1from _pylib import ffi, lib
 2
 3class _ARMRegisters:
 4    def __init__(self, cpu):
 5        self._cpu = cpu
 6
 7    def __getitem__(self, r):
 8        if r > lib.ARM_PC:
 9            raise IndexError("Register out of range")
10        return self._cpu._native.gprs[r]
11
12    def __setitem__(self, r, value):
13        if r >= lib.ARM_PC:
14            raise IndexError("Register out of range")
15        self._cpu._native.gprs[r] = value
16
17class ARMCore:
18    def __init__(self, native):
19        self._native = ffi.cast("struct ARMCore*", native)
20        self.gprs = _ARMRegisters(self)
21        self.cpsr = self._native.cpsr
22        self.spsr = self._native.spsr
23