from collections import defaultdict
from dataclasses import dataclass, field
from typing import Dict

from gbso.cpu.regs import R8


@dataclass
class CPUState:
    carry: int = 0
    sp: int = 0
    reg8: Dict[R8, int] = field(default_factory=lambda: defaultdict(lambda: 0))
    memory: Dict[int, int] = field(default_factory=lambda: defaultdict(lambda: 0))

    def copy(self) -> "CPUState":
        return CPUState(
            carry=self.carry,
            sp=self.sp,
            reg8=self.reg8.copy(),
            memory=self.memory.copy(),
        )