gistfile1.txt

dasm < stmt* eoi
lines <- (stmt )*
stmt <- basicOpcode / specOpcode / preStmt
preStmt <- 
basicOpcode <- opcode expr, expr
specOpcode <- opcode expr
expr <- Arithmetic / Id
Id <- 

.include "file"
.include <file>
.incbin "file"
.incbin <file>

.def name [expr]
.define name [expr]
.equ name expr
.undef name

.dw expr [,expr...]
.dp expr [,expr...]
.fill count[,expr]
.ascii [flags kszxap][<expr>]"string"

.macro name([param [,param...]])
    code
.end
name([param [,param...]])

.rep times
    code
.end

.if expr
    codeTrue
.elif expr
    codeElseTrue
.elseif expr
    codeElseTrue
.else
    codeElse
.end
.ifdef definition
.ifndef definition

isdef(definition)

.align boundary
.org address

.echo message
.error message

:label1 [A-Za-z](([A-Za-z0-9._])*[A-Za-z0-9_])?
_locallabel1: _(([A-Za-z0-9._])*[A-Za-z0-9_])?;colon at the end is preffered

operators
	+ - * / % ! ()
	& ^ | ~ << >>
	== != <> < . <= >= & ^ | && || ^^