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34 lines
770 B
Ruby
34 lines
770 B
Ruby
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module Assembler6502
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####
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## All the regexes used to parse in one module
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module Regexes
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## Mnemonics
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Mnemonic = '([A-Za-z]{3})'
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Branches = '(BPL|BMI|BVC|BVS|BCC|BCS|BNE|BEQ|bpl|bmi|bvc|bvs|bcc|bcs|bne|beq)'
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## Numeric Literals
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Hex8 = '\$([A-Fa-f0-9]{1,2})'
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Hex16 = '\$([A-Fa-f0-9]{3,4})'
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Bin8 = '%([01]{1,8})'
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Bin16 = '%([01]{9,16})'
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Num8 = Regexp.union(Regexp.new(Hex8), Regexp.new(Bin8)).to_s
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Num16 = Regexp.union(Regexp.new(Hex16),Regexp.new(Bin16)).to_s
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Immediate = "\##{Num8}"
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## Symbols, must begin with a letter, and supports dot syntax
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Sym = '([a-zA-Z][a-zA-Z\d_\.]*)'
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## The X or Y register
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XReg = '[Xx]'
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YReg = '[Yy]'
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end
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end
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