34 lines
671 B
Python
34 lines
671 B
Python
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class Autoinserter(object):
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def __init__(self):
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self.mayor = 2
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self.minor = 1
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def __next__(self):
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"""Generate the next opcode"""
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# 10bit opcode
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opcode = 0b1111111111
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# Calculate this opcode.
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opcode *= self.minor
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opcode //= self.mayor
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# The lower 6 bits are reserved.
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opcode <<= 6
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# 16 bits in total. Should not matter.
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opcode &= 0xffff
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# Update the state.
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self.minor = (self.minor + 2) % self.mayor
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if(self.minor == 1):
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self.mayor *= 2
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return opcode
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def __iter__(self):
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return self
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def make_opcodes(mnemonics_in_order):
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ai = Autoinserter()
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return {mnemonic: opcode for (mnemonic, opcode) in zip(mnemonics_in_order, ai)}
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