Add support for 6502 assembly

components.js

@@ -94,6 +94,10 @@ var components = {
 			"title": "AsciiDoc",
 			"owner": "Golmote"
 		},
+		"asm6502": {
+			"title": "6502 Assembly",
+			"owner": "kzurawel"
+		},
 		"aspnet": {
 			"title": "ASP.NET (C#)",
 			"require": "markup",

components/prism-asm6502.js

@@ -0,0 +1,28 @@
+Prism.languages.asm6502 = {
+	'comment': /;[^\n]*/,
+	'directive': {
+		pattern: /\.\w+ /,
+		alias: 'keyword'
+	},
+	'string': /(["'`])(?:\\.|(?!\1)[^\\\r\n])*\1/,
+	'opcode': {
+		pattern: /\b(adc|and|asl|bcc|bcs|beq|bit|bmi|bne|bpl|brk|bvc|bvs|clc|cld|cli|clv|cmp|cpx|cpy|dec|dex|dey|eor|inc|inx|iny|jmp|jsr|lda|ldx|ldy|lsr|nop|ora|pha|php|pla|plp|rol|ror|rti|rts|sbc|sec|sed|sei|sta|stx|sty|tax|tay|tsx|txa|txs|tya|ADC|AND|ASL|BCC|BCS|BEQ|BIT|BMI|BNE|BPL|BRK|BVC|BVS|CLC|CLD|CLI|CLV|CMP|CPX|CPY|DEC|DEX|DEY|EOR|INC|INX|INY|JMP|JSR|LDA|LDX|LDY|LSR|NOP|ORA|PHA|PHP|PLA|PLP|ROL|ROR|RTI|RTS|SBC|SEC|SED|SEI|STA|STX|STY|TAX|TAY|TSX|TXA|TXS|TYA)\b/,
+		alias: 'property'
+	},
+	'hexnumber': {
+		pattern: /#?\$[\da-fA-F]{2,4}/,
+		alias: 'string'
+	},
+	'binarynumber': {
+		pattern: /#?%[01]+/,
+		alias: 'string'
+	},
+	'decimalnumber': {
+		pattern: /#?[\d]+/,
+		alias: 'string'
+	},
+	'register': {
+		pattern: /\b[xyaXYA]\b/,
+		alias: 'variable'
+	}
+};

plugins/show-language/prism-show-language.js

@@ -11,7 +11,7 @@ if (!Prism.plugins.toolbar) {
 }
 
 // The languages map is built automatically with gulp
-var Languages = /*languages_placeholder[*/{"html":"HTML","xml":"XML","svg":"SVG","mathml":"MathML","css":"CSS","clike":"C-like","javascript":"JavaScript","abap":"ABAP","actionscript":"ActionScript","apacheconf":"Apache Configuration","apl":"APL","applescript":"AppleScript","asciidoc":"AsciiDoc","aspnet":"ASP.NET (C#)","autohotkey":"AutoHotkey","autoit":"AutoIt","basic":"BASIC","csharp":"C#","cpp":"C++","coffeescript":"CoffeeScript","css-extras":"CSS Extras","django":"Django/Jinja2","fsharp":"F#","glsl":"GLSL","graphql":"GraphQL","http":"HTTP","inform7":"Inform 7","json":"JSON","latex":"LaTeX","livescript":"LiveScript","lolcode":"LOLCODE","matlab":"MATLAB","mel":"MEL","n4js":"N4JS","nasm":"NASM","nginx":"nginx","nsis":"NSIS","objectivec":"Objective-C","ocaml":"OCaml","opencl":"OpenCL","parigp":"PARI/GP","php":"PHP","php-extras":"PHP Extras","powershell":"PowerShell","properties":".properties","protobuf":"Protocol Buffers","jsx":"React JSX","renpy":"Ren'py","rest":"reST (reStructuredText)","sas":"SAS","sass":"Sass (Sass)","scss":"Sass (Scss)","sql":"SQL","typescript":"TypeScript","vbnet":"VB.Net","vhdl":"VHDL","vim":"vim","wiki":"Wiki markup","xojo":"Xojo (REALbasic)","yaml":"YAML"}/*]*/;
+var Languages = /*languages_placeholder[*/{"html":"HTML","xml":"XML","svg":"SVG","mathml":"MathML","css":"CSS","clike":"C-like","javascript":"JavaScript","abap":"ABAP","actionscript":"ActionScript","apacheconf":"Apache Configuration","apl":"APL","applescript":"AppleScript","asciidoc":"AsciiDoc","asm6502":"6502 Assembly","aspnet":"ASP.NET (C#)","autohotkey":"AutoHotkey","autoit":"AutoIt","basic":"BASIC","csharp":"C#","cpp":"C++","coffeescript":"CoffeeScript","css-extras":"CSS Extras","django":"Django/Jinja2","fsharp":"F#","glsl":"GLSL","graphql":"GraphQL","http":"HTTP","inform7":"Inform 7","json":"JSON","latex":"LaTeX","livescript":"LiveScript","lolcode":"LOLCODE","matlab":"MATLAB","mel":"MEL","n4js":"N4JS","nasm":"NASM","nginx":"nginx","nsis":"NSIS","objectivec":"Objective-C","ocaml":"OCaml","opencl":"OpenCL","parigp":"PARI/GP","php":"PHP","php-extras":"PHP Extras","powershell":"PowerShell","properties":".properties","protobuf":"Protocol Buffers","jsx":"React JSX","renpy":"Ren'py","rest":"reST (reStructuredText)","sas":"SAS","sass":"Sass (Sass)","scss":"Sass (Scss)","sql":"SQL","typescript":"TypeScript","vbnet":"VB.Net","vhdl":"VHDL","vim":"vim","wiki":"Wiki markup","xojo":"Xojo (REALbasic)","yaml":"YAML"}/*]*/;
 Prism.plugins.toolbar.registerButton('show-language', function(env) {
 	var pre = env.element.parentNode;
 	if (!pre || !/pre/i.test(pre.nodeName)) {