From a0e37ee21395753620f1fa00edcfc68b8f005c28 Mon Sep 17 00:00:00 2001
From: "David T. Sadler" <davidtsadler@googlemail.com>
Date: Sat, 1 Aug 2026 21:06:05 +0100
Subject: Add asm lsp and formatter

---
 nvim/.config/nvim/ftplugin/asm.lua                | 26 +++++++++++++++++++++++
 nvim/.config/nvim/lua/config/keymaps.lua          |  2 +-
 nvim/.config/nvim/lua/plugins/conform.lua         |  1 +
 nvim/.config/nvim/lua/plugins/nvim-treesitter.lua |  1 +
 4 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 nvim/.config/nvim/ftplugin/asm.lua

diff --git a/nvim/.config/nvim/ftplugin/asm.lua b/nvim/.config/nvim/ftplugin/asm.lua
new file mode 100644
index 0000000..6fd271e
--- /dev/null
+++ b/nvim/.config/nvim/ftplugin/asm.lua
@@ -0,0 +1,26 @@
+-- https://github.com/grahambates/m68k-lsp
+-- Guard check: Only boot the server if the binary is visible in the current shell.
+if vim.fn.executable("m68k-lsp-server") == 1 then
+	vim.lsp.start({
+		name = "m68k-lsp",
+		cmd = { "m68k-lsp-server", "--stdio" },
+		root_dir = vim.fs.dirname(vim.fs.find({ ".git", "shell.nix" }, { upward = true })[1]),
+		init_options = {
+			processors = { "mc68000" },
+			vasm = {
+				provideDiagnostics = true,
+				binPath = "vasmm68k_mot",
+				args = { "-devpac", "-Fhunk" },
+			},
+		},
+	})
+else
+	vim.diagnostic.set(vim.api.nvim_create_namespace("m68k_notice"), vim.api.nvim_get_current_buf(), {
+		{
+			lnum = 0,
+			col = 0,
+			severity = vim.diagnostic.severity.WARN,
+			message = "Amiga Assembler detected, but m68k-lsp-server was not found. Did you forget to enter the nix-shell?",
+		},
+	})
+end
diff --git a/nvim/.config/nvim/lua/config/keymaps.lua b/nvim/.config/nvim/lua/config/keymaps.lua
index a9bf961..f4e1706 100644
--- a/nvim/.config/nvim/lua/config/keymaps.lua
+++ b/nvim/.config/nvim/lua/config/keymaps.lua
@@ -247,7 +247,7 @@ end, { desc = "Quickfix List" })
 
 -- Language Formatting and Linting.
 set("n", "<leader>lf", function()
-	require("conform").format({ bufnr = 0 })
+	require("conform").format({ bufnr = 0, lsp_format = "fallback" })
 end, { desc = "Format File" })
 set("n", "<leader>ll", function()
 	require("lint").try_lint()
diff --git a/nvim/.config/nvim/lua/plugins/conform.lua b/nvim/.config/nvim/lua/plugins/conform.lua
index 94bdb06..dec12cc 100644
--- a/nvim/.config/nvim/lua/plugins/conform.lua
+++ b/nvim/.config/nvim/lua/plugins/conform.lua
@@ -12,6 +12,7 @@ require("conform").setup({
 		typescript = { "biome", "prettier", stop_after_first = true },
 		javascriptreact = { "biome", "prettier", stop_after_first = true },
 		typescriptreact = { "biome", "prettier", stop_after_first = true },
+		asm = { "lsp" },
 	},
 	formatters = {
 		php_cs_fixer = {
diff --git a/nvim/.config/nvim/lua/plugins/nvim-treesitter.lua b/nvim/.config/nvim/lua/plugins/nvim-treesitter.lua
index e646c1b..8a1a474 100644
--- a/nvim/.config/nvim/lua/plugins/nvim-treesitter.lua
+++ b/nvim/.config/nvim/lua/plugins/nvim-treesitter.lua
@@ -1,6 +1,7 @@
 vim.pack.add({ "https://github.com/nvim-treesitter/nvim-treesitter" })
 
 require("nvim-treesitter").install({
+	"asm",
 	"bash",
 	"git_config",
 	"git_rebase",
-- 
cgit v1.2.3-13-gbd6f