching CC values, we could allow CC combinations or other CC commands to switch to sets of assigned CC controls.

For example, the OP-1 has four rotary encoders, all assigned to CCs on rotation and on press.

To create a "set", you assign the four encoders to parameters such as Total Level, Multiple, First Decay Rate and Release Rate on OP1 and then assign a button to switch sets, which could be now assigned to OP2, or OP3, etc.

You may also want a button to temporarily activate a set when pressed and return to the previous set when released, for channel navigation, as an example.

Some sort of highlight on assigned parameters may also be useful.

ADSR and Dials don't update when switching channels

The title.

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