From 55ccf1fac7f75965ccc3a14595c255935683305b Mon Sep 17 00:00:00 2001
From: Ry <ryanst755@gmail.com>
Date: Tue, 9 Aug 2022 18:13:49 -0700
Subject: [PATCH] Add vim syntax highlighter

---
 vim-highlighting/README.md          |  1 +
 vim-highlighting/ftdetect/fox32.vim |  1 +
 vim-highlighting/syntax/fox32.vim   | 42 +++++++++++++++++++++++++++++
 3 files changed, 44 insertions(+)
 create mode 100644 vim-highlighting/README.md
 create mode 100644 vim-highlighting/ftdetect/fox32.vim
 create mode 100644 vim-highlighting/syntax/fox32.vim

diff --git a/vim-highlighting/README.md b/vim-highlighting/README.md
new file mode 100644
index 0000000..9da0292
--- /dev/null
+++ b/vim-highlighting/README.md
@@ -0,0 +1 @@
+Copy these folders to your `~/.config/vim` or `~/.config/nvim` folder, then restart vim/nvim. This will automatically enable fox32 syntax highlighting for .asm files.
diff --git a/vim-highlighting/ftdetect/fox32.vim b/vim-highlighting/ftdetect/fox32.vim
new file mode 100644
index 0000000..93d6271
--- /dev/null
+++ b/vim-highlighting/ftdetect/fox32.vim
@@ -0,0 +1 @@
+au BufRead,BufNewFile *.asm set filetype=fox32
diff --git a/vim-highlighting/syntax/fox32.vim b/vim-highlighting/syntax/fox32.vim
new file mode 100644
index 0000000..8bcab07
--- /dev/null
+++ b/vim-highlighting/syntax/fox32.vim
@@ -0,0 +1,42 @@
+" fox32 vim syntax highlighting
+
+if exists("b:current_syntax")
+  finish
+endif
+
+syn match foxIdentifier    /[_A-Za-z0-9]*/
+syn region foxString start=/"/ end=/"/ skip=/\\"/
+syn match foxCharacter     /'\(?\|\\?\)/
+syn match foxDecimalNumber /\$\?-\?\d\+/
+syn match foxBinaryNumber  /\$\?-\?0b[01]\+/
+syn match foxHexNumber     /\$\?-\?0x\x\+/
+
+syn match foxComment ";.*$"
+syn match foxInclude "#.*$"
+
+syn match foxRegisters /\vr(3[01]|[12]?\d|sp)/
+
+syn match foxLabel /[_A-Za-z0-9]*:/
+
+syn keyword foxInstructions nop halt brk reti ret ise icl
+syn keyword foxInstructions inc dec not jmp call loop rjmp rcall rloop push pop int
+syn keyword foxInstructions add sub mul div rem and or xor sla sra srl rol ror bse bcl bts cmp movz mov rta in out
+
+syn keyword foxConditions ifz ifnz ifc ifnc ifgteq ifgt iglteq iflt
+
+syn keyword foxData data
+
+let b:current_syntax = "fox32"
+hi def link foxIdentifier    Identifier
+hi def link foxString        String
+hi def link foxCharacter     Character
+hi def link foxDecimalNumber Number
+hi def link foxBinaryNumber  Number
+hi def link foxHexNumber     Number
+hi def link foxComment       Comment
+hi def link foxInclude       Include
+hi def link foxRegisters     Operator
+hi def link foxLabel         Function
+hi def link foxInstructions  Statement
+hi def link foxConditions    Conditional
+hi def link foxData          Keyword