40 lines
860 B
Python
40 lines
860 B
Python
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import json
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address_mode_table = {
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'Implied': 'AM_ACC',
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'Immediate': 'AM_IMM',
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'Zero Page': 'AM_ZP',
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'Zero Page, X': 'AM_ZP_X',
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'Zero Page, Y': 'AM_ZP_Y',
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'Absolute': 'AM_ABS',
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'Absolute, X': 'AM_ABS_X',
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'Absolute, Y': 'AM_ABS_Y',
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'Indirect': 'AM_IND',
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'(Indirect)': 'AM_IND',
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'(Indirect, X)': 'AM_IND_X',
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'(Indirect), Y': 'AM_IND_Y',
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}
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# https://github.com/ericTheEchidna/65C02-JSON/
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j = json.load(open('opcodes_65c02.json', 'r'))
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#print(j)
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for i in j:
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#print(i)
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instruction = str.lower(i["instruction"])
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for op in i["opcodes"]:
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address_mode = i["opcodes"][op]["address_mode"]
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if "Bit " in address_mode:
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am = 'AM_REL'
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else:
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am = address_mode_table[address_mode]
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bytes = i["opcodes"][op]["bytes"]
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cycles = i["opcodes"][op]["cycles"]
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print(f'''case {op}:
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{instruction}(opcode_arg({am}));
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cycles += {cycles};
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break;''')
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