'use strict'

module.exports = asm6502
asm6502.displayName = 'asm6502'
asm6502.aliases = []
function asm6502(Prism) {
  Prism.languages.asm6502 = {
    comment: /;.*/,
    directive: {
      pattern: /\.\w+(?= )/,
      alias: 'property'
    },
    string: /(["'`])(?:\\.|(?!\1)[^\\\r\n])*\1/,
    'op-code': {
      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: 'keyword'
    },
    'hex-number': {
      pattern: /#?\$[\da-f]{1,4}\b/i,
      alias: 'number'
    },
    'binary-number': {
      pattern: /#?%[01]+\b/,
      alias: 'number'
    },
    'decimal-number': {
      pattern: /#?\b\d+\b/,
      alias: 'number'
    },
    register: {
      pattern: /\b[xya]\b/i,
      alias: 'variable'
    },
    punctuation: /[(),:]/
  }
}