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//usr/share/vim/vim74/syntax/z8a.vim

" Vim syntax file
" Language:	Z80 assembler asz80
" Maintainer:	Milan Pikula <www@fornax.elf.stuba.sk>
" Last Change:	2003 May 11

" For version 5.x: Clear all syntax items
" For version 6.x: Quit when a syntax file was already loaded
if version < 600
  syntax clear
elseif exists("b:current_syntax")
  finish
endif

syn case ignore

" Common Z80 Assembly instructions
syn keyword z8aInstruction adc add and bit ccf cp cpd cpdr cpi cpir cpl
syn keyword z8aInstruction daa di djnz ei exx halt im in
syn keyword z8aInstruction ind ini indr inir jp jr ld ldd lddr ldi ldir
syn keyword z8aInstruction neg nop or otdr otir out outd outi
syn keyword z8aInstruction res rl rla rlc rlca rld
syn keyword z8aInstruction rr rra rrc rrca rrd sbc scf set sla sra
syn keyword z8aInstruction srl sub xor
" syn keyword z8aInstruction push pop call ret reti retn inc dec ex rst

" Any other stuff
syn match z8aIdentifier		"[a-z_][a-z0-9_]*"

" Instructions changing stack
syn keyword z8aSpecInst push pop call ret reti retn rst
syn match z8aInstruction "\<inc\>"
syn match z8aInstruction "\<dec\>"
syn match z8aInstruction "\<ex\>"
syn match z8aSpecInst "\<inc\s\+sp\>"me=s+3
syn match z8aSpecInst "\<dec\s\+sp\>"me=s+3
syn match z8aSpecInst "\<ex\s\+(\s*sp\s*)\s*,\s*hl\>"me=s+2

"Labels
syn match z8aLabel		"[a-z_][a-z0-9_]*:"
syn match z8aSpecialLabel	"[a-z_][a-z0-9_]*::"

" PreProcessor commands
syn match z8aPreProc	"\.org"
syn match z8aPreProc	"\.globl"
syn match z8aPreProc	"\.db"
syn match z8aPreProc	"\.dw"
syn match z8aPreProc	"\.ds"
syn match z8aPreProc	"\.byte"
syn match z8aPreProc	"\.word"
syn match z8aPreProc	"\.blkb"
syn match z8aPreProc	"\.blkw"
syn match z8aPreProc	"\.ascii"
syn match z8aPreProc	"\.asciz"
syn match z8aPreProc	"\.module"
syn match z8aPreProc	"\.title"
syn match z8aPreProc	"\.sbttl"
syn match z8aPreProc	"\.even"
syn match z8aPreProc	"\.odd"
syn match z8aPreProc	"\.area"
syn match z8aPreProc	"\.page"
syn match z8aPreProc	"\.setdp"
syn match z8aPreProc	"\.radix"
syn match z8aInclude	"\.include"
syn match z8aPreCondit	"\.if"
syn match z8aPreCondit	"\.else"
syn match z8aPreCondit	"\.endif"

" Common strings
syn match z8aString		"\".*\""
syn match z8aString		"\'.*\'"

" Numbers
syn match z8aNumber		"[0-9]\+"
syn match z8aNumber		"0[xXhH][0-9a-fA-F]\+"
syn match z8aNumber		"0[bB][0-1]*"
syn match z8aNumber		"0[oO\@qQ][0-7]\+"
syn match z8aNumber		"0[dD][0-9]\+"

" Character constant
syn match z8aString		"\#\'."hs=s+1

" Comments
syn match z8aComment		";.*"

syn case match

" Define the default highlighting.
" For version 5.7 and earlier: only when not done already
" For version 5.8 and later: only when an item doesn't have highlighting yet
if version >= 508 || !exists("did_z8a_syntax_inits")
  if version < 508
    let did_z8a_syntax_inits = 1
    command -nargs=+ HiLink hi link <args>
  else
    command -nargs=+ HiLink hi def link <args>
  endif

HiLink z8aSection		Special
  HiLink z8aLabel		Label
  HiLink z8aSpecialLabel	Label
  HiLink z8aComment		Comment
  HiLink z8aInstruction	Statement
  HiLink z8aSpecInst		Statement
  HiLink z8aInclude		Include
  HiLink z8aPreCondit		PreCondit
  HiLink z8aPreProc		PreProc
  HiLink z8aNumber		Number
  HiLink z8aString		String

delcommand HiLink
endif

let b:current_syntax = "z8a"
" vim: ts=8