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jamesacraig/enum_things_demo.py

Last active April 12, 2020 12:02
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enum_things_demo.py
# Table of instructions by opcode - name, addressing mode, cycles, bytes
_instruction_table = {
0x00: ["BRK", AddressingMode.IMPLIED, 7, 1],
0xA9: ["LDA", AddressingMode.I, 2, 2],
0x4C: ["JMP", AddressingMode.ABSOLUTE, 3, 3],
0xEA: ["NOP", AddressingMode.IMPLIED, 2, 1],
}
# Enum of all instruction names.
InstructionName = IntEnum("InstructionName", [(v[0], k) for k, v in _instruction_table.items()])
instr_name = Signal(shape=InstructionName, decoder=InstructionName)
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