v0.4.0

[toya-mimura]

Tag: v0.4.0 Title: v0.4.0 — Alphabet-first keymap with Ctrl shortcuts, JIS support, and context menu

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Streamlined keymap focused on English alphabet input. Removed Japanese kana chords and reorganized the layout for fewer key presses per character.

What's changed from v0.3.0

• Removed Japanese kana input — all hiragana chords (あ行–わ行, ん, dakuten/handakuten/komoji) removed
• Alphabet a–z moved to 2–3 key chords (was 5–8 keys in v0.3.0) — significantly easier to type
• Numbers 0–9 moved to 0x91–0x9A — no more single-key chords that can't be ZMK combos
• Ctrl+A through Ctrl+Z — full modifier shortcuts (select all, copy, paste, undo, save, etc.)
• Context menu key (0x0D) — equivalent to mouse right-click
• JIS keyboard layout support — gen_keymap.py --layout jis generates correct keycodes for Japanese host PCs
• IME toggle — layout-aware (US: Alt+`, JIS: 半角/全角 key)
• Default layer set to &none — prevents accidental single-key output
• F11/F12 moved to 0x9B/0x9C, arrow keys simplified (no more Shift layer)
• Bluetooth 5-host switching retained from v0.3.0

Keymap stats

• ~180 macros across ~200 combos (layers 0–7)
• All chords are 2+ keys (no single-key combo SKIPs)
• Max combos per key: 101 (CONFIG limit: 160)

Assets

File	Description
peaky8bit_left-*.uf2	Firmware for left hand (central) — US layout
peaky8bit_right-*.uf2	Firmware for right hand (peripheral) — US layout
settings_reset-*.uf2	Bond/settings reset (use if pairing issues occur)
keymap_v04.csv	Machine-readable keymap data
gen_keymap.py	Keymap generator script (supports --layout us|jis)
peaky8bit.keymap	Generated ZMK keymap source (US layout)

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アルファベット入力に特化したキーマップへ刷新。かな入力を削除し、a–zを2–3キーchordに移動。Ctrl+ショートカット全26文字、コンテキストメニューキー、JIS配列サポートを追加。

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This discussion was created from the release v0.4.0.