Kick'N'Vim

Assemble like it's 1985 – but with modern Neovim powers.

Kick'N'Vim is a Neovim plugin that gives you everything you need to write, build, and run KickAssembler projects for the C64 – all from inside Neovim. If you’re tired of VSCode or other heavyweight environments and prefer fast, focused, keyboard-driven workflows, this one’s for you.

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✨ Features

• 🎨 Syntax highlighting for _k.asm files or by using :set filetype=kickass

• 🧠 Buffer-local keymaps for assembling and running code

• 🏃 Integration with VICE to launch compiled .prg files

• 🚀 Complete 6502 assembler man pages included

• 🔧 Fully configurable with sane defaults

• 💥 Commands:

  • :KickAssemble → Assemble current file with KickAssembler
  • :KickRun → Launch compiled PRG in x64

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🛠 Installation (Lazy.nvim)

{
  "IstiCusi/kicknvim",
  ft = "kickass",
  config = function()
    require("kicknvim").setup({
      kickass_path = "/home/phonon/opt/kickassembler/KickAss.jar", -- or "kickass" if using a wrapper
      kickman_man = false,
      x64_path = "/usr/bin/x64", -- path to your VICE binary
      keys = {
        assemble = "<leader>ka",
        run = "<leader>kr",
      },
    })
  end,
}

The plugin will only activate for buffers with filetype=kickass.

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⚙ Configuration Options

Option	Description	Default
kickass_path	Path to KickAss.jar or a wrapper script	"kickass"
x64_path	Path to your VICE emulator binary (x64)	"x64"
keys	Table with assemble and run key mappings	<leader>ka, <leader>kr
kickass_man	Installation or Deinstallation of man pages	false

You can redefine keybindings, use your own emulator, or point to another version of KickAssembler if needed.

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🚀 Usage

1. Open your _k.asm file. Make sure it triggers the filetype kickass.
2. Press <leader>ka to assemble it using KickAssembler.
3. Press <leader>kr to run the output .prg in VICE (x64).
4. Press (typically) K to show the man page for the instruction below the cursor.

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🔎 Requirements

• KickAssembler 5.25 (this version assumed as baseline)
• Java (for running KickAss.jar)
• VICE emulator with x64 in your PATH or specified manually

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🛍 Roadmap

We’re just getting started. Planned features:

• 🧠 C64 memory layout visualization (zero page, heap, ROM/RAM boundaries)
• 🎯 In-editor breakpoints without .break pseudo-op (via integration)
• 🧵 Embedded VICE debugger (bidirectional communication with VICE)
• 🛠 Project templating and helpers for BASIC loaders, IRQ setup, and more
• 💬 Output preview for compiler errors and warnings in a floating window

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🙏 Credits

Huge thanks to:

• Jesper Gravgaard, creator of KickAssembler – one of the most powerful 6510 assemblers ever made.
• The VICE team, for keeping the C64 alive and emulated across decades.

Kick'N'Vim is just a humble bridge between these brilliant tools and the Neovim world.

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👋 For Who?

If you:

• ❤️ Neovim
• 📂 Grew up with (or discovered) the C64
• 💥 Prefer fast, focused tooling over GUIs
• 🧱 Want full control over your assembly workflow

...then this plugin is for you.

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Happy hacking – and remember: real coders JSR $1000 instead of clicking buttons.