Prism.languages.nasm = {
	'comment': /;.*$/m,
	'string': /(["'`])(?:\\.|(?!\1)[^\\\r\n])*\1/,
	'label': {
		pattern: /(^\s*)[A-Za-z._?$][\w.?$@~#]*:/m,
		lookbehind: true,
		alias: 'function'
	},
	'keyword': [
		/\[?BITS (?:16|32|64)\]?/,
		{
			pattern: /(^\s*)section\s*[a-z.]+:?/im,
			lookbehind: true
		},
		/(?:extern|global)[^;\r\n]*/i,
		/(?:CPU|DEFAULT|FLOAT).*$/m
	],
	'register': {
		pattern: /\b(?:st\d|[xyz]mm\d\d?|[cdt]r\d|r\d\d?[bwd]?|[er]?[abcd]x|[abcd][hl]|[er]?(?:bp|di|si|sp)|[cdefgs]s)\b/i,
		alias: 'variable'
	},
	'number': /(?:\b|(?=\$))(?:0[hx](?:\.[\da-f]+|[\da-f]+(?:\.[\da-f]+)?)(?:p[+-]?\d+)?|\d[\da-f]+[hx]|\$\d[\da-f]*|0[oq][0-7]+|[0-7]+[oq]|0[by][01]+|[01]+[by]|0[dt]\d+|(?:\d+(?:\.\d+)?|\.\d+)(?:\.?e[+-]?\d+)?[dt]?)\b/i,
	'operator': /[\[\]*+\-\/%<>=&|$!]/
};